Messages in this thread Patch in this message | | | Date | Wed, 16 Mar 2011 17:17:08 -0700 (PDT) | From | David Rientjes <> | Subject | [patch] trace: fix branch profiling location in debugfs |
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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.
Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: David Rientjes <rientjes@google.com> --- kernel/trace/Kconfig | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig --- 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.
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