SoW-2020-0002: Trace Hit Counters: trigger error reporting integration

[lttng-tools.git] / doc / examples / trigger-on-event / performance / producer.c

diff --git a/doc/examples/trigger-on-event/performance/producer.c b/doc/examples/trigger-on-event/performance/producer.c
new file mode 100644 (file)
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+++ b/doc/examples/trigger-on-event/performance/producer.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2020 Jonathan Rajotte-Julien <jonathan.rajotte-julein@efficios.com>
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+#include "performance.h"
+
+#include <lttng/tracepoint.h>
+
+#include <lttng/condition/event-rule.h>
+#include <lttng/lttng.h>
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+#include <assert.h>
+
+int main(int argc, char **argv)
+{
+       int ret = 0;
+       int nb_hit;
+       int id;
+       long long sleep_ms;
+       struct timespec sleep_time;
+       struct timespec sleep_rm;
+
+       if (argc != 4) {
+               fprintf(stderr, "Missing unique_id\n");
+               fprintf(stderr, "Missing number of event \n");
+               fprintf(stderr, "Missing delay between event in ms \n");
+               fprintf(stderr, "Usage: producer id bn_event delay_ms\n");
+               ret = 1;
+               goto end;
+       }
+       
+       id = atoi(argv[1]);
+       nb_hit = atoi(argv[2]);
+       sleep_ms = atoll(argv[3]);
+
+       sleep_time.tv_sec = sleep_ms / 1000;
+       sleep_time.tv_nsec = (sleep_ms % 1000) * 1000000;
+
+       for (int i = 0; i < nb_hit; i++) {
+               tracepoint(performance, hit, 0, i);
+               nanosleep(&sleep_time, &sleep_rm);
+       }
+
+end:
+       return !!ret;
+}