diff options
| author | Steven Rostedt <rostedt@goodmis.org> | 2008-05-14 23:49:44 -0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 22:43:11 +0200 |
| commit | 4e491d14f2506b218d678935c25a7027b79178b1 (patch) | |
| tree | c61c3ca40fe85f8556c579e50e0cb563ffcd06da /kernel | |
| parent | e0eca07badc023a675a61906020b397da20f07c3 (diff) | |
| download | op-kernel-dev-4e491d14f2506b218d678935c25a7027b79178b1.zip op-kernel-dev-4e491d14f2506b218d678935c25a7027b79178b1.tar.gz | |
ftrace: support for PowerPC
This patch adds full support for ftrace for PowerPC (both 64 and 32 bit).
This includes dynamic tracing and function filtering.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace_selftest.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index a5f6001..3877dd9 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -123,6 +123,7 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace, int ret; int save_ftrace_enabled = ftrace_enabled; int save_tracer_enabled = tracer_enabled; + char *func_name; /* The ftrace test PASSED */ printk(KERN_CONT "PASSED\n"); @@ -142,9 +143,15 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace, return ret; } + /* + * Some archs *cough*PowerPC*cough* add charachters to the + * start of the function names. We simply put a '*' to + * accomodate them. + */ + func_name = "*" STR(DYN_FTRACE_TEST_NAME); + /* filter only on our function */ - ftrace_set_filter(STR(DYN_FTRACE_TEST_NAME), - sizeof(STR(DYN_FTRACE_TEST_NAME)), 1); + ftrace_set_filter(func_name, strlen(func_name), 1); /* enable tracing */ tr->ctrl = 1; |
