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| author | Jason Baron <jbaron@redhat.com> | 2009-08-10 20:52:53 (GMT) |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-08-11 18:35:28 (GMT) |
| commit | 64c12e0444fcc6b75eb49144ba46d43dbdc6bc8f (patch) | |
| tree | 8fe7b546fe787061fca8f97ed2051f40f9b16a57 /arch/x86/kernel/ftrace.c | |
| parent | fb34a08c3469b2be9eae626ccb96476b4687b810 (diff) | |
| download | linux-64c12e0444fcc6b75eb49144ba46d43dbdc6bc8f.tar.xz | |
tracing: Add individual syscalls tracepoint id support
The current state of syscalls tracepoints generates only one event id
for every syscall events.
This patch associates an id with each syscall trace event, so that we
can identify each syscall trace event using the 'perf' tool.
Signed-off-by: Jason Baron <jbaron@redhat.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Jiaying Zhang <jiayingz@google.com>
Cc: Martin Bligh <mbligh@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'arch/x86/kernel/ftrace.c')
| -rw-r--r-- | arch/x86/kernel/ftrace.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 0d93d40..3cff121 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -516,6 +516,16 @@ int syscall_name_to_nr(char *name) return -1; } +void set_syscall_enter_id(int num, int id) +{ + syscalls_metadata[num]->enter_id = id; +} + +void set_syscall_exit_id(int num, int id) +{ + syscalls_metadata[num]->exit_id = id; +} + static int __init arch_init_ftrace_syscalls(void) { int i; |