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| author | David Rientjes <rientjes@google.com> | 2011-03-16 17:17:08 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-17 09:10:45 +0100 |
| commit | 13e5befaddcf8d542ae45610b552105490a0010b (patch) | |
| tree | 62bf2a661bdb847221cd5fdf0107b59932230e9c /kernel | |
| parent | 38b435b16c36b0d863efcf3f07b34a6fac9873fd (diff) | |
| download | op-kernel-dev-13e5befaddcf8d542ae45610b552105490a0010b.zip op-kernel-dev-13e5befaddcf8d542ae45610b552105490a0010b.tar.gz | |
trace, documentation: Fix branch profiling location in debugfs
The debugfs interface for branch profiling is through
/sys/kernel/debug/tracing/trace_stat/branch_annotated
/sys/kernel/debug/tracing/trace_stat/branch_all
so update the Kconfig accordingly.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <alpine.DEB.2.00.1103161716320.11407@chino.kir.corp.google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/Kconfig | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 14674dc..61d7d59f 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -275,7 +275,7 @@ config PROFILE_ANNOTATED_BRANCHES This tracer profiles all the the likely and unlikely macros in the kernel. It will display the results in: - /sys/kernel/debug/tracing/profile_annotated_branch + /sys/kernel/debug/tracing/trace_stat/branch_annotated Note: this will add a significant overhead; only turn this on if you need to profile the system's use of these macros. @@ -288,7 +288,7 @@ config PROFILE_ALL_BRANCHES taken in the kernel is recorded whether it hit or miss. The results will be displayed in: - /sys/kernel/debug/tracing/profile_branch + /sys/kernel/debug/tracing/trace_stat/branch_all This option also enables the likely/unlikely profiler. |
