diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 08:35:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 08:35:04 -0700 |
| commit | 752f114fb83c5839de37a250b4f8257ed5438341 (patch) | |
| tree | c565c3b6670d21ad7f5cd6cdda5864a76d3f2e0c /kernel/trace/ring_buffer_benchmark.c | |
| parent | b8ae30ee26d379db436b0b8c8c3ff1b52f69e5d1 (diff) | |
| parent | ad56b0797e67df5e04b2f1a1e02900145c5c16f2 (diff) | |
Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
tracing: Fix "integer as NULL pointer" warning.
tracing: Fix tracepoint.h DECLARE_TRACE() to allow more than one header
tracing: Make the documentation clear on trace_event boot option
ring-buffer: Wrap open-coded WARN_ONCE
tracing: Convert nop macros to static inlines
tracing: Fix sleep time function profiling
tracing: Show sample std dev in function profiling
tracing: Add documentation for trace commands mod, traceon/traceoff
ring-buffer: Make benchmark handle missed events
ring-buffer: Make non-consuming read less expensive with lots of cpus.
tracing: Add graph output support for irqsoff tracer
tracing: Have graph flags passed in to ouput functions
tracing: Add ftrace events for graph tracer
tracing: Dump either the oops's cpu source or all cpus buffers
tracing: Fix uninitialized variable of tracing/trace output
Diffstat (limited to 'kernel/trace/ring_buffer_benchmark.c')
| -rw-r--r-- | kernel/trace/ring_buffer_benchmark.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/ring_buffer_benchmark.c b/kernel/trace/ring_buffer_benchmark.c index dc56556b55a2..302f8a614635 100644 --- a/kernel/trace/ring_buffer_benchmark.c +++ b/kernel/trace/ring_buffer_benchmark.c @@ -113,7 +113,8 @@ static enum event_status read_page(int cpu) ret = ring_buffer_read_page(buffer, &bpage, PAGE_SIZE, cpu, 1); if (ret >= 0) { rpage = bpage; - commit = local_read(&rpage->commit); + /* The commit may have missed event flags set, clear them */ + commit = local_read(&rpage->commit) & 0xfffff; for (i = 0; i < commit && !kill_test; i += inc) { if (i >= (PAGE_SIZE - offsetof(struct rb_page, data))) { |