migration/ram: Add load start trace event
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>
Link: https://lore.kernel.org/r/94ddfa7ecb83a78f73b82867dd30c8767592d257.1730203967.git.maciej.szmigiero@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
diff --git a/migration/ram.c b/migration/ram.c
index f164dc6..05ff9eb 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -4294,6 +4294,7 @@
* 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 0638183..bb0e0cc 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -115,6 +115,7 @@
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"