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Add getopt() support to test_fsync; also fix printf() format problem.
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@ -3,7 +3,11 @@ test_fsync
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This program tests fsync. The tests are described as part of the program output.
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This program tests fsync. The tests are described as part of the program output.
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Usage: test_fsync [-f filename] [ops_per_test]
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Usage: test_fsync [option...]
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Options:
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-f, --filename specify filename for test
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-o, --ops-per-test operations per test
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test_fsync is intended to give you a reasonable idea of what the fastest
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test_fsync is intended to give you a reasonable idea of what the fastest
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fsync_method is on your specific system, as well as supplying diagnostic
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fsync_method is on your specific system, as well as supplying diagnostic
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@ -16,6 +20,6 @@ The output filename defaults to test_fsync.out in the current directory.
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test_fsync should be run in the same filesystem as your transaction log
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test_fsync should be run in the same filesystem as your transaction log
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directory (pg_xlog).
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directory (pg_xlog).
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Ops-per-test defaults to 2000. Increase this to get more accurate
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Operations per test defaults to 2000. Increase this to get more accurate
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measurements.
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measurements.
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@ -8,6 +8,7 @@
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#include "postgres.h"
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#include "postgres.h"
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#include "getopt_long.h"
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#include "access/xlog_internal.h"
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#include "access/xlog_internal.h"
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#include "access/xlog.h"
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#include "access/xlog.h"
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#include "access/xlogdefs.h"
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#include "access/xlogdefs.h"
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@ -80,26 +81,52 @@ main(int argc, char *argv[])
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void
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void
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handle_args(int argc, char *argv[])
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handle_args(int argc, char *argv[])
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{
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{
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if (argc > 1 && strcmp(argv[1], "-h") == 0)
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static struct option long_options[] = {
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{
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{"filename", required_argument, NULL, 'f'},
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fprintf(stderr, "test_fsync [-f filename] [ops-per-test]\n");
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{"ops-per-test", required_argument, NULL, 'o'},
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exit(1);
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{NULL, 0, NULL, 0}
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}
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};
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int option; /* Command line option */
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/*
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int optindex = 0; /* used by getopt_long */
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* arguments: ops_per_test and filename (optional)
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*/
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if (argc > 2 && strcmp(argv[1], "-f") == 0)
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{
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filename = argv[2];
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argv += 2;
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argc -= 2;
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}
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if (argc > 1)
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if (argc > 1)
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ops_per_test = atoi(argv[1]);
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{
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if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0 ||
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strcmp(argv[1], "-?") == 0)
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{
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fprintf(stderr, "test_fsync [-f filename] [ops-per-test]\n");
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exit(0);
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}
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if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
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{
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fprintf(stderr,"test_fsync " PG_VERSION "\n");
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exit(0);
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}
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}
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printf("Ops-per-test = %d\n\n", ops_per_test);
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while ((option = getopt_long(argc, argv, "f:o:",
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long_options, &optindex)) != -1)
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{
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switch (option)
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{
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case 'f':
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filename = strdup(optarg);
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break;
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case 'o':
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ops_per_test = atoi(optarg);
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break;
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default:
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fprintf(stderr,
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"Try \"%s --help\" for more information.\n",
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"test_fsync");
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exit(1);
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break;
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}
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}
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printf("%d operations per test\n\n", ops_per_test);
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}
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}
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void
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void
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@ -448,7 +475,7 @@ test_open_syncs(void)
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}
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}
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if ((tmpfile = open(filename, O_RDWR | OPEN_SYNC_FLAG | PG_O_DIRECT, 0)) == -1)
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if ((tmpfile = open(filename, O_RDWR | OPEN_SYNC_FLAG | PG_O_DIRECT, 0)) == -1)
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printf(NA_FORMAT, "n/a**\n");
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printf(NA_FORMAT, "o_direct", "n/a**\n");
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else
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else
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{
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{
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printf(LABEL_FORMAT, "2 open_sync 8k writes");
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printf(LABEL_FORMAT, "2 open_sync 8k writes");
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