From: Jan Kara <jack@suse.cz>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Jan Kara <jack@suse.cz>, linux-ext4@vger.kernel.org
Subject: [PATCH 07/18] ext4: Provide config options for enabling ext4 and jbd2 tracing
Date: Tue, 23 Mar 2010 01:32:09 +0100 [thread overview]
Message-ID: <1269304340-25372-8-git-send-email-jack@suse.cz> (raw)
In-Reply-To: <1269304340-25372-1-git-send-email-jack@suse.cz>
CC: linux-ext4@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
---
include/trace/events/ext4.h | 2 ++
include/trace/events/jbd2.h | 2 ++
kernel/trace/Kconfig | 23 +++++++++++++++++++++++
3 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 2aa6aa3..f1ad2e3 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -1,5 +1,7 @@
#undef TRACE_SYSTEM
+#undef TRACE_CONFIG
#define TRACE_SYSTEM ext4
+#define TRACE_CONFIG CONFIG_EXT4_TRACER
#if !defined(_TRACE_EXT4_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_EXT4_H
diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h
index bf16545..37e442b 100644
--- a/include/trace/events/jbd2.h
+++ b/include/trace/events/jbd2.h
@@ -1,5 +1,7 @@
#undef TRACE_SYSTEM
+#undef TRACE_CONFIG
#define TRACE_SYSTEM jbd2
+#define TRACE_CONFIG CONFIG_JBD2_TRACER
#if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_JBD2_H
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 13e13d4..e696314 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -438,6 +438,29 @@ config BLK_DEV_IO_TRACE
If unsure, say N.
+config EXT4_TRACER
+ bool "Support for tracing EXT4 events"
+ depends on EXT4_FS
+ select GENERIC_TRACER
+ select TRACE_ANY_MODULE if EXT4_FS=m
+ help
+ Provide tracing for various functions in ext4 filesystem
+ such as block allocation, delayed allocation, or writeback
+ handling. This trace points can help with debugging allocation
+ algorithms or writeback performance.
+
+ If unsure, say N.
+
+config JBD2_TRACER
+ bool "JBD2 tracing"
+ depends on JBD2
+ select GENERIC_TRACER
+ help
+ Provide tracing for several functions in JBD2 commit and
+ checkpointing code.
+
+ If unsure, say N.
+
config KPROBE_EVENT
depends on KPROBES
depends on HAVE_REGS_AND_STACK_ACCESS_API
--
1.6.4.2
next prev parent reply other threads:[~2010-03-23 0:33 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-23 0:32 [PATCH 0/18] Allow different tracers to be compiled independently Jan Kara
2010-03-23 0:32 ` [PATCH 01/18] trace: Allow <linux/tracepoint.h> to create empty tracepoints Jan Kara
2010-03-23 1:06 ` Steven Rostedt
2010-03-26 1:30 ` Jan Kara
2010-03-23 0:32 ` [PATCH 02/18] block: Generate blktrace trace points only if blktrace is enabled Jan Kara
2010-03-23 0:32 ` [PATCH 03/18] mm: Generate kmemtrace trace points only if they are enabled Jan Kara
2010-03-23 0:32 ` [PATCH 04/18] mac80211: Generate trace points only if api tracer enabled Jan Kara
2010-03-23 1:11 ` Johannes Berg
2010-03-23 23:54 ` Steven Rostedt
2010-03-23 0:32 ` [PATCH 05/18] workqueue: Generate trace points only when workqueue " Jan Kara
2010-03-23 0:32 ` [PATCH 06/18] sched: Generate trace points only if scheduler tracing is enabled Jan Kara
2010-03-23 1:07 ` Frederic Weisbecker
2010-03-23 23:52 ` Steven Rostedt
2010-03-24 0:31 ` Frederic Weisbecker
2010-03-23 0:32 ` Jan Kara [this message]
2010-03-23 0:32 ` [PATCH 08/18] lockdep: Provide config option for enabling lock tracepoints Jan Kara
2010-03-23 0:32 ` [PATCH 09/18] module: Provide config option to enable tracing of module load / unload Jan Kara
2010-03-23 0:32 ` [PATCH 10/18] gfs2: Provide config option for enabling trace points Jan Kara
2010-03-23 12:01 ` [Cluster-devel] " Steven Whitehouse
2010-03-23 23:56 ` Steven Rostedt
2010-03-24 11:20 ` Steven Whitehouse
2010-03-24 12:09 ` Steven Rostedt
2010-03-23 0:32 ` [PATCH 11/18] i915: Provide config option for enabling tracepoints Jan Kara
2010-03-23 8:42 ` Chris Wilson
2010-03-23 0:32 ` [PATCH 12/18] timer: Provide config option for enabling timer tracepoints Jan Kara
2010-03-23 2:01 ` Thomas Gleixner
2010-03-23 3:01 ` Steven Rostedt
2010-03-23 0:32 ` [PATCH 13/18] acpi: Provide config option to enable power tracepoints Jan Kara
2010-03-23 0:32 ` [PATCH 14/18] net: Provide config option for enabling SKB tracing Jan Kara
2010-03-23 0:32 ` [PATCH 15/18] net: Provide config option for enabling NAPI tracing Jan Kara
2010-03-23 0:32 ` [PATCH 16/18] Generate empty tracepoints if syscall tracing is disabled Jan Kara
2010-03-23 0:32 ` [PATCH 17/18] kvm: Provide config option for enabling KVM trace events Jan Kara
2010-03-23 0:32 ` [PATCH 18/18] Create config option for enabling IRQ tracepoints Jan Kara
2010-03-23 1:04 ` [PATCH 0/18] Allow different tracers to be compiled independently Frederic Weisbecker
2010-03-23 3:34 ` Theodore Tso
2010-03-23 8:05 ` Ingo Molnar
2010-03-23 12:27 ` Mathieu Desnoyers
2010-03-23 13:18 ` Steven Rostedt
2010-03-26 0:20 ` Jan Kara
2010-03-26 19:09 ` Frederic Weisbecker
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