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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-05 22:48:37 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-05 22:48:37 +0200 |
| commit | 93697a3cabd3605c434a9b915c0272ad800b3f97 (patch) | |
| tree | dc26826f10979e02efbd2c6a87b326b770284b18 /kernel | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dto... (diff) | |
| parent | perf_counter/powerpc: Fix cache event codes for POWER7 (diff) | |
| download | linux-93697a3cabd3605c434a9b915c0272ad800b3f97.tar.xz linux-93697a3cabd3605c434a9b915c0272ad800b3f97.zip | |
Merge branch 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf_counter/powerpc: Fix cache event codes for POWER7
perf_counter: Fix /0 bug in swcounters
perf_counters: Increase paranoia level
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/perf_counter.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index f274e1959885..d7cbc579fc80 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -50,7 +50,7 @@ static atomic_t nr_task_counters __read_mostly; * 1 - disallow cpu counters to unpriv * 2 - disallow kernel profiling to unpriv */ -int sysctl_perf_counter_paranoid __read_mostly; +int sysctl_perf_counter_paranoid __read_mostly = 1; static inline bool perf_paranoid_cpu(void) { @@ -4066,6 +4066,7 @@ perf_counter_alloc(struct perf_counter_attr *attr, hwc->sample_period = attr->sample_period; if (attr->freq && attr->sample_freq) hwc->sample_period = 1; + hwc->last_period = hwc->sample_period; atomic64_set(&hwc->period_left, hwc->sample_period); |