From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Frederic Weisbecker <fweisbec@gmail.com>
Subject: [PATCH 3/6] tracing/branch-profiler: do not profile managers
Date: Thu, 04 Jun 2009 01:25:43 -0400 [thread overview]
Message-ID: <20090604052613.239224761@goodmis.org> (raw)
In-Reply-To: 20090604052540.528802957@goodmis.org
[-- Attachment #1: 0003-tracing-branch-profiler-do-not-profile-managers.patch --]
[-- Type: text/plain, Size: 1073 bytes --]
From: Steven Rostedt <srostedt@redhat.com>
Currently the branch profiler does not handle modules. Do not bother
processing the code for them.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
include/linux/compiler.h | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 37bcb50..dd42294 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -75,9 +75,11 @@ struct ftrace_branch_data {
/*
* Note: DISABLE_BRANCH_PROFILING can be used by special lowlevel code
* to disable branch tracing on a per file basis.
+ * We currently do not profile modules.
*/
-#if defined(CONFIG_TRACE_BRANCH_PROFILING) \
- && !defined(DISABLE_BRANCH_PROFILING) && !defined(__CHECKER__)
+#if defined(CONFIG_TRACE_BRANCH_PROFILING) \
+ && !defined(DISABLE_BRANCH_PROFILING) && !defined(__CHECKER__) \
+ && !defined(MODULE)
void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
#define likely_notrace(x) __builtin_expect(!!(x), 1)
--
1.6.3.1
--
next prev parent reply other threads:[~2009-06-04 5:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-04 5:25 [PATCH 0/6] [GIT PULL] tracing/branch-profiler: per cpu and other things Steven Rostedt
2009-06-04 5:25 ` [PATCH 1/6] tracing/function-profiler: do not free per cpu variable stat Steven Rostedt
2009-06-04 5:25 ` [PATCH 2/6] tracing/branch-profiler: fix return value check on register_stat_tracer Steven Rostedt
2009-06-04 5:25 ` Steven Rostedt [this message]
2009-06-04 5:25 ` [PATCH 4/6] tracing/branch-profiler: move macro defines to kernel.h Steven Rostedt
2009-06-04 5:25 ` [PATCH 5/6] tracing/branch-profiling: add variable to disable branch profiling Steven Rostedt
2009-06-04 5:25 ` [PATCH 6/6] tracing/branch-profiler: add option to profile branches per cpu Steven Rostedt
2009-06-06 7:31 ` [PATCH 0/6] [GIT PULL] tracing/branch-profiler: per cpu and other things Ingo Molnar
2009-06-06 14:37 ` [PATCH] tracing/branch-tracer: PROFILE_BRANCHES_PER_CPU must depend on SMP Frederic Weisbecker
2009-06-06 14:42 ` Steven Rostedt
2009-06-06 14:56 ` Frederic Weisbecker
2009-06-07 13:44 ` Ingo Molnar
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