Commit 1db9d8e5 authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Juan Quintela
Browse files

migration: Extra tracing 



A couple more traces that would have made fixing that postcopy
bug a bit easier.

Signed-off-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: default avatarJuan Quintela <quintela@redhat.com>
Signed-off-by: default avatarJuan Quintela <quintela@redhat.com>
parent be07b0ac

migration/ram.c

+2 −0
Original line number Diff line number Diff line
@@ -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) {

migration/trace-events

+2 −0
Original line number Diff line number Diff line
@@ -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