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Diffstat (limited to 'kernel/tools/perf/util/thread-stack.c')
-rw-r--r--kernel/tools/perf/util/thread-stack.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/kernel/tools/perf/util/thread-stack.c b/kernel/tools/perf/util/thread-stack.c
index 9ed59a452..679688e70 100644
--- a/kernel/tools/perf/util/thread-stack.c
+++ b/kernel/tools/perf/util/thread-stack.c
@@ -219,7 +219,7 @@ static int thread_stack__call_return(struct thread *thread,
return crp->process(&cr, crp->data);
}
-static int thread_stack__flush(struct thread *thread, struct thread_stack *ts)
+static int __thread_stack__flush(struct thread *thread, struct thread_stack *ts)
{
struct call_return_processor *crp = ts->crp;
int err;
@@ -242,6 +242,14 @@ static int thread_stack__flush(struct thread *thread, struct thread_stack *ts)
return 0;
}
+int thread_stack__flush(struct thread *thread)
+{
+ if (thread->ts)
+ return __thread_stack__flush(thread, thread->ts);
+
+ return 0;
+}
+
int thread_stack__event(struct thread *thread, u32 flags, u64 from_ip,
u64 to_ip, u16 insn_len, u64 trace_nr)
{
@@ -264,7 +272,7 @@ int thread_stack__event(struct thread *thread, u32 flags, u64 from_ip,
*/
if (trace_nr != thread->ts->trace_nr) {
if (thread->ts->trace_nr)
- thread_stack__flush(thread, thread->ts);
+ __thread_stack__flush(thread, thread->ts);
thread->ts->trace_nr = trace_nr;
}
@@ -297,7 +305,7 @@ void thread_stack__set_trace_nr(struct thread *thread, u64 trace_nr)
if (trace_nr != thread->ts->trace_nr) {
if (thread->ts->trace_nr)
- thread_stack__flush(thread, thread->ts);
+ __thread_stack__flush(thread, thread->ts);
thread->ts->trace_nr = trace_nr;
}
}
@@ -305,7 +313,7 @@ void thread_stack__set_trace_nr(struct thread *thread, u64 trace_nr)
void thread_stack__free(struct thread *thread)
{
if (thread->ts) {
- thread_stack__flush(thread, thread->ts);
+ __thread_stack__flush(thread, thread->ts);
zfree(&thread->ts->stack);
zfree(&thread->ts);
}
@@ -689,7 +697,7 @@ int thread_stack__process(struct thread *thread, struct comm *comm,
/* Flush stack on exec */
if (ts->comm != comm && thread->pid_ == thread->tid) {
- err = thread_stack__flush(thread, ts);
+ err = __thread_stack__flush(thread, ts);
if (err)
return err;
ts->comm = comm;