Add basic kernel tracing tests

[lttng-tools.git] / tests / lttng / kernel_all_events_basic.c

diff --git a/tests/lttng/kernel_all_events_basic.c b/tests/lttng/kernel_all_events_basic.c
new file mode 100644 (file)
index 0000000..438dfa0
--- /dev/null
+++ b/tests/lttng/kernel_all_events_basic.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c)  2011 David Goulet <david.goulet@polymtl.ca>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * as published by the Free Software Foundation; only version 2
+ * of the License.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#define _GNU_SOURCE
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <time.h>
+
+#include <lttng/lttng.h>
+
+#include "../utils.h"
+
+int main(int argc, char **argv)
+{
+    struct lttng_handle *handle = NULL;
+    struct lttng_domain dom;
+    char *channel_name = "mychan";
+    int ret = 0;
+
+    dom.type = LTTNG_DOMAIN_KERNEL;
+
+       printf("\nTesting basic kernel tracing use case:\n");
+       printf("-----------\n");
+       /* Check if root */
+       if (getuid() != 0) {
+               printf("Root access is needed.\nPlease run 'sudo make check' -- Aborting!\n");
+               return 0;
+       }
+
+       if (argc < 2) {
+               printf("Missing session trace path\n");
+               return 1;
+       }
+
+       printf("Creating tracing session (%s): ", argv[1]);
+    if ((ret = lttng_create_session("test", argv[1])) < 0) {
+        printf("error creating the session : %s\n", lttng_get_readable_code(ret));
+               goto create_fail;
+    }
+       PRINT_OK();
+
+       printf("Creating session handle: ");
+       if ((handle = lttng_create_handle("test", &dom)) == NULL) {
+               printf("error creating handle: %s\n", lttng_get_readable_code(ret));
+               goto handle_fail;
+       }
+       PRINT_OK();
+
+       printf("Enabling all kernel events: ");
+    if ((ret = lttng_enable_event(handle, NULL, channel_name)) < 0) {
+        printf("error enabling event: %s\n", lttng_get_readable_code(ret));
+               goto enable_fail;
+    }
+       PRINT_OK();
+
+       printf("Start tracing: ");
+    if ((ret = lttng_start_tracing(handle)) < 0) {
+        printf("error starting tracing: %s\n", lttng_get_readable_code(ret));
+               goto start_fail;
+    }
+       PRINT_OK();
+
+    sleep(2);
+
+       printf("Stop tracing: ");
+       if ((ret = lttng_stop_tracing(handle)) < 0) {
+               printf("error stopping tracing: %s\n", lttng_get_readable_code(ret));
+               goto stop_fail;
+       }
+       PRINT_OK();
+
+       printf("Destroy tracing session: ");
+       if ((ret = lttng_destroy_session(handle)) < 0) {
+               printf("error destroying session: %s\n", lttng_get_readable_code(ret));
+       }
+       PRINT_OK();
+
+       return 0;
+
+create_fail:
+       assert(ret != 0);
+handle_fail:
+       assert(handle != NULL);
+
+stop_fail:
+start_fail:
+enable_fail:
+       lttng_destroy_session(handle);
+       lttng_destroy_handle(handle);
+
+    return 1;
+}