Add configure --enable-profiling to enable GCC profiling. Patches from
Korry Douglas and Nikhil S
This commit is contained in:
Bruce Momjian
parent
879caf1369
commit
6765df9174
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@ -314,7 +314,7 @@ ac_includes_default="\
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# include <unistd.h>
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#endif"
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS configure_args build build_cpu build_vendor build_os host host_cpu host_vendor host_os PORTNAME docdir enable_nls WANTED_LANGUAGES default_port enable_shared enable_rpath enable_debug DTRACE DTRACEFLAGS enable_dtrace CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP GCC TAS autodepend INCLUDES enable_thread_safety with_tcl with_perl with_python with_krb5 krb_srvtab with_pam with_ldap with_bonjour with_openssl XML2_CONFIG with_zlib EGREP ELF_SYS LDFLAGS_SL AWK FLEX FLEXFLAGS LN_S LD with_gnu_ld ld_R_works RANLIB ac_ct_RANLIB TAR STRIP ac_ct_STRIP STRIP_STATIC_LIB STRIP_SHARED_LIB YACC YFLAGS PERL perl_archlibexp perl_privlibexp perl_useshrplib perl_embed_ldflags PYTHON python_version python_configdir python_includespec python_libdir python_libspec python_additional_libs HAVE_IPV6 LIBOBJS acx_pthread_config PTHREAD_CC PTHREAD_LIBS PTHREAD_CFLAGS LDAP_LIBS_FE LDAP_LIBS_BE HAVE_POSIX_SIGNALS MSGFMT MSGMERGE XGETTEXT localedir TCLSH TCL_CONFIG_SH TCL_INCLUDE_SPEC TCL_LIB_FILE TCL_LIBS TCL_LIB_SPEC TCL_SHARED_BUILD TCL_SHLIB_LD_LIBS NSGMLS JADE have_docbook DOCBOOKSTYLE COLLATEINDEX SGMLSPL vpath_build LTLIBOBJS'
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS configure_args build build_cpu build_vendor build_os host host_cpu host_vendor host_os PORTNAME docdir enable_nls WANTED_LANGUAGES default_port enable_shared enable_rpath enable_debug enable_profiling DTRACE DTRACEFLAGS enable_dtrace CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP GCC TAS autodepend INCLUDES enable_thread_safety with_tcl with_perl with_python with_krb5 krb_srvtab with_pam with_ldap with_bonjour with_openssl XML2_CONFIG with_zlib EGREP ELF_SYS LDFLAGS_SL AWK FLEX FLEXFLAGS LN_S LD with_gnu_ld ld_R_works RANLIB ac_ct_RANLIB TAR STRIP ac_ct_STRIP STRIP_STATIC_LIB STRIP_SHARED_LIB YACC YFLAGS PERL perl_archlibexp perl_privlibexp perl_useshrplib perl_embed_ldflags PYTHON python_version python_configdir python_includespec python_libdir python_libspec python_additional_libs HAVE_IPV6 LIBOBJS acx_pthread_config PTHREAD_CC PTHREAD_LIBS PTHREAD_CFLAGS LDAP_LIBS_FE LDAP_LIBS_BE HAVE_POSIX_SIGNALS MSGFMT MSGMERGE XGETTEXT localedir TCLSH TCL_CONFIG_SH TCL_INCLUDE_SPEC TCL_LIB_FILE TCL_LIBS TCL_LIB_SPEC TCL_SHARED_BUILD TCL_SHLIB_LD_LIBS NSGMLS JADE have_docbook DOCBOOKSTYLE COLLATEINDEX SGMLSPL vpath_build LTLIBOBJS'
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ac_subst_files=''
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# Initialize some variables set by options.
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@ -865,6 +865,7 @@ Optional Features:
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--disable-rpath do not embed shared library search path in executables
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--disable-spinlocks do not use spinlocks
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--enable-debug build with debugging symbols (-g)
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--enable-profiling build with profiling enabled
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--enable-dtrace build with DTrace support
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--enable-depend turn on automatic dependency tracking
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--enable-cassert enable assertion checks (for debugging)
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@ -1948,6 +1949,37 @@ fi;
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#
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# --enable-profiling enables gcc profiling
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#
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pgac_args="$pgac_args enable_profiling"
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# Check whether --enable-profiling or --disable-profiling was given.
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if test "${enable_profiling+set}" = set; then
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enableval="$enable_profiling"
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case $enableval in
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yes)
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:
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;;
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no)
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:
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;;
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*)
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{ { echo "$as_me:$LINENO: error: no argument expected for --enable-profiling option" >&5
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echo "$as_me: error: no argument expected for --enable-profiling option" >&2;}
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{ (exit 1); exit 1; }; }
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;;
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esac
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else
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enable_profiling=no
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fi;
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#
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# DTrace
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#
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@ -3149,6 +3181,22 @@ if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
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CFLAGS="$CFLAGS -g"
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fi
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# enable profiling if --enable-profiling
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if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
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if test "$GCC" = yes; then
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cat >>confdefs.h <<\_ACEOF
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#define PROFILE_PID_DIR 1
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_ACEOF
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CFLAGS="$CFLAGS -pg"
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else
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{ { echo "$as_me:$LINENO: error: --enable-profiling is supported only when using GCC" >&5
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echo "$as_me: error: --enable-profiling is supported only when using GCC" >&2;}
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{ (exit 1); exit 1; }; }
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fi
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fi
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{ echo "$as_me:$LINENO: using CFLAGS=$CFLAGS" >&5
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echo "$as_me: using CFLAGS=$CFLAGS" >&6;}
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@ -23975,6 +24023,7 @@ s,@default_port@,$default_port,;t t
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s,@enable_shared@,$enable_shared,;t t
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s,@enable_rpath@,$enable_rpath,;t t
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s,@enable_debug@,$enable_debug,;t t
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s,@enable_profiling@,$enable_profiling,;t t
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s,@DTRACE@,$DTRACE,;t t
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s,@DTRACEFLAGS@,$DTRACEFLAGS,;t t
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s,@enable_dtrace@,$enable_dtrace,;t t
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20
configure.in
20
configure.in
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@ -1,5 +1,5 @@
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dnl Process this file with autoconf to produce a configure script.
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dnl $PostgreSQL: pgsql/configure.in,v 1.501 2007/02/07 00:28:54 petere Exp $
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dnl $PostgreSQL: pgsql/configure.in,v 1.502 2007/02/21 15:12:39 momjian Exp $
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dnl
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dnl Developers, please strive to achieve this order:
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dnl
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@ -205,6 +205,13 @@ PGAC_ARG_BOOL(enable, debug, no,
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[ --enable-debug build with debugging symbols (-g)])
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AC_SUBST(enable_debug)
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#
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# --enable-profiling enables gcc profiling
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#
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PGAC_ARG_BOOL(enable, profiling, no,
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[ --enable-profiling build with profiling enabled ])
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AC_SUBST(enable_profiling)
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#
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# DTrace
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#
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@ -297,6 +304,17 @@ if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
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CFLAGS="$CFLAGS -g"
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fi
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# enable profiling if --enable-profiling
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if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
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if test "$GCC" = yes; then
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AC_DEFINE([PROFILE_PID_DIR], 1,
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[Define to 1 to enable profiling. (--enable-profiling)])
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CFLAGS="$CFLAGS -pg"
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else
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AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
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fi
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fi
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AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
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# We already have this in Makefile.win32, but configure needs it too
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.284 2007/02/19 18:57:18 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.285 2007/02/21 15:12:39 momjian Exp $ -->
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<chapter id="installation">
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<title><![%standalone-include[<productname>PostgreSQL</>]]>
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@ -1040,6 +1040,18 @@ su - postgres
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--enable-profiling</option></term>
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<listitem>
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<para>
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If using GCC, all programs and libraries are compiled so they
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can be profiled. On backend exit, a subdirectory will be created
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that contains the <filename>gmon.out</> file for use in profiling.
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This option is for use only with GCC and when doing development work.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--enable-cassert</option></term>
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<listitem>
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@ -13,7 +13,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/storage/ipc/ipc.c,v 1.95 2007/01/05 22:19:37 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/storage/ipc/ipc.c,v 1.96 2007/02/21 15:12:39 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -110,6 +110,36 @@ proc_exit(int code)
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on_proc_exit_list[on_proc_exit_index].arg);
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elog(DEBUG3, "exit(%d)", code);
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#ifdef PROFILE_PID_DIR
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{
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/*
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* If we are profiling ourself then gprof's mcleanup() is about
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* to write out a profile to ./gmon.out. Since mcleanup() always
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* uses a fixed file name, each backend will overwrite earlier
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* profiles. To fix that, we create a separate subdirectory for
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* each backend (./gprof/pid) and 'cd' to that subdirectory before
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* we exit() - that forces mcleanup() to write each profile into
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* its own directory. We end up with something like:
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* $PGDATA/gprof/8829/gmon.out
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* $PGDATA/gprof/8845/gmon.out
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* ...
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*
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* Note that we do this here instead of in an on_proc_exit()
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* callback because we want to ensure that this code executes
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* last - we don't want to interfere with any other on_proc_exit()
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* callback.
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*/
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char gprofDirName[32];
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snprintf(gprofDirName, 32, "gprof/%d", (int) getpid());
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mkdir("gprof", 0777);
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mkdir(gprofDirName, 0777);
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chdir(gprofDirName);
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}
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#endif
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exit(code);
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}
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@ -602,6 +602,9 @@
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/* A string containing the version number, platform, and C compiler */
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#undef PG_VERSION_STR
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/* Define to 1 to enable profiling. (--enable-profiling) */
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#undef PROFILE_PID_DIR
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/* Define to the necessary symbol if this constant uses a non-standard name on
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your system. */
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#undef PTHREAD_CREATE_JOINABLE
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