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hw/qxl: qxl_send_events: nop if stopped

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Added a trace point for easy logging.

RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=870972

Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Alon Levy 2012-11-01 14:56:00 +02:00 committed by Gerd Hoffmann
parent 48f4ba671b
commit 511aefb0c6
2 changed files with 8 additions and 1 deletions
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8
hw/qxl.c
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@ -1701,7 +1701,13 @@ static void qxl_send_events(PCIQXLDevice *d, uint32_t events)
uint32_t le_events = cpu_to_le32(events);
trace_qxl_send_events(d->id, events);
assert(qemu_spice_display_is_running(&d->ssd));
if (!qemu_spice_display_is_running(&d->ssd)) {
/* spice-server tracks guest running state and should not do this */
fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n",
__func__);
trace_qxl_send_events_vm_stopped(d->id, events);
return;
}
old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events);
if ((old_pending & le_events) == le_events) {
return;

1
trace-events
View File

@ -1001,6 +1001,7 @@ qxl_spice_update_area(int qid, uint32_t surface_id, uint32_t left, uint32_t righ
qxl_spice_update_area_rest(int qid, uint32_t num_dirty_rects, uint32_t clear_dirty_region) "%d #d=%d clear=%d"
qxl_surfaces_dirty(int qid, int surface, int offset, int size) "%d surface=%d offset=%d size=%d"
qxl_send_events(int qid, uint32_t events) "%d %d"
qxl_send_events_vm_stopped(int qid, uint32_t events) "%d %d"
qxl_set_guest_bug(int qid) "%d"
qxl_interrupt_client_monitors_config(int qid, int num_heads, void *heads) "%d %d %p"
qxl_client_monitors_config_unsupported_by_guest(int qid, uint32_t int_mask, void *client_monitors_config) "%d %X %p"