system/memory: add a tracepoint for memory_region_finalize
cosmetic: add a tracepoint to track when memory regions are getting freed. Useful for debugging and tracking all freed memory regions. Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Ani Sinha <anisinha@redhat.com> Message-ID: <20260817142010.80693-5-anisinha@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Ani Sinha committed
Aug 17, 2026 at 19:49 UTC
0102503dc58d5f34e49f4d9cb7020271aa90b149
2 files changed
+2
system/memory.c
+1
@@ -1691,6 +1691,7 @@ static void memory_region_finalize(Object *obj)
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{
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MemoryRegion *mr = MEMORY_REGION(obj);
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+ trace_memory_region_finalize(mr->name);
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/*
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* Each memory region (that can be freed) must have an owner, and it
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* always has the same lifecycle of its owner. It means when reaching
system/trace-events
+1
@@ -25,6 +25,7 @@ flatview_new(void *view, void *root) "%p (root %p)"
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flatview_destroy(void *view, void *root) "%p (root %p)"
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flatview_destroy_rcu(void *view, void *root) "%p (root %p)"
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global_dirty_changed(unsigned int bitmask) "bitmask 0x%"PRIx32
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+memory_region_finalize(const char* name) "mr %s"
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# physmem.c
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address_space_map(void *as, uint64_t addr, uint64_t len, bool is_write, uint32_t attrs) "as:%p addr 0x%"PRIx64":%"PRIx64" write:%d attrs:0x%x"