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Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

# gpg: Signature made Tue 11 Jul 2017 09:35:26 BST
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/tracing-pull-request:
  backends: remove empty trace-events file
  trace: Fix early setting of events with the "vcpu" property

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2017-07-11 17:13:49 +01:00
commit 31fe1c4145
3 changed files with 7 additions and 4 deletions
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1
Makefile.objs
View File

@ -122,7 +122,6 @@ trace-events-subdirs += crypto
trace-events-subdirs += io
trace-events-subdirs += migration
trace-events-subdirs += block
trace-events-subdirs += backends
trace-events-subdirs += chardev
trace-events-subdirs += hw/block
trace-events-subdirs += hw/block/dataplane

0
backends/trace-events
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10
trace/control-target.c
View File

@ -1,7 +1,7 @@
/*
* Interface for configuring and controlling the state of tracing events.
*
* Copyright (C) 2014-2016 Lluís Vilanova <vilanova@ac.upc.edu>
* Copyright (C) 2014-2017 Lluís Vilanova <vilanova@ac.upc.edu>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
@ -38,12 +38,16 @@ void trace_event_set_state_dynamic(TraceEvent *ev, bool state)
{
CPUState *vcpu;
assert(trace_event_get_state_static(ev));
if (trace_event_is_vcpu(ev)) {
if (trace_event_is_vcpu(ev) && likely(first_cpu != NULL)) {
CPU_FOREACH(vcpu) {
trace_event_set_vcpu_state_dynamic(vcpu, ev, state);
}
} else {
/* Without the "vcpu" property, dstate can only be 1 or 0 */
/*
* Without the "vcpu" property, dstate can only be 1 or 0. With it, we
* haven't instantiated any vCPU yet, so we will set a global state
* instead, and trace_init_vcpu will reconcile it afterwards.
*/
bool state_pre = *ev->dstate;
if (state_pre != state) {
if (state) {