diff options
Diffstat (limited to 'innobase/srv/srv0start.c')
-rw-r--r-- | innobase/srv/srv0start.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/innobase/srv/srv0start.c b/innobase/srv/srv0start.c index e671e95fad3..6335b857b09 100644 --- a/innobase/srv/srv0start.c +++ b/innobase/srv/srv0start.c @@ -903,80 +903,6 @@ skip_size_check: return(DB_SUCCESS); } -#ifdef notdefined -/********************************************************************* -This thread is used to measure contention of latches. */ -static -ulint -test_measure_cont( -/*==============*/ - void* arg) -{ - ulint i, j; - ulint pcount, kcount, s_scount, s_xcount, s_mcount, lcount; - - UT_NOT_USED(arg); - - fprintf(stderr, "Starting contention measurement\n"); - - for (i = 0; i < 1000; i++) { - - pcount = 0; - kcount = 0; - s_scount = 0; - s_xcount = 0; - s_mcount = 0; - lcount = 0; - - for (j = 0; j < 100; j++) { - - if (srv_measure_by_spin) { - ut_delay(ut_rnd_interval(0, 20000)); - } else { - os_thread_sleep(20000); - } - - if (kernel_mutex.lock_word) { - kcount++; - } - - if (buf_pool->mutex.lock_word) { - pcount++; - } - - if (log_sys->mutex.lock_word) { - lcount++; - } - - if (btr_search_latch.reader_count) { - s_scount++; - } - - if (btr_search_latch.writer != RW_LOCK_NOT_LOCKED) { - s_xcount++; - } - - if (btr_search_latch.mutex.lock_word) { - s_mcount++; - } - } - - fprintf(stderr, - "Mutex res. l %lu, p %lu, k %lu s x %lu s s %lu s mut %lu of %lu\n", - lcount, pcount, kcount, s_xcount, s_scount, s_mcount, j); - -/* sync_print_wait_info(); */ - - fprintf(stderr, - "log i/o %lu n non sea %lu n succ %lu n h fail %lu\n", - log_sys->n_log_ios, btr_cur_n_non_sea, - btr_search_n_succ, btr_search_n_hash_fail); - } - - return(0); -} -#endif - /******************************************************************** Starts InnoDB and creates a new database if database files are not found and the user wants. Server parameters are |