[v11,09/15] migration: Add multifd traces for start/end thread

Commit Message

Juan Quintela March 16, 2018, 11:53 a.m. UTC

Signed-off-by: Juan Quintela <[e-mail]>
Reviewed-by: Daniel P. Berrangé <[e-mail]>
---
 migration/ram.c        | 6 ++++++
 migration/trace-events | 4 ++++
 2 files changed, 10 insertions(+)

Patch

diff --git a/migration/ram.c b/migration/ram.c
index 4ba03cf9c9..7d9e363bbe 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -505,6 +505,8 @@  static void *multifd_send_thread(void *opaque)
 {
     MultiFDSendParams *p = opaque;
 
+    trace_multifd_send_thread_start(p->id);
+
     while (true) {
         qemu_sem_wait(&p->sem);
         qemu_mutex_lock(&p->mutex);
@@ -521,6 +523,7 @@  static void *multifd_send_thread(void *opaque)
         }
         qemu_mutex_unlock(&p->mutex);
     }
+    trace_multifd_send_thread_end(p->id);
 
     return NULL;
 }
@@ -668,6 +671,8 @@  static void *multifd_recv_thread(void *opaque)
 {
     MultiFDRecvParams *p = opaque;
 
+    trace_multifd_recv_thread_start(p->id);
+
     while (true) {
         qemu_sem_wait(&p->sem);
         qemu_mutex_lock(&p->mutex);
@@ -685,6 +690,7 @@  static void *multifd_recv_thread(void *opaque)
         qemu_mutex_unlock(&p->mutex);
     }
 
+    trace_multifd_recv_thread_end(p->id);
     return NULL;
 }
 
diff --git a/migration/trace-events b/migration/trace-events
index 551d325daf..9c92d3ec14 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -83,6 +83,10 @@  multifd_send_sync_wait(uint8_t id, bool quit, bool running) "channel %d quit %d
 multifd_recv_sync_main(void) ""
 multifd_recv_sync_signal(uint8_t id, bool quit, bool running) "channel %d quit %d running %d"
 multifd_recv_sync_wait(uint8_t id, bool quit, bool running) "channel %d quit %d running %d"
+multifd_send_thread_start(uint8_t id) "%d"
+multifd_send_thread_end(uint8_t id) "%d"
+multifd_recv_thread_start(uint8_t id) "%d"
+multifd_recv_thread_end(uint8_t id) "%d"
 
 # migration/migration.c
 await_return_path_close_on_source_close(void) ""