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authorPeter Maydell <peter.maydell@linaro.org>2017-01-17 16:54:09 +0000
committerPeter Maydell <peter.maydell@linaro.org>2017-01-17 16:54:09 +0000
commitab4b92760498e097ff668f0e9c83aa87a2ec1128 (patch)
tree5e3d149bb2208e765481df6fa9c76d2361a0670f /trace/control.c
parent23eb9e6b6d5315171cc15969bbc755f258004df0 (diff)
parenta47e87151e785977d34e7b726495e7781860ca9f (diff)
downloadfocaccia-qemu-ab4b92760498e097ff668f0e9c83aa87a2ec1128.tar.gz
focaccia-qemu-ab4b92760498e097ff668f0e9c83aa87a2ec1128.zip
Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
# gpg: Signature made Mon 16 Jan 2017 13:44:46 GMT
# 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:
  trace: Add event "guest_cpu_exit"
  trace: Fix dynamic event state on vCPU hot-unplug
  trace: Lock vCPU list when initializing dynamic tracing state
  trace-events: spelling fix

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'trace/control.c')
-rw-r--r--trace/control.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/trace/control.c b/trace/control.c
index 1a7bee6ddc..56a2632584 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -26,6 +26,7 @@
 #include "qemu/error-report.h"
 #include "qemu/config-file.h"
 #include "monitor/monitor.h"
+#include "trace.h"
 
 int trace_events_enabled_count;
 
@@ -259,6 +260,24 @@ void trace_init_file(const char *file)
 #endif
 }
 
+void trace_fini_vcpu(CPUState *vcpu)
+{
+    TraceEventIter iter;
+    TraceEvent *ev;
+
+    trace_guest_cpu_exit(vcpu);
+
+    trace_event_iter_init(&iter, NULL);
+    while ((ev = trace_event_iter_next(&iter)) != NULL) {
+        if (trace_event_is_vcpu(ev) &&
+            trace_event_get_state_static(ev) &&
+            trace_event_get_vcpu_state_dynamic(vcpu, ev)) {
+            /* must disable to affect the global counter */
+            trace_event_set_vcpu_state_dynamic(vcpu, ev, false);
+        }
+    }
+}
+
 bool trace_init_backends(void)
 {
 #ifdef CONFIG_TRACE_SIMPLE