Implement tracef test application "gen-ust-tracef"

[lttng-tools.git] / tests / utils / testapp / gen-ust-tracef / gen-ust-tracef.c

diff --git a/tests/utils/testapp/gen-ust-tracef/gen-ust-tracef.c b/tests/utils/testapp/gen-ust-tracef/gen-ust-tracef.c
new file mode 100644 (file)
index 0000000..1c3493d
--- /dev/null
+++ b/tests/utils/testapp/gen-ust-tracef/gen-ust-tracef.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
+ * Copyright (C) - 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation; version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <assert.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <lttng/tracef.h>
+
+const char *str = "test string";
+
+void create_file(const char *path)
+{
+       int ret;
+
+       assert(path);
+
+       ret = creat(path, S_IRWXU);
+       if (ret < 0) {
+               fprintf(stderr, "Failed to create file %s\n", path);
+               return;
+       }
+
+       (void) close(ret);
+}
+
+int main(int argc, char **argv)
+{
+       int i;
+       unsigned int nr_iter = 100;
+       useconds_t nr_usec = 0;
+       char *tmp_file_path = NULL;
+
+       if (argc >= 2) {
+               nr_iter = atoi(argv[1]);
+       }
+
+       if (argc >= 3) {
+               /* By default, don't wait unless user specifies. */
+               nr_usec = atoi(argv[2]);
+       }
+
+       if (argc >= 4) {
+               tmp_file_path = argv[3];
+       }
+
+       for (i = 0; i < nr_iter; i++) {
+               tracef("Test message %d with string \"%s\"", i, str);
+
+               /*
+                * First loop we create the file if asked to indicate
+                * that at least one tracepoint has been hit.
+                */
+               if (i == 0 && tmp_file_path) {
+                       create_file(tmp_file_path);
+               }
+               usleep(nr_usec);
+       }
+
+       return 0;
+}