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| author | Roland McGrath <roland@hack.frob.com> | 2012-05-25 13:35:08 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2012-05-25 13:41:03 -0700 |
| commit | 5acf7263d52992ce4144e0a3b3644985b9e792b4 (patch) | |
| tree | c128be190c1c3fb5a1987710033c016d5b881b70 /nptl/pthread_mutex_lock.c | |
| parent | 8422c9a560e6e3c854739c8a13ecb1c6714f930f (diff) | |
| download | glibc-5acf7263d52992ce4144e0a3b3644985b9e792b4.tar.gz glibc-5acf7263d52992ce4144e0a3b3644985b9e792b4.tar.xz glibc-5acf7263d52992ce4144e0a3b3644985b9e792b4.zip | |
Add systemtap static probe points in generic and x86_64 pthread code.
Diffstat (limited to 'nptl/pthread_mutex_lock.c')
| -rw-r--r-- | nptl/pthread_mutex_lock.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/nptl/pthread_mutex_lock.c b/nptl/pthread_mutex_lock.c index c747355e49..2b30bad48d 100644 --- a/nptl/pthread_mutex_lock.c +++ b/nptl/pthread_mutex_lock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002-2007, 2008, 2009 Free Software Foundation, Inc. +/* Copyright (C) 2002-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -23,6 +23,7 @@ #include <not-cancel.h> #include "pthreadP.h" #include <lowlevellock.h> +#include <stap-probe.h> #ifndef LLL_MUTEX_LOCK @@ -47,6 +48,9 @@ __pthread_mutex_lock (mutex) assert (sizeof (mutex->__size) >= sizeof (mutex->__data)); unsigned int type = PTHREAD_MUTEX_TYPE (mutex); + + LIBC_PROBE (mutex_entry, 1, mutex); + if (__builtin_expect (type & ~PTHREAD_MUTEX_KIND_MASK_NP, 0)) return __pthread_mutex_lock_full (mutex); @@ -126,6 +130,8 @@ __pthread_mutex_lock (mutex) ++mutex->__data.__nusers; #endif + LIBC_PROBE (mutex_acquired, 1, mutex); + return 0; } @@ -466,6 +472,8 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex) ++mutex->__data.__nusers; #endif + LIBC_PROBE (mutex_acquired, 1, mutex); + return 0; } #ifndef __pthread_mutex_lock |