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/*****************************************************************************
Copyright (c) 1994, 2009, Innobase Oy. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA
*****************************************************************************/
/*****************************************************************//**
@file ut/ut0dbg.c
Debug utilities for Innobase.
Created 1/30/1994 Heikki Tuuri
**********************************************************************/
#include "univ.i"
#include "ut0dbg.h"
#ifndef UNIV_HOTBACKUP
# include "ha_prototypes.h"
#endif /* !UNIV_HOTBACKUP */
#if defined(__GNUC__) && (__GNUC__ > 2)
#else
/** This is used to eliminate compiler warnings */
UNIV_INTERN ulint ut_dbg_zero = 0;
#endif
/*************************************************************//**
Report a failed assertion. */
UNIV_INTERN
void
ut_dbg_assertion_failed(
/*====================*/
const char* expr, /*!< in: the failed assertion (optional) */
const char* file, /*!< in: source file containing the assertion */
ulint line) /*!< in: line number of the assertion */
{
ut_print_timestamp(stderr);
#ifdef UNIV_HOTBACKUP
fprintf(stderr, " InnoDB: Assertion failure in file %s line %lu\n",
file, line);
#else /* UNIV_HOTBACKUP */
fprintf(stderr,
" InnoDB: Assertion failure in thread %lu"
" in file %s line %lu\n",
os_thread_pf(os_thread_get_curr_id()),
innobase_basename(file), line);
#endif /* UNIV_HOTBACKUP */
if (expr) {
fprintf(stderr,
"InnoDB: Failing assertion: %s\n", expr);
}
fputs("InnoDB: We intentionally generate a memory trap.\n"
"InnoDB: Submit a detailed bug report"
" to https://jira.mariadb.org/\n"
"InnoDB: If you get repeated assertion failures"
" or crashes, even\n"
"InnoDB: immediately after the mysqld startup, there may be\n"
"InnoDB: corruption in the InnoDB tablespace. Please refer to\n"
"InnoDB: " REFMAN "forcing-innodb-recovery.html\n"
"InnoDB: about forcing recovery.\n", stderr);
}
#ifdef UNIV_COMPILE_TEST_FUNCS
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
#ifndef timersub
#define timersub(a, b, r) \
do { \
(r)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(r)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((r)->tv_usec < 0) { \
(r)->tv_sec--; \
(r)->tv_usec += 1000000; \
} \
} while (0)
#endif /* timersub */
/*******************************************************************//**
Resets a speedo (records the current time in it). */
UNIV_INTERN
void
speedo_reset(
/*=========*/
speedo_t* speedo) /*!< out: speedo */
{
gettimeofday(&speedo->tv, NULL);
getrusage(RUSAGE_SELF, &speedo->ru);
}
/*******************************************************************//**
Shows the time elapsed and usage statistics since the last reset of a
speedo. */
UNIV_INTERN
void
speedo_show(
/*========*/
const speedo_t* speedo) /*!< in: speedo */
{
struct rusage ru_now;
struct timeval tv_now;
struct timeval tv_diff;
getrusage(RUSAGE_SELF, &ru_now);
gettimeofday(&tv_now, NULL);
#define PRINT_TIMEVAL(prefix, tvp) \
fprintf(stderr, "%s% 5ld.%06ld sec\n", \
prefix, (tvp)->tv_sec, (tvp)->tv_usec)
timersub(&tv_now, &speedo->tv, &tv_diff);
PRINT_TIMEVAL("real", &tv_diff);
timersub(&ru_now.ru_utime, &speedo->ru.ru_utime, &tv_diff);
PRINT_TIMEVAL("user", &tv_diff);
timersub(&ru_now.ru_stime, &speedo->ru.ru_stime, &tv_diff);
PRINT_TIMEVAL("sys ", &tv_diff);
}
#endif /* UNIV_COMPILE_TEST_FUNCS */
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