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trace: Add event "guest_cpu_exit"

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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>
This commit is contained in:
Lluís Vilanova 2016-12-26 22:24:46 +01:00 committed by Stefan Hajnoczi
parent 82e95ec847
commit a47e87151e
2 changed files with 9 additions and 0 deletions
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6
trace-events
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@ -141,6 +141,12 @@ memory_region_ram_device_write(int cpu_index, void *mr, uint64_t addr, uint64_t
# Targets: all # Targets: all
vcpu guest_cpu_enter(void) 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 # Reset the state of a virtual (guest) CPU
# #
# Mode: user, softmmu # Mode: user, softmmu

3
trace/control.c
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@ -26,6 +26,7 @@
#include "qemu/error-report.h" #include "qemu/error-report.h"
#include "qemu/config-file.h" #include "qemu/config-file.h"
#include "monitor/monitor.h" #include "monitor/monitor.h"
#include "trace.h"
int trace_events_enabled_count; int trace_events_enabled_count;
@ -264,6 +265,8 @@ void trace_fini_vcpu(CPUState *vcpu)
TraceEventIter iter; TraceEventIter iter;
TraceEvent *ev; TraceEvent *ev;
trace_guest_cpu_exit(vcpu);
trace_event_iter_init(&iter, NULL); trace_event_iter_init(&iter, NULL);
while ((ev = trace_event_iter_next(&iter)) != NULL) { while ((ev = trace_event_iter_next(&iter)) != NULL) {
if (trace_event_is_vcpu(ev) && if (trace_event_is_vcpu(ev) &&