[PATCH v2] replay: do not wake up loop too much

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Send wakeups only when a command is available.
This emulate better what a guest driver should do (append the command
to the ring and then signal).

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/tests/replay.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Changes from v2:
- use only one type of boolean.

diff --git a/server/tests/replay.c b/server/tests/replay.c
index 0c98168..c7f3f00 100644
--- a/server/tests/replay.c
+++ b/server/tests/replay.c
@@ -108,6 +108,7 @@ static void get_init_info(QXLInstance *qin, QXLDevInitInfo *info)
 static gboolean fill_queue_idle(gpointer user_data)
 {
     gboolean keep = FALSE;
+    gboolean wakeup = FALSE;
 
     while (g_async_queue_length(aqueue) < 50) {
         QXLCommandExt *cmd = spice_replay_next_cmd(replay, qxl_worker);
@@ -119,6 +120,7 @@ static gboolean fill_queue_idle(gpointer user_data)
         if (slow)
             g_usleep(slow);
 
+        wakeup = TRUE;
         g_async_queue_push(aqueue, cmd);
     }
 
@@ -132,7 +134,8 @@ end:
         }
         pthread_mutex_unlock(&mutex);
     }
-    spice_qxl_wakeup(&display_sin);
+    if (wakeup)
+        spice_qxl_wakeup(&display_sin);
 
     return keep;
 }
-- 
2.4.3

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