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authorLluís Vilanova <vilanova@ac.upc.edu>2016-12-26 22:24:46 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2017-01-16 13:40:56 +0000
commita47e87151e785977d34e7b726495e7781860ca9f (patch)
treeb207220550273555dfef0b7168c72c9d0f85ff65
parent82e95ec847757c1a2b6accf0e8312925ada3dca8 (diff)
trace: Add event "guest_cpu_exit"
Signals the hot-unplugging of a virtual (guest) CPU. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 148278748597.1404.10546320797997984932.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--trace-events6
-rw-r--r--trace/control.c3
2 files changed, 9 insertions, 0 deletions
diff --git a/trace-events b/trace-events
index 2c66780706..839a9d0fba 100644
--- a/trace-events
+++ b/trace-events
@@ -141,6 +141,12 @@ memory_region_ram_device_write(int cpu_index, void *mr, uint64_t addr, uint64_t
# Targets: all
vcpu guest_cpu_enter(void)
+# Hot-unplug a virtual (guest) CPU
+#
+# Mode: user, softmmu
+# Targets: all
+vcpu guest_cpu_exit(void)
+
# Reset the state of a virtual (guest) CPU
#
# Mode: user, softmmu
diff --git a/trace/control.c b/trace/control.c
index cb79bb17ec..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;
@@ -264,6 +265,8 @@ 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) &&