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Add configure --enable-profiling to enable GCC profiling. Patches from

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Korry Douglas and Nikhil S
REL8_3_STABLE
Bruce Momjian 19 years ago
parent 879caf1369
commit 6765df9174
5 changed files with 116 additions and 4 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 51
      configure
  2. 20
      configure.in
  3. 14
      doc/src/sgml/installation.sgml
  4. 32
      src/backend/storage/ipc/ipc.c
  5. 3
      src/include/pg_config.h.in

51
configure vendored
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@ -314,7 +314,7 @@ ac_includes_default="\
# include <unistd.h>
#endif"
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'
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'
ac_subst_files=''
# Initialize some variables set by options.
@ -865,6 +865,7 @@ Optional Features:
--disable-rpath do not embed shared library search path in executables
--disable-spinlocks do not use spinlocks
--enable-debug build with debugging symbols (-g)
--enable-profiling build with profiling enabled
--enable-dtrace build with DTrace support
--enable-depend turn on automatic dependency tracking
--enable-cassert enable assertion checks (for debugging)
@ -1948,6 +1949,37 @@ fi;
#
# --enable-profiling enables gcc profiling
#
pgac_args="$pgac_args enable_profiling"
# Check whether --enable-profiling or --disable-profiling was given.
if test "${enable_profiling+set}" = set; then
enableval="$enable_profiling"
case $enableval in
yes)
:
;;
no)
:
;;
*)
{ { echo "$as_me:$LINENO: error: no argument expected for --enable-profiling option" >&5
echo "$as_me: error: no argument expected for --enable-profiling option" >&2;}
{ (exit 1); exit 1; }; }
;;
esac
else
enable_profiling=no
fi;
#
# DTrace
#
@ -3149,6 +3181,22 @@ if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
CFLAGS="$CFLAGS -g"
fi
# enable profiling if --enable-profiling
if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
if test "$GCC" = yes; then
cat >>confdefs.h <<\_ACEOF
#define PROFILE_PID_DIR 1
_ACEOF
CFLAGS="$CFLAGS -pg"
else
{ { echo "$as_me:$LINENO: error: --enable-profiling is supported only when using GCC" >&5
echo "$as_me: error: --enable-profiling is supported only when using GCC" >&2;}
{ (exit 1); exit 1; }; }
fi
fi
{ echo "$as_me:$LINENO: using CFLAGS=$CFLAGS" >&5
echo "$as_me: using CFLAGS=$CFLAGS" >&6;}
@ -23975,6 +24023,7 @@ s,@default_port@,$default_port,;t t
s,@enable_shared@,$enable_shared,;t t
s,@enable_rpath@,$enable_rpath,;t t
s,@enable_debug@,$enable_debug,;t t
s,@enable_profiling@,$enable_profiling,;t t
s,@DTRACE@,$DTRACE,;t t
s,@DTRACEFLAGS@,$DTRACEFLAGS,;t t
s,@enable_dtrace@,$enable_dtrace,;t t

20
configure.in
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@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
dnl $PostgreSQL: pgsql/configure.in,v 1.501 2007/02/07 00:28:54 petere Exp $
dnl $PostgreSQL: pgsql/configure.in,v 1.502 2007/02/21 15:12:39 momjian Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@ -205,6 +205,13 @@ PGAC_ARG_BOOL(enable, debug, no,
[ --enable-debug build with debugging symbols (-g)])
AC_SUBST(enable_debug)
#
# --enable-profiling enables gcc profiling
#
PGAC_ARG_BOOL(enable, profiling, no,
[ --enable-profiling build with profiling enabled ])
AC_SUBST(enable_profiling)
#
# DTrace
#
@ -297,6 +304,17 @@ if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
CFLAGS="$CFLAGS -g"
fi
# enable profiling if --enable-profiling
if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
if test "$GCC" = yes; then
AC_DEFINE([PROFILE_PID_DIR], 1,
[Define to 1 to enable profiling. (--enable-profiling)])
CFLAGS="$CFLAGS -pg"
else
AC_MSG_ERROR([--enable-profiling is supported only when using GCC])
fi
fi
AC_MSG_NOTICE([using CFLAGS=$CFLAGS])
# We already have this in Makefile.win32, but configure needs it too

14
doc/src/sgml/installation.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.284 2007/02/19 18:57:18 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.285 2007/02/21 15:12:39 momjian Exp $ -->
<chapter id="installation">
<title><![%standalone-include[<productname>PostgreSQL</>]]>
@ -1040,6 +1040,18 @@ su - postgres
</listitem>
</varlistentry>
<varlistentry>
<term><option>--enable-profiling</option></term>
<listitem>
<para>
If using GCC, all programs and libraries are compiled so they
can be profiled. On backend exit, a subdirectory will be created
that contains the <filename>gmon.out</> file for use in profiling.
This option is for use only with GCC and when doing development work.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--enable-cassert</option></term>
<listitem>

32
src/backend/storage/ipc/ipc.c
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@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/ipc/ipc.c,v 1.95 2007/01/05 22:19:37 momjian Exp $
* $PostgreSQL: pgsql/src/backend/storage/ipc/ipc.c,v 1.96 2007/02/21 15:12:39 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -110,6 +110,36 @@ proc_exit(int code)
on_proc_exit_list[on_proc_exit_index].arg);
elog(DEBUG3, "exit(%d)", code);
#ifdef PROFILE_PID_DIR
{
/*
* If we are profiling ourself then gprof's mcleanup() is about
* to write out a profile to ./gmon.out. Since mcleanup() always
* uses a fixed file name, each backend will overwrite earlier
* profiles. To fix that, we create a separate subdirectory for
* each backend (./gprof/pid) and 'cd' to that subdirectory before
* we exit() - that forces mcleanup() to write each profile into
* its own directory. We end up with something like:
* $PGDATA/gprof/8829/gmon.out
* $PGDATA/gprof/8845/gmon.out
* ...
*
* Note that we do this here instead of in an on_proc_exit()
* callback because we want to ensure that this code executes
* last - we don't want to interfere with any other on_proc_exit()
* callback.
*/
char gprofDirName[32];
snprintf(gprofDirName, 32, "gprof/%d", (int) getpid());
mkdir("gprof", 0777);
mkdir(gprofDirName, 0777);
chdir(gprofDirName);
}
#endif
exit(code);
}

3
src/include/pg_config.h.in
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@ -602,6 +602,9 @@
/* A string containing the version number, platform, and C compiler */
#undef PG_VERSION_STR
/* Define to 1 to enable profiling. (--enable-profiling) */
#undef PROFILE_PID_DIR
/* Define to the necessary symbol if this constant uses a non-standard name on
your system. */
#undef PTHREAD_CREATE_JOINABLE

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