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Document why the fd tracker is ABI without a public header
[lttng-ust.git]
/
tests
/
benchmark
/
bench.c
diff --git
a/tests/benchmark/bench.c
b/tests/benchmark/bench.c
index ec08130d764e8d5001a7836ab45ec470fa5b1fd1..1626fd2beeb7998db7a9d755cd942570689a1faf 100644
(file)
--- a/
tests/benchmark/bench.c
+++ b/
tests/benchmark/bench.c
@@
-1,37
+1,40
@@
/*
/*
- * bench.c
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * Copyright 2010 Douglas Santos <douglas.santos@polymtl.ca>
*
* LTTng Userspace Tracer (UST) - benchmark tool
*/
*
* LTTng Userspace Tracer (UST) - benchmark tool
*/
-#define _GNU_SOURCE
#include <stdio.h>
#include <pthread.h>
#include <stdlib.h>
#include <unistd.h>
#include <sched.h>
#include <stdio.h>
#include <pthread.h>
#include <stdlib.h>
#include <unistd.h>
#include <sched.h>
-#include <ust/marker.h>
+#include <time.h>
+
+#ifdef TRACING
+#define TRACEPOINT_DEFINE
+#include "ust_tests_benchmark.h"
+#endif
static int nr_cpus;
static unsigned long nr_events;
static int nr_cpus;
static unsigned long nr_events;
-pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
void do_stuff(void)
{
int v;
FILE *file;
void do_stuff(void)
{
int v;
FILE *file;
- int lock;
v = 1;
v = 1;
- lock = pthread_mutex_lock(&mutex);
- file = fopen("/tmp/bench.txt", "a");
+ file = fopen("/dev/null", "a");
fprintf(file, "%d", v);
fclose(file);
fprintf(file, "%d", v);
fclose(file);
-
lock = pthread_mutex_unlock(&mutex
);
+
time(NULL
);
-#ifdef
MARKER
- trace
_mark(ust, event, "event %d"
, v);
+#ifdef
TRACING
+ trace
point(ust_tests_benchmark, tpbench
, v);
#endif
}
#endif
}
@@
-47,7
+50,6
@@
void *function(void *arg)
return NULL;
}
return NULL;
}
-
void usage(char **argv) {
printf("Usage: %s nr_cpus nr_events\n", argv[0]);
}
void usage(char **argv) {
printf("Usage: %s nr_cpus nr_events\n", argv[0]);
}
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