From 1db9d8e501fc99fa2201f228627952aee6cfc349 Mon Sep 17 00:00:00 2001 From: "Dr. David Alan Gilbert" Date: Wed, 26 Apr 2017 19:37:21 +0100 Subject: 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 Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- migration/ram.c | 2 ++ migration/trace-events | 2 ++ 2 files changed, 4 insertions(+) (limited to 'migration') 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 -- cgit v1.1