lttng_add_context(handle, &kctxcomm, NULL, NULL);
kctxtid.ctx = LTTNG_EVENT_CONTEXT_TID;
lttng_add_context(handle, &kctxtid, NULL, NULL);
+ kctxpid.ctx = LTTNG_EVENT_CONTEXT_VPID;
+ lttng_add_context(handle, &kctxpid, NULL, NULL);
+ kctxtid.ctx = LTTNG_EVENT_CONTEXT_VTID;
+ lttng_add_context(handle, &kctxtid, NULL, NULL);
if ((ret = lttng_start_tracing("test")) < 0) {
fprintf(stderr,"error starting tracing : %s\n",