You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
476 lines
11 KiB
476 lines
11 KiB
/*
|
|
* Copyright 2011-2015 Samy Al Bahra.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef CK_COMMON_H
|
|
#define CK_COMMON_H
|
|
|
|
#include <ck_cc.h>
|
|
#include <ck_pr.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/time.h>
|
|
|
|
#ifdef __linux__
|
|
#include <sched.h>
|
|
#include <sys/types.h>
|
|
#include <sys/syscall.h>
|
|
#elif defined(__MACH__)
|
|
#include <mach/mach.h>
|
|
#include <mach/thread_policy.h>
|
|
#elif defined(__FreeBSD__)
|
|
#include <sys/param.h>
|
|
#include <sys/cpuset.h>
|
|
#endif
|
|
|
|
#if defined(_WIN32)
|
|
#include <assert.h>
|
|
#define NOMINMAX
|
|
#include <windows.h>
|
|
#define DELTA_EPOCH 11644473600000000ULL
|
|
#else
|
|
#include <signal.h>
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#ifndef CORES
|
|
#define CORES 8
|
|
#endif
|
|
|
|
CK_CC_INLINE static void
|
|
common_srand(unsigned int i)
|
|
{
|
|
#ifdef _WIN32
|
|
srand(i);
|
|
#else
|
|
srandom(i);
|
|
#endif
|
|
}
|
|
|
|
CK_CC_INLINE static int
|
|
common_rand(void)
|
|
{
|
|
#ifdef _WIN32
|
|
return rand();
|
|
#else
|
|
return random();
|
|
#endif
|
|
}
|
|
|
|
CK_CC_INLINE static int
|
|
common_rand_r(unsigned int *i)
|
|
{
|
|
#ifdef _WIN32
|
|
(void)i;
|
|
|
|
/*
|
|
* When linked with -mthreads, rand() is thread-safe.
|
|
* rand_s is also an option.
|
|
*/
|
|
return rand();
|
|
#else
|
|
return rand_r(i);
|
|
#endif
|
|
}
|
|
|
|
CK_CC_INLINE static void
|
|
common_srand48(long int i)
|
|
{
|
|
#ifdef _WIN32
|
|
srand(i);
|
|
#else
|
|
srand48(i);
|
|
#endif
|
|
}
|
|
|
|
CK_CC_INLINE static long int
|
|
common_lrand48(void)
|
|
{
|
|
#ifdef _WIN32
|
|
return rand();
|
|
#else
|
|
return lrand48();
|
|
#endif
|
|
}
|
|
|
|
CK_CC_INLINE static double
|
|
common_drand48(void)
|
|
{
|
|
#ifdef _WIN32
|
|
return (double)rand()/RAND_MAX;
|
|
#else
|
|
return drand48();
|
|
#endif
|
|
}
|
|
|
|
CK_CC_INLINE static void
|
|
common_sleep(unsigned int n)
|
|
{
|
|
#ifdef _WIN32
|
|
Sleep(n * 1000);
|
|
#else
|
|
sleep(n);
|
|
#endif
|
|
}
|
|
|
|
CK_CC_INLINE static int
|
|
common_gettimeofday(struct timeval *tv, void *tz)
|
|
{
|
|
#ifdef _WIN32
|
|
FILETIME ft;
|
|
uint64_t tmp_time = 0;
|
|
static bool tzflag = false;
|
|
struct timezone *tzp = tz;
|
|
|
|
if (tv != NULL) {
|
|
GetSystemTimeAsFileTime(&ft);
|
|
tmp_time |= ft.dwHighDateTime;
|
|
tmp_time <<= 32;
|
|
tmp_time |= ft.dwLowDateTime;
|
|
|
|
/* GetSystemTimeAsFileTime returns 100 nanosecond intervals. */
|
|
tmp_time /= 10;
|
|
|
|
/* Windows' epoch starts on 01/01/1601, while Unix' starts on 01/01/1970. */
|
|
tmp_time -= DELTA_EPOCH;
|
|
|
|
tv->tv_sec = (long)(tmp_time / 1000000UL);
|
|
tv->tv_usec = (long)(tmp_time % 1000000UL);
|
|
}
|
|
|
|
|
|
if (tz != NULL) {
|
|
if (tzflag == false) {
|
|
_tzset();
|
|
tzflag = true;
|
|
}
|
|
|
|
tzp->tz_minuteswest = _timezone / 60;
|
|
tzp->tz_dsttime = _daylight;
|
|
}
|
|
|
|
return 0;
|
|
#else
|
|
return gettimeofday(tv, tz);
|
|
#endif
|
|
}
|
|
|
|
CK_CC_UNUSED static unsigned int
|
|
common_alarm(void (*sig_handler)(int), void *alarm_event, unsigned int duration)
|
|
{
|
|
#ifdef _WIN32
|
|
(void)sig_handler;
|
|
(void)duration;
|
|
bool success;
|
|
HANDLE *alarm_handle = alarm_event;
|
|
success = SetEvent(*alarm_handle);
|
|
assert(success != false);
|
|
return 0;
|
|
#else
|
|
(void)alarm_event;
|
|
signal(SIGALRM, sig_handler);
|
|
return alarm(duration);
|
|
#endif
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
#ifndef SECOND_TIMER
|
|
#define SECOND_TIMER 10000000
|
|
#endif
|
|
#define COMMON_ALARM_DECLARE_GLOBAL(prefix, alarm_event_name, flag_name) \
|
|
static HANDLE prefix##_common_win_alarm_timer; \
|
|
static HANDLE alarm_event_name; \
|
|
static LARGE_INTEGER prefix##_common_alarm_timer_length; \
|
|
\
|
|
static void CALLBACK \
|
|
prefix##_common_win_alarm_handler(LPVOID arg, DWORD timer_low_value, DWORD timer_high_value) \
|
|
{ \
|
|
(void)arg; \
|
|
(void)timer_low_value; \
|
|
(void)timer_high_value; \
|
|
flag_name = true; \
|
|
return; \
|
|
} \
|
|
\
|
|
static void * \
|
|
prefix##_common_win_alarm(void *unused) \
|
|
{ \
|
|
(void)unused; \
|
|
bool timer_success = false; \
|
|
for (;;) { \
|
|
WaitForSingleObjectEx(alarm_event_name, INFINITE, true); \
|
|
timer_success = SetWaitableTimer(prefix##_common_win_alarm_timer, \
|
|
&prefix##_common_alarm_timer_length, \
|
|
0, \
|
|
prefix##_common_win_alarm_handler, NULL, false); \
|
|
assert(timer_success != false); \
|
|
WaitForSingleObjectEx(prefix##_common_win_alarm_timer, INFINITE, true); \
|
|
} \
|
|
\
|
|
return NULL; \
|
|
}
|
|
|
|
#define COMMON_ALARM_DECLARE_LOCAL(prefix, alarm_event_name) \
|
|
int64_t prefix##_common_alarm_tl; \
|
|
pthread_t prefix##_common_win_alarm_thread;
|
|
|
|
#define COMMON_ALARM_INIT(prefix, alarm_event_name, duration) \
|
|
prefix##_common_alarm_tl = -1 * (duration) * SECOND_TIMER; \
|
|
prefix##_common_alarm_timer_length.LowPart = \
|
|
(DWORD) (prefix##_common_alarm_tl & 0xFFFFFFFF); \
|
|
prefix##_common_alarm_timer_length.HighPart = \
|
|
(LONG) (prefix##_common_alarm_tl >> 32); \
|
|
alarm_event_name = CreateEvent(NULL, false, false, NULL); \
|
|
assert(alarm_event_name != NULL); \
|
|
prefix##_common_win_alarm_timer = CreateWaitableTimer(NULL, true, NULL); \
|
|
assert(prefix##_common_win_alarm_timer != NULL); \
|
|
if (pthread_create(&prefix##_common_win_alarm_thread, \
|
|
NULL, \
|
|
prefix##_common_win_alarm, \
|
|
NULL) != 0) \
|
|
ck_error("ERROR: Failed to create common_win_alarm thread.\n");
|
|
#else
|
|
#define COMMON_ALARM_DECLARE_GLOBAL(prefix, alarm_event_name, flag_name)
|
|
#define COMMON_ALARM_DECLARE_LOCAL(prefix, alarm_event_name) \
|
|
int alarm_event_name = 0;
|
|
#define COMMON_ALARM_INIT(prefix, alarm_event_name, duration)
|
|
#endif
|
|
|
|
struct affinity {
|
|
unsigned int delta;
|
|
unsigned int request;
|
|
};
|
|
|
|
#define AFFINITY_INITIALIZER {0, 0}
|
|
|
|
#ifdef __linux__
|
|
static pid_t
|
|
common_gettid(void)
|
|
{
|
|
return syscall(__NR_gettid);
|
|
}
|
|
|
|
CK_CC_UNUSED static int
|
|
aff_iterate(struct affinity *acb)
|
|
{
|
|
cpu_set_t s;
|
|
unsigned int c;
|
|
|
|
c = ck_pr_faa_uint(&acb->request, acb->delta);
|
|
CPU_ZERO(&s);
|
|
CPU_SET(c % CORES, &s);
|
|
|
|
if (sched_setaffinity(common_gettid(), sizeof(s), &s) != 0)
|
|
perror("WARNING: Could not affine thread");
|
|
|
|
return 0;
|
|
}
|
|
|
|
CK_CC_UNUSED static int
|
|
aff_iterate_core(struct affinity *acb, unsigned int *core)
|
|
{
|
|
cpu_set_t s;
|
|
|
|
*core = ck_pr_faa_uint(&acb->request, acb->delta);
|
|
CPU_ZERO(&s);
|
|
CPU_SET((*core) % CORES, &s);
|
|
|
|
if (sched_setaffinity(common_gettid(), sizeof(s), &s) != 0)
|
|
perror("WARNING: Could not affine thread");
|
|
|
|
return 0;
|
|
}
|
|
#elif defined(__MACH__)
|
|
CK_CC_UNUSED static int
|
|
aff_iterate(struct affinity *acb)
|
|
{
|
|
thread_affinity_policy_data_t policy;
|
|
unsigned int c;
|
|
|
|
c = ck_pr_faa_uint(&acb->request, acb->delta) % CORES;
|
|
policy.affinity_tag = c;
|
|
return thread_policy_set(mach_thread_self(),
|
|
THREAD_AFFINITY_POLICY,
|
|
(thread_policy_t)&policy,
|
|
THREAD_AFFINITY_POLICY_COUNT);
|
|
}
|
|
|
|
CK_CC_UNUSED static int
|
|
aff_iterate_core(struct affinity *acb, unsigned int *core)
|
|
{
|
|
thread_affinity_policy_data_t policy;
|
|
|
|
*core = ck_pr_faa_uint(&acb->request, acb->delta) % CORES;
|
|
policy.affinity_tag = *core;
|
|
return thread_policy_set(mach_thread_self(),
|
|
THREAD_AFFINITY_POLICY,
|
|
(thread_policy_t)&policy,
|
|
THREAD_AFFINITY_POLICY_COUNT);
|
|
}
|
|
#elif defined(__FreeBSD__)
|
|
CK_CC_UNUSED static int
|
|
aff_iterate(struct affinity *acb CK_CC_UNUSED)
|
|
{
|
|
unsigned int c;
|
|
cpuset_t mask;
|
|
|
|
c = ck_pr_faa_uint(&acb->request, acb->delta) % CORES;
|
|
CPU_ZERO(&mask);
|
|
CPU_SET(c, &mask);
|
|
return (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1,
|
|
sizeof(mask), &mask));
|
|
}
|
|
|
|
CK_CC_UNUSED static int
|
|
aff_iterate_core(struct affinity *acb CK_CC_UNUSED, unsigned int *core)
|
|
{
|
|
cpuset_t mask;
|
|
|
|
*core = ck_pr_faa_uint(&acb->request, acb->delta) % CORES;
|
|
CPU_ZERO(&mask);
|
|
CPU_SET(*core, &mask);
|
|
return (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1,
|
|
sizeof(mask), &mask));
|
|
}
|
|
#else
|
|
CK_CC_UNUSED static int
|
|
aff_iterate(struct affinity *acb CK_CC_UNUSED)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
CK_CC_UNUSED static int
|
|
aff_iterate_core(struct affinity *acb CK_CC_UNUSED, unsigned int *core)
|
|
{
|
|
*core = 0;
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
CK_CC_INLINE static uint64_t
|
|
rdtsc(void)
|
|
{
|
|
#if defined(__x86_64__)
|
|
uint32_t eax = 0, edx;
|
|
#if defined(CK_MD_RDTSCP)
|
|
__asm__ __volatile__("rdtscp"
|
|
: "+a" (eax), "=d" (edx)
|
|
:
|
|
: "%ecx", "memory");
|
|
|
|
return (((uint64_t)edx << 32) | eax);
|
|
#else
|
|
__asm__ __volatile__("cpuid;"
|
|
"rdtsc;"
|
|
: "+a" (eax), "=d" (edx)
|
|
:
|
|
: "%ebx", "%ecx", "memory");
|
|
|
|
__asm__ __volatile__("xorl %%eax, %%eax;"
|
|
"cpuid;"
|
|
:
|
|
:
|
|
: "%eax", "%ebx", "%ecx", "%edx", "memory");
|
|
|
|
return (((uint64_t)edx << 32) | eax);
|
|
#endif /* !CK_MD_RDTSCP */
|
|
#elif defined(__x86__)
|
|
uint32_t eax = 0, edx;
|
|
#if defined(CK_MD_RDTSCP)
|
|
__asm__ __volatile__("rdtscp"
|
|
: "+a" (eax), "=d" (edx)
|
|
:
|
|
: "%ecx", "memory");
|
|
|
|
return (((uint64_t)edx << 32) | eax);
|
|
#else
|
|
__asm__ __volatile__("pushl %%ebx;"
|
|
"cpuid;"
|
|
"rdtsc;"
|
|
: "+a" (eax), "=d" (edx)
|
|
:
|
|
: "%ecx", "memory");
|
|
|
|
__asm__ __volatile__("xorl %%eax, %%eax;"
|
|
"cpuid;"
|
|
"popl %%ebx;"
|
|
:
|
|
:
|
|
: "%eax", "%ecx", "%edx", "memory");
|
|
|
|
return (((uint64_t)edx << 32) | eax);
|
|
#endif /* !CK_MD_RDTSCP */
|
|
#elif defined(__sparcv9__)
|
|
uint64_t r;
|
|
|
|
__asm__ __volatile__("rd %%tick, %0"
|
|
: "=r" (r)
|
|
:
|
|
: "memory");
|
|
return r;
|
|
#elif defined(__ppc64__)
|
|
uint32_t high, low, snapshot;
|
|
|
|
do {
|
|
__asm__ __volatile__("isync;"
|
|
"mftbu %0;"
|
|
"mftb %1;"
|
|
"mftbu %2;"
|
|
: "=r" (high), "=r" (low), "=r" (snapshot)
|
|
:
|
|
: "memory");
|
|
} while (snapshot != high);
|
|
|
|
return (((uint64_t)high << 32) | low);
|
|
#elif defined(__aarch64__)
|
|
uint64_t r;
|
|
|
|
__asm __volatile__ ("mrs %0, cntvct_el0" : "=r" (r) : : "memory");
|
|
return r;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
CK_CC_USED static void
|
|
ck_error(const char *message, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, message);
|
|
vfprintf(stderr, message, ap);
|
|
va_end(ap);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
#define ck_test(A, B, ...) do { \
|
|
if (A) \
|
|
ck_error(B, ##__VA_ARGS__); \
|
|
} while (0)
|
|
|
|
#endif /* CK_COMMON_H */
|