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author | Ingo Molnar <mingo@elte.hu> | 2011-01-09 10:42:21 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-01-09 10:42:21 +0100 |
commit | 4385428a477559b26736cc3c80d8b68f31126c71 (patch) | |
tree | 8eb0cbc78e79c368687fa13a1e0674ae537f830f /kernel/trace | |
parent | 047a3772feaae8e43d81d790f3d3f80dae8ae676 (diff) | |
parent | 2d75af2f2a7a6103a6d539a492fe81deacabde44 (diff) | |
download | linux-4385428a477559b26736cc3c80d8b68f31126c71.tar.bz2 |
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent
Diffstat (limited to 'kernel/trace')
-rw-r--r-- | kernel/trace/Makefile | 2 | ||||
-rw-r--r-- | kernel/trace/trace.c | 6 | ||||
-rw-r--r-- | kernel/trace/trace_selftest.c | 2 |
3 files changed, 4 insertions, 6 deletions
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 53f338190b26..761c510a06c5 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -52,7 +52,7 @@ obj-$(CONFIG_EVENT_TRACING) += trace_event_perf.o endif obj-$(CONFIG_EVENT_TRACING) += trace_events_filter.o obj-$(CONFIG_KPROBE_EVENT) += trace_kprobe.o -obj-$(CONFIG_EVENT_TRACING) += power-traces.o +obj-$(CONFIG_TRACEPOINTS) += power-traces.o ifeq ($(CONFIG_TRACING),y) obj-$(CONFIG_KGDB_KDB) += trace_kdb.o endif diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index f8cf959bad45..dc53ecb80589 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1313,12 +1313,10 @@ ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, int pc) __this_cpu_inc(user_stack_count); - - event = trace_buffer_lock_reserve(buffer, TRACE_USER_STACK, sizeof(*entry), flags, pc); if (!event) - return; + goto out_drop_count; entry = ring_buffer_event_data(event); entry->tgid = current->tgid; @@ -1333,8 +1331,8 @@ ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, int pc) if (!filter_check_discard(call, entry, buffer, event)) ring_buffer_unlock_commit(buffer, event); + out_drop_count: __this_cpu_dec(user_stack_count); - out: preempt_enable(); } diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index 155a415b3209..562c56e048fd 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -558,7 +558,7 @@ trace_selftest_startup_nop(struct tracer *trace, struct trace_array *tr) static int trace_wakeup_test_thread(void *data) { /* Make this a RT thread, doesn't need to be too high */ - struct sched_param param = { .sched_priority = 5 }; + static struct sched_param param = { .sched_priority = 5 }; struct completion *x = data; sched_setscheduler(current, SCHED_FIFO, ¶m); |