X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-events.c;h=6e16cf2548f04087ec3d1b6805736d3da1f179b5;hb=37dddb65504eff070a64fb4a8f1c56ee81c3173c;hp=9380e9ceb688b9b46df58122d7cc3a47c14421b3;hpb=246be17ec5a99beae7cc40eede54b4958958d8fb;p=lttng-ust.git diff --git a/liblttng-ust/lttng-events.c b/liblttng-ust/lttng-events.c index 9380e9ce..6e16cf25 100644 --- a/liblttng-ust/lttng-events.c +++ b/liblttng-ust/lttng-events.c @@ -54,6 +54,7 @@ #include "tracepoint-internal.h" #include "lttng-tracer.h" #include "lttng-tracer-core.h" +#include "lttng-ust-baddr.h" #include "wait.h" #include "../libringbuffer/shm.h" #include "jhash.h" @@ -77,6 +78,11 @@ void ust_unlock(void) static CDS_LIST_HEAD(sessions); +struct cds_list_head *_lttng_get_sessions(void) +{ + return &sessions; +} + static void _lttng_event_destroy(struct lttng_event *event); static @@ -676,18 +682,27 @@ int lttng_fix_pending_events(void) } /* - * Called after session enable: For each session, execute pending statedumps. + * For each session of the owner thread, execute pending statedump. + * Only dump state for the sessions owned by the caller thread, because + * we don't keep ust_lock across the entire iteration. */ -int lttng_handle_pending_statedumps(t_statedump_func_ptr statedump_func_ptr) +int lttng_handle_pending_statedump(void *owner) { struct lttng_session *session; + /* Execute state dump */ + lttng_ust_baddr_statedump(owner); + + /* Clear pending state dump */ + ust_lock(); cds_list_for_each_entry(session, &sessions, node) { - if (session->statedump_pending) { - session->statedump_pending = 0; - statedump_func_ptr(session); - } + if (session->owner != owner) + continue; + if (!session->statedump_pending) + continue; + session->statedump_pending = 0; } + ust_unlock(); return 0; }