diff options
author | Steven Rostedt <rostedt@goodmis.org> | 2008-05-22 11:49:22 -0400 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-26 22:51:49 +0200 |
commit | 41bc8144d02028133bcd1d545023c6f49e8b2411 (patch) | |
tree | 382a6bbd0560df129c27b490aca36404edd7b19a /kernel/trace/trace_sched_switch.c | |
parent | 41c52c0db9607e59f90da7da5309489fa06e887f (diff) | |
download | op-kernel-dev-41bc8144d02028133bcd1d545023c6f49e8b2411.zip op-kernel-dev-41bc8144d02028133bcd1d545023c6f49e8b2411.tar.gz |
ftrace: fix up cmdline recording
The new work with converting the trace hooks over to markers broke the
command line recording of ftrace. This patch fixes it again.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/trace/trace_sched_switch.c')
-rw-r--r-- | kernel/trace/trace_sched_switch.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c index 798ec0d..c16935d 100644 --- a/kernel/trace/trace_sched_switch.c +++ b/kernel/trace/trace_sched_switch.c @@ -29,6 +29,9 @@ sched_switch_func(void *private, void *__rq, struct task_struct *prev, long disabled; int cpu; + tracing_record_cmdline(prev); + tracing_record_cmdline(next); + if (!tracer_enabled) return; @@ -63,8 +66,6 @@ sched_switch_callback(void *probe_data, void *call_data, prev = va_arg(*args, typeof(prev)); next = va_arg(*args, typeof(next)); - tracing_record_cmdline(prev); - /* * If tracer_switch_func only points to the local * switch func, it still needs the ptr passed to it. @@ -213,18 +214,26 @@ void tracing_stop_sched_switch(void) tracing_sched_unregister(); } +void tracing_start_cmdline_record(void) +{ + tracing_start_sched_switch(); +} + +void tracing_stop_cmdline_record(void) +{ + tracing_stop_sched_switch(); +} + static void start_sched_trace(struct trace_array *tr) { sched_switch_reset(tr); - atomic_inc(&trace_record_cmdline_enabled); tracer_enabled = 1; - tracing_start_sched_switch(); + tracing_start_cmdline_record(); } static void stop_sched_trace(struct trace_array *tr) { - tracing_stop_sched_switch(); - atomic_dec(&trace_record_cmdline_enabled); + tracing_stop_cmdline_record(); tracer_enabled = 0; } |