X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon.c;h=df2ef7a4d376a395587815939dc224fa1926cab9;hb=3ba84bed69e8eb8e6794a7250da97406dbbe02c2;hp=f628ed56d5961673017aef03c3f256913b23f080;hpb=d67167cde319ac9d257f5b59b5a4664e558f4cb4;p=lttngtop.git

diff --git a/src/common.c b/src/common.c
index f628ed5..df2ef7a 100644
--- a/src/common.c
+++ b/src/common.c
@@ -10,19 +10,19 @@
  * 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., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
+ * 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.
  */
 
+#include <babeltrace/ctf/events.h>
 #include <stdlib.h>
 #include <string.h>
 #include "common.h"
 
-uint64_t get_cpu_id(struct bt_ctf_event *event)
+uint64_t get_cpu_id(const struct bt_ctf_event *event)
 {
-	struct definition *scope;
+	const struct definition *scope;
 	uint64_t cpu_id;
 
 	scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT);
@@ -35,6 +35,70 @@ uint64_t get_cpu_id(struct bt_ctf_event *event)
 	return cpu_id;
 }
 
+uint64_t get_context_tid(const struct bt_ctf_event *event)
+{
+	const struct definition *scope;
+	uint64_t tid;
+
+	scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+	tid = bt_ctf_get_int64(bt_ctf_get_field(event,
+				scope, "_tid"));
+	if (bt_ctf_field_get_error()) {
+		fprintf(stderr, "Missing tid context info\n");
+		return -1ULL;
+	}
+
+	return tid;
+}
+
+uint64_t get_context_pid(const struct bt_ctf_event *event)
+{
+	const struct definition *scope;
+	uint64_t pid;
+
+	scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+	pid = bt_ctf_get_int64(bt_ctf_get_field(event,
+				scope, "_pid"));
+	if (bt_ctf_field_get_error()) {
+		fprintf(stderr, "Missing pid context info\n");
+		return -1ULL;
+	}
+
+	return pid;
+}
+
+uint64_t get_context_ppid(const struct bt_ctf_event *event)
+{
+	const struct definition *scope;
+	uint64_t ppid;
+
+	scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+	ppid = bt_ctf_get_int64(bt_ctf_get_field(event,
+				scope, "_ppid"));
+	if (bt_ctf_field_get_error()) {
+		fprintf(stderr, "Missing ppid context info\n");
+		return -1ULL;
+	}
+
+	return ppid;
+}
+
+char *get_context_comm(const struct bt_ctf_event *event)
+{
+	const struct definition *scope;
+	char *comm;
+
+	scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+	comm = bt_ctf_get_char_array(bt_ctf_get_field(event,
+				scope, "_procname"));
+	if (bt_ctf_field_get_error()) {
+		fprintf(stderr, "Missing comm context info\n");
+		return NULL;
+	}
+
+	return comm;
+}
+
 struct processtop *find_process_tid(struct lttngtop *ctx, int tid, char *comm)
 {
 	gint i;