[RFC PATCH v2 18/21] trace/kvm: Add trace for page convertion between shared and private

[Xiaoyao Li]

From: Isaku Yamahata <isaku.yamah...@intel.com>

Signed-off-by: Isaku Yamahata <isaku.yamah...@intel.com>
Signed-off-by: Xiaoyao Li <xiaoyao...@intel.com>
---
 accel/kvm/kvm-all.c    | 1 +
 accel/kvm/trace-events | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index c67aa66b0559..229b7038a4c2 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -3048,6 +3048,7 @@ static int kvm_convert_memory(hwaddr start, hwaddr size, 
bool to_private)
     void *addr;
     int ret = -1;
 
+    trace_kvm_convert_memory(start, size, to_private ? "shared_to_private" : 
"private_to_shared");
     section = memory_region_find(get_system_memory(), start, size);
     if (!section.mr) {
         return ret;
diff --git a/accel/kvm/trace-events b/accel/kvm/trace-events
index 80694683acea..4935c9c5cf0b 100644
--- a/accel/kvm/trace-events
+++ b/accel/kvm/trace-events
@@ -25,4 +25,4 @@ kvm_dirty_ring_reaper(const char *s) "%s"
 kvm_dirty_ring_reap(uint64_t count, int64_t t) "reaped %"PRIu64" pages (took 
%"PRIi64" us)"
 kvm_dirty_ring_reaper_kick(const char *reason) "%s"
 kvm_dirty_ring_flush(int finished) "%d"
-
+kvm_convert_memory(uint64_t start, uint64_t size, const char *msg) "start 0x%" 
PRIx64 " size 0x%" PRIx64 " %s"
-- 
2.34.1