Messages in this thread Patch in this message | | | Date | Thu, 17 Mar 2011 11:04:40 GMT | From | tip-bot for David Rientjes <> | Subject | [tip:perf/urgent] trace, documentation: Fix branch profiling location in debugfs |
| |
Commit-ID: 13e5befaddcf8d542ae45610b552105490a0010b Gitweb: http://git.kernel.org/tip/13e5befaddcf8d542ae45610b552105490a0010b Author: David Rientjes <rientjes@google.com> AuthorDate: Wed, 16 Mar 2011 17:17:08 -0700 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Thu, 17 Mar 2011 09:10:45 +0100
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> --- 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.
| |