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merge with 4.0
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@@ -903,80 +903,6 @@ skip_size_check:
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return(DB_SUCCESS);
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}
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#ifdef notdefined
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/*********************************************************************
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This thread is used to measure contention of latches. */
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static
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ulint
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test_measure_cont(
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/*==============*/
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void* arg)
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{
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ulint i, j;
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ulint pcount, kcount, s_scount, s_xcount, s_mcount, lcount;
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UT_NOT_USED(arg);
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fprintf(stderr, "Starting contention measurement\n");
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for (i = 0; i < 1000; i++) {
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pcount = 0;
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kcount = 0;
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s_scount = 0;
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s_xcount = 0;
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s_mcount = 0;
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lcount = 0;
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for (j = 0; j < 100; j++) {
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if (srv_measure_by_spin) {
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ut_delay(ut_rnd_interval(0, 20000));
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} else {
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os_thread_sleep(20000);
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}
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if (kernel_mutex.lock_word) {
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kcount++;
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}
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if (buf_pool->mutex.lock_word) {
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pcount++;
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}
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if (log_sys->mutex.lock_word) {
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lcount++;
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}
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if (btr_search_latch.reader_count) {
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s_scount++;
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}
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if (btr_search_latch.writer != RW_LOCK_NOT_LOCKED) {
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s_xcount++;
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}
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if (btr_search_latch.mutex.lock_word) {
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s_mcount++;
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}
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}
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fprintf(stderr,
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"Mutex res. l %lu, p %lu, k %lu s x %lu s s %lu s mut %lu of %lu\n",
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lcount, pcount, kcount, s_xcount, s_scount, s_mcount, j);
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/* sync_print_wait_info(); */
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fprintf(stderr,
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"log i/o %lu n non sea %lu n succ %lu n h fail %lu\n",
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log_sys->n_log_ios, btr_cur_n_non_sea,
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btr_search_n_succ, btr_search_n_hash_fail);
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}
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return(0);
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}
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#endif
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/********************************************************************
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Starts InnoDB and creates a new database if database files
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are not found and the user wants. Server parameters are
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