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replay: do not wake up loop too much

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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@redhat.com>
Acked-by: Pavel Grunt <pgrunt@redhat.com>
This commit is contained in:
Frediano Ziglio 2016-01-21 13:47:23 +00:00
parent a68d9a3100
commit 1ad571f576
1 changed files with 4 additions and 1 deletions
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5
server/tests/replay.c
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@ -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;
}