diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/tracing/rtla/src/timerlat_hist.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c index 8b66387e5f35..f1edf1c8a7b0 100644 --- a/tools/tracing/rtla/src/timerlat_hist.c +++ b/tools/tracing/rtla/src/timerlat_hist.c @@ -1131,9 +1131,12 @@ out_err: } static int stop_tracing; +static struct trace_instance *hist_inst = NULL; static void stop_hist(int sig) { stop_tracing = 1; + if (hist_inst) + trace_instance_stop(hist_inst); } /* @@ -1180,6 +1183,12 @@ int timerlat_hist_main(int argc, char *argv[]) } trace = &tool->trace; + /* + * Save trace instance into global variable so that SIGINT can stop + * the timerlat tracer. + * Otherwise, rtla could loop indefinitely when overloaded. + */ + hist_inst = trace; retval = enable_timerlat(trace); if (retval) { @@ -1348,7 +1357,7 @@ int timerlat_hist_main(int argc, char *argv[]) return_value = 0; - if (trace_is_off(&tool->trace, &record->trace)) { + if (trace_is_off(&tool->trace, &record->trace) && !stop_tracing) { printf("rtla timerlat hit stop tracing\n"); if (!params->no_aa) |