diff mbox series

[2/4] migration/ram: Add load start trace event

Message ID 94ddfa7ecb83a78f73b82867dd30c8767592d257.1730203967.git.maciej.szmigiero@oracle.com (mailing list archive)
State New
Headers show
Series Trivial patches from multifd device state transfer support patch set | expand

Commit Message

Maciej S. Szmigiero Oct. 29, 2024, 2:58 p.m. UTC 
From: "Maciej S. Szmigiero" <maciej.szmigiero@oracle.com>

There's a RAM load complete trace event but there wasn't its start equivalent.

Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
---
 migration/ram.c        | 1 +
 migration/trace-events | 1 +
 2 files changed, 2 insertions(+)

Comments

Fabiano Rosas Oct. 29, 2024, 7:10 p.m. UTC | #1 
"Maciej S. Szmigiero" <mail@maciej.szmigiero.name> writes:

> From: "Maciej S. Szmigiero" <maciej.szmigiero@oracle.com>
>
> There's a RAM load complete trace event but there wasn't its start equivalent.
>
> Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>

Reviewed-by: Fabiano Rosas <farosas@suse.de>
diff mbox series

Patch

diff --git a/migration/ram.c b/migration/ram.c
index 326ce7eb791f..72cd1dbb22c4 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -4294,6 +4294,7 @@  static int ram_load(QEMUFile *f, void *opaque, int version_id)
      * it will be necessary to reduce the granularity of this
      * critical section.
      */
+    trace_ram_load_start();
     WITH_RCU_READ_LOCK_GUARD() {
         if (postcopy_running) {
             /*
diff --git a/migration/trace-events b/migration/trace-events
index c65902f042bd..2a99a7baaea6 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -115,6 +115,7 @@  colo_flush_ram_cache_end(void) ""
 save_xbzrle_page_skipping(void) ""
 save_xbzrle_page_overflow(void) ""
 ram_save_iterate_big_wait(uint64_t milliconds, int iterations) "big wait: %" PRIu64 " milliseconds, %d iterations"
+ram_load_start(void) ""
 ram_load_complete(int ret, uint64_t seq_iter) "exit_code %d seq iteration %" PRIu64
 ram_write_tracking_ramblock_start(const char *block_id, size_t page_size, void *addr, size_t length) "%s: page_size: %zu addr: %p length: %zu"
 ram_write_tracking_ramblock_stop(const char *block_id, size_t page_size, void *addr, size_t length) "%s: page_size: %zu addr: %p length: %zu"