Signed-off-by: Juan Quintela <quint...@redhat.com>
---
block.c | 6 ++++++
cpus.c | 17 +++++++++++++++++
migration.c | 13 +++++++++++++
savevm.c | 13 +++++++++++++
4 files changed, 49 insertions(+)
diff --git a/block.c b/block.c
index 6fa7c90..c121db3 100644
--- a/block.c
+++ b/block.c
@@ -2693,9 +2693,15 @@ int bdrv_get_flags(BlockDriverState *bs)
void bdrv_flush_all(void)
{
BlockDriverState *bs;
+ int64_t start_time, end_time;
+
+ start_time = qemu_get_clock_ms(rt_clock);
QTAILQ_FOREACH(bs, &bdrv_states, list) {
bdrv_flush(bs);
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("time flush device %s: %ld\n", bs->filename,
+ end_time - start_time);
}
}
diff --git a/cpus.c b/cpus.c
index a4390c3..15534ba 100644
--- a/cpus.c
+++ b/cpus.c
@@ -439,14 +439,31 @@ bool cpu_is_stopped(CPUState *cpu)
static void do_vm_stop(RunState state)
{
+ int64_t start_time, end_time;
+
if (runstate_is_running()) {
+ start_time = qemu_get_clock_ms(rt_clock);
cpu_disable_ticks();
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("time cpu_disable_ticks %ld\n", end_time - start_time);
pause_all_vcpus();
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("time pause_all_vcpus %ld\n", end_time - start_time);
runstate_set(state);
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("time runstate_set %ld\n", end_time - start_time);
vm_state_notify(0, state);
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("time vmstate_notify %ld\n", end_time - start_time);
bdrv_drain_all();
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("time bdrv_drain_all %ld\n", end_time - start_time);
bdrv_flush_all();
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("time bdrv_flush_all %ld\n", end_time - start_time);
monitor_protocol_event(QEVENT_STOP, NULL);
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("time monitor_protocol_event %ld\n", end_time - start_time);
}
}
diff --git a/migration.c b/migration.c
index de665f7..5e965cc 100644
--- a/migration.c
+++ b/migration.c
@@ -712,12 +712,17 @@ static void *buffered_file_thread(void *opaque)
DPRINTF("done iterating\n");
start_time = qemu_get_clock_ms(rt_clock);
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("wakeup_request %ld\n", end_time - start_time);
if (old_vm_running) {
vm_stop(RUN_STATE_FINISH_MIGRATE);
} else {
vm_stop_force_state(RUN_STATE_FINISH_MIGRATE);
}
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("vm_stop %ld\n", end_time - start_time);
+
/* 8 is the size of an end of section mark, so empty section */
while ((ret = qemu_savevm_state_iterate(s->file, free_space))
> 8) {
@@ -728,15 +733,21 @@ static void *buffered_file_thread(void *opaque)
}
free_space = s->buffer_capacity - s->buffer_size;
}
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("iterate phase %ld\n", end_time - start_time);
ret = qemu_savevm_state_complete(s->file);
if (ret < 0) {
qemu_mutex_unlock_iothread();
break;
} else {
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("complete without error 3a %ld\n",
+ end_time - start_time);
migrate_fd_completed(s);
}
end_time = qemu_get_clock_ms(rt_clock);
+ printf("completed %ld\n", end_time - start_time);
s->total_time = end_time - s->total_time;
s->downtime = end_time - start_time;
if (s->state != MIG_STATE_COMPLETED) {
@@ -744,6 +755,8 @@ static void *buffered_file_thread(void *opaque)
vm_start();
}
}
+ end_time = qemu_get_clock_ms(rt_clock);
+ printf("end completed stage %ld\n", end_time - start_time);
last_round = true;
}
}
diff --git a/savevm.c b/savevm.c
index 3447f91..113c1dd 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1660,9 +1660,14 @@ int qemu_savevm_state_complete(QEMUFile *f)
{
SaveStateEntry *se;
int ret;
+ int64_t t1;
+ int64_t t0 = qemu_get_clock_ms(rt_clock);
cpu_synchronize_all_states();
+ t1 = qemu_get_clock_ms(rt_clock);
+ printf("synchronize_all_states %ld\n", t1 - t0);
+ t0 = t1;
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
if (!se->ops || !se->ops->save_live_complete) {
continue;
@@ -1683,6 +1688,11 @@ int qemu_savevm_state_complete(QEMUFile *f)
return ret;
}
}
+ t1 = qemu_get_clock_ms(rt_clock);
+
+ printf("migrate save live complete %ld\n", t1 - t0);
+
+ t0 = t1;
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
int len;
@@ -1707,6 +1717,9 @@ int qemu_savevm_state_complete(QEMUFile *f)
trace_savevm_section_end(se->section_id);
}
+ t1 = qemu_get_clock_ms(rt_clock);
+
+ printf("migrate rest devices %ld\n", t1 - t0);
qemu_put_byte(f, QEMU_VM_EOF);
return qemu_file_get_error(f);
--
1.8.1
