diff options
| -rw-r--r-- | src/cyclictest/cyclictest.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c index df3db2a..5834f4e 100644 --- a/src/cyclictest/cyclictest.c +++ b/src/cyclictest/cyclictest.c @@ -527,6 +527,19 @@ static int settracer(char *tracer) return -1; } +static void open_tracemark_fd(void) +{ + char path[MAX_PATH]; + + if (tracemark_fd >= 0) + return; + + sprintf(path, "%s/%s", fileprefix, "trace_marker"); + tracemark_fd = open(path, O_WRONLY); + if (tracemark_fd < 0) + warn("unable to open trace_marker file: %s\n", path); +} + static void setup_tracer(void) { if (!tracelimit || notrace) @@ -655,14 +668,7 @@ static void setup_tracer(void) fatal("unable to open %s for tracing", path); } - /* open the tracemark file descriptor */ - if (tracemark_fd == -1) { - char path[MAX_PATH]; - strcat(strcpy(path, fileprefix), "trace_marker"); - if ((tracemark_fd = open(path, O_WRONLY)) == -1) - warn("unable to open trace_marker file: %s\n", path); - } - + open_tracemark_fd(); } else { setkernvar("trace_all_cpus", "1"); setkernvar("trace_freerunning", "1"); |