summaryrefslogtreecommitdiff
path: root/innobase/srv/srv0start.c
diff options
context:
space:
mode:
Diffstat (limited to 'innobase/srv/srv0start.c')
-rw-r--r--innobase/srv/srv0start.c74
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