X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Flib%2Flttng-ust%2Flttng-context-perf-counters.c;h=233c654ca75a3237973043a46a882670f5769a0c;hb=a9fd951a21f28704ffdfd4217766f725a217208b;hp=5a7dec4aac0e900013f07f372ca69255675051c7;hpb=baa8acf3af23bc5d9373144bef8147744b5ae01f;p=lttng-ust.git diff --git a/src/lib/lttng-ust/lttng-context-perf-counters.c b/src/lib/lttng-ust/lttng-context-perf-counters.c index 5a7dec4a..233c654c 100644 --- a/src/lib/lttng-ust/lttng-context-perf-counters.c +++ b/src/lib/lttng-ust/lttng-context-perf-counters.c @@ -71,7 +71,7 @@ static pthread_key_t perf_counter_key; * lttng_perf_lock - Protect lttng-ust perf counter data structures * * Nests within the ust_lock, and therefore within the libc dl lock. - * Therefore, we need to fixup the TLS before nesting into this lock. + * Therefore, we need to allocate the TLS before nesting into this lock. * Nests inside RCU bp read-side lock. Protects against concurrent * fork. */ @@ -90,9 +90,9 @@ static int ust_perf_saved_cancelstate; static DEFINE_URCU_TLS(int, ust_perf_mutex_nest); /* - * Force a read (imply TLS fixup for dlopen) of TLS variables. + * Force a read (imply TLS allocation for dlopen) of TLS variables. */ -void lttng_ust_fixup_perf_counter_tls(void) +void lttng_ust_perf_counter_alloc_tls(void) { asm volatile ("" : : "m" (URCU_TLS(ust_perf_mutex_nest))); } @@ -161,6 +161,7 @@ void lttng_perf_unlock(void) static size_t perf_counter_get_size(void *priv __attribute__((unused)), + struct lttng_ust_probe_ctx *probe_ctx __attribute__((unused)), size_t offset) { size_t size = 0; @@ -442,8 +443,9 @@ uint64_t wrapper_perf_counter_read(void *priv) static void perf_counter_record(void *priv, - struct lttng_ust_ring_buffer_ctx *ctx, - struct lttng_ust_channel_buffer *chan) + struct lttng_ust_probe_ctx *probe_ctx __attribute__((unused)), + struct lttng_ust_ring_buffer_ctx *ctx, + struct lttng_ust_channel_buffer *chan) { uint64_t value; @@ -453,9 +455,10 @@ void perf_counter_record(void *priv, static void perf_counter_get_value(void *priv, + struct lttng_ust_probe_ctx *probe_ctx __attribute__((unused)), struct lttng_ust_ctx_value *value) { - value->u.s64 = wrapper_perf_counter_read(priv); + value->u.u64 = wrapper_perf_counter_read(priv); } /* Called with perf lock held */