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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-03-07 05:52:59 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-13 06:25:43 +0100 |
| commit | ee08c6eccb7d1295516f7cf420fddf7b14e9146f (patch) | |
| tree | ec6d209e47bb1a8910d16c1c8b4ea65959850689 /kernel/trace/Kconfig | |
| parent | 4c6ed8f496fe89ff81b3d6e617a531bedfb613e4 (diff) | |
| download | lwn-ee08c6eccb7d1295516f7cf420fddf7b14e9146f.tar.gz lwn-ee08c6eccb7d1295516f7cf420fddf7b14e9146f.zip | |
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/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 8e4a2a61cd75..95a0ad191f19 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 |