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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 14:01:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 14:01:07 -0700
commit8a1ca8cedd108c8e76a6ab34079d0bbb4f244799 (patch)
tree636c715524f1718599209cc289908ea44b6cb859 /include/linux/init_task.h
parentb640f042faa2a2fad6464f259a8afec06e2f6386 (diff)
parent940010c5a314a7bd9b498593bc6ba1718ac5aec5 (diff)
Merge branch 'perfcounters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perfcounters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (574 commits) perf_counter: Turn off by default perf_counter: Add counter->id to the throttle event perf_counter: Better align code perf_counter: Rename L2 to LL cache perf_counter: Standardize event names perf_counter: Rename enums perf_counter tools: Clean up u64 usage perf_counter: Rename perf_counter_limit sysctl perf_counter: More paranoia settings perf_counter: powerpc: Implement generalized cache events for POWER processors perf_counters: powerpc: Add support for POWER7 processors perf_counter: Accurate period data perf_counter: Introduce struct for sample data perf_counter tools: Normalize data using per sample period data perf_counter: Annotate exit ctx recursion perf_counter tools: Propagate signals properly perf_counter tools: Small frequency related fixes perf_counter: More aggressive frequency adjustment perf_counter/x86: Fix the model number of Intel Core2 processors perf_counter, x86: Correct some event and umask values for Intel processors ...
Diffstat (limited to 'include/linux/init_task.h')
-rw-r--r--include/linux/init_task.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 6646bfc7b892..28b1f30601b5 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -108,6 +108,15 @@ extern struct group_info init_groups;
extern struct cred init_cred;
+#ifdef CONFIG_PERF_COUNTERS
+# define INIT_PERF_COUNTERS(tsk) \
+ .perf_counter_mutex = \
+ __MUTEX_INITIALIZER(tsk.perf_counter_mutex), \
+ .perf_counter_list = LIST_HEAD_INIT(tsk.perf_counter_list),
+#else
+# define INIT_PERF_COUNTERS(tsk)
+#endif
+
/*
* INIT_TASK is used to set up the first task table, touch at
* your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -171,6 +180,7 @@ extern struct cred init_cred;
}, \
.dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
INIT_IDS \
+ INIT_PERF_COUNTERS(tsk) \
INIT_TRACE_IRQFLAGS \
INIT_LOCKDEP \
INIT_FTRACE_GRAPH \