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envelope-from=anisinha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.852, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org cosmetic: add a tracepoint to track when memory regions are getting freed. Useful for debugging and tracking all freed memory regions. Signed-off-by: Ani Sinha --- system/memory.c | 1 + system/trace-events | 1 + 2 files changed, 2 insertions(+) diff --git a/system/memory.c b/system/memory.c index 5fc36708ec..9485ba316f 100644 --- a/system/memory.c +++ b/system/memory.c @@ -1730,6 +1730,7 @@ static void memory_region_finalize(Object *obj) { MemoryRegion *mr = MEMORY_REGION(obj); + trace_memory_region_finalize(mr->name); /* * Each memory region (that can be freed) must have an owner, and it * always has the same lifecycle of its owner. It means when reaching diff --git a/system/trace-events b/system/trace-events index 51b4a4679a..0e1a4c5865 100644 --- a/system/trace-events +++ b/system/trace-events @@ -27,6 +27,7 @@ flatview_new(void *view, void *root) "%p (root %p)" flatview_destroy(void *view, void *root) "%p (root %p)" flatview_destroy_rcu(void *view, void *root) "%p (root %p)" global_dirty_changed(unsigned int bitmask) "bitmask 0x%"PRIx32 +memory_region_finalize(const char* name) "mr %s" # physmem.c 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" -- 2.42.0