diff options
Diffstat (limited to 'tools/tracing/rtla/src/trace.c')
| -rw-r--r-- | tools/tracing/rtla/src/trace.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/tracing/rtla/src/trace.c b/tools/tracing/rtla/src/trace.c index 8249ec4d77cc..5784c9f9e570 100644 --- a/tools/tracing/rtla/src/trace.c +++ b/tools/tracing/rtla/src/trace.c @@ -516,3 +516,22 @@ void trace_events_destroy(struct trace_instance *instance, trace_events_disable(instance, events); trace_events_free(events); } + +int trace_is_off(struct trace_instance *tool, struct trace_instance *trace) +{ + /* + * The tool instance is always present, it is the one used to collect + * data. + */ + if (!tracefs_trace_is_on(tool->inst)) + return 1; + + /* + * The trace instance is only enabled when -t is set. IOW, when the system + * is tracing. + */ + if (trace && !tracefs_trace_is_on(trace->inst)) + return 1; + + return 0; +} |