trace: Trace vm_start()/vm_stop()
VM state change notifications are invoked from vm_start()/vm_stop().
Trace these state changes so we can reason about the state of the VM
from trace output.
Signed-off-by: Stefan Hajnoczi <[email protected]>
Signed-off-by: Anthony Liguori <[email protected]>
diff --git a/trace-events b/trace-events
index 947f8b0..da03d4b 100644
--- a/trace-events
+++ b/trace-events
@@ -189,3 +189,6 @@
disable sun4m_iommu_page_get_flags(uint64_t pa, uint64_t iopte, uint32_t ret) "get flags addr %"PRIx64" => pte %"PRIx64", *pte = %x"
disable sun4m_iommu_translate_pa(uint64_t addr, uint64_t pa, uint32_t iopte) "xlate dva %"PRIx64" => pa %"PRIx64" iopte = %x"
disable sun4m_iommu_bad_addr(uint64_t addr) "bad addr %"PRIx64""
+
+# vl.c
+disable vm_state_notify(int running, int reason) "running %d reason %d"
diff --git a/vl.c b/vl.c
index 9ee6479..805e11f 100644
--- a/vl.c
+++ b/vl.c
@@ -158,6 +158,7 @@
#include "slirp/libslirp.h"
+#include "trace.h"
#include "qemu-queue.h"
#include "cpus.h"
#include "arch_init.h"
@@ -1074,6 +1075,8 @@
{
VMChangeStateEntry *e;
+ trace_vm_state_notify(running, reason);
+
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
e->cb(e->opaque, running, reason);
}
