X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fevent.c;h=38cbe7925cab09e1ec6b78c910e99432aa5c5ca4;hp=8cca21391d43dd9b20b877bc920e14d10c1a348e;hb=b1e7fe2d0294fc0a37152f2bdbeb48958dadbedb;hpb=700c5a9d4dc7b552926b8ddcbba91cc13312aba0 diff --git a/src/bin/lttng-sessiond/event.c b/src/bin/lttng-sessiond/event.c index 8cca21391..38cbe7925 100644 --- a/src/bin/lttng-sessiond/event.c +++ b/src/bin/lttng-sessiond/event.c @@ -353,6 +353,57 @@ error: return ret; } +/* + * Disable all UST tracepoints for a channel from a UST session. + */ +int event_ust_disable_all_tracepoints(struct ltt_ust_session *usess, + struct ltt_ust_channel *uchan) +{ + int ret, i, size; + struct lttng_ht_iter iter; + struct ltt_ust_event *uevent = NULL; + struct lttng_event *events = NULL; + + assert(usess); + assert(uchan); + + rcu_read_lock(); + + /* Disabling existing events */ + cds_lfht_for_each_entry(uchan->events->ht, &iter.iter, uevent, + node.node) { + if (uevent->enabled == 1) { + ret = event_ust_disable_tracepoint(usess, uchan, + uevent->attr.name); + if (ret < 0) { + continue; + } + } + } + + /* Get all UST available events */ + size = ust_app_list_events(&events); + if (size < 0) { + ret = LTTNG_ERR_UST_LIST_FAIL; + goto error; + } + + for (i = 0; i < size; i++) { + ret = event_ust_disable_tracepoint(usess, uchan, + events[i].name); + if (ret != LTTNG_OK) { + /* Continue to disable the rest... */ + continue; + } + } + + ret = LTTNG_OK; +error: + rcu_read_unlock(); + free(events); + return ret; +} + /* * Enable all agent event for a given UST session. *