A function added by the next commit will want to call
this code too.
Signed-off-by: Luiz Capitulino <lcapitulino@xxxxxxxxxx>
---
src/cyclictest/cyclictest.c | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c
index 4e80831..65f2aec 100644
--- a/src/cyclictest/cyclictest.c
+++ b/src/cyclictest/cyclictest.c
@@ -532,6 +532,19 @@ static void debugfs_prepare(void)
fileprefix = procfileprefix;
}
+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)
@@ -647,14 +660,7 @@ 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");
--
2.1.0
--
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