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authorFrederic Weisbecker <fweisbec@gmail.com>2009-03-07 05:52:59 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-13 06:25:43 +0100
commitee08c6eccb7d1295516f7cf420fddf7b14e9146f (patch)
treeec6d209e47bb1a8910d16c1c8b4ea65959850689 /kernel/trace/Kconfig
parent4c6ed8f496fe89ff81b3d6e617a531bedfb613e4 (diff)
downloadop-kernel-dev-ee08c6eccb7d1295516f7cf420fddf7b14e9146f.zip
op-kernel-dev-ee08c6eccb7d1295516f7cf420fddf7b14e9146f.tar.gz
tracing/ftrace: syscall tracing infrastructure, basics
Provide basic callbacks to do syscall tracing. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> LKML-Reference: <1236401580-5758-2-git-send-email-fweisbec@gmail.com> [ simplified it to a trace_printk() for now. ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/Kconfig')
-rw-r--r--kernel/trace/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 8e4a2a6..95a0ad1 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -34,6 +34,9 @@ config HAVE_FTRACE_MCOUNT_RECORD
config HAVE_HW_BRANCH_TRACER
bool
+config HAVE_FTRACE_SYSCALLS
+ bool
+
config TRACER_MAX_TRACE
bool
@@ -175,6 +178,13 @@ config EVENT_TRACER
allowing the user to pick and choose which trace point they
want to trace.
+config FTRACE_SYSCALLS
+ bool "Trace syscalls"
+ depends on HAVE_FTRACE_SYSCALLS
+ select TRACING
+ help
+ Basic tracer to catch the syscall entry and exit events.
+
config BOOT_TRACER
bool "Trace boot initcalls"
select TRACING
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