diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-09 08:07:24 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-09 08:07:24 -0800 |
| commit | 975e32c287a9b144cf115d3f42ca18664b3331df (patch) | |
| tree | c45cb3cd1bcaf2d09efeeaec192d344c898f2c70 | |
| parent | 031af165b1cd295ef04d2bfbcae9bc3cb9180735 (diff) | |
| parent | 167e33c32845a30368463dac5a4fe2be5edcc34a (diff) | |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Do no try to schedule task events if there are none
lockdep, kmemcheck: Annotate ->lock in lockdep_init_map()
perf header: Use event_name() to get an event name
perf stat: Failure with "Operation not supported"
| -rw-r--r-- | kernel/events/core.c | 4 | ||||
| -rw-r--r-- | kernel/lockdep.c | 8 | ||||
| -rw-r--r-- | tools/perf/builtin-stat.c | 3 | ||||
| -rw-r--r-- | tools/perf/util/header.c | 2 |
4 files changed, 12 insertions, 5 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 600c1629b64d..d3b9df5962c2 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -2174,11 +2174,11 @@ static void perf_event_context_sched_in(struct perf_event_context *ctx, */ cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE); - perf_event_sched_in(cpuctx, ctx, task); - if (ctx->nr_events) cpuctx->task_ctx = ctx; + perf_event_sched_in(cpuctx, cpuctx->task_ctx, task); + perf_pmu_enable(ctx->pmu); perf_ctx_unlock(cpuctx, ctx); diff --git a/kernel/lockdep.c b/kernel/lockdep.c index e69434b070da..b2e08c932d91 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -44,6 +44,7 @@ #include <linux/stringify.h> #include <linux/bitops.h> #include <linux/gfp.h> +#include <linux/kmemcheck.h> #include <asm/sections.h> @@ -2948,7 +2949,12 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this, void lockdep_init_map(struct lockdep_map *lock, const char *name, struct lock_class_key *key, int subclass) { - memset(lock, 0, sizeof(*lock)); + int i; + + kmemcheck_mark_initialized(lock, sizeof(*lock)); + + for (i = 0; i < NR_LOCKDEP_CACHING_CLASSES; i++) + lock->class_cache[i] = NULL; #ifdef CONFIG_LOCK_STAT lock->cpu = raw_smp_processor_id(); diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 7d98676808d8..955930e0a5c3 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -463,7 +463,8 @@ static int run_perf_stat(int argc __used, const char **argv) list_for_each_entry(counter, &evsel_list->entries, node) { if (create_perf_stat_counter(counter, first) < 0) { - if (errno == EINVAL || errno == ENOSYS || errno == ENOENT) { + if (errno == EINVAL || errno == ENOSYS || + errno == ENOENT || errno == EOPNOTSUPP) { if (verbose) ui__warning("%s event is not supported by the kernel.\n", event_name(counter)); diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index bcd05d05b4f0..33c17a2b2a81 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -388,7 +388,7 @@ static int write_event_desc(int fd, struct perf_header *h __used, /* * write event string as passed on cmdline */ - ret = do_write_string(fd, attr->name); + ret = do_write_string(fd, event_name(attr)); if (ret < 0) return ret; /* |