Adding upstream version 0.6.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
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465 changed files with 60158 additions and 0 deletions
471
regressions/common.h
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471
regressions/common.h
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/*
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* Copyright 2011-2015 Samy Al Bahra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef CK_COMMON_H
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#define CK_COMMON_H
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#include <ck_cc.h>
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#include <ck_pr.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#ifdef __linux__
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#include <sched.h>
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#include <sys/types.h>
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#include <sys/syscall.h>
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#elif defined(__MACH__)
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#include <mach/mach.h>
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#include <mach/thread_policy.h>
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#elif defined(__FreeBSD__)
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#include <sys/param.h>
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#include <sys/cpuset.h>
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#endif
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#if defined(_WIN32)
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#include <assert.h>
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#define NOMINMAX
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#include <windows.h>
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#define DELTA_EPOCH 11644473600000000ULL
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#else
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#include <signal.h>
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#include <unistd.h>
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#endif
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#ifndef CORES
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#define CORES 8
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#endif
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CK_CC_INLINE static void
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common_srand(unsigned int i)
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{
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#ifdef _WIN32
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srand(i);
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#else
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srandom(i);
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#endif
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}
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CK_CC_INLINE static int
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common_rand(void)
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{
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#ifdef _WIN32
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return rand();
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#else
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return random();
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#endif
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}
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CK_CC_INLINE static int
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common_rand_r(unsigned int *i)
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{
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#ifdef _WIN32
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(void)i;
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/*
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* When linked with -mthreads, rand() is thread-safe.
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* rand_s is also an option.
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*/
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return rand();
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#else
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return rand_r(i);
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#endif
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}
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CK_CC_INLINE static void
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common_srand48(long int i)
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{
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#ifdef _WIN32
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srand(i);
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#else
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srand48(i);
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#endif
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}
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CK_CC_INLINE static long int
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common_lrand48(void)
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{
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#ifdef _WIN32
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return rand();
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#else
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return lrand48();
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#endif
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}
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CK_CC_INLINE static double
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common_drand48(void)
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{
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#ifdef _WIN32
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return (double)rand()/RAND_MAX;
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#else
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return drand48();
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#endif
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}
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CK_CC_INLINE static void
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common_sleep(unsigned int n)
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{
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#ifdef _WIN32
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Sleep(n * 1000);
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#else
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sleep(n);
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#endif
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}
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CK_CC_INLINE static int
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common_gettimeofday(struct timeval *tv, void *tz)
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{
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#ifdef _WIN32
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FILETIME ft;
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uint64_t tmp_time = 0;
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static bool tzflag = false;
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struct timezone *tzp = tz;
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if (tv != NULL) {
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GetSystemTimeAsFileTime(&ft);
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tmp_time |= ft.dwHighDateTime;
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tmp_time <<= 32;
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tmp_time |= ft.dwLowDateTime;
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/* GetSystemTimeAsFileTime returns 100 nanosecond intervals. */
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tmp_time /= 10;
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/* Windows' epoch starts on 01/01/1601, while Unix' starts on 01/01/1970. */
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tmp_time -= DELTA_EPOCH;
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tv->tv_sec = (long)(tmp_time / 1000000UL);
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tv->tv_usec = (long)(tmp_time % 1000000UL);
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}
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if (tz != NULL) {
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if (tzflag == false) {
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_tzset();
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tzflag = true;
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}
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tzp->tz_minuteswest = _timezone / 60;
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tzp->tz_dsttime = _daylight;
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}
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return 0;
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#else
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return gettimeofday(tv, tz);
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#endif
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}
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CK_CC_UNUSED static unsigned int
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common_alarm(void (*sig_handler)(int), void *alarm_event, unsigned int duration)
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{
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#ifdef _WIN32
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(void)sig_handler;
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(void)duration;
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bool success;
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HANDLE *alarm_handle = alarm_event;
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success = SetEvent(*alarm_handle);
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assert(success != false);
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return 0;
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#else
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(void)alarm_event;
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signal(SIGALRM, sig_handler);
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return alarm(duration);
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#endif
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}
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#ifdef _WIN32
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#ifndef SECOND_TIMER
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#define SECOND_TIMER 10000000
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#endif
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#define COMMON_ALARM_DECLARE_GLOBAL(prefix, alarm_event_name, flag_name) \
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static HANDLE prefix##_common_win_alarm_timer; \
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static HANDLE alarm_event_name; \
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static LARGE_INTEGER prefix##_common_alarm_timer_length; \
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\
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static void CALLBACK \
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prefix##_common_win_alarm_handler(LPVOID arg, DWORD timer_low_value, DWORD timer_high_value) \
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{ \
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(void)arg; \
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(void)timer_low_value; \
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(void)timer_high_value; \
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flag_name = true; \
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return; \
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} \
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\
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static void * \
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prefix##_common_win_alarm(void *unused) \
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{ \
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(void)unused; \
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bool timer_success = false; \
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for (;;) { \
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WaitForSingleObjectEx(alarm_event_name, INFINITE, true); \
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timer_success = SetWaitableTimer(prefix##_common_win_alarm_timer, \
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&prefix##_common_alarm_timer_length, \
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0, \
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prefix##_common_win_alarm_handler, NULL, false); \
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assert(timer_success != false); \
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WaitForSingleObjectEx(prefix##_common_win_alarm_timer, INFINITE, true); \
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} \
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\
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return NULL; \
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}
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#define COMMON_ALARM_DECLARE_LOCAL(prefix, alarm_event_name) \
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int64_t prefix##_common_alarm_tl; \
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pthread_t prefix##_common_win_alarm_thread;
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#define COMMON_ALARM_INIT(prefix, alarm_event_name, duration) \
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prefix##_common_alarm_tl = -1 * (duration) * SECOND_TIMER; \
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prefix##_common_alarm_timer_length.LowPart = \
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(DWORD) (prefix##_common_alarm_tl & 0xFFFFFFFF); \
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prefix##_common_alarm_timer_length.HighPart = \
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(LONG) (prefix##_common_alarm_tl >> 32); \
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alarm_event_name = CreateEvent(NULL, false, false, NULL); \
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assert(alarm_event_name != NULL); \
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prefix##_common_win_alarm_timer = CreateWaitableTimer(NULL, true, NULL); \
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assert(prefix##_common_win_alarm_timer != NULL); \
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if (pthread_create(&prefix##_common_win_alarm_thread, \
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NULL, \
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prefix##_common_win_alarm, \
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NULL) != 0) \
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ck_error("ERROR: Failed to create common_win_alarm thread.\n");
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#else
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#define COMMON_ALARM_DECLARE_GLOBAL(prefix, alarm_event_name, flag_name)
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#define COMMON_ALARM_DECLARE_LOCAL(prefix, alarm_event_name) \
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int alarm_event_name = 0;
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#define COMMON_ALARM_INIT(prefix, alarm_event_name, duration)
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#endif
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struct affinity {
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unsigned int delta;
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unsigned int request;
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};
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#define AFFINITY_INITIALIZER {0, 0}
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#ifdef __linux__
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#ifndef gettid
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static pid_t
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gettid(void)
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{
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return syscall(__NR_gettid);
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}
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#endif /* gettid */
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CK_CC_UNUSED static int
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aff_iterate(struct affinity *acb)
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{
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cpu_set_t s;
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unsigned int c;
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c = ck_pr_faa_uint(&acb->request, acb->delta);
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CPU_ZERO(&s);
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CPU_SET(c % CORES, &s);
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return sched_setaffinity(gettid(), sizeof(s), &s);
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}
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CK_CC_UNUSED static int
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aff_iterate_core(struct affinity *acb, unsigned int *core)
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{
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cpu_set_t s;
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*core = ck_pr_faa_uint(&acb->request, acb->delta);
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CPU_ZERO(&s);
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CPU_SET((*core) % CORES, &s);
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return sched_setaffinity(gettid(), sizeof(s), &s);
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}
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#elif defined(__MACH__)
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CK_CC_UNUSED static int
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aff_iterate(struct affinity *acb)
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{
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thread_affinity_policy_data_t policy;
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unsigned int c;
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c = ck_pr_faa_uint(&acb->request, acb->delta) % CORES;
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policy.affinity_tag = c;
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return thread_policy_set(mach_thread_self(),
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THREAD_AFFINITY_POLICY,
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(thread_policy_t)&policy,
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THREAD_AFFINITY_POLICY_COUNT);
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}
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CK_CC_UNUSED static int
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aff_iterate_core(struct affinity *acb, unsigned int *core)
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{
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thread_affinity_policy_data_t policy;
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*core = ck_pr_faa_uint(&acb->request, acb->delta) % CORES;
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policy.affinity_tag = *core;
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return thread_policy_set(mach_thread_self(),
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THREAD_AFFINITY_POLICY,
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(thread_policy_t)&policy,
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THREAD_AFFINITY_POLICY_COUNT);
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}
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#elif defined(__FreeBSD__)
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CK_CC_UNUSED static int
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aff_iterate(struct affinity *acb CK_CC_UNUSED)
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{
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unsigned int c;
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cpuset_t mask;
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c = ck_pr_faa_uint(&acb->request, acb->delta) % CORES;
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CPU_ZERO(&mask);
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CPU_SET(c, &mask);
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return (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1,
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sizeof(mask), &mask));
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}
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CK_CC_UNUSED static int
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aff_iterate_core(struct affinity *acb CK_CC_UNUSED, unsigned int *core)
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{
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cpuset_t mask;
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*core = ck_pr_faa_uint(&acb->request, acb->delta) % CORES;
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CPU_ZERO(&mask);
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CPU_SET(*core, &mask);
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return (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1,
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sizeof(mask), &mask));
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}
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#else
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CK_CC_UNUSED static int
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aff_iterate(struct affinity *acb CK_CC_UNUSED)
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{
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return (0);
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}
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CK_CC_UNUSED static int
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aff_iterate_core(struct affinity *acb CK_CC_UNUSED, unsigned int *core)
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{
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*core = 0;
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return (0);
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}
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#endif
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CK_CC_INLINE static uint64_t
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rdtsc(void)
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{
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#if defined(__x86_64__)
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uint32_t eax = 0, edx;
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#if defined(CK_MD_RDTSCP)
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__asm__ __volatile__("rdtscp"
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: "+a" (eax), "=d" (edx)
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:
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: "%ecx", "memory");
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return (((uint64_t)edx << 32) | eax);
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#else
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__asm__ __volatile__("cpuid;"
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"rdtsc;"
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: "+a" (eax), "=d" (edx)
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:
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: "%ebx", "%ecx", "memory");
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__asm__ __volatile__("xorl %%eax, %%eax;"
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"cpuid;"
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:
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:
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: "%eax", "%ebx", "%ecx", "%edx", "memory");
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return (((uint64_t)edx << 32) | eax);
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#endif /* !CK_MD_RDTSCP */
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#elif defined(__x86__)
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uint32_t eax = 0, edx;
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#if defined(CK_MD_RDTSCP)
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__asm__ __volatile__("rdtscp"
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: "+a" (eax), "=d" (edx)
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:
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: "%ecx", "memory");
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return (((uint64_t)edx << 32) | eax);
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#else
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__asm__ __volatile__("pushl %%ebx;"
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"cpuid;"
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"rdtsc;"
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: "+a" (eax), "=d" (edx)
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:
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: "%ecx", "memory");
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__asm__ __volatile__("xorl %%eax, %%eax;"
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"cpuid;"
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"popl %%ebx;"
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:
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:
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: "%eax", "%ecx", "%edx", "memory");
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return (((uint64_t)edx << 32) | eax);
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#endif /* !CK_MD_RDTSCP */
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#elif defined(__sparcv9__)
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uint64_t r;
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__asm__ __volatile__("rd %%tick, %0"
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: "=r" (r)
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:
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: "memory");
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return r;
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#elif defined(__ppc64__)
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uint32_t high, low, snapshot;
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do {
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__asm__ __volatile__("isync;"
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"mftbu %0;"
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"mftb %1;"
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"mftbu %2;"
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: "=r" (high), "=r" (low), "=r" (snapshot)
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:
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: "memory");
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} while (snapshot != high);
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return (((uint64_t)high << 32) | low);
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#elif defined(__aarch64__)
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uint64_t r;
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__asm __volatile__ ("mrs %0, cntvct_el0" : "=r" (r) : : "memory");
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return r;
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#else
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return 0;
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#endif
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}
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CK_CC_USED static void
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ck_error(const char *message, ...)
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{
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va_list ap;
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va_start(ap, message);
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vfprintf(stderr, message, ap);
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va_end(ap);
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exit(EXIT_FAILURE);
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}
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#define ck_test(A, B, ...) do { \
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if (A) \
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ck_error(B, ##__VA_ARGS__); \
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} while (0)
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#endif /* CK_COMMON_H */
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