diff options
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/migration/migration.c b/migration/migration.c index 3e38294485..c334b9effd 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -103,6 +103,7 @@ static int close_return_path_on_source(MigrationState *s); static void migration_downtime_start(MigrationState *s) { + trace_vmstate_downtime_checkpoint("src-downtime-start"); s->downtime_start = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); } @@ -117,6 +118,8 @@ static void migration_downtime_end(MigrationState *s) if (!s->downtime) { s->downtime = now - s->downtime_start; } + + trace_vmstate_downtime_checkpoint("src-downtime-end"); } static bool migration_needs_multiple_sockets(void) @@ -151,7 +154,11 @@ static gint page_request_addr_cmp(gconstpointer ap, gconstpointer bp) int migration_stop_vm(RunState state) { - return vm_stop_force_state(state); + int ret = vm_stop_force_state(state); + + trace_vmstate_downtime_checkpoint("src-vm-stopped"); + + return ret; } void migration_object_init(void) @@ -495,6 +502,8 @@ static void process_incoming_migration_bh(void *opaque) Error *local_err = NULL; MigrationIncomingState *mis = opaque; + trace_vmstate_downtime_checkpoint("dst-precopy-bh-enter"); + /* If capability late_block_activate is set: * Only fire up the block code now if we're going to restart the * VM, else 'cont' will do it. @@ -520,6 +529,8 @@ static void process_incoming_migration_bh(void *opaque) */ qemu_announce_self(&mis->announce_timer, migrate_announce_params()); + trace_vmstate_downtime_checkpoint("dst-precopy-bh-announced"); + multifd_load_shutdown(); dirty_bitmap_mig_before_vm_start(); @@ -537,6 +548,7 @@ static void process_incoming_migration_bh(void *opaque) } else { runstate_set(global_state_get_runstate()); } + trace_vmstate_downtime_checkpoint("dst-precopy-bh-vm-started"); /* * This must happen after any state changes since as soon as an external * observer sees this event they might start to prod at the VM assuming @@ -571,6 +583,8 @@ process_incoming_migration_co(void *opaque) ret = qemu_loadvm_state(mis->from_src_file); mis->loadvm_co = NULL; + trace_vmstate_downtime_checkpoint("dst-precopy-loadvm-completed"); + ps = postcopy_state_get(); trace_process_incoming_migration_co_end(ret, ps); if (ps != POSTCOPY_INCOMING_NONE) { |