diff options
| -rw-r--r-- | tools/tracing/rtla/src/timerlat.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/tracing/rtla/src/timerlat.c b/tools/tracing/rtla/src/timerlat.c index de3caea433ad..f8c057518d22 100644 --- a/tools/tracing/rtla/src/timerlat.c +++ b/tools/tracing/rtla/src/timerlat.c @@ -28,12 +28,13 @@ int timerlat_apply_config(struct osnoise_tool *tool, struct timerlat_params *params) { int retval; + const char *const rtla_no_bpf = getenv("RTLA_NO_BPF"); /* * Try to enable BPF, unless disabled explicitly. * If BPF enablement fails, fall back to tracefs mode. */ - if (getenv("RTLA_NO_BPF") && strncmp(getenv("RTLA_NO_BPF"), "1", 2) == 0) { + if (rtla_no_bpf && strncmp_static(rtla_no_bpf, "1") == 0) { debug_msg("RTLA_NO_BPF set, disabling BPF\n"); params->mode = TRACING_MODE_TRACEFS; } else if (!tep_find_event_by_name(tool->trace.tep, "osnoise", "timerlat_sample")) { |