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[Qemu-devel] [PATCH 3/3] trace: Add event "guest_cpu_exit"
From: |
Lluís Vilanova |
Subject: |
[Qemu-devel] [PATCH 3/3] trace: Add event "guest_cpu_exit" |
Date: |
Mon, 26 Dec 2016 22:24:46 +0100 |
User-agent: |
StGit/0.17.1-dirty |
Signals the hot-unplugging of a virtual (guest) CPU.
Signed-off-by: Lluís Vilanova <address@hidden>
---
trace-events | 6 ++++++
trace/control.c | 3 +++
2 files changed, 9 insertions(+)
diff --git a/trace-events b/trace-events
index f74e1d3d22..f3894f5b38 100644
--- a/trace-events
+++ b/trace-events
@@ -135,6 +135,12 @@ 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) &&