SoW-2020-0003: Trace Hit Counters

[lttng-tools.git] / doc / examples / map / instrumented-app.c

diff --git a/doc/examples/map/instrumented-app.c b/doc/examples/map/instrumented-app.c
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+++ b/doc/examples/map/instrumented-app.c
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+/*
+ * Copyright (C) 2021 Francis Deslauriers <francis.deslauriers@efficios.com>
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "tracepoint-incr-value-example.h"
+
+#include <lttng/tracepoint.h>
+#include <stdio.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+
+int main(int argc, char **argv)
+{
+       uint64_t i;
+
+       for (i = 0; i < UINT64_MAX; i++) {
+               char time_str[64];
+               struct timeval tv;
+               time_t the_time;
+
+               gettimeofday(&tv, NULL);
+               the_time = tv.tv_sec;
+
+               strftime(time_str, sizeof(time_str), "[%m-%d-%Y] %T",
+                               localtime(&the_time));
+               printf("%s.%ld - Tracing event \"trigger_example:my_event1\"\n",
+                               time_str, tv.tv_usec);
+
+               tracepoint(incr_value_ex, event1, i);
+               if (i % 2 == 0) {
+                       tracepoint(incr_value_ex, event2, i);
+               }
+
+               if (i % 3 == 0) {
+                       tracepoint(incr_value_ex, event3, i);
+               }
+
+               sleep(1);
+       }
+       return 0;
+}