X-Git-Url: https://git.lttng.org/?p=lttngtop.git;a=blobdiff_plain;f=src%2Fcommon.c;h=f628ed56d5961673017aef03c3f256913b23f080;hp=f0b7af064d6a6cd4cd954c88aff14f5d38e29e57;hb=d67167cde319ac9d257f5b59b5a4664e558f4cb4;hpb=14a97415ba61ac79cec3d315a8b31feae48cc7a5

diff --git a/src/common.c b/src/common.c
index f0b7af0..f628ed5 100644
--- a/src/common.c
+++ b/src/common.c
@@ -20,6 +20,21 @@
 #include <string.h>
 #include "common.h"
 
+uint64_t get_cpu_id(struct bt_ctf_event *event)
+{
+	struct definition *scope;
+	uint64_t cpu_id;
+
+	scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT);
+	cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(event, scope, "cpu_id"));
+	if (bt_ctf_field_get_error()) {
+		fprintf(stderr, "[error] get cpu_id\n");
+		return -1ULL;
+	}
+
+	return cpu_id;
+}
+
 struct processtop *find_process_tid(struct lttngtop *ctx, int tid, char *comm)
 {
 	gint i;