trace: Fix dynamic event state on vCPU hot-unplug

We need to disable per-vCPU events on a vCPU that is hot-unplugged to
keep the dynamic event state global counters consistent.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Message-id: 148278748055.1404.1570530281528619895.stgit@fimbulvetr.bsc.es
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/qom/cpu.c b/qom/cpu.c
index 03d9190f8c..93e41056d9 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -348,6 +348,8 @@ static void cpu_common_realizefn(DeviceState *dev, Error **errp)
 static void cpu_common_unrealizefn(DeviceState *dev, Error **errp)
 {
     CPUState *cpu = CPU(dev);
+    /* NOTE: latest generic point before the cpu is fully unrealized */
+    trace_fini_vcpu(cpu);
     cpu_exec_unrealizefn(cpu);
 }