diff options
| -rw-r--r-- | migration/ram.c | 18 | ||||
| -rw-r--r-- | migration/trace-events | 4 |
2 files changed, 8 insertions, 14 deletions
diff --git a/migration/ram.c b/migration/ram.c index a1c8089010..ef8fadfe69 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -45,14 +45,6 @@ #include "qemu/rcu_queue.h" #include "migration/colo.h" -#ifdef DEBUG_MIGRATION_RAM -#define DPRINTF(fmt, ...) \ - do { fprintf(stdout, "migration_ram: " fmt, ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) \ - do { } while (0) -#endif - static int dirty_rate_high_cnt; static uint64_t bitmap_sync_count; @@ -507,10 +499,10 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t **current_data, TARGET_PAGE_SIZE, XBZRLE.encoded_buf, TARGET_PAGE_SIZE); if (encoded_len == 0) { - DPRINTF("Skipping unmodified page\n"); + trace_save_xbzrle_page_skipping(); return 0; } else if (encoded_len == -1) { - DPRINTF("Overflow\n"); + trace_save_xbzrle_page_overflow(); acct_info.xbzrle_overflows++; /* update data in the cache */ if (!last_stage) { @@ -2020,8 +2012,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque) if ((i & 63) == 0) { uint64_t t1 = (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - t0) / 1000000; if (t1 > MAX_WAIT) { - DPRINTF("big wait: %" PRIu64 " milliseconds, %d iterations\n", - t1, i); + trace_ram_save_iterate_big_wait(t1, i); break; } } @@ -2594,8 +2585,7 @@ static int ram_load(QEMUFile *f, void *opaque, int version_id) wait_for_decompress_done(); rcu_read_unlock(); - DPRINTF("Completed load of VM with exit code %d seq iteration " - "%" PRIu64 "\n", ret, seq_iter); + trace_ram_load_complete(ret, seq_iter); return ret; } diff --git a/migration/trace-events b/migration/trace-events index c46f9e98df..ba6bee42a8 100644 --- a/migration/trace-events +++ b/migration/trace-events @@ -190,6 +190,10 @@ postcopy_ram_incoming_cleanup_closeuf(void) "" postcopy_ram_incoming_cleanup_entry(void) "" postcopy_ram_incoming_cleanup_exit(void) "" postcopy_ram_incoming_cleanup_join(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_complete(int ret, uint64_t seq_iter) "exit_code %d seq iteration %" PRIu64 # migration/exec.c migration_exec_outgoing(const char *cmd) "cmd=%s" |