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[RFC,14/26] migration/ram: Add load start trace event

Message ID 1fad7a367dc657bd7436e30271178a0a1a649335.1713269378.git.maciej.szmigiero@oracle.com (mailing list archive)
State New, archived
Headers show
Series Multifd | expand

Commit Message

Maciej S. Szmigiero April 16, 2024, 2:42 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(+)
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Patch

diff --git a/migration/ram.c b/migration/ram.c
index 8deb84984f4a..cebb06480d6f 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -4223,6 +4223,7 @@  static int ram_load_precopy(QEMUFile *f)
                           RAM_SAVE_FLAG_ZERO);
     }
 
+    trace_ram_load_start();
     while (!ret && !(flags & RAM_SAVE_FLAG_EOS)) {
         ram_addr_t addr;
         void *host = NULL, *host_bak = NULL;
diff --git a/migration/trace-events b/migration/trace-events
index e48607d5a6a2..396c0233cb8c 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"