diff options
Diffstat (limited to 'innobase/sync/sync0sync.c')
| -rw-r--r-- | innobase/sync/sync0sync.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/innobase/sync/sync0sync.c b/innobase/sync/sync0sync.c index 144ed263db9..14a2a6f8cc1 100644 --- a/innobase/sync/sync0sync.c +++ b/innobase/sync/sync0sync.c @@ -874,6 +874,7 @@ sync_thread_levels_empty_gen( sync_level_t* slot; rw_lock_t* lock; mutex_t* mutex; + char* buf; ulint i; if (!sync_order_checks_on) { @@ -907,7 +908,9 @@ sync_thread_levels_empty_gen( mutex = slot->latch; mutex_exit(&sync_thread_mutex); - sync_print(); + buf = mem_alloc(20000); + + sync_print(buf, buf + 18000); ut_error; return(FALSE); @@ -1243,14 +1246,21 @@ sync_close(void) Prints wait info of the sync system. */ void -sync_print_wait_info(void) -/*======================*/ +sync_print_wait_info( +/*=================*/ + char* buf, /* in/out: buffer where to print */ + char* buf_end) /* in: buffer end */ { #ifdef UNIV_SYNC_DEBUG printf("Mutex exits %lu, rws exits %lu, rwx exits %lu\n", mutex_exit_count, rw_s_exit_count, rw_x_exit_count); #endif - printf( + if (buf_end - buf < 500) { + + return; + } + + sprintf(buf, "Mutex spin waits %lu, rounds %lu, OS waits %lu\n" "RW-shared spins %lu, OS waits %lu; RW-excl spins %lu, OS waits %lu\n", mutex_spin_wait_count, mutex_spin_round_count, @@ -1263,11 +1273,18 @@ sync_print_wait_info(void) Prints info of the sync system. */ void -sync_print(void) -/*============*/ +sync_print( +/*=======*/ + char* buf, /* in/out: buffer where to print */ + char* buf_end) /* in: buffer end */ { mutex_list_print_info(); + rw_lock_list_print_info(); - sync_array_print_info(sync_primary_wait_array); - sync_print_wait_info(); + + sync_array_print_info(buf, buf_end, sync_primary_wait_array); + + buf = buf + strlen(buf); + + sync_print_wait_info(buf, buf_end); } |