X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fshm.c;h=7f6040c4b65360c67df2a7b072ca47e66438705f;hb=768102358c0646342496b2b07b4518e0d5258b6f;hp=432d07ecea5eb4462d36a6a4727737532e97791f;hpb=f11e84c2c33f6e2f4da8436012bcc61b3291b0d7;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/shm.c b/src/bin/lttng-sessiond/shm.c
index 432d07ece..7f6040c4b 100644
--- a/src/bin/lttng-sessiond/shm.c
+++ b/src/bin/lttng-sessiond/shm.c
@@ -28,6 +28,8 @@
 
 #include <common/error.h>
 
+#include "benchmark.h"
+#include "measures.h"
 #include "shm.h"
 
 /*
@@ -43,6 +45,8 @@ static int get_wait_shm(char *shm_path, size_t mmap_size, int global)
 	int wait_shm_fd, ret;
 	mode_t mode;
 
+	tracepoint(ust_notify_perms_start);
+
 	/* Default permissions */
 	mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP;
 
@@ -88,6 +92,9 @@ static int get_wait_shm(char *shm_path, size_t mmap_size, int global)
 	 */
 	umask(~mode);
 
+	tracepoint(ust_notify_perms_stop);
+
+	tracepoint(ust_notify_shm_start);
 	/*
 	 * Try creating shm (or get rw access). We don't do an exclusive open,
 	 * because we allow other processes to create+ftruncate it concurrently.
@@ -114,6 +121,8 @@ static int get_wait_shm(char *shm_path, size_t mmap_size, int global)
 #warning "FreeBSD does not support setting file mode on shm FD. Remember that for secure use, lttng-sessiond should be started before applications linked on lttng-ust."
 #endif
 
+	tracepoint(ust_notify_shm_stop);
+
 	DBG("Got the wait shm fd %d", wait_shm_fd);
 
 	return wait_shm_fd;
@@ -143,9 +152,12 @@ char *shm_ust_get_mmap(char *shm_path, int global)
 		goto error;
 	}
 
+	tracepoint(ust_notify_mmap_start);
+
 	wait_shm_mmap = mmap(NULL, mmap_size, PROT_WRITE | PROT_READ,
 			MAP_SHARED, wait_shm_fd, 0);
 
+	tracepoint(ust_notify_mmap_stop);
 	/* close shm fd immediately after taking the mmap reference */
 	ret = close(wait_shm_fd);
 	if (ret) {