mirror of
https://git.postgresql.org/git/postgresql.git
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2735 lines
62 KiB
C
2735 lines
62 KiB
C
/*
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* pgbench.c
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*
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* A simple benchmark program for PostgreSQL
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* Originally written by Tatsuo Ishii and enhanced by many contributors.
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*
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* contrib/pgbench/pgbench.c
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* Copyright (c) 2000-2011, PostgreSQL Global Development Group
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* ALL RIGHTS RESERVED;
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose, without fee, and without a written agreement
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* is hereby granted, provided that the above copyright notice and this
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* paragraph and the following two paragraphs appear in all copies.
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*
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* IN NO EVENT SHALL THE AUTHOR OR DISTRIBUTORS BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
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* LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
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* DOCUMENTATION, EVEN IF THE AUTHOR OR DISTRIBUTORS HAVE BEEN ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* THE AUTHOR AND DISTRIBUTORS SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE AUTHOR AND DISTRIBUTORS HAS NO OBLIGATIONS TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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*/
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#ifdef WIN32
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#define FD_SETSIZE 1024 /* set before winsock2.h is included */
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#endif /* ! WIN32 */
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#include "postgres_fe.h"
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#include "getopt_long.h"
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#include "libpq-fe.h"
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#include "libpq/pqsignal.h"
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#include "portability/instr_time.h"
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#include <ctype.h>
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#ifndef WIN32
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#include <sys/time.h>
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#include <unistd.h>
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#endif /* ! WIN32 */
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h> /* for getrlimit */
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#endif
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#ifndef INT64_MAX
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#define INT64_MAX INT64CONST(0x7FFFFFFFFFFFFFFF)
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#endif
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/*
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* Multi-platform pthread implementations
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*/
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#ifdef WIN32
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/* Use native win32 threads on Windows */
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typedef struct win32_pthread *pthread_t;
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typedef int pthread_attr_t;
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static int pthread_create(pthread_t *thread, pthread_attr_t * attr, void *(*start_routine) (void *), void *arg);
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static int pthread_join(pthread_t th, void **thread_return);
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#elif defined(ENABLE_THREAD_SAFETY)
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/* Use platform-dependent pthread capability */
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#include <pthread.h>
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#else
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/* Use emulation with fork. Rename pthread identifiers to avoid conflicts */
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#include <sys/wait.h>
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#define pthread_t pg_pthread_t
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#define pthread_attr_t pg_pthread_attr_t
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#define pthread_create pg_pthread_create
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#define pthread_join pg_pthread_join
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typedef struct fork_pthread *pthread_t;
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typedef int pthread_attr_t;
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static int pthread_create(pthread_t *thread, pthread_attr_t * attr, void *(*start_routine) (void *), void *arg);
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static int pthread_join(pthread_t th, void **thread_return);
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#endif
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extern char *optarg;
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extern int optind;
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/********************************************************************
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* some configurable parameters */
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/* max number of clients allowed */
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#ifdef FD_SETSIZE
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#define MAXCLIENTS (FD_SETSIZE - 10)
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#else
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#define MAXCLIENTS 1024
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#endif
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#define DEFAULT_NXACTS 10 /* default nxacts */
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int nxacts = 0; /* number of transactions per client */
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int duration = 0; /* duration in seconds */
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/*
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* scaling factor. for example, scale = 10 will make 1000000 tuples in
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* pgbench_accounts table.
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*/
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int scale = 1;
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/*
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* fillfactor. for example, fillfactor = 90 will use only 90 percent
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* space during inserts and leave 10 percent free.
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*/
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int fillfactor = 100;
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/*
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* use unlogged tables?
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*/
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int unlogged_tables = 0;
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/*
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* tablespace selection
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*/
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char *tablespace = NULL;
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char *index_tablespace = NULL;
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/*
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* end of configurable parameters
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*********************************************************************/
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#define nbranches 1 /* Makes little sense to change this. Change
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* -s instead */
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#define ntellers 10
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#define naccounts 100000
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bool use_log; /* log transaction latencies to a file */
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bool is_connect; /* establish connection for each transaction */
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bool is_latencies; /* report per-command latencies */
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int main_pid; /* main process id used in log filename */
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char *pghost = "";
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char *pgport = "";
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char *pgoptions = NULL;
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char *pgtty = NULL;
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char *login = NULL;
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char *dbName;
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volatile bool timer_exceeded = false; /* flag from signal handler */
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/* variable definitions */
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typedef struct
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{
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char *name; /* variable name */
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char *value; /* its value */
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} Variable;
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#define MAX_FILES 128 /* max number of SQL script files allowed */
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#define SHELL_COMMAND_SIZE 256 /* maximum size allowed for shell command */
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/*
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* structures used in custom query mode
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*/
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typedef struct
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{
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PGconn *con; /* connection handle to DB */
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int id; /* client No. */
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int state; /* state No. */
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int cnt; /* xacts count */
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int ecnt; /* error count */
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int listen; /* 0 indicates that an async query has been
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* sent */
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int sleeping; /* 1 indicates that the client is napping */
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int64 until; /* napping until (usec) */
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Variable *variables; /* array of variable definitions */
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int nvariables;
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instr_time txn_begin; /* used for measuring transaction latencies */
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instr_time stmt_begin; /* used for measuring statement latencies */
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int use_file; /* index in sql_files for this client */
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bool prepared[MAX_FILES];
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} CState;
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/*
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* Thread state and result
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*/
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typedef struct
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{
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int tid; /* thread id */
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pthread_t thread; /* thread handle */
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CState *state; /* array of CState */
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int nstate; /* length of state[] */
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instr_time start_time; /* thread start time */
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instr_time *exec_elapsed; /* time spent executing cmds (per Command) */
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int *exec_count; /* number of cmd executions (per Command) */
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unsigned short random_state[3]; /* separate randomness for each thread */
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} TState;
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#define INVALID_THREAD ((pthread_t) 0)
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typedef struct
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{
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instr_time conn_time;
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int xacts;
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} TResult;
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/*
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* queries read from files
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*/
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#define SQL_COMMAND 1
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#define META_COMMAND 2
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#define MAX_ARGS 10
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typedef enum QueryMode
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{
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QUERY_SIMPLE, /* simple query */
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QUERY_EXTENDED, /* extended query */
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QUERY_PREPARED, /* extended query with prepared statements */
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NUM_QUERYMODE
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} QueryMode;
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static QueryMode querymode = QUERY_SIMPLE;
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static const char *QUERYMODE[] = {"simple", "extended", "prepared"};
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typedef struct
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{
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char *line; /* full text of command line */
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int command_num; /* unique index of this Command struct */
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int type; /* command type (SQL_COMMAND or META_COMMAND) */
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int argc; /* number of command words */
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char *argv[MAX_ARGS]; /* command word list */
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} Command;
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static Command **sql_files[MAX_FILES]; /* SQL script files */
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static int num_files; /* number of script files */
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static int num_commands = 0; /* total number of Command structs */
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static int debug = 0; /* debug flag */
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/* default scenario */
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static char *tpc_b = {
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"\\set nbranches " CppAsString2(nbranches) " * :scale\n"
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"\\set ntellers " CppAsString2(ntellers) " * :scale\n"
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"\\set naccounts " CppAsString2(naccounts) " * :scale\n"
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"\\setrandom aid 1 :naccounts\n"
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"\\setrandom bid 1 :nbranches\n"
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"\\setrandom tid 1 :ntellers\n"
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"\\setrandom delta -5000 5000\n"
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"BEGIN;\n"
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"UPDATE pgbench_accounts SET abalance = abalance + :delta WHERE aid = :aid;\n"
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"SELECT abalance FROM pgbench_accounts WHERE aid = :aid;\n"
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"UPDATE pgbench_tellers SET tbalance = tbalance + :delta WHERE tid = :tid;\n"
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"UPDATE pgbench_branches SET bbalance = bbalance + :delta WHERE bid = :bid;\n"
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"INSERT INTO pgbench_history (tid, bid, aid, delta, mtime) VALUES (:tid, :bid, :aid, :delta, CURRENT_TIMESTAMP);\n"
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"END;\n"
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};
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/* -N case */
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static char *simple_update = {
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"\\set nbranches " CppAsString2(nbranches) " * :scale\n"
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"\\set ntellers " CppAsString2(ntellers) " * :scale\n"
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"\\set naccounts " CppAsString2(naccounts) " * :scale\n"
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"\\setrandom aid 1 :naccounts\n"
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"\\setrandom bid 1 :nbranches\n"
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"\\setrandom tid 1 :ntellers\n"
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"\\setrandom delta -5000 5000\n"
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"BEGIN;\n"
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"UPDATE pgbench_accounts SET abalance = abalance + :delta WHERE aid = :aid;\n"
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"SELECT abalance FROM pgbench_accounts WHERE aid = :aid;\n"
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"INSERT INTO pgbench_history (tid, bid, aid, delta, mtime) VALUES (:tid, :bid, :aid, :delta, CURRENT_TIMESTAMP);\n"
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"END;\n"
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};
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/* -S case */
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static char *select_only = {
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"\\set naccounts " CppAsString2(naccounts) " * :scale\n"
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"\\setrandom aid 1 :naccounts\n"
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"SELECT abalance FROM pgbench_accounts WHERE aid = :aid;\n"
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};
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/* Function prototypes */
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static void setalarm(int seconds);
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static void *threadRun(void *arg);
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/*
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* routines to check mem allocations and fail noisily.
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*/
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static void *
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xmalloc(size_t size)
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{
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void *result;
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result = malloc(size);
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if (!result)
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{
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fprintf(stderr, "out of memory\n");
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exit(1);
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}
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return result;
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}
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static void *
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xrealloc(void *ptr, size_t size)
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{
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void *result;
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result = realloc(ptr, size);
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if (!result)
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{
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fprintf(stderr, "out of memory\n");
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exit(1);
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}
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return result;
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}
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static char *
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xstrdup(const char *s)
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{
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char *result;
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result = strdup(s);
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if (!result)
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{
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fprintf(stderr, "out of memory\n");
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exit(1);
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}
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return result;
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}
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static void
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usage(const char *progname)
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{
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printf("%s is a benchmarking tool for PostgreSQL.\n\n"
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"Usage:\n"
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" %s [OPTIONS]... [DBNAME]\n"
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"\nInitialization options:\n"
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" -i invokes initialization mode\n"
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" -F NUM fill factor\n"
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" -s NUM scaling factor\n"
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" --index-tablespace=TABLESPACE\n"
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" create indexes in the specified tablespace\n"
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" --tablespace=TABLESPACE\n"
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" create tables in the specified tablespace\n"
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" --unlogged-tables\n"
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" create tables as unlogged tables\n"
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"\nBenchmarking options:\n"
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" -c NUM number of concurrent database clients (default: 1)\n"
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" -C establish new connection for each transaction\n"
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" -D VARNAME=VALUE\n"
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" define variable for use by custom script\n"
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" -f FILENAME read transaction script from FILENAME\n"
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" -j NUM number of threads (default: 1)\n"
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" -l write transaction times to log file\n"
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" -M {simple|extended|prepared}\n"
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" protocol for submitting queries to server (default: simple)\n"
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" -n do not run VACUUM before tests\n"
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" -N do not update tables \"pgbench_tellers\" and \"pgbench_branches\"\n"
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" -r report average latency per command\n"
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" -s NUM report this scale factor in output\n"
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" -S perform SELECT-only transactions\n"
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" -t NUM number of transactions each client runs (default: 10)\n"
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" -T NUM duration of benchmark test in seconds\n"
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" -v vacuum all four standard tables before tests\n"
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"\nCommon options:\n"
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" -d print debugging output\n"
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" -h HOSTNAME database server host or socket directory\n"
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" -p PORT database server port number\n"
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" -U USERNAME connect as specified database user\n"
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" --help show this help, then exit\n"
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" --version output version information, then exit\n"
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"\n"
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"Report bugs to <pgsql-bugs@postgresql.org>.\n",
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progname, progname);
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}
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/* random number generator: uniform distribution from min to max inclusive */
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static int
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getrand(TState *thread, int min, int max)
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{
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/*
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* Odd coding is so that min and max have approximately the same chance of
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* being selected as do numbers between them.
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*
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* pg_erand48() is thread-safe and concurrent, which is why we use it
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* rather than random(), which in glibc is non-reentrant, and therefore
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* protected by a mutex, and therefore a bottleneck on machines with many
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* CPUs.
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*/
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return min + (int) ((max - min + 1) * pg_erand48(thread->random_state));
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}
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/* call PQexec() and exit() on failure */
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static void
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executeStatement(PGconn *con, const char *sql)
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{
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PGresult *res;
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res = PQexec(con, sql);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "%s", PQerrorMessage(con));
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exit(1);
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}
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PQclear(res);
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}
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/* set up a connection to the backend */
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static PGconn *
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doConnect(void)
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{
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PGconn *conn;
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static char *password = NULL;
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bool new_pass;
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/*
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* Start the connection. Loop until we have a password if requested by
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* backend.
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*/
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do
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{
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new_pass = false;
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conn = PQsetdbLogin(pghost, pgport, pgoptions, pgtty, dbName,
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login, password);
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if (!conn)
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{
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fprintf(stderr, "Connection to database \"%s\" failed\n",
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dbName);
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return NULL;
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}
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|
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if (PQstatus(conn) == CONNECTION_BAD &&
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PQconnectionNeedsPassword(conn) &&
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password == NULL)
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{
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PQfinish(conn);
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password = simple_prompt("Password: ", 100, false);
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new_pass = true;
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}
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} while (new_pass);
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|
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/* check to see that the backend connection was successfully made */
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if (PQstatus(conn) == CONNECTION_BAD)
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{
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fprintf(stderr, "Connection to database \"%s\" failed:\n%s",
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dbName, PQerrorMessage(conn));
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PQfinish(conn);
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return NULL;
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}
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return conn;
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}
|
|
|
|
/* throw away response from backend */
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static void
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discard_response(CState *state)
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{
|
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PGresult *res;
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do
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{
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res = PQgetResult(state->con);
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if (res)
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PQclear(res);
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} while (res);
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}
|
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|
|
static int
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compareVariables(const void *v1, const void *v2)
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|
{
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return strcmp(((const Variable *) v1)->name,
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((const Variable *) v2)->name);
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|
}
|
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|
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static char *
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getVariable(CState *st, char *name)
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|
{
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|
Variable key,
|
|
*var;
|
|
|
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/* On some versions of Solaris, bsearch of zero items dumps core */
|
|
if (st->nvariables <= 0)
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return NULL;
|
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key.name = name;
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var = (Variable *) bsearch((void *) &key,
|
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(void *) st->variables,
|
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st->nvariables,
|
|
sizeof(Variable),
|
|
compareVariables);
|
|
if (var != NULL)
|
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return var->value;
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else
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return NULL;
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}
|
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|
|
/* check whether the name consists of alphabets, numerals and underscores. */
|
|
static bool
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isLegalVariableName(const char *name)
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|
{
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int i;
|
|
|
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for (i = 0; name[i] != '\0'; i++)
|
|
{
|
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if (!isalnum((unsigned char) name[i]) && name[i] != '_')
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return false;
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}
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|
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return true;
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}
|
|
|
|
static int
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putVariable(CState *st, const char *context, char *name, char *value)
|
|
{
|
|
Variable key,
|
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*var;
|
|
|
|
key.name = name;
|
|
/* On some versions of Solaris, bsearch of zero items dumps core */
|
|
if (st->nvariables > 0)
|
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var = (Variable *) bsearch((void *) &key,
|
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(void *) st->variables,
|
|
st->nvariables,
|
|
sizeof(Variable),
|
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compareVariables);
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else
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var = NULL;
|
|
|
|
if (var == NULL)
|
|
{
|
|
Variable *newvars;
|
|
|
|
/*
|
|
* Check for the name only when declaring a new variable to avoid
|
|
* overhead.
|
|
*/
|
|
if (!isLegalVariableName(name))
|
|
{
|
|
fprintf(stderr, "%s: invalid variable name '%s'\n", context, name);
|
|
return false;
|
|
}
|
|
|
|
if (st->variables)
|
|
newvars = (Variable *) xrealloc(st->variables,
|
|
(st->nvariables + 1) * sizeof(Variable));
|
|
else
|
|
newvars = (Variable *) xmalloc(sizeof(Variable));
|
|
|
|
st->variables = newvars;
|
|
|
|
var = &newvars[st->nvariables];
|
|
|
|
var->name = xstrdup(name);
|
|
var->value = xstrdup(value);
|
|
|
|
st->nvariables++;
|
|
|
|
qsort((void *) st->variables, st->nvariables, sizeof(Variable),
|
|
compareVariables);
|
|
}
|
|
else
|
|
{
|
|
char *val;
|
|
|
|
/* dup then free, in case value is pointing at this variable */
|
|
val = xstrdup(value);
|
|
|
|
free(var->value);
|
|
var->value = val;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static char *
|
|
parseVariable(const char *sql, int *eaten)
|
|
{
|
|
int i = 0;
|
|
char *name;
|
|
|
|
do
|
|
{
|
|
i++;
|
|
} while (isalnum((unsigned char) sql[i]) || sql[i] == '_');
|
|
if (i == 1)
|
|
return NULL;
|
|
|
|
name = xmalloc(i);
|
|
memcpy(name, &sql[1], i - 1);
|
|
name[i - 1] = '\0';
|
|
|
|
*eaten = i;
|
|
return name;
|
|
}
|
|
|
|
static char *
|
|
replaceVariable(char **sql, char *param, int len, char *value)
|
|
{
|
|
int valueln = strlen(value);
|
|
|
|
if (valueln > len)
|
|
{
|
|
size_t offset = param - *sql;
|
|
|
|
*sql = xrealloc(*sql, strlen(*sql) - len + valueln + 1);
|
|
param = *sql + offset;
|
|
}
|
|
|
|
if (valueln != len)
|
|
memmove(param + valueln, param + len, strlen(param + len) + 1);
|
|
strncpy(param, value, valueln);
|
|
|
|
return param + valueln;
|
|
}
|
|
|
|
static char *
|
|
assignVariables(CState *st, char *sql)
|
|
{
|
|
char *p,
|
|
*name,
|
|
*val;
|
|
|
|
p = sql;
|
|
while ((p = strchr(p, ':')) != NULL)
|
|
{
|
|
int eaten;
|
|
|
|
name = parseVariable(p, &eaten);
|
|
if (name == NULL)
|
|
{
|
|
while (*p == ':')
|
|
{
|
|
p++;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
val = getVariable(st, name);
|
|
free(name);
|
|
if (val == NULL)
|
|
{
|
|
p++;
|
|
continue;
|
|
}
|
|
|
|
p = replaceVariable(&sql, p, eaten, val);
|
|
}
|
|
|
|
return sql;
|
|
}
|
|
|
|
static void
|
|
getQueryParams(CState *st, const Command *command, const char **params)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < command->argc - 1; i++)
|
|
params[i] = getVariable(st, command->argv[i + 1]);
|
|
}
|
|
|
|
/*
|
|
* Run a shell command. The result is assigned to the variable if not NULL.
|
|
* Return true if succeeded, or false on error.
|
|
*/
|
|
static bool
|
|
runShellCommand(CState *st, char *variable, char **argv, int argc)
|
|
{
|
|
char command[SHELL_COMMAND_SIZE];
|
|
int i,
|
|
len = 0;
|
|
FILE *fp;
|
|
char res[64];
|
|
char *endptr;
|
|
int retval;
|
|
|
|
/*----------
|
|
* Join arguments with whitespace separators. Arguments starting with
|
|
* exactly one colon are treated as variables:
|
|
* name - append a string "name"
|
|
* :var - append a variable named 'var'
|
|
* ::name - append a string ":name"
|
|
*----------
|
|
*/
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
char *arg;
|
|
int arglen;
|
|
|
|
if (argv[i][0] != ':')
|
|
{
|
|
arg = argv[i]; /* a string literal */
|
|
}
|
|
else if (argv[i][1] == ':')
|
|
{
|
|
arg = argv[i] + 1; /* a string literal starting with colons */
|
|
}
|
|
else if ((arg = getVariable(st, argv[i] + 1)) == NULL)
|
|
{
|
|
fprintf(stderr, "%s: undefined variable %s\n", argv[0], argv[i]);
|
|
return false;
|
|
}
|
|
|
|
arglen = strlen(arg);
|
|
if (len + arglen + (i > 0 ? 1 : 0) >= SHELL_COMMAND_SIZE - 1)
|
|
{
|
|
fprintf(stderr, "%s: too long shell command\n", argv[0]);
|
|
return false;
|
|
}
|
|
|
|
if (i > 0)
|
|
command[len++] = ' ';
|
|
memcpy(command + len, arg, arglen);
|
|
len += arglen;
|
|
}
|
|
|
|
command[len] = '\0';
|
|
|
|
/* Fast path for non-assignment case */
|
|
if (variable == NULL)
|
|
{
|
|
if (system(command))
|
|
{
|
|
if (!timer_exceeded)
|
|
fprintf(stderr, "%s: cannot launch shell command\n", argv[0]);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/* Execute the command with pipe and read the standard output. */
|
|
if ((fp = popen(command, "r")) == NULL)
|
|
{
|
|
fprintf(stderr, "%s: cannot launch shell command\n", argv[0]);
|
|
return false;
|
|
}
|
|
if (fgets(res, sizeof(res), fp) == NULL)
|
|
{
|
|
if (!timer_exceeded)
|
|
fprintf(stderr, "%s: cannot read the result\n", argv[0]);
|
|
return false;
|
|
}
|
|
if (pclose(fp) < 0)
|
|
{
|
|
fprintf(stderr, "%s: cannot close shell command\n", argv[0]);
|
|
return false;
|
|
}
|
|
|
|
/* Check whether the result is an integer and assign it to the variable */
|
|
retval = (int) strtol(res, &endptr, 10);
|
|
while (*endptr != '\0' && isspace((unsigned char) *endptr))
|
|
endptr++;
|
|
if (*res == '\0' || *endptr != '\0')
|
|
{
|
|
fprintf(stderr, "%s: must return an integer ('%s' returned)\n", argv[0], res);
|
|
return false;
|
|
}
|
|
snprintf(res, sizeof(res), "%d", retval);
|
|
if (!putVariable(st, "setshell", variable, res))
|
|
return false;
|
|
|
|
#ifdef DEBUG
|
|
printf("shell parameter name: %s, value: %s\n", argv[1], res);
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
#define MAX_PREPARE_NAME 32
|
|
static void
|
|
preparedStatementName(char *buffer, int file, int state)
|
|
{
|
|
sprintf(buffer, "P%d_%d", file, state);
|
|
}
|
|
|
|
static bool
|
|
clientDone(CState *st, bool ok)
|
|
{
|
|
(void) ok; /* unused */
|
|
|
|
if (st->con != NULL)
|
|
{
|
|
PQfinish(st->con);
|
|
st->con = NULL;
|
|
}
|
|
return false; /* always false */
|
|
}
|
|
|
|
/* return false iff client should be disconnected */
|
|
static bool
|
|
doCustom(TState *thread, CState *st, instr_time *conn_time, FILE *logfile)
|
|
{
|
|
PGresult *res;
|
|
Command **commands;
|
|
|
|
top:
|
|
commands = sql_files[st->use_file];
|
|
|
|
if (st->sleeping)
|
|
{ /* are we sleeping? */
|
|
instr_time now;
|
|
|
|
INSTR_TIME_SET_CURRENT(now);
|
|
if (st->until <= INSTR_TIME_GET_MICROSEC(now))
|
|
st->sleeping = 0; /* Done sleeping, go ahead with next command */
|
|
else
|
|
return true; /* Still sleeping, nothing to do here */
|
|
}
|
|
|
|
if (st->listen)
|
|
{ /* are we receiver? */
|
|
if (commands[st->state]->type == SQL_COMMAND)
|
|
{
|
|
if (debug)
|
|
fprintf(stderr, "client %d receiving\n", st->id);
|
|
if (!PQconsumeInput(st->con))
|
|
{ /* there's something wrong */
|
|
fprintf(stderr, "Client %d aborted in state %d. Probably the backend died while processing.\n", st->id, st->state);
|
|
return clientDone(st, false);
|
|
}
|
|
if (PQisBusy(st->con))
|
|
return true; /* don't have the whole result yet */
|
|
}
|
|
|
|
/*
|
|
* command finished: accumulate per-command execution times in
|
|
* thread-local data structure, if per-command latencies are requested
|
|
*/
|
|
if (is_latencies)
|
|
{
|
|
instr_time now;
|
|
int cnum = commands[st->state]->command_num;
|
|
|
|
INSTR_TIME_SET_CURRENT(now);
|
|
INSTR_TIME_ACCUM_DIFF(thread->exec_elapsed[cnum],
|
|
now, st->stmt_begin);
|
|
thread->exec_count[cnum]++;
|
|
}
|
|
|
|
/*
|
|
* if transaction finished, record the time it took in the log
|
|
*/
|
|
if (logfile && commands[st->state + 1] == NULL)
|
|
{
|
|
instr_time now;
|
|
instr_time diff;
|
|
double usec;
|
|
|
|
INSTR_TIME_SET_CURRENT(now);
|
|
diff = now;
|
|
INSTR_TIME_SUBTRACT(diff, st->txn_begin);
|
|
usec = (double) INSTR_TIME_GET_MICROSEC(diff);
|
|
|
|
#ifndef WIN32
|
|
/* This is more than we really ought to know about instr_time */
|
|
fprintf(logfile, "%d %d %.0f %d %ld %ld\n",
|
|
st->id, st->cnt, usec, st->use_file,
|
|
(long) now.tv_sec, (long) now.tv_usec);
|
|
#else
|
|
/* On Windows, instr_time doesn't provide a timestamp anyway */
|
|
fprintf(logfile, "%d %d %.0f %d 0 0\n",
|
|
st->id, st->cnt, usec, st->use_file);
|
|
#endif
|
|
}
|
|
|
|
if (commands[st->state]->type == SQL_COMMAND)
|
|
{
|
|
/*
|
|
* Read and discard the query result; note this is not included in
|
|
* the statement latency numbers.
|
|
*/
|
|
res = PQgetResult(st->con);
|
|
switch (PQresultStatus(res))
|
|
{
|
|
case PGRES_COMMAND_OK:
|
|
case PGRES_TUPLES_OK:
|
|
break; /* OK */
|
|
default:
|
|
fprintf(stderr, "Client %d aborted in state %d: %s",
|
|
st->id, st->state, PQerrorMessage(st->con));
|
|
PQclear(res);
|
|
return clientDone(st, false);
|
|
}
|
|
PQclear(res);
|
|
discard_response(st);
|
|
}
|
|
|
|
if (commands[st->state + 1] == NULL)
|
|
{
|
|
if (is_connect)
|
|
{
|
|
PQfinish(st->con);
|
|
st->con = NULL;
|
|
}
|
|
|
|
++st->cnt;
|
|
if ((st->cnt >= nxacts && duration <= 0) || timer_exceeded)
|
|
return clientDone(st, true); /* exit success */
|
|
}
|
|
|
|
/* increment state counter */
|
|
st->state++;
|
|
if (commands[st->state] == NULL)
|
|
{
|
|
st->state = 0;
|
|
st->use_file = getrand(thread, 0, num_files - 1);
|
|
commands = sql_files[st->use_file];
|
|
}
|
|
}
|
|
|
|
if (st->con == NULL)
|
|
{
|
|
instr_time start,
|
|
end;
|
|
|
|
INSTR_TIME_SET_CURRENT(start);
|
|
if ((st->con = doConnect()) == NULL)
|
|
{
|
|
fprintf(stderr, "Client %d aborted in establishing connection.\n", st->id);
|
|
return clientDone(st, false);
|
|
}
|
|
INSTR_TIME_SET_CURRENT(end);
|
|
INSTR_TIME_ACCUM_DIFF(*conn_time, end, start);
|
|
}
|
|
|
|
/* Record transaction start time if logging is enabled */
|
|
if (logfile && st->state == 0)
|
|
INSTR_TIME_SET_CURRENT(st->txn_begin);
|
|
|
|
/* Record statement start time if per-command latencies are requested */
|
|
if (is_latencies)
|
|
INSTR_TIME_SET_CURRENT(st->stmt_begin);
|
|
|
|
if (commands[st->state]->type == SQL_COMMAND)
|
|
{
|
|
const Command *command = commands[st->state];
|
|
int r;
|
|
|
|
if (querymode == QUERY_SIMPLE)
|
|
{
|
|
char *sql;
|
|
|
|
sql = xstrdup(command->argv[0]);
|
|
sql = assignVariables(st, sql);
|
|
|
|
if (debug)
|
|
fprintf(stderr, "client %d sending %s\n", st->id, sql);
|
|
r = PQsendQuery(st->con, sql);
|
|
free(sql);
|
|
}
|
|
else if (querymode == QUERY_EXTENDED)
|
|
{
|
|
const char *sql = command->argv[0];
|
|
const char *params[MAX_ARGS];
|
|
|
|
getQueryParams(st, command, params);
|
|
|
|
if (debug)
|
|
fprintf(stderr, "client %d sending %s\n", st->id, sql);
|
|
r = PQsendQueryParams(st->con, sql, command->argc - 1,
|
|
NULL, params, NULL, NULL, 0);
|
|
}
|
|
else if (querymode == QUERY_PREPARED)
|
|
{
|
|
char name[MAX_PREPARE_NAME];
|
|
const char *params[MAX_ARGS];
|
|
|
|
if (!st->prepared[st->use_file])
|
|
{
|
|
int j;
|
|
|
|
for (j = 0; commands[j] != NULL; j++)
|
|
{
|
|
PGresult *res;
|
|
char name[MAX_PREPARE_NAME];
|
|
|
|
if (commands[j]->type != SQL_COMMAND)
|
|
continue;
|
|
preparedStatementName(name, st->use_file, j);
|
|
res = PQprepare(st->con, name,
|
|
commands[j]->argv[0], commands[j]->argc - 1, NULL);
|
|
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
|
fprintf(stderr, "%s", PQerrorMessage(st->con));
|
|
PQclear(res);
|
|
}
|
|
st->prepared[st->use_file] = true;
|
|
}
|
|
|
|
getQueryParams(st, command, params);
|
|
preparedStatementName(name, st->use_file, st->state);
|
|
|
|
if (debug)
|
|
fprintf(stderr, "client %d sending %s\n", st->id, name);
|
|
r = PQsendQueryPrepared(st->con, name, command->argc - 1,
|
|
params, NULL, NULL, 0);
|
|
}
|
|
else /* unknown sql mode */
|
|
r = 0;
|
|
|
|
if (r == 0)
|
|
{
|
|
if (debug)
|
|
fprintf(stderr, "client %d cannot send %s\n", st->id, command->argv[0]);
|
|
st->ecnt++;
|
|
}
|
|
else
|
|
st->listen = 1; /* flags that should be listened */
|
|
}
|
|
else if (commands[st->state]->type == META_COMMAND)
|
|
{
|
|
int argc = commands[st->state]->argc,
|
|
i;
|
|
char **argv = commands[st->state]->argv;
|
|
|
|
if (debug)
|
|
{
|
|
fprintf(stderr, "client %d executing \\%s", st->id, argv[0]);
|
|
for (i = 1; i < argc; i++)
|
|
fprintf(stderr, " %s", argv[i]);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
if (pg_strcasecmp(argv[0], "setrandom") == 0)
|
|
{
|
|
char *var;
|
|
int min,
|
|
max;
|
|
char res[64];
|
|
|
|
if (*argv[2] == ':')
|
|
{
|
|
if ((var = getVariable(st, argv[2] + 1)) == NULL)
|
|
{
|
|
fprintf(stderr, "%s: undefined variable %s\n", argv[0], argv[2]);
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
min = atoi(var);
|
|
}
|
|
else
|
|
min = atoi(argv[2]);
|
|
|
|
#ifdef NOT_USED
|
|
if (min < 0)
|
|
{
|
|
fprintf(stderr, "%s: invalid minimum number %d\n", argv[0], min);
|
|
st->ecnt++;
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if (*argv[3] == ':')
|
|
{
|
|
if ((var = getVariable(st, argv[3] + 1)) == NULL)
|
|
{
|
|
fprintf(stderr, "%s: undefined variable %s\n", argv[0], argv[3]);
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
max = atoi(var);
|
|
}
|
|
else
|
|
max = atoi(argv[3]);
|
|
|
|
if (max < min)
|
|
{
|
|
fprintf(stderr, "%s: maximum is less than minimum\n", argv[0]);
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* getrand() neeeds to be able to subtract max from min and add
|
|
* one the result without overflowing. Since we know max > min,
|
|
* we can detect overflow just by checking for a negative result.
|
|
* But we must check both that the subtraction doesn't overflow,
|
|
* and that adding one to the result doesn't overflow either.
|
|
*/
|
|
if (max - min < 0 || (max - min) + 1 < 0)
|
|
{
|
|
fprintf(stderr, "%s: range too large\n", argv[0]);
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
printf("min: %d max: %d random: %d\n", min, max, getrand(thread, min, max));
|
|
#endif
|
|
snprintf(res, sizeof(res), "%d", getrand(thread, min, max));
|
|
|
|
if (!putVariable(st, argv[0], argv[1], res))
|
|
{
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
|
|
st->listen = 1;
|
|
}
|
|
else if (pg_strcasecmp(argv[0], "set") == 0)
|
|
{
|
|
char *var;
|
|
int ope1,
|
|
ope2;
|
|
char res[64];
|
|
|
|
if (*argv[2] == ':')
|
|
{
|
|
if ((var = getVariable(st, argv[2] + 1)) == NULL)
|
|
{
|
|
fprintf(stderr, "%s: undefined variable %s\n", argv[0], argv[2]);
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
ope1 = atoi(var);
|
|
}
|
|
else
|
|
ope1 = atoi(argv[2]);
|
|
|
|
if (argc < 5)
|
|
snprintf(res, sizeof(res), "%d", ope1);
|
|
else
|
|
{
|
|
if (*argv[4] == ':')
|
|
{
|
|
if ((var = getVariable(st, argv[4] + 1)) == NULL)
|
|
{
|
|
fprintf(stderr, "%s: undefined variable %s\n", argv[0], argv[4]);
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
ope2 = atoi(var);
|
|
}
|
|
else
|
|
ope2 = atoi(argv[4]);
|
|
|
|
if (strcmp(argv[3], "+") == 0)
|
|
snprintf(res, sizeof(res), "%d", ope1 + ope2);
|
|
else if (strcmp(argv[3], "-") == 0)
|
|
snprintf(res, sizeof(res), "%d", ope1 - ope2);
|
|
else if (strcmp(argv[3], "*") == 0)
|
|
snprintf(res, sizeof(res), "%d", ope1 * ope2);
|
|
else if (strcmp(argv[3], "/") == 0)
|
|
{
|
|
if (ope2 == 0)
|
|
{
|
|
fprintf(stderr, "%s: division by zero\n", argv[0]);
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
snprintf(res, sizeof(res), "%d", ope1 / ope2);
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "%s: unsupported operator %s\n", argv[0], argv[3]);
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (!putVariable(st, argv[0], argv[1], res))
|
|
{
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
|
|
st->listen = 1;
|
|
}
|
|
else if (pg_strcasecmp(argv[0], "sleep") == 0)
|
|
{
|
|
char *var;
|
|
int usec;
|
|
instr_time now;
|
|
|
|
if (*argv[1] == ':')
|
|
{
|
|
if ((var = getVariable(st, argv[1] + 1)) == NULL)
|
|
{
|
|
fprintf(stderr, "%s: undefined variable %s\n", argv[0], argv[1]);
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
usec = atoi(var);
|
|
}
|
|
else
|
|
usec = atoi(argv[1]);
|
|
|
|
if (argc > 2)
|
|
{
|
|
if (pg_strcasecmp(argv[2], "ms") == 0)
|
|
usec *= 1000;
|
|
else if (pg_strcasecmp(argv[2], "s") == 0)
|
|
usec *= 1000000;
|
|
}
|
|
else
|
|
usec *= 1000000;
|
|
|
|
INSTR_TIME_SET_CURRENT(now);
|
|
st->until = INSTR_TIME_GET_MICROSEC(now) + usec;
|
|
st->sleeping = 1;
|
|
|
|
st->listen = 1;
|
|
}
|
|
else if (pg_strcasecmp(argv[0], "setshell") == 0)
|
|
{
|
|
bool ret = runShellCommand(st, argv[1], argv + 2, argc - 2);
|
|
|
|
if (timer_exceeded) /* timeout */
|
|
return clientDone(st, true);
|
|
else if (!ret) /* on error */
|
|
{
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
else /* succeeded */
|
|
st->listen = 1;
|
|
}
|
|
else if (pg_strcasecmp(argv[0], "shell") == 0)
|
|
{
|
|
bool ret = runShellCommand(st, NULL, argv + 1, argc - 1);
|
|
|
|
if (timer_exceeded) /* timeout */
|
|
return clientDone(st, true);
|
|
else if (!ret) /* on error */
|
|
{
|
|
st->ecnt++;
|
|
return true;
|
|
}
|
|
else /* succeeded */
|
|
st->listen = 1;
|
|
}
|
|
goto top;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/* discard connections */
|
|
static void
|
|
disconnect_all(CState *state, int length)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < length; i++)
|
|
{
|
|
if (state[i].con)
|
|
{
|
|
PQfinish(state[i].con);
|
|
state[i].con = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* create tables and setup data */
|
|
static void
|
|
init(void)
|
|
{
|
|
/*
|
|
* Note: TPC-B requires at least 100 bytes per row, and the "filler"
|
|
* fields in these table declarations were intended to comply with that.
|
|
* But because they default to NULLs, they don't actually take any space.
|
|
* We could fix that by giving them non-null default values. However, that
|
|
* would completely break comparability of pgbench results with prior
|
|
* versions. Since pgbench has never pretended to be fully TPC-B
|
|
* compliant anyway, we stick with the historical behavior.
|
|
*/
|
|
struct ddlinfo {
|
|
char *table;
|
|
char *cols;
|
|
int declare_fillfactor;
|
|
};
|
|
struct ddlinfo DDLs[] = {
|
|
{
|
|
"pgbench_branches",
|
|
"bid int not null,bbalance int,filler char(88)",
|
|
1
|
|
},
|
|
{
|
|
"pgbench_tellers",
|
|
"tid int not null,bid int,tbalance int,filler char(84)",
|
|
1
|
|
},
|
|
{
|
|
"pgbench_accounts",
|
|
"aid int not null,bid int,abalance int,filler char(84)",
|
|
1
|
|
},
|
|
{
|
|
"pgbench_history",
|
|
"tid int,bid int,aid int,delta int,mtime timestamp,filler char(22)",
|
|
0
|
|
}
|
|
};
|
|
static char *DDLAFTERs[] = {
|
|
"alter table pgbench_branches add primary key (bid)",
|
|
"alter table pgbench_tellers add primary key (tid)",
|
|
"alter table pgbench_accounts add primary key (aid)"
|
|
};
|
|
|
|
PGconn *con;
|
|
PGresult *res;
|
|
char sql[256];
|
|
int i;
|
|
|
|
if ((con = doConnect()) == NULL)
|
|
exit(1);
|
|
|
|
for (i = 0; i < lengthof(DDLs); i++)
|
|
{
|
|
char opts[256];
|
|
char buffer[256];
|
|
struct ddlinfo *ddl = &DDLs[i];
|
|
|
|
/* Remove old table, if it exists. */
|
|
snprintf(buffer, 256, "drop table if exists %s", ddl->table);
|
|
executeStatement(con, buffer);
|
|
|
|
/* Construct new create table statement. */
|
|
opts[0] = '\0';
|
|
if (ddl->declare_fillfactor)
|
|
snprintf(opts+strlen(opts), 256-strlen(opts),
|
|
" with (fillfactor=%d)", fillfactor);
|
|
if (tablespace != NULL)
|
|
{
|
|
char *escape_tablespace;
|
|
escape_tablespace = PQescapeIdentifier(con, tablespace,
|
|
strlen(tablespace));
|
|
snprintf(opts+strlen(opts), 256-strlen(opts),
|
|
" tablespace %s", escape_tablespace);
|
|
PQfreemem(escape_tablespace);
|
|
}
|
|
snprintf(buffer, 256, "create%s table %s(%s)%s",
|
|
unlogged_tables ? " unlogged" : "",
|
|
ddl->table, ddl->cols, opts);
|
|
|
|
executeStatement(con, buffer);
|
|
}
|
|
|
|
executeStatement(con, "begin");
|
|
|
|
for (i = 0; i < nbranches * scale; i++)
|
|
{
|
|
snprintf(sql, 256, "insert into pgbench_branches(bid,bbalance) values(%d,0)", i + 1);
|
|
executeStatement(con, sql);
|
|
}
|
|
|
|
for (i = 0; i < ntellers * scale; i++)
|
|
{
|
|
snprintf(sql, 256, "insert into pgbench_tellers(tid,bid,tbalance) values (%d,%d,0)",
|
|
i + 1, i / ntellers + 1);
|
|
executeStatement(con, sql);
|
|
}
|
|
|
|
executeStatement(con, "commit");
|
|
|
|
/*
|
|
* fill the pgbench_accounts table with some data
|
|
*/
|
|
fprintf(stderr, "creating tables...\n");
|
|
|
|
executeStatement(con, "begin");
|
|
executeStatement(con, "truncate pgbench_accounts");
|
|
|
|
res = PQexec(con, "copy pgbench_accounts from stdin");
|
|
if (PQresultStatus(res) != PGRES_COPY_IN)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
|
|
for (i = 0; i < naccounts * scale; i++)
|
|
{
|
|
int j = i + 1;
|
|
|
|
snprintf(sql, 256, "%d\t%d\t%d\t\n", j, i / naccounts + 1, 0);
|
|
if (PQputline(con, sql))
|
|
{
|
|
fprintf(stderr, "PQputline failed\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (j % 10000 == 0)
|
|
fprintf(stderr, "%d tuples done.\n", j);
|
|
}
|
|
if (PQputline(con, "\\.\n"))
|
|
{
|
|
fprintf(stderr, "very last PQputline failed\n");
|
|
exit(1);
|
|
}
|
|
if (PQendcopy(con))
|
|
{
|
|
fprintf(stderr, "PQendcopy failed\n");
|
|
exit(1);
|
|
}
|
|
executeStatement(con, "commit");
|
|
|
|
/*
|
|
* create indexes
|
|
*/
|
|
fprintf(stderr, "set primary key...\n");
|
|
for (i = 0; i < lengthof(DDLAFTERs); i++)
|
|
{
|
|
char buffer[256];
|
|
|
|
strncpy(buffer, DDLAFTERs[i], 256);
|
|
|
|
if (index_tablespace != NULL)
|
|
{
|
|
char *escape_tablespace;
|
|
escape_tablespace = PQescapeIdentifier(con, index_tablespace,
|
|
strlen(index_tablespace));
|
|
snprintf(buffer+strlen(buffer), 256-strlen(buffer),
|
|
" using index tablespace %s", escape_tablespace);
|
|
PQfreemem(escape_tablespace);
|
|
}
|
|
|
|
executeStatement(con, buffer);
|
|
}
|
|
|
|
/* vacuum */
|
|
fprintf(stderr, "vacuum...");
|
|
executeStatement(con, "vacuum analyze pgbench_branches");
|
|
executeStatement(con, "vacuum analyze pgbench_tellers");
|
|
executeStatement(con, "vacuum analyze pgbench_accounts");
|
|
executeStatement(con, "vacuum analyze pgbench_history");
|
|
|
|
fprintf(stderr, "done.\n");
|
|
PQfinish(con);
|
|
}
|
|
|
|
/*
|
|
* Parse the raw sql and replace :param to $n.
|
|
*/
|
|
static bool
|
|
parseQuery(Command *cmd, const char *raw_sql)
|
|
{
|
|
char *sql,
|
|
*p;
|
|
|
|
sql = xstrdup(raw_sql);
|
|
cmd->argc = 1;
|
|
|
|
p = sql;
|
|
while ((p = strchr(p, ':')) != NULL)
|
|
{
|
|
char var[12];
|
|
char *name;
|
|
int eaten;
|
|
|
|
name = parseVariable(p, &eaten);
|
|
if (name == NULL)
|
|
{
|
|
while (*p == ':')
|
|
{
|
|
p++;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (cmd->argc >= MAX_ARGS)
|
|
{
|
|
fprintf(stderr, "statement has too many arguments (maximum is %d): %s\n", MAX_ARGS - 1, raw_sql);
|
|
return false;
|
|
}
|
|
|
|
sprintf(var, "$%d", cmd->argc);
|
|
p = replaceVariable(&sql, p, eaten, var);
|
|
|
|
cmd->argv[cmd->argc] = name;
|
|
cmd->argc++;
|
|
}
|
|
|
|
cmd->argv[0] = sql;
|
|
return true;
|
|
}
|
|
|
|
/* Parse a command; return a Command struct, or NULL if it's a comment */
|
|
static Command *
|
|
process_commands(char *buf)
|
|
{
|
|
const char delim[] = " \f\n\r\t\v";
|
|
|
|
Command *my_commands;
|
|
int j;
|
|
char *p,
|
|
*tok;
|
|
|
|
/* Make the string buf end at the next newline */
|
|
if ((p = strchr(buf, '\n')) != NULL)
|
|
*p = '\0';
|
|
|
|
/* Skip leading whitespace */
|
|
p = buf;
|
|
while (isspace((unsigned char) *p))
|
|
p++;
|
|
|
|
/* If the line is empty or actually a comment, we're done */
|
|
if (*p == '\0' || strncmp(p, "--", 2) == 0)
|
|
return NULL;
|
|
|
|
/* Allocate and initialize Command structure */
|
|
my_commands = (Command *) xmalloc(sizeof(Command));
|
|
my_commands->line = xstrdup(buf);
|
|
my_commands->command_num = num_commands++;
|
|
my_commands->type = 0; /* until set */
|
|
my_commands->argc = 0;
|
|
|
|
if (*p == '\\')
|
|
{
|
|
my_commands->type = META_COMMAND;
|
|
|
|
j = 0;
|
|
tok = strtok(++p, delim);
|
|
|
|
while (tok != NULL)
|
|
{
|
|
my_commands->argv[j++] = xstrdup(tok);
|
|
my_commands->argc++;
|
|
tok = strtok(NULL, delim);
|
|
}
|
|
|
|
if (pg_strcasecmp(my_commands->argv[0], "setrandom") == 0)
|
|
{
|
|
if (my_commands->argc < 4)
|
|
{
|
|
fprintf(stderr, "%s: missing argument\n", my_commands->argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
for (j = 4; j < my_commands->argc; j++)
|
|
fprintf(stderr, "%s: extra argument \"%s\" ignored\n",
|
|
my_commands->argv[0], my_commands->argv[j]);
|
|
}
|
|
else if (pg_strcasecmp(my_commands->argv[0], "set") == 0)
|
|
{
|
|
if (my_commands->argc < 3)
|
|
{
|
|
fprintf(stderr, "%s: missing argument\n", my_commands->argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
for (j = my_commands->argc < 5 ? 3 : 5; j < my_commands->argc; j++)
|
|
fprintf(stderr, "%s: extra argument \"%s\" ignored\n",
|
|
my_commands->argv[0], my_commands->argv[j]);
|
|
}
|
|
else if (pg_strcasecmp(my_commands->argv[0], "sleep") == 0)
|
|
{
|
|
if (my_commands->argc < 2)
|
|
{
|
|
fprintf(stderr, "%s: missing argument\n", my_commands->argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Split argument into number and unit to allow "sleep 1ms" etc.
|
|
* We don't have to terminate the number argument with null
|
|
* because it will be parsed with atoi, which ignores trailing
|
|
* non-digit characters.
|
|
*/
|
|
if (my_commands->argv[1][0] != ':')
|
|
{
|
|
char *c = my_commands->argv[1];
|
|
|
|
while (isdigit((unsigned char) *c))
|
|
c++;
|
|
if (*c)
|
|
{
|
|
my_commands->argv[2] = c;
|
|
if (my_commands->argc < 3)
|
|
my_commands->argc = 3;
|
|
}
|
|
}
|
|
|
|
if (my_commands->argc >= 3)
|
|
{
|
|
if (pg_strcasecmp(my_commands->argv[2], "us") != 0 &&
|
|
pg_strcasecmp(my_commands->argv[2], "ms") != 0 &&
|
|
pg_strcasecmp(my_commands->argv[2], "s"))
|
|
{
|
|
fprintf(stderr, "%s: unknown time unit '%s' - must be us, ms or s\n",
|
|
my_commands->argv[0], my_commands->argv[2]);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
for (j = 3; j < my_commands->argc; j++)
|
|
fprintf(stderr, "%s: extra argument \"%s\" ignored\n",
|
|
my_commands->argv[0], my_commands->argv[j]);
|
|
}
|
|
else if (pg_strcasecmp(my_commands->argv[0], "setshell") == 0)
|
|
{
|
|
if (my_commands->argc < 3)
|
|
{
|
|
fprintf(stderr, "%s: missing argument\n", my_commands->argv[0]);
|
|
exit(1);
|
|
}
|
|
}
|
|
else if (pg_strcasecmp(my_commands->argv[0], "shell") == 0)
|
|
{
|
|
if (my_commands->argc < 1)
|
|
{
|
|
fprintf(stderr, "%s: missing command\n", my_commands->argv[0]);
|
|
exit(1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "Invalid command %s\n", my_commands->argv[0]);
|
|
exit(1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
my_commands->type = SQL_COMMAND;
|
|
|
|
switch (querymode)
|
|
{
|
|
case QUERY_SIMPLE:
|
|
my_commands->argv[0] = xstrdup(p);
|
|
my_commands->argc++;
|
|
break;
|
|
case QUERY_EXTENDED:
|
|
case QUERY_PREPARED:
|
|
if (!parseQuery(my_commands, p))
|
|
exit(1);
|
|
break;
|
|
default:
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
return my_commands;
|
|
}
|
|
|
|
static int
|
|
process_file(char *filename)
|
|
{
|
|
#define COMMANDS_ALLOC_NUM 128
|
|
|
|
Command **my_commands;
|
|
FILE *fd;
|
|
int lineno;
|
|
char buf[BUFSIZ];
|
|
int alloc_num;
|
|
|
|
if (num_files >= MAX_FILES)
|
|
{
|
|
fprintf(stderr, "Up to only %d SQL files are allowed\n", MAX_FILES);
|
|
exit(1);
|
|
}
|
|
|
|
alloc_num = COMMANDS_ALLOC_NUM;
|
|
my_commands = (Command **) xmalloc(sizeof(Command *) * alloc_num);
|
|
|
|
if (strcmp(filename, "-") == 0)
|
|
fd = stdin;
|
|
else if ((fd = fopen(filename, "r")) == NULL)
|
|
{
|
|
fprintf(stderr, "%s: %s\n", filename, strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
lineno = 0;
|
|
|
|
while (fgets(buf, sizeof(buf), fd) != NULL)
|
|
{
|
|
Command *command;
|
|
|
|
command = process_commands(buf);
|
|
if (command == NULL)
|
|
continue;
|
|
|
|
my_commands[lineno] = command;
|
|
lineno++;
|
|
|
|
if (lineno >= alloc_num)
|
|
{
|
|
alloc_num += COMMANDS_ALLOC_NUM;
|
|
my_commands = xrealloc(my_commands, sizeof(Command *) * alloc_num);
|
|
}
|
|
}
|
|
fclose(fd);
|
|
|
|
my_commands[lineno] = NULL;
|
|
|
|
sql_files[num_files++] = my_commands;
|
|
|
|
return true;
|
|
}
|
|
|
|
static Command **
|
|
process_builtin(char *tb)
|
|
{
|
|
#define COMMANDS_ALLOC_NUM 128
|
|
|
|
Command **my_commands;
|
|
int lineno;
|
|
char buf[BUFSIZ];
|
|
int alloc_num;
|
|
|
|
alloc_num = COMMANDS_ALLOC_NUM;
|
|
my_commands = (Command **) xmalloc(sizeof(Command *) * alloc_num);
|
|
|
|
lineno = 0;
|
|
|
|
for (;;)
|
|
{
|
|
char *p;
|
|
Command *command;
|
|
|
|
p = buf;
|
|
while (*tb && *tb != '\n')
|
|
*p++ = *tb++;
|
|
|
|
if (*tb == '\0')
|
|
break;
|
|
|
|
if (*tb == '\n')
|
|
tb++;
|
|
|
|
*p = '\0';
|
|
|
|
command = process_commands(buf);
|
|
if (command == NULL)
|
|
continue;
|
|
|
|
my_commands[lineno] = command;
|
|
lineno++;
|
|
|
|
if (lineno >= alloc_num)
|
|
{
|
|
alloc_num += COMMANDS_ALLOC_NUM;
|
|
my_commands = xrealloc(my_commands, sizeof(Command *) * alloc_num);
|
|
}
|
|
}
|
|
|
|
my_commands[lineno] = NULL;
|
|
|
|
return my_commands;
|
|
}
|
|
|
|
/* print out results */
|
|
static void
|
|
printResults(int ttype, int normal_xacts, int nclients,
|
|
TState *threads, int nthreads,
|
|
instr_time total_time, instr_time conn_total_time)
|
|
{
|
|
double time_include,
|
|
tps_include,
|
|
tps_exclude;
|
|
char *s;
|
|
|
|
time_include = INSTR_TIME_GET_DOUBLE(total_time);
|
|
tps_include = normal_xacts / time_include;
|
|
tps_exclude = normal_xacts / (time_include -
|
|
(INSTR_TIME_GET_DOUBLE(conn_total_time) / nthreads));
|
|
|
|
if (ttype == 0)
|
|
s = "TPC-B (sort of)";
|
|
else if (ttype == 2)
|
|
s = "Update only pgbench_accounts";
|
|
else if (ttype == 1)
|
|
s = "SELECT only";
|
|
else
|
|
s = "Custom query";
|
|
|
|
printf("transaction type: %s\n", s);
|
|
printf("scaling factor: %d\n", scale);
|
|
printf("query mode: %s\n", QUERYMODE[querymode]);
|
|
printf("number of clients: %d\n", nclients);
|
|
printf("number of threads: %d\n", nthreads);
|
|
if (duration <= 0)
|
|
{
|
|
printf("number of transactions per client: %d\n", nxacts);
|
|
printf("number of transactions actually processed: %d/%d\n",
|
|
normal_xacts, nxacts * nclients);
|
|
}
|
|
else
|
|
{
|
|
printf("duration: %d s\n", duration);
|
|
printf("number of transactions actually processed: %d\n",
|
|
normal_xacts);
|
|
}
|
|
printf("tps = %f (including connections establishing)\n", tps_include);
|
|
printf("tps = %f (excluding connections establishing)\n", tps_exclude);
|
|
|
|
/* Report per-command latencies */
|
|
if (is_latencies)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < num_files; i++)
|
|
{
|
|
Command **commands;
|
|
|
|
if (num_files > 1)
|
|
printf("statement latencies in milliseconds, file %d:\n", i + 1);
|
|
else
|
|
printf("statement latencies in milliseconds:\n");
|
|
|
|
for (commands = sql_files[i]; *commands != NULL; commands++)
|
|
{
|
|
Command *command = *commands;
|
|
int cnum = command->command_num;
|
|
double total_time;
|
|
instr_time total_exec_elapsed;
|
|
int total_exec_count;
|
|
int t;
|
|
|
|
/* Accumulate per-thread data for command */
|
|
INSTR_TIME_SET_ZERO(total_exec_elapsed);
|
|
total_exec_count = 0;
|
|
for (t = 0; t < nthreads; t++)
|
|
{
|
|
TState *thread = &threads[t];
|
|
|
|
INSTR_TIME_ADD(total_exec_elapsed,
|
|
thread->exec_elapsed[cnum]);
|
|
total_exec_count += thread->exec_count[cnum];
|
|
}
|
|
|
|
if (total_exec_count > 0)
|
|
total_time = INSTR_TIME_GET_MILLISEC(total_exec_elapsed) / (double) total_exec_count;
|
|
else
|
|
total_time = 0.0;
|
|
|
|
printf("\t%f\t%s\n", total_time, command->line);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int c;
|
|
int nclients = 1; /* default number of simulated clients */
|
|
int nthreads = 1; /* default number of threads */
|
|
int is_init_mode = 0; /* initialize mode? */
|
|
int is_no_vacuum = 0; /* no vacuum at all before testing? */
|
|
int do_vacuum_accounts = 0; /* do vacuum accounts before testing? */
|
|
int ttype = 0; /* transaction type. 0: TPC-B, 1: SELECT only,
|
|
* 2: skip update of branches and tellers */
|
|
int optindex;
|
|
char *filename = NULL;
|
|
bool scale_given = false;
|
|
|
|
CState *state; /* status of clients */
|
|
TState *threads; /* array of thread */
|
|
|
|
instr_time start_time; /* start up time */
|
|
instr_time total_time;
|
|
instr_time conn_total_time;
|
|
int total_xacts;
|
|
|
|
int i;
|
|
|
|
static struct option long_options[] = {
|
|
{"index-tablespace", required_argument, NULL, 3},
|
|
{"tablespace", required_argument, NULL, 2},
|
|
{"unlogged-tables", no_argument, &unlogged_tables, 1},
|
|
{NULL, 0, NULL, 0}
|
|
};
|
|
|
|
#ifdef HAVE_GETRLIMIT
|
|
struct rlimit rlim;
|
|
#endif
|
|
|
|
PGconn *con;
|
|
PGresult *res;
|
|
char *env;
|
|
|
|
char val[64];
|
|
|
|
const char *progname;
|
|
|
|
progname = get_progname(argv[0]);
|
|
|
|
if (argc > 1)
|
|
{
|
|
if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
|
|
{
|
|
usage(progname);
|
|
exit(0);
|
|
}
|
|
if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
|
|
{
|
|
puts("pgbench (PostgreSQL) " PG_VERSION);
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
#ifdef WIN32
|
|
/* stderr is buffered on Win32. */
|
|
setvbuf(stderr, NULL, _IONBF, 0);
|
|
#endif
|
|
|
|
if ((env = getenv("PGHOST")) != NULL && *env != '\0')
|
|
pghost = env;
|
|
if ((env = getenv("PGPORT")) != NULL && *env != '\0')
|
|
pgport = env;
|
|
else if ((env = getenv("PGUSER")) != NULL && *env != '\0')
|
|
login = env;
|
|
|
|
state = (CState *) xmalloc(sizeof(CState));
|
|
memset(state, 0, sizeof(CState));
|
|
|
|
while ((c = getopt_long(argc, argv, "ih:nvp:dSNc:j:Crs:t:T:U:lf:D:F:M:", long_options, &optindex)) != -1)
|
|
{
|
|
switch (c)
|
|
{
|
|
case 'i':
|
|
is_init_mode++;
|
|
break;
|
|
case 'h':
|
|
pghost = optarg;
|
|
break;
|
|
case 'n':
|
|
is_no_vacuum++;
|
|
break;
|
|
case 'v':
|
|
do_vacuum_accounts++;
|
|
break;
|
|
case 'p':
|
|
pgport = optarg;
|
|
break;
|
|
case 'd':
|
|
debug++;
|
|
break;
|
|
case 'S':
|
|
ttype = 1;
|
|
break;
|
|
case 'N':
|
|
ttype = 2;
|
|
break;
|
|
case 'c':
|
|
nclients = atoi(optarg);
|
|
if (nclients <= 0 || nclients > MAXCLIENTS)
|
|
{
|
|
fprintf(stderr, "invalid number of clients: %d\n", nclients);
|
|
exit(1);
|
|
}
|
|
#ifdef HAVE_GETRLIMIT
|
|
#ifdef RLIMIT_NOFILE /* most platforms use RLIMIT_NOFILE */
|
|
if (getrlimit(RLIMIT_NOFILE, &rlim) == -1)
|
|
#else /* but BSD doesn't ... */
|
|
if (getrlimit(RLIMIT_OFILE, &rlim) == -1)
|
|
#endif /* RLIMIT_NOFILE */
|
|
{
|
|
fprintf(stderr, "getrlimit failed: %s\n", strerror(errno));
|
|
exit(1);
|
|
}
|
|
if (rlim.rlim_cur <= (nclients + 2))
|
|
{
|
|
fprintf(stderr, "You need at least %d open files but you are only allowed to use %ld.\n", nclients + 2, (long) rlim.rlim_cur);
|
|
fprintf(stderr, "Use limit/ulimit to increase the limit before using pgbench.\n");
|
|
exit(1);
|
|
}
|
|
#endif /* HAVE_GETRLIMIT */
|
|
break;
|
|
case 'j': /* jobs */
|
|
nthreads = atoi(optarg);
|
|
if (nthreads <= 0)
|
|
{
|
|
fprintf(stderr, "invalid number of threads: %d\n", nthreads);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'C':
|
|
is_connect = true;
|
|
break;
|
|
case 'r':
|
|
is_latencies = true;
|
|
break;
|
|
case 's':
|
|
scale_given = true;
|
|
scale = atoi(optarg);
|
|
if (scale <= 0)
|
|
{
|
|
fprintf(stderr, "invalid scaling factor: %d\n", scale);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 't':
|
|
if (duration > 0)
|
|
{
|
|
fprintf(stderr, "specify either a number of transactions (-t) or a duration (-T), not both.\n");
|
|
exit(1);
|
|
}
|
|
nxacts = atoi(optarg);
|
|
if (nxacts <= 0)
|
|
{
|
|
fprintf(stderr, "invalid number of transactions: %d\n", nxacts);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'T':
|
|
if (nxacts > 0)
|
|
{
|
|
fprintf(stderr, "specify either a number of transactions (-t) or a duration (-T), not both.\n");
|
|
exit(1);
|
|
}
|
|
duration = atoi(optarg);
|
|
if (duration <= 0)
|
|
{
|
|
fprintf(stderr, "invalid duration: %d\n", duration);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'U':
|
|
login = optarg;
|
|
break;
|
|
case 'l':
|
|
use_log = true;
|
|
break;
|
|
case 'f':
|
|
ttype = 3;
|
|
filename = optarg;
|
|
if (process_file(filename) == false || *sql_files[num_files - 1] == NULL)
|
|
exit(1);
|
|
break;
|
|
case 'D':
|
|
{
|
|
char *p;
|
|
|
|
if ((p = strchr(optarg, '=')) == NULL || p == optarg || *(p + 1) == '\0')
|
|
{
|
|
fprintf(stderr, "invalid variable definition: %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
|
|
*p++ = '\0';
|
|
if (!putVariable(&state[0], "option", optarg, p))
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'F':
|
|
fillfactor = atoi(optarg);
|
|
if ((fillfactor < 10) || (fillfactor > 100))
|
|
{
|
|
fprintf(stderr, "invalid fillfactor: %d\n", fillfactor);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 'M':
|
|
if (num_files > 0)
|
|
{
|
|
fprintf(stderr, "query mode (-M) should be specifiled before transaction scripts (-f)\n");
|
|
exit(1);
|
|
}
|
|
for (querymode = 0; querymode < NUM_QUERYMODE; querymode++)
|
|
if (strcmp(optarg, QUERYMODE[querymode]) == 0)
|
|
break;
|
|
if (querymode >= NUM_QUERYMODE)
|
|
{
|
|
fprintf(stderr, "invalid query mode (-M): %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 0:
|
|
/* This covers long options which take no argument. */
|
|
break;
|
|
case 2: /* tablespace */
|
|
tablespace = optarg;
|
|
break;
|
|
case 3: /* index-tablespace */
|
|
index_tablespace = optarg;
|
|
break;
|
|
default:
|
|
fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
|
|
exit(1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (argc > optind)
|
|
dbName = argv[optind];
|
|
else
|
|
{
|
|
if ((env = getenv("PGDATABASE")) != NULL && *env != '\0')
|
|
dbName = env;
|
|
else if (login != NULL && *login != '\0')
|
|
dbName = login;
|
|
else
|
|
dbName = "";
|
|
}
|
|
|
|
if (is_init_mode)
|
|
{
|
|
init();
|
|
exit(0);
|
|
}
|
|
|
|
/* Use DEFAULT_NXACTS if neither nxacts nor duration is specified. */
|
|
if (nxacts <= 0 && duration <= 0)
|
|
nxacts = DEFAULT_NXACTS;
|
|
|
|
if (nclients % nthreads != 0)
|
|
{
|
|
fprintf(stderr, "number of clients (%d) must be a multiple of number of threads (%d)\n", nclients, nthreads);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* is_latencies only works with multiple threads in thread-based
|
|
* implementations, not fork-based ones, because it supposes that the
|
|
* parent can see changes made to the per-thread execution stats by child
|
|
* threads. It seems useful enough to accept despite this limitation, but
|
|
* perhaps we should FIXME someday (by passing the stats data back up
|
|
* through the parent-to-child pipes).
|
|
*/
|
|
#ifndef ENABLE_THREAD_SAFETY
|
|
if (is_latencies && nthreads > 1)
|
|
{
|
|
fprintf(stderr, "-r does not work with -j larger than 1 on this platform.\n");
|
|
exit(1);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* save main process id in the global variable because process id will be
|
|
* changed after fork.
|
|
*/
|
|
main_pid = (int) getpid();
|
|
|
|
if (nclients > 1)
|
|
{
|
|
state = (CState *) xrealloc(state, sizeof(CState) * nclients);
|
|
memset(state + 1, 0, sizeof(CState) * (nclients - 1));
|
|
|
|
/* copy any -D switch values to all clients */
|
|
for (i = 1; i < nclients; i++)
|
|
{
|
|
int j;
|
|
|
|
state[i].id = i;
|
|
for (j = 0; j < state[0].nvariables; j++)
|
|
{
|
|
if (!putVariable(&state[i], "startup", state[0].variables[j].name, state[0].variables[j].value))
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (debug)
|
|
{
|
|
if (duration <= 0)
|
|
printf("pghost: %s pgport: %s nclients: %d nxacts: %d dbName: %s\n",
|
|
pghost, pgport, nclients, nxacts, dbName);
|
|
else
|
|
printf("pghost: %s pgport: %s nclients: %d duration: %d dbName: %s\n",
|
|
pghost, pgport, nclients, duration, dbName);
|
|
}
|
|
|
|
/* opening connection... */
|
|
con = doConnect();
|
|
if (con == NULL)
|
|
exit(1);
|
|
|
|
if (PQstatus(con) == CONNECTION_BAD)
|
|
{
|
|
fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
|
|
if (ttype != 3)
|
|
{
|
|
/*
|
|
* get the scaling factor that should be same as count(*) from
|
|
* pgbench_branches if this is not a custom query
|
|
*/
|
|
res = PQexec(con, "select count(*) from pgbench_branches");
|
|
if (PQresultStatus(res) != PGRES_TUPLES_OK)
|
|
{
|
|
fprintf(stderr, "%s", PQerrorMessage(con));
|
|
exit(1);
|
|
}
|
|
scale = atoi(PQgetvalue(res, 0, 0));
|
|
if (scale < 0)
|
|
{
|
|
fprintf(stderr, "count(*) from pgbench_branches invalid (%d)\n", scale);
|
|
exit(1);
|
|
}
|
|
PQclear(res);
|
|
|
|
/* warn if we override user-given -s switch */
|
|
if (scale_given)
|
|
fprintf(stderr,
|
|
"Scale option ignored, using pgbench_branches table count = %d\n",
|
|
scale);
|
|
}
|
|
|
|
/*
|
|
* :scale variables normally get -s or database scale, but don't override
|
|
* an explicit -D switch
|
|
*/
|
|
if (getVariable(&state[0], "scale") == NULL)
|
|
{
|
|
snprintf(val, sizeof(val), "%d", scale);
|
|
for (i = 0; i < nclients; i++)
|
|
{
|
|
if (!putVariable(&state[i], "startup", "scale", val))
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (!is_no_vacuum)
|
|
{
|
|
fprintf(stderr, "starting vacuum...");
|
|
executeStatement(con, "vacuum pgbench_branches");
|
|
executeStatement(con, "vacuum pgbench_tellers");
|
|
executeStatement(con, "truncate pgbench_history");
|
|
fprintf(stderr, "end.\n");
|
|
|
|
if (do_vacuum_accounts)
|
|
{
|
|
fprintf(stderr, "starting vacuum pgbench_accounts...");
|
|
executeStatement(con, "vacuum analyze pgbench_accounts");
|
|
fprintf(stderr, "end.\n");
|
|
}
|
|
}
|
|
PQfinish(con);
|
|
|
|
/* set random seed */
|
|
INSTR_TIME_SET_CURRENT(start_time);
|
|
srandom((unsigned int) INSTR_TIME_GET_MICROSEC(start_time));
|
|
|
|
/* process builtin SQL scripts */
|
|
switch (ttype)
|
|
{
|
|
case 0:
|
|
sql_files[0] = process_builtin(tpc_b);
|
|
num_files = 1;
|
|
break;
|
|
|
|
case 1:
|
|
sql_files[0] = process_builtin(select_only);
|
|
num_files = 1;
|
|
break;
|
|
|
|
case 2:
|
|
sql_files[0] = process_builtin(simple_update);
|
|
num_files = 1;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* set up thread data structures */
|
|
threads = (TState *) xmalloc(sizeof(TState) * nthreads);
|
|
for (i = 0; i < nthreads; i++)
|
|
{
|
|
TState *thread = &threads[i];
|
|
|
|
thread->tid = i;
|
|
thread->state = &state[nclients / nthreads * i];
|
|
thread->nstate = nclients / nthreads;
|
|
thread->random_state[0] = random();
|
|
thread->random_state[1] = random();
|
|
thread->random_state[2] = random();
|
|
|
|
if (is_latencies)
|
|
{
|
|
/* Reserve memory for the thread to store per-command latencies */
|
|
int t;
|
|
|
|
thread->exec_elapsed = (instr_time *)
|
|
xmalloc(sizeof(instr_time) * num_commands);
|
|
thread->exec_count = (int *)
|
|
xmalloc(sizeof(int) * num_commands);
|
|
|
|
for (t = 0; t < num_commands; t++)
|
|
{
|
|
INSTR_TIME_SET_ZERO(thread->exec_elapsed[t]);
|
|
thread->exec_count[t] = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
thread->exec_elapsed = NULL;
|
|
thread->exec_count = NULL;
|
|
}
|
|
}
|
|
|
|
/* get start up time */
|
|
INSTR_TIME_SET_CURRENT(start_time);
|
|
|
|
/* set alarm if duration is specified. */
|
|
if (duration > 0)
|
|
setalarm(duration);
|
|
|
|
/* start threads */
|
|
for (i = 0; i < nthreads; i++)
|
|
{
|
|
TState *thread = &threads[i];
|
|
|
|
INSTR_TIME_SET_CURRENT(thread->start_time);
|
|
|
|
/* the first thread (i = 0) is executed by main thread */
|
|
if (i > 0)
|
|
{
|
|
int err = pthread_create(&thread->thread, NULL, threadRun, thread);
|
|
|
|
if (err != 0 || thread->thread == INVALID_THREAD)
|
|
{
|
|
fprintf(stderr, "cannot create thread: %s\n", strerror(err));
|
|
exit(1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
thread->thread = INVALID_THREAD;
|
|
}
|
|
}
|
|
|
|
/* wait for threads and accumulate results */
|
|
total_xacts = 0;
|
|
INSTR_TIME_SET_ZERO(conn_total_time);
|
|
for (i = 0; i < nthreads; i++)
|
|
{
|
|
void *ret = NULL;
|
|
|
|
if (threads[i].thread == INVALID_THREAD)
|
|
ret = threadRun(&threads[i]);
|
|
else
|
|
pthread_join(threads[i].thread, &ret);
|
|
|
|
if (ret != NULL)
|
|
{
|
|
TResult *r = (TResult *) ret;
|
|
|
|
total_xacts += r->xacts;
|
|
INSTR_TIME_ADD(conn_total_time, r->conn_time);
|
|
free(ret);
|
|
}
|
|
}
|
|
disconnect_all(state, nclients);
|
|
|
|
/* get end time */
|
|
INSTR_TIME_SET_CURRENT(total_time);
|
|
INSTR_TIME_SUBTRACT(total_time, start_time);
|
|
printResults(ttype, total_xacts, nclients, threads, nthreads,
|
|
total_time, conn_total_time);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void *
|
|
threadRun(void *arg)
|
|
{
|
|
TState *thread = (TState *) arg;
|
|
CState *state = thread->state;
|
|
TResult *result;
|
|
FILE *logfile = NULL; /* per-thread log file */
|
|
instr_time start,
|
|
end;
|
|
int nstate = thread->nstate;
|
|
int remains = nstate; /* number of remaining clients */
|
|
int i;
|
|
|
|
result = xmalloc(sizeof(TResult));
|
|
INSTR_TIME_SET_ZERO(result->conn_time);
|
|
|
|
/* open log file if requested */
|
|
if (use_log)
|
|
{
|
|
char logpath[64];
|
|
|
|
if (thread->tid == 0)
|
|
snprintf(logpath, sizeof(logpath), "pgbench_log.%d", main_pid);
|
|
else
|
|
snprintf(logpath, sizeof(logpath), "pgbench_log.%d.%d", main_pid, thread->tid);
|
|
logfile = fopen(logpath, "w");
|
|
|
|
if (logfile == NULL)
|
|
{
|
|
fprintf(stderr, "Couldn't open logfile \"%s\": %s", logpath, strerror(errno));
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if (!is_connect)
|
|
{
|
|
/* make connections to the database */
|
|
for (i = 0; i < nstate; i++)
|
|
{
|
|
if ((state[i].con = doConnect()) == NULL)
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
/* time after thread and connections set up */
|
|
INSTR_TIME_SET_CURRENT(result->conn_time);
|
|
INSTR_TIME_SUBTRACT(result->conn_time, thread->start_time);
|
|
|
|
/* send start up queries in async manner */
|
|
for (i = 0; i < nstate; i++)
|
|
{
|
|
CState *st = &state[i];
|
|
Command **commands = sql_files[st->use_file];
|
|
int prev_ecnt = st->ecnt;
|
|
|
|
st->use_file = getrand(thread, 0, num_files - 1);
|
|
if (!doCustom(thread, st, &result->conn_time, logfile))
|
|
remains--; /* I've aborted */
|
|
|
|
if (st->ecnt > prev_ecnt && commands[st->state]->type == META_COMMAND)
|
|
{
|
|
fprintf(stderr, "Client %d aborted in state %d. Execution meta-command failed.\n", i, st->state);
|
|
remains--; /* I've aborted */
|
|
PQfinish(st->con);
|
|
st->con = NULL;
|
|
}
|
|
}
|
|
|
|
while (remains > 0)
|
|
{
|
|
fd_set input_mask;
|
|
int maxsock; /* max socket number to be waited */
|
|
int64 now_usec = 0;
|
|
int64 min_usec;
|
|
|
|
FD_ZERO(&input_mask);
|
|
|
|
maxsock = -1;
|
|
min_usec = INT64_MAX;
|
|
for (i = 0; i < nstate; i++)
|
|
{
|
|
CState *st = &state[i];
|
|
Command **commands = sql_files[st->use_file];
|
|
int sock;
|
|
|
|
if (st->sleeping)
|
|
{
|
|
int this_usec;
|
|
|
|
if (min_usec == INT64_MAX)
|
|
{
|
|
instr_time now;
|
|
|
|
INSTR_TIME_SET_CURRENT(now);
|
|
now_usec = INSTR_TIME_GET_MICROSEC(now);
|
|
}
|
|
|
|
this_usec = st->until - now_usec;
|
|
if (min_usec > this_usec)
|
|
min_usec = this_usec;
|
|
}
|
|
else if (st->con == NULL)
|
|
{
|
|
continue;
|
|
}
|
|
else if (commands[st->state]->type == META_COMMAND)
|
|
{
|
|
min_usec = 0; /* the connection is ready to run */
|
|
break;
|
|
}
|
|
|
|
sock = PQsocket(st->con);
|
|
if (sock < 0)
|
|
{
|
|
fprintf(stderr, "bad socket: %s\n", strerror(errno));
|
|
goto done;
|
|
}
|
|
|
|
FD_SET(sock, &input_mask);
|
|
|
|
if (maxsock < sock)
|
|
maxsock = sock;
|
|
}
|
|
|
|
if (min_usec > 0 && maxsock != -1)
|
|
{
|
|
int nsocks; /* return from select(2) */
|
|
|
|
if (min_usec != INT64_MAX)
|
|
{
|
|
struct timeval timeout;
|
|
|
|
timeout.tv_sec = min_usec / 1000000;
|
|
timeout.tv_usec = min_usec % 1000000;
|
|
nsocks = select(maxsock + 1, &input_mask, NULL, NULL, &timeout);
|
|
}
|
|
else
|
|
nsocks = select(maxsock + 1, &input_mask, NULL, NULL, NULL);
|
|
if (nsocks < 0)
|
|
{
|
|
if (errno == EINTR)
|
|
continue;
|
|
/* must be something wrong */
|
|
fprintf(stderr, "select failed: %s\n", strerror(errno));
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
/* ok, backend returns reply */
|
|
for (i = 0; i < nstate; i++)
|
|
{
|
|
CState *st = &state[i];
|
|
Command **commands = sql_files[st->use_file];
|
|
int prev_ecnt = st->ecnt;
|
|
|
|
if (st->con && (FD_ISSET(PQsocket(st->con), &input_mask)
|
|
|| commands[st->state]->type == META_COMMAND))
|
|
{
|
|
if (!doCustom(thread, st, &result->conn_time, logfile))
|
|
remains--; /* I've aborted */
|
|
}
|
|
|
|
if (st->ecnt > prev_ecnt && commands[st->state]->type == META_COMMAND)
|
|
{
|
|
fprintf(stderr, "Client %d aborted in state %d. Execution of meta-command failed.\n", i, st->state);
|
|
remains--; /* I've aborted */
|
|
PQfinish(st->con);
|
|
st->con = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
done:
|
|
INSTR_TIME_SET_CURRENT(start);
|
|
disconnect_all(state, nstate);
|
|
result->xacts = 0;
|
|
for (i = 0; i < nstate; i++)
|
|
result->xacts += state[i].cnt;
|
|
INSTR_TIME_SET_CURRENT(end);
|
|
INSTR_TIME_ACCUM_DIFF(result->conn_time, end, start);
|
|
if (logfile)
|
|
fclose(logfile);
|
|
return result;
|
|
}
|
|
|
|
|
|
/*
|
|
* Support for duration option: set timer_exceeded after so many seconds.
|
|
*/
|
|
|
|
#ifndef WIN32
|
|
|
|
static void
|
|
handle_sig_alarm(SIGNAL_ARGS)
|
|
{
|
|
timer_exceeded = true;
|
|
}
|
|
|
|
static void
|
|
setalarm(int seconds)
|
|
{
|
|
pqsignal(SIGALRM, handle_sig_alarm);
|
|
alarm(seconds);
|
|
}
|
|
|
|
#ifndef ENABLE_THREAD_SAFETY
|
|
|
|
/*
|
|
* implements pthread using fork.
|
|
*/
|
|
|
|
typedef struct fork_pthread
|
|
{
|
|
pid_t pid;
|
|
int pipes[2];
|
|
} fork_pthread;
|
|
|
|
static int
|
|
pthread_create(pthread_t *thread,
|
|
pthread_attr_t * attr,
|
|
void *(*start_routine) (void *),
|
|
void *arg)
|
|
{
|
|
fork_pthread *th;
|
|
void *ret;
|
|
|
|
th = (fork_pthread *) xmalloc(sizeof(fork_pthread));
|
|
if (pipe(th->pipes) < 0)
|
|
{
|
|
free(th);
|
|
return errno;
|
|
}
|
|
|
|
th->pid = fork();
|
|
if (th->pid == -1) /* error */
|
|
{
|
|
free(th);
|
|
return errno;
|
|
}
|
|
if (th->pid != 0) /* in parent process */
|
|
{
|
|
close(th->pipes[1]);
|
|
*thread = th;
|
|
return 0;
|
|
}
|
|
|
|
/* in child process */
|
|
close(th->pipes[0]);
|
|
|
|
/* set alarm again because the child does not inherit timers */
|
|
if (duration > 0)
|
|
setalarm(duration);
|
|
|
|
ret = start_routine(arg);
|
|
write(th->pipes[1], ret, sizeof(TResult));
|
|
close(th->pipes[1]);
|
|
free(th);
|
|
exit(0);
|
|
}
|
|
|
|
static int
|
|
pthread_join(pthread_t th, void **thread_return)
|
|
{
|
|
int status;
|
|
|
|
while (waitpid(th->pid, &status, 0) != th->pid)
|
|
{
|
|
if (errno != EINTR)
|
|
return errno;
|
|
}
|
|
|
|
if (thread_return != NULL)
|
|
{
|
|
/* assume result is TResult */
|
|
*thread_return = xmalloc(sizeof(TResult));
|
|
if (read(th->pipes[0], *thread_return, sizeof(TResult)) != sizeof(TResult))
|
|
{
|
|
free(*thread_return);
|
|
*thread_return = NULL;
|
|
}
|
|
}
|
|
close(th->pipes[0]);
|
|
|
|
free(th);
|
|
return 0;
|
|
}
|
|
#endif
|
|
#else /* WIN32 */
|
|
|
|
static VOID CALLBACK
|
|
win32_timer_callback(PVOID lpParameter, BOOLEAN TimerOrWaitFired)
|
|
{
|
|
timer_exceeded = true;
|
|
}
|
|
|
|
static void
|
|
setalarm(int seconds)
|
|
{
|
|
HANDLE queue;
|
|
HANDLE timer;
|
|
|
|
/* This function will be called at most once, so we can cheat a bit. */
|
|
queue = CreateTimerQueue();
|
|
if (seconds > ((DWORD) -1) / 1000 ||
|
|
!CreateTimerQueueTimer(&timer, queue,
|
|
win32_timer_callback, NULL, seconds * 1000, 0,
|
|
WT_EXECUTEINTIMERTHREAD | WT_EXECUTEONLYONCE))
|
|
{
|
|
fprintf(stderr, "Failed to set timer\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* partial pthread implementation for Windows */
|
|
|
|
typedef struct win32_pthread
|
|
{
|
|
HANDLE handle;
|
|
void *(*routine) (void *);
|
|
void *arg;
|
|
void *result;
|
|
} win32_pthread;
|
|
|
|
static unsigned __stdcall
|
|
win32_pthread_run(void *arg)
|
|
{
|
|
win32_pthread *th = (win32_pthread *) arg;
|
|
|
|
th->result = th->routine(th->arg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
pthread_create(pthread_t *thread,
|
|
pthread_attr_t * attr,
|
|
void *(*start_routine) (void *),
|
|
void *arg)
|
|
{
|
|
int save_errno;
|
|
win32_pthread *th;
|
|
|
|
th = (win32_pthread *) xmalloc(sizeof(win32_pthread));
|
|
th->routine = start_routine;
|
|
th->arg = arg;
|
|
th->result = NULL;
|
|
|
|
th->handle = (HANDLE) _beginthreadex(NULL, 0, win32_pthread_run, th, 0, NULL);
|
|
if (th->handle == NULL)
|
|
{
|
|
save_errno = errno;
|
|
free(th);
|
|
return save_errno;
|
|
}
|
|
|
|
*thread = th;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
pthread_join(pthread_t th, void **thread_return)
|
|
{
|
|
if (th == NULL || th->handle == NULL)
|
|
return errno = EINVAL;
|
|
|
|
if (WaitForSingleObject(th->handle, INFINITE) != WAIT_OBJECT_0)
|
|
{
|
|
_dosmaperr(GetLastError());
|
|
return errno;
|
|
}
|
|
|
|
if (thread_return)
|
|
*thread_return = th->result;
|
|
|
|
CloseHandle(th->handle);
|
|
free(th);
|
|
return 0;
|
|
}
|
|
|
|
#endif /* WIN32 */
|