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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=195.135.223.130; envelope-from=farosas@suse.de; helo=smtp-out1.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1752243559640116600 Content-Type: text/plain; charset="utf-8" From: Peter Xu Take notes on start/end state of dirty pages for the whole system. Reviewed-by: Juraj Marcin Link: https://lore.kernel.org/r/20250613140801.474264-10-peterx@redhat.com Signed-off-by: Peter Xu Signed-off-by: Fabiano Rosas --- migration/ram.c | 5 +++++ migration/trace-events | 1 + 2 files changed, 6 insertions(+) diff --git a/migration/ram.c b/migration/ram.c index aa76f0a53f..e4871b4c17 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -3290,6 +3290,8 @@ static int ram_save_complete(QEMUFile *f, void *opaqu= e) RAMState *rs =3D *temp; int ret =3D 0; =20 + trace_ram_save_complete(rs->migration_dirty_pages, 0); + rs->last_stage =3D !migration_in_colo_state(); =20 WITH_RCU_READ_LOCK_GUARD() { @@ -3353,6 +3355,9 @@ static int ram_save_complete(QEMUFile *f, void *opaqu= e) } =20 qemu_put_be64(f, RAM_SAVE_FLAG_EOS); + + trace_ram_save_complete(rs->migration_dirty_pages, 1); + return qemu_fflush(f); } =20 diff --git a/migration/trace-events b/migration/trace-events index c506e11a2e..dcd8fe9a0c 100644 --- a/migration/trace-events +++ b/migration/trace-events @@ -105,6 +105,7 @@ ram_load_postcopy_loop(int channel, uint64_t addr, int = flags) "chan=3D%d addr=3D0x%" ram_postcopy_send_discard_bitmap(void) "" ram_save_page(const char *rbname, uint64_t offset, void *host) "%s: offset= : 0x%" PRIx64 " host: %p" ram_save_queue_pages(const char *rbname, size_t start, size_t len) "%s: st= art: 0x%zx len: 0x%zx" +ram_save_complete(uint64_t dirty_pages, int done) "dirty=3D%" PRIu64 ", do= ne=3D%d" ram_dirty_bitmap_request(char *str) "%s" ram_dirty_bitmap_reload_begin(char *str) "%s" ram_dirty_bitmap_reload_complete(char *str) "%s" --=20 2.35.3