From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44761) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZuP2f-0001kb-W9 for qemu-devel@nongnu.org; Thu, 05 Nov 2015 13:13:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZuP2d-0004NG-S3 for qemu-devel@nongnu.org; Thu, 05 Nov 2015 13:13:45 -0500 Received: from mx1.redhat.com ([209.132.183.28]:37325) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZuP2d-0004NC-Jy for qemu-devel@nongnu.org; Thu, 05 Nov 2015 13:13:43 -0500 From: "Dr. David Alan Gilbert (git)" Date: Thu, 5 Nov 2015 18:11:21 +0000 Message-Id: <1446747083-18205-55-git-send-email-dgilbert@redhat.com> In-Reply-To: <1446747083-18205-1-git-send-email-dgilbert@redhat.com> References: <1446747083-18205-1-git-send-email-dgilbert@redhat.com> Subject: [Qemu-devel] [PATCH v9 54/56] End of migration for postcopy List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aarcange@redhat.com, yamahata@private.email.ne.jp, quintela@redhat.com, liang.z.li@intel.com, luis@cs.umu.se, bharata@linux.vnet.ibm.com, amit.shah@redhat.com, pbonzini@redhat.com, david@gibson.dropbear.id.au From: "Dr. David Alan Gilbert" Tweak the end of migration cleanup; we don't want to close stuff down at the end of the main stream, since the postcopy is still sending pages on the other thread. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Juan Quintela Reviewed-by: Amit Shah --- migration/migration.c | 26 +++++++++++++++++++++++++- trace-events | 6 ++++-- 2 files changed, 29 insertions(+), 3 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 80caf86..fd51d79 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -325,13 +325,37 @@ static void process_incoming_migration_co(void *opaque) { QEMUFile *f = opaque; Error *local_err = NULL; + MigrationIncomingState *mis; + PostcopyState ps; int ret; - migration_incoming_state_new(f); + mis = migration_incoming_state_new(f); postcopy_state_set(POSTCOPY_INCOMING_NONE); migrate_generate_event(MIGRATION_STATUS_ACTIVE); + ret = qemu_loadvm_state(f); + ps = postcopy_state_get(); + trace_process_incoming_migration_co_end(ret, ps); + if (ps != POSTCOPY_INCOMING_NONE) { + if (ps == POSTCOPY_INCOMING_ADVISE) { + /* + * Where a migration had postcopy enabled (and thus went to advise) + * but managed to complete within the precopy period, we can use + * the normal exit. + */ + postcopy_ram_incoming_cleanup(mis); + } else if (ret >= 0) { + /* + * Postcopy was started, cleanup should happen at the end of the + * postcopy thread. + */ + trace_process_incoming_migration_co_postcopy_end_main(); + return; + } + /* Else if something went wrong then just fall out of the normal exit */ + } + qemu_fclose(f); free_xbzrle_decoded_buf(); migration_incoming_state_destroy(); diff --git a/trace-events b/trace-events index 452435d..ef6bc41 100644 --- a/trace-events +++ b/trace-events @@ -1480,11 +1480,13 @@ source_return_path_thread_entry(void) "" source_return_path_thread_loop_top(void) "" source_return_path_thread_pong(uint32_t val) "%x" source_return_path_thread_shut(uint32_t val) "%x" -migrate_transferred(uint64_t tranferred, uint64_t time_spent, double bandwidth, uint64_t size) "transferred %" PRIu64 " time_spent %" PRIu64 " bandwidth %g max_size %" PRId64 -migrate_state_too_big(void) "" migrate_global_state_post_load(const char *state) "loaded state: %s" migrate_global_state_pre_save(const char *state) "saved state: %s" migration_thread_low_pending(uint64_t pending) "%" PRIu64 +migrate_state_too_big(void) "" +migrate_transferred(uint64_t tranferred, uint64_t time_spent, double bandwidth, uint64_t size) "transferred %" PRIu64 " time_spent %" PRIu64 " bandwidth %g max_size %" PRId64 +process_incoming_migration_co_end(int ret, int ps) "ret=%d postcopy-state=%d" +process_incoming_migration_co_postcopy_end_main(void) "" # migration/rdma.c qemu_rdma_accept_incoming_migration(void) "" -- 2.5.0