[PATCH v3 11/70] trace/kvm: Add trace for page convertion between shared and private

Xiaoyao Li
2023-11-15T07:16:55Z

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

Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Signed-off-by: Xiaoyao Li <xiaoyao.li@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 58abbcb6926e..082f31446c97 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -2910,6 +2910,7 @@ 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 e6ec2cda6efa..bca51f877b12 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