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authorDr. David Alan Gilbert <dgilbert@redhat.com>2017-04-26 19:37:21 +0100
committerJuan Quintela <quintela@redhat.com>2017-05-04 10:41:23 +0200
commit1db9d8e501fc99fa2201f228627952aee6cfc349 (patch)
tree1d7648c3ea5f41c15eab2528569c416a25bd4256 /migration
parentbe07b0ace82b0f23bee194de9e4481c308645376 (diff)
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migration: Extra tracing
A couple more traces that would have made fixing that postcopy bug a bit easier. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'migration')
-rw-r--r--migration/ram.c2
-rw-r--r--migration/trace-events2
2 files changed, 4 insertions, 0 deletions
diff --git a/migration/ram.c b/migration/ram.c
index 4918c11..293d27c 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -788,6 +788,7 @@ static int ram_save_page(RAMState *rs, PageSearchStatus *pss, bool last_stage)
ram_addr_t offset = pss->page << TARGET_PAGE_BITS;
p = block->host + offset;
+ trace_ram_save_page(block->idstr, (uint64_t)offset, p);
/* In doubt sent page as normal */
bytes_xmit = 0;
@@ -2550,6 +2551,7 @@ static int ram_load(QEMUFile *f, void *opaque, int version_id)
ret = -EINVAL;
break;
}
+ trace_ram_load_loop(block->idstr, (uint64_t)addr, flags, host);
}
switch (flags & ~RAM_SAVE_FLAG_CONTINUE) {
diff --git a/migration/trace-events b/migration/trace-events
index b8f01a2..5b8ccf3 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -69,8 +69,10 @@ migration_bitmap_sync_start(void) ""
migration_bitmap_sync_end(uint64_t dirty_pages) "dirty_pages %" PRIu64
migration_throttle(void) ""
ram_discard_range(const char *rbname, uint64_t start, size_t len) "%s: start: %" PRIx64 " %zx"
+ram_load_loop(const char *rbname, uint64_t addr, int flags, void *host) "%s: addr: %" PRIx64 " flags: %x host: %p"
ram_load_postcopy_loop(uint64_t addr, int flags) "@%" PRIx64 " %x"
ram_postcopy_send_discard_bitmap(void) ""
+ram_save_page(const char *rbname, uint64_t offset, void *host) "%s: offset: %" PRIx64 " host: %p"
ram_save_queue_pages(const char *rbname, size_t start, size_t len) "%s: start: %zx len: %zx"
# migration/migration.c