diff options
| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2014-01-14 08:52:35 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-02-20 12:13:17 -0500 |
| commit | 50512ab576e1ce29953c9259e1f36ce16f350f20 (patch) | |
| tree | 1fdc504b49e2bb9be384825f7f555b5475dc073f /kernel/trace | |
| parent | 6b450d2533e2c1c71fbe7f1bdce0bb1c9f813030 (diff) | |
| download | linux-50512ab576e1ce29953c9259e1f36ce16f350f20.tar.gz | |
tracing: Convert tracer->enabled to counter
As tracers will soon be used by instances, the tracer enabled field
needs to be converted to a counter instead of a boolean.
This counter is protected by the trace_types_lock mutex.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 6 | ||||
| -rw-r--r-- | kernel/trace/trace.h | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 7d5913bb46e8..f9f22c435036 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3916,7 +3916,7 @@ static void tracing_set_nop(struct trace_array *tr) if (tr->current_trace == &nop_trace) return; - tr->current_trace->enabled = false; + tr->current_trace->enabled--; if (tr->current_trace->reset) tr->current_trace->reset(tr); @@ -3962,7 +3962,7 @@ static int tracing_set_tracer(struct trace_array *tr, const char *buf) trace_branch_disable(); - tr->current_trace->enabled = false; + tr->current_trace->enabled--; if (tr->current_trace->reset) tr->current_trace->reset(tr); @@ -4006,7 +4006,7 @@ static int tracing_set_tracer(struct trace_array *tr, const char *buf) } tr->current_trace = t; - tr->current_trace->enabled = true; + tr->current_trace->enabled++; trace_branch_enable(tr); out: mutex_unlock(&trace_types_lock); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index ea51bb2004d2..86915b220bbe 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -362,8 +362,8 @@ struct tracer { u32 mask, int set); struct tracer *next; struct tracer_flags *flags; + int enabled; bool print_max; - bool enabled; bool allow_instances; #ifdef CONFIG_TRACER_MAX_TRACE bool use_max_tr; |