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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2019-01-24 15:51:54 +0300
committerStefan Hajnoczi <stefanha@redhat.com>2019-01-25 10:21:27 +0000
commitff12e3ae3d052e11538c40a2b92d9b6db3b5520b (patch)
tree4f197c9ecd9d4c250f3985ef5e23432fa3314239 /vl.c
parent62dd1048c0bd628d5811d22cbfbdbf7053b2c5bf (diff)
trace: improve runstate tracing
Trace previous state, move tracepoint to runstate_set start (to cover all cases for debugging), add string representations of traced states. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20190124125154.474650-1-vsementsov@virtuozzo.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'vl.c')
-rw-r--r--vl.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/vl.c b/vl.c
index bc9fbec654..9cf0fbe0b8 100644
--- a/vl.c
+++ b/vl.c
@@ -731,6 +731,9 @@ void runstate_set(RunState new_state)
{
assert(new_state < RUN_STATE__MAX);
+ trace_runstate_set(current_run_state, RunState_str(current_run_state),
+ new_state, RunState_str(current_run_state));
+
if (current_run_state == new_state) {
return;
}
@@ -741,7 +744,7 @@ void runstate_set(RunState new_state)
RunState_str(new_state));
abort();
}
- trace_runstate_set(new_state);
+
current_run_state = new_state;
}
@@ -1554,7 +1557,7 @@ void vm_state_notify(int running, RunState state)
{
VMChangeStateEntry *e, *next;
- trace_vm_state_notify(running, state);
+ trace_vm_state_notify(running, state, RunState_str(state));
QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
e->cb(e->opaque, running, state);