[PATCH v4 05/11] backends/igvm: add a tracepoint for qigvm_cleanup_memory

[Ani Sinha <anisinha@redhat.com>]

Useful for debugging memory region cleanups.

Signed-off-by: Ani Sinha <anisinha@redhat.com>
---
 backends/igvm.c       | 1 +
 backends/trace-events | 1 +
 2 files changed, 2 insertions(+)

diff --git a/backends/igvm.c b/backends/igvm.c
index 9b101c8182..7b7bdc72b7 100644
--- a/backends/igvm.c
+++ b/backends/igvm.c
@@ -1120,6 +1120,7 @@ void qigvm_cleanup_memory(IgvmCfg *cfg)
 
     QTAILQ_FOREACH_SAFE(imr, &cfg->memory_regions, next, tmp)
     {
+        trace_qigvm_cleanup_memory(imr->mr->name);
         memory_region_del_subregion(get_system_memory(), imr->mr);
         vmstate_unregister_ram(imr->mr, NULL);
         QTAILQ_REMOVE(&cfg->memory_regions, imr, next);
diff --git a/backends/trace-events b/backends/trace-events
index 009a25b0be..9b7b9b7d68 100644
--- a/backends/trace-events
+++ b/backends/trace-events
@@ -33,3 +33,4 @@ igvm_reset_hold(int type) "type=%u"
 igvm_reset_exit(int type) "type=%u"
 igvm_file_loaded(const char *fn, int32_t handle) "fn=%s, handle=0x%x"
 igvm_process_file(int32_t handle, bool context_only) "handle=0x%x context-only=%d"
+qigvm_cleanup_memory(const char* name) "freeing mr %s"
-- 
2.42.0