[Qemu-devel] [PULL 64/65] slirp: Mark debugging calls as unlikely

Samuel Thibault posted 65 patches 6 years, 9 months ago
Maintainers: Samuel Thibault <samuel.thibault@ens-lyon.org>, Paolo Bonzini <pbonzini@redhat.com>, Li Zhijian <lizhijian@cn.fujitsu.com>, Zhang Chen <zhangckid@gmail.com>, Jason Wang <jasowang@redhat.com>, Jan Kiszka <jan.kiszka@siemens.com>
[Qemu-devel] [PULL 64/65] slirp: Mark debugging calls as unlikely
Posted by Samuel Thibault 6 years, 9 months ago
to get them out of the hot path.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 slirp/debug.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/slirp/debug.h b/slirp/debug.h
index 25a5d59439..269d97d807 100644
--- a/slirp/debug.h
+++ b/slirp/debug.h
@@ -15,25 +15,25 @@
 extern int slirp_debug;
 
 #define DEBUG_CALL(fmt, ...) do {               \
-    if (slirp_debug & DBG_CALL) {               \
+    if (G_UNLIKELY(slirp_debug & DBG_CALL)) {   \
         g_debug(fmt "...", ##__VA_ARGS__);      \
     }                                           \
 } while (0)
 
 #define DEBUG_ARG(fmt, ...) do {                \
-    if (slirp_debug & DBG_CALL) {               \
+    if (G_UNLIKELY(slirp_debug & DBG_CALL)) {   \
         g_debug(" " fmt, ##__VA_ARGS__);        \
     }                                           \
 } while (0)
 
 #define DEBUG_MISC(fmt, ...) do {               \
-    if (slirp_debug & DBG_MISC) {               \
+    if (G_UNLIKELY(slirp_debug & DBG_MISC)) {   \
         g_debug(fmt, ##__VA_ARGS__);            \
     }                                           \
 } while (0)
 
 #define DEBUG_ERROR(fmt, ...) do {              \
-    if (slirp_debug & DBG_ERROR) {              \
+    if (G_UNLIKELY(slirp_debug & DBG_ERROR)) {  \
         g_debug(fmt, ##__VA_ARGS__);            \
     }                                           \
 } while (0)
-- 
2.20.1