From: David Rientjes <rientjes@google.com> Date: Thu, 17 Mar 2011 00:17:08 +0000 (-0700) Subject: trace, documentation: Fix branch profiling location in debugfs X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=13e5befaddcf8d542ae45610b552105490a0010b;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git 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> --- diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 14674dce77a..61d7d59f4a1 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.