From: Jan Kara <jack@suse.cz>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Jan Kara <jack@suse.cz>
Subject: [PATCH 18/18] Create config option for enabling IRQ tracepoints
Date: Tue, 23 Mar 2010 01:32:20 +0100 [thread overview]
Message-ID: <1269304340-25372-19-git-send-email-jack@suse.cz> (raw)
In-Reply-To: <1269304340-25372-1-git-send-email-jack@suse.cz>
Signed-off-by: Jan Kara <jack@suse.cz>
---
include/trace/events/irq.h | 2 ++
kernel/trace/Kconfig | 6 ++++++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index 0e4cfb6..dd9cdb7 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -1,5 +1,7 @@
#undef TRACE_SYSTEM
+#undef TRACE_CONFIG
#define TRACE_SYSTEM irq
+#define TRACE_CONFIG CONFIG_IRQ_TRACER
#if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_IRQ_H
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index abcd529..7893ea4 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -152,6 +152,10 @@ config FUNCTION_GRAPH_TRACER
address on the current task structure into a stack of calls.
+# Config option to determine whether IRQ tracepoins should be compiled
+config IRQ_TRACER
+ bool
+
config IRQSOFF_TRACER
bool "Interrupts-off Latency Tracer"
default n
@@ -161,6 +165,7 @@ config IRQSOFF_TRACER
select GENERIC_TRACER
select TRACER_MAX_TRACE
select RING_BUFFER_ALLOW_SWAP
+ select IRQ_TRACER
help
This option measures the time spent in irqs-off critical
sections, with microsecond accuracy.
@@ -183,6 +188,7 @@ config PREEMPT_TRACER
select GENERIC_TRACER
select TRACER_MAX_TRACE
select RING_BUFFER_ALLOW_SWAP
+ select IRQ_TRACER
help
This option measures the time spent in preemption-off critical
sections, with microsecond accuracy.
--
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 ` [PATCH 07/18] ext4: Provide config options for enabling ext4 and jbd2 tracing Jan Kara
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 ` Jan Kara [this message]
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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