Use MAP_POPULATE to reduce pagefault when available

[lttng-ust.git] / liblttng-ust / lttng-context-vtid.c

diff --git a/liblttng-ust/lttng-context-vtid.c b/liblttng-ust/lttng-context-vtid.c
index 8c9bbec56e67324bdaeeca71893197a58b571f38..2f721fa00ad18655a700572efbc22979082493a5 100644 (file)
--- a/liblttng-ust/lttng-context-vtid.c
+++ b/liblttng-ust/lttng-context-vtid.c
@@ -34,7 +34,7 @@
  * We cache the result to ensure we don't trigger a system call for
  * each event.
  */
-static DEFINE_URCU_TLS_IE(pid_t, cached_vtid);
+static DEFINE_URCU_TLS(pid_t, cached_vtid);
 
 /*
  * Upon fork or clone, the TID assigned to our thread is not the same as
@@ -62,7 +62,7 @@ void vtid_record(struct lttng_ctx_field *field,
                 struct lttng_channel *chan)
 {
        if (caa_unlikely(!URCU_TLS(cached_vtid)))
-               URCU_TLS(cached_vtid) = gettid();
+               URCU_TLS(cached_vtid) = lttng_gettid();
        lib_ring_buffer_align_ctx(ctx, lttng_alignof(URCU_TLS(cached_vtid)));
        chan->ops->event_write(ctx, &URCU_TLS(cached_vtid),
                sizeof(URCU_TLS(cached_vtid)));
@@ -73,7 +73,7 @@ void vtid_get_value(struct lttng_ctx_field *field,
                struct lttng_ctx_value *value)
 {
        if (caa_unlikely(!URCU_TLS(cached_vtid)))
-               URCU_TLS(cached_vtid) = gettid();
+               URCU_TLS(cached_vtid) = lttng_gettid();
        value->u.s64 = URCU_TLS(cached_vtid);
 }