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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 14:01:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 14:01:07 -0700 |
| commit | 8a1ca8cedd108c8e76a6ab34079d0bbb4f244799 (patch) | |
| tree | 636c715524f1718599209cc289908ea44b6cb859 /fs/exec.c | |
| parent | b640f042faa2a2fad6464f259a8afec06e2f6386 (diff) | |
| parent | 940010c5a314a7bd9b498593bc6ba1718ac5aec5 (diff) | |
| download | lwn-8a1ca8cedd108c8e76a6ab34079d0bbb4f244799.tar.gz lwn-8a1ca8cedd108c8e76a6ab34079d0bbb4f244799.zip | |
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 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c index a7fcd975c6b2..e639957d7a57 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -33,6 +33,7 @@ #include <linux/string.h> #include <linux/init.h> #include <linux/pagemap.h> +#include <linux/perf_counter.h> #include <linux/highmem.h> #include <linux/spinlock.h> #include <linux/key.h> @@ -922,6 +923,7 @@ void set_task_comm(struct task_struct *tsk, char *buf) task_lock(tsk); strlcpy(tsk->comm, buf, sizeof(tsk->comm)); task_unlock(tsk); + perf_counter_comm(tsk); } int flush_old_exec(struct linux_binprm * bprm) @@ -990,6 +992,13 @@ int flush_old_exec(struct linux_binprm * bprm) current->personality &= ~bprm->per_clear; + /* + * Flush performance counters when crossing a + * security domain: + */ + if (!get_dumpable(current->mm)) + perf_counter_exit_task(current); + /* An exec changes our domain. We are no longer part of the thread group */ |