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threshhold and ./configure option for lock profiler

This commit is contained in:
Martin Willi 2008-11-05 14:36:57 +00:00
parent ac29400e34
commit 0214012508
3 changed files with 24 additions and 6 deletions
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9
configure.in
View File

@ -377,6 +377,14 @@ AC_ARG_ENABLE(
fi]
)
AC_ARG_ENABLE(
[lock-profiler],
AS_HELP_STRING([--enable-lock-profiling],[enable lock/mutex profiling code (default is NO).]),
[if test x$enableval = xyes; then
lock_profiler=true
fi]
)
AC_ARG_ENABLE(
[unit-tests],
AS_HELP_STRING([--enable-unit-tests],[enable unit tests on IKEv2 daemon startup (default is NO).]),
@ -899,6 +907,7 @@ dnl =============
AM_CONDITIONAL(USE_SMARTCARD, test x$smartcard = xtrue)
AM_CONDITIONAL(USE_CISCO_QUIRKS, test x$cisco_quirks = xtrue)
AM_CONDITIONAL(USE_LEAK_DETECTIVE, test x$leak_detective = xtrue)
AM_CONDITIONAL(USE_LOCK_PROFILER, test x$lock_profiler = xtrue)
AM_CONDITIONAL(USE_NAT_TRANSPORT, test x$nat_transport = xtrue)
AM_CONDITIONAL(USE_VENDORID, test x$vendor_id = xtrue)
AM_CONDITIONAL(USE_XAUTH_VID, test x$xauth_vid = xtrue)

4
src/libstrongswan/Makefile.am
View File

@ -64,6 +64,10 @@ if USE_LEAK_DETECTIVE
libstrongswan_la_SOURCES += utils/leak_detective.c utils/leak_detective.h
endif
if USE_LOCK_PROFILER
AM_CFLAGS += -DLOCK_PROFILER
endif
if USE_INTEGRITY_TEST
libstrongswan_la_SOURCES += \
fips/fips_canister_end.c

17
src/libstrongswan/utils/mutex.c
View File

@ -27,6 +27,10 @@
#include <time.h>
#include <errno.h>
/**
* Do not report mutexes with an overall waiting time smaller than this (in us)
*/
#define PROFILE_TRESHHOLD 1000
typedef struct private_mutex_t private_mutex_t;
typedef struct private_r_mutex_t private_r_mutex_t;
@ -103,17 +107,18 @@ struct private_condvar_t {
};
#ifdef LOCK_PROFILER
#include <execinfo.h>
/**
* Print and cleanup mutex profiler
*/
static void profiler_cleanup(private_mutex_t *this)
{
fprintf(stderr, "waited %d.%06ds in mutex, created at:",
this->waited.tv_sec, this->waited.tv_usec);
this->backtrace->log(this->backtrace, stderr);
if (this->waited.tv_sec > 0 ||
this->waited.tv_usec > PROFILE_TRESHHOLD)
{
fprintf(stderr, "waited %d.%06ds in mutex, created at:",
this->waited.tv_sec, this->waited.tv_usec);
this->backtrace->log(this->backtrace, stderr);
}
this->backtrace->destroy(this->backtrace);
}