[PULL,33/33] migration: add some multifd traces

Commit Message

Dr. David Alan Gilbert Aug. 15, 2019, 4:35 p.m. UTC

From: Juan Quintela <[e-mail]>

Signed-off-by: Juan Quintela <[e-mail]>
Message-Id: <[e-mail]>
Reviewed-by: Dr. David Alan Gilbert <[e-mail]>
Signed-off-by: Dr. David Alan Gilbert <[e-mail]>
---
 migration/ram.c        | 3 +++
 migration/trace-events | 4 ++++
 2 files changed, 7 insertions(+)

Patch

diff --git a/migration/ram.c b/migration/ram.c
index c7aa3d9a2c..35552c090b 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1170,6 +1170,7 @@  static void *multifd_send_thread(void *opaque)
 
 out:
     if (local_err) {
+        trace_multifd_send_error(p->id);
         multifd_send_terminate_threads(local_err);
     }
 
@@ -1200,6 +1201,7 @@  static void multifd_new_send_channel_async(QIOTask *task, gpointer opaque)
     QIOChannel *sioc = QIO_CHANNEL(qio_task_get_source(task));
     Error *local_err = NULL;
 
+    trace_multifd_new_send_channel_async(p->id);
     if (qio_task_propagate_error(task, &local_err)) {
         migrate_set_error(migrate_get_current(), local_err);
         multifd_save_cleanup();
@@ -1486,6 +1488,7 @@  bool multifd_recv_new_channel(QIOChannel *ioc, Error **errp)
                                 atomic_read(&multifd_recv_state->count));
         return false;
     }
+    trace_multifd_recv_new_channel(id);
 
     p = &multifd_recv_state->params[id];
     if (p->c != NULL) {
diff --git a/migration/trace-events b/migration/trace-events
index 886ce70ca0..00ffcd5930 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -81,14 +81,18 @@  migration_bitmap_sync_start(void) ""
 migration_bitmap_sync_end(uint64_t dirty_pages) "dirty_pages %" PRIu64
 migration_bitmap_clear_dirty(char *str, uint64_t start, uint64_t size, unsigned long page) "rb %s start 0x%"PRIx64" size 0x%"PRIx64" page 0x%lx"
 migration_throttle(void) ""
+multifd_new_send_channel_async(uint8_t id) "channel %d"
 multifd_recv(uint8_t id, uint64_t packet_num, uint32_t used, uint32_t flags, uint32_t next_packet_size) "channel %d packet_num %" PRIu64 " pages %d flags 0x%x next packet size %d"
+multifd_recv_new_channel(uint8_t id) "channel %d"
 multifd_recv_sync_main(long packet_num) "packet num %ld"
 multifd_recv_sync_main_signal(uint8_t id) "channel %d"
 multifd_recv_sync_main_wait(uint8_t id) "channel %d"
 multifd_recv_terminate_threads(bool error) "error %d"
 multifd_recv_thread_end(uint8_t id, uint64_t packets, uint64_t pages) "channel %d packets %" PRIu64 " pages %" PRIu64
 multifd_recv_thread_start(uint8_t id) "%d"
+multifd_save_setup_wait(uint8_t id) "%d"
 multifd_send(uint8_t id, uint64_t packet_num, uint32_t used, uint32_t flags, uint32_t next_packet_size) "channel %d packet_num %" PRIu64 " pages %d flags 0x%x next packet size %d"
+multifd_send_error(uint8_t id) "channel %d"
 multifd_send_sync_main(long packet_num) "packet num %ld"
 multifd_send_sync_main_signal(uint8_t id) "channel %d"
 multifd_send_sync_main_wait(uint8_t id) "channel %d"