From 10c779f44ab3e9525f2d2a3c9a0aa9dedea5f1ec Mon Sep 17 00:00:00 2001 From: Noah Goldstein Date: Fri, 30 Sep 2022 21:13:26 -0700 Subject: Benchtests: Add bench for pthread_spin_{try}lock and mutex_trylock Reuses infrastructure from previous pthread_mutex_lock benchmarks to test other performance sensitive functions. --- benchtests/Makefile | 10 +- benchtests/bench-pthread-lock-base.c | 286 ++++++++++++++++++++++++++++++ benchtests/bench-pthread-mutex-lock.c | 32 ++++ benchtests/bench-pthread-mutex-locks.c | 288 ------------------------------- benchtests/bench-pthread-mutex-trylock.c | 37 ++++ benchtests/bench-pthread-spin-lock.c | 30 ++++ benchtests/bench-pthread-spin-trylock.c | 34 ++++ 7 files changed, 428 insertions(+), 289 deletions(-) create mode 100644 benchtests/bench-pthread-lock-base.c create mode 100644 benchtests/bench-pthread-mutex-lock.c delete mode 100644 benchtests/bench-pthread-mutex-locks.c create mode 100644 benchtests/bench-pthread-mutex-trylock.c create mode 100644 benchtests/bench-pthread-spin-lock.c create mode 100644 benchtests/bench-pthread-spin-trylock.c (limited to 'benchtests') diff --git a/benchtests/Makefile b/benchtests/Makefile index d99771be74..fc1cda7fc3 100644 --- a/benchtests/Makefile +++ b/benchtests/Makefile @@ -103,11 +103,19 @@ endif bench-pthread := \ pthread-locks \ - pthread-mutex-locks \ + pthread-mutex-lock \ + pthread-mutex-trylock \ + pthread-spin-lock \ + pthread-spin-trylock \ pthread_once \ thread_create \ # bench-pthread +LDLIBS-bench-pthread-mutex-lock += -lm +LDLIBS-bench-pthread-mutex-trylock += -lm +LDLIBS-bench-pthread-spin-lock += -lm +LDLIBS-bench-pthread-spin-trylock += -lm + bench-string := \ ffs \ ffsll \ diff --git a/benchtests/bench-pthread-lock-base.c b/benchtests/bench-pthread-lock-base.c new file mode 100644 index 0000000000..fac8a12b52 --- /dev/null +++ b/benchtests/bench-pthread-lock-base.c @@ -0,0 +1,286 @@ +/* Measure lock functions for different threads and critical sections. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define TEST_MAIN +#define TIMEOUT (20 * 60) + +#include +#include +#include +#include +#include +#include +#include +#include +#include "bench-timing.h" +#include "json-lib.h" + +static bench_lock_t lock; +static bench_lock_attr_t attr; +static pthread_barrier_t barrier; + +#define START_ITERS 1000 + +#pragma GCC push_options +#pragma GCC optimize(1) + +static int __attribute__ ((noinline)) fibonacci (int i) +{ + asm(""); + if (i > 2) + return fibonacci (i - 1) + fibonacci (i - 2); + return 10 + i; +} + +static void +do_filler (void) +{ + char buf1[512], buf2[512]; + int f = fibonacci (4); + memcpy (buf1, buf2, f); +} + +static void +do_filler_shared (void) +{ + static char buf1[512], buf2[512]; + int f = fibonacci (4); + memcpy (buf1, buf2, f); +} + +#pragma GCC pop_options + +#define UNIT_WORK_CRT do_filler_shared () +#define UNIT_WORK_NON_CRT do_filler () + +static inline void +critical_section (int length) +{ + for (int i = length; i >= 0; i--) + UNIT_WORK_CRT; +} + +static inline void +non_critical_section (int length) +{ + for (int i = length; i >= 0; i--) + UNIT_WORK_NON_CRT; +} + +typedef struct Worker_Params +{ + long iters; + int crt_len; + int non_crt_len; + timing_t duration; +} Worker_Params; + +static void * +worker (void *v) +{ + timing_t start, stop; + Worker_Params *p = (Worker_Params *) v; + long iters = p->iters; + int crt_len = p->crt_len; + int non_crt_len = p->non_crt_len; + + pthread_barrier_wait (&barrier); + TIMING_NOW (start); + while (iters--) + { + LOCK (&lock); + critical_section (crt_len); + UNLOCK (&lock); + non_critical_section (non_crt_len); + } + TIMING_NOW (stop); + + TIMING_DIFF (p->duration, start, stop); + return NULL; +} + +static double +do_one_test (int num_threads, int crt_len, int non_crt_len, long iters) +{ + int i; + timing_t mean; + Worker_Params *p, params[num_threads]; + pthread_t threads[num_threads]; + + LOCK_INIT (&lock, &attr); + pthread_barrier_init (&barrier, NULL, num_threads); + + for (i = 0; i < num_threads; i++) + { + p = ¶ms[i]; + p->iters = iters; + p->crt_len = crt_len; + p->non_crt_len = non_crt_len; + pthread_create (&threads[i], NULL, worker, (void *) p); + } + for (i = 0; i < num_threads; i++) + pthread_join (threads[i], NULL); + + LOCK_DESTROY (&lock); + pthread_barrier_destroy (&barrier); + + mean = 0; + for (i = 0; i < num_threads; i++) + mean += params[i].duration; + mean /= num_threads; + return mean; +} + +#define RUN_COUNT 10 +#define MIN_TEST_SEC 0.01 + +static void +do_bench_one (const char *name, int num_threads, int crt_len, int non_crt_len, + json_ctx_t *js) +{ + timing_t cur; + struct timeval ts, te; + double tsd, ted, td; + long iters, iters_limit, total_iters; + timing_t curs[RUN_COUNT + 2]; + int i, j; + double mean, stdev; + + iters = START_ITERS; + iters_limit = LONG_MAX / 100; + + while (1) + { + gettimeofday (&ts, NULL); + cur = do_one_test (num_threads, crt_len, non_crt_len, iters); + gettimeofday (&te, NULL); + /* Make sure the test to run at least MIN_TEST_SEC. */ + tsd = ts.tv_sec + ts.tv_usec / 1000000.0; + ted = te.tv_sec + te.tv_usec / 1000000.0; + td = ted - tsd; + if (td >= MIN_TEST_SEC || iters >= iters_limit) + break; + + iters *= 10; + } + + curs[0] = cur; + for (i = 1; i < RUN_COUNT + 2; i++) + curs[i] = do_one_test (num_threads, crt_len, non_crt_len, iters); + + /* Sort the results so we can discard the fastest and slowest + times as outliers. */ + for (i = 0; i < RUN_COUNT + 1; i++) + for (j = i + 1; j < RUN_COUNT + 2; j++) + if (curs[i] > curs[j]) + { + timing_t temp = curs[i]; + curs[i] = curs[j]; + curs[j] = temp; + } + + /* Calculate mean and standard deviation. */ + mean = 0.0; + total_iters = iters * num_threads; + for (i = 1; i < RUN_COUNT + 1; i++) + mean += (double) curs[i] / (double) total_iters; + mean /= RUN_COUNT; + + stdev = 0.0; + for (i = 1; i < RUN_COUNT + 1; i++) + { + double s = (double) curs[i] / (double) total_iters - mean; + stdev += s * s; + } + stdev = sqrt (stdev / (RUN_COUNT - 1)); + + char buf[256]; + snprintf (buf, sizeof buf, "%s,non_crt_len=%d,crt_len=%d,threads=%d", name, + non_crt_len, crt_len, num_threads); + + json_attr_object_begin (js, buf); + + json_attr_double (js, "duration", (double) cur); + json_attr_double (js, "iterations", (double) total_iters); + json_attr_double (js, "mean", mean); + json_attr_double (js, "stdev", stdev); + json_attr_double (js, "min-outlier", + (double) curs[0] / (double) total_iters); + json_attr_double (js, "min", (double) curs[1] / (double) total_iters); + json_attr_double (js, "max", + (double) curs[RUN_COUNT] / (double) total_iters); + json_attr_double (js, "max-outlier", + (double) curs[RUN_COUNT + 1] / (double) total_iters); + + json_attr_object_end (js); +} + +#define TH_CONF_MAX 10 + +int +do_bench (void) +{ + int rv = 0; + json_ctx_t json_ctx; + int i, j, k; + int th_num, th_conf, nprocs; + int threads[TH_CONF_MAX]; + int crt_lens[] = { 0, 1, 2, 4, 8, 16, 32, 64, 128 }; + int non_crt_lens[] = { 1, 32, 128 }; + char name[128]; + + json_init (&json_ctx, 2, stdout); + json_attr_object_begin (&json_ctx, TEST_NAME); + + /* The thread config begins from 1, and increases by 2x until nprocs. + We also wants to test over-saturation case (1.25*nprocs). */ + nprocs = get_nprocs (); + th_num = 1; + for (th_conf = 0; th_conf < (TH_CONF_MAX - 2) && th_num < nprocs; th_conf++) + { + threads[th_conf] = th_num; + th_num <<= 1; + } + threads[th_conf++] = nprocs; + threads[th_conf++] = nprocs + nprocs / 4; + + LOCK_ATTR_INIT (&attr); + snprintf (name, sizeof name, "type=adaptive"); + + for (k = 0; k < (sizeof (non_crt_lens) / sizeof (int)); k++) + { + int non_crt_len = non_crt_lens[k]; + for (j = 0; j < (sizeof (crt_lens) / sizeof (int)); j++) + { + int crt_len = crt_lens[j]; + for (i = 0; i < th_conf; i++) + { + th_num = threads[i]; + do_bench_one (name, th_num, crt_len, non_crt_len, &json_ctx); + } + } + } + + json_attr_object_end (&json_ctx); + + return rv; +} + +#define TEST_FUNCTION do_bench () + +#include "../test-skeleton.c" diff --git a/benchtests/bench-pthread-mutex-lock.c b/benchtests/bench-pthread-mutex-lock.c new file mode 100644 index 0000000000..16556d4116 --- /dev/null +++ b/benchtests/bench-pthread-mutex-lock.c @@ -0,0 +1,32 @@ +/* Measure mutex_lock for different threads and critical sections. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define LOCK(lock) pthread_mutex_lock (lock) +#define UNLOCK(lock) pthread_mutex_unlock (lock) +#define LOCK_INIT(lock, attr) pthread_mutex_init (lock, attr) +#define LOCK_DESTROY(lock) pthread_mutex_destroy (lock) +#define LOCK_ATTR_INIT(attr) \ + pthread_mutexattr_init (attr); \ + pthread_mutexattr_settype (attr, PTHREAD_MUTEX_ADAPTIVE_NP); + +#define bench_lock_t pthread_mutex_t +#define bench_lock_attr_t pthread_mutexattr_t + +#define TEST_NAME "pthread-mutex-lock" + +#include "bench-pthread-lock-base.c" diff --git a/benchtests/bench-pthread-mutex-locks.c b/benchtests/bench-pthread-mutex-locks.c deleted file mode 100644 index 1685b9dd1f..0000000000 --- a/benchtests/bench-pthread-mutex-locks.c +++ /dev/null @@ -1,288 +0,0 @@ -/* Measure mutex_lock for different threads and critical sections. - Copyright (C) 2022 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - . */ - -#define TEST_MAIN -#define TEST_NAME "pthread-mutex-locks" -#define TIMEOUT (20 * 60) - -#include -#include -#include -#include -#include -#include -#include -#include -#include "bench-timing.h" -#include "json-lib.h" - -static pthread_mutex_t lock; -static pthread_mutexattr_t attr; -static pthread_barrier_t barrier; - -#define START_ITERS 1000 - -#pragma GCC push_options -#pragma GCC optimize(1) - -static int __attribute__ ((noinline)) fibonacci (int i) -{ - asm(""); - if (i > 2) - return fibonacci (i - 1) + fibonacci (i - 2); - return 10 + i; -} - -static void -do_filler (void) -{ - char buf1[512], buf2[512]; - int f = fibonacci (4); - memcpy (buf1, buf2, f); -} - -static void -do_filler_shared (void) -{ - static char buf1[512], buf2[512]; - int f = fibonacci (4); - memcpy (buf1, buf2, f); -} - -#pragma GCC pop_options - -#define UNIT_WORK_CRT do_filler_shared () -#define UNIT_WORK_NON_CRT do_filler () - -static inline void -critical_section (int length) -{ - for (int i = length; i >= 0; i--) - UNIT_WORK_CRT; -} - -static inline void -non_critical_section (int length) -{ - for (int i = length; i >= 0; i--) - UNIT_WORK_NON_CRT; -} - -typedef struct Worker_Params -{ - long iters; - int crt_len; - int non_crt_len; - timing_t duration; -} Worker_Params; - -static void * -worker (void *v) -{ - timing_t start, stop; - Worker_Params *p = (Worker_Params *) v; - long iters = p->iters; - int crt_len = p->crt_len; - int non_crt_len = p->non_crt_len; - - pthread_barrier_wait (&barrier); - TIMING_NOW (start); - while (iters--) - { - pthread_mutex_lock (&lock); - critical_section (crt_len); - pthread_mutex_unlock (&lock); - non_critical_section (non_crt_len); - } - TIMING_NOW (stop); - - TIMING_DIFF (p->duration, start, stop); - return NULL; -} - -static double -do_one_test (int num_threads, int crt_len, int non_crt_len, long iters) -{ - int i; - timing_t mean; - Worker_Params *p, params[num_threads]; - pthread_t threads[num_threads]; - - pthread_mutex_init (&lock, &attr); - pthread_barrier_init (&barrier, NULL, num_threads); - - for (i = 0; i < num_threads; i++) - { - p = ¶ms[i]; - p->iters = iters; - p->crt_len = crt_len; - p->non_crt_len = non_crt_len; - pthread_create (&threads[i], NULL, worker, (void *) p); - } - for (i = 0; i < num_threads; i++) - pthread_join (threads[i], NULL); - - pthread_mutex_destroy (&lock); - pthread_barrier_destroy (&barrier); - - mean = 0; - for (i = 0; i < num_threads; i++) - mean += params[i].duration; - mean /= num_threads; - return mean; -} - -#define RUN_COUNT 10 -#define MIN_TEST_SEC 0.01 - -static void -do_bench_one (const char *name, int num_threads, int crt_len, int non_crt_len, - json_ctx_t *js) -{ - timing_t cur; - struct timeval ts, te; - double tsd, ted, td; - long iters, iters_limit, total_iters; - timing_t curs[RUN_COUNT + 2]; - int i, j; - double mean, stdev; - - iters = START_ITERS; - iters_limit = LONG_MAX / 100; - - while (1) - { - gettimeofday (&ts, NULL); - cur = do_one_test (num_threads, crt_len, non_crt_len, iters); - gettimeofday (&te, NULL); - /* Make sure the test to run at least MIN_TEST_SEC. */ - tsd = ts.tv_sec + ts.tv_usec / 1000000.0; - ted = te.tv_sec + te.tv_usec / 1000000.0; - td = ted - tsd; - if (td >= MIN_TEST_SEC || iters >= iters_limit) - break; - - iters *= 10; - } - - curs[0] = cur; - for (i = 1; i < RUN_COUNT + 2; i++) - curs[i] = do_one_test (num_threads, crt_len, non_crt_len, iters); - - /* Sort the results so we can discard the fastest and slowest - times as outliers. */ - for (i = 0; i < RUN_COUNT + 1; i++) - for (j = i + 1; j < RUN_COUNT + 2; j++) - if (curs[i] > curs[j]) - { - timing_t temp = curs[i]; - curs[i] = curs[j]; - curs[j] = temp; - } - - /* Calculate mean and standard deviation. */ - mean = 0.0; - total_iters = iters * num_threads; - for (i = 1; i < RUN_COUNT + 1; i++) - mean += (double) curs[i] / (double) total_iters; - mean /= RUN_COUNT; - - stdev = 0.0; - for (i = 1; i < RUN_COUNT + 1; i++) - { - double s = (double) curs[i] / (double) total_iters - mean; - stdev += s * s; - } - stdev = sqrt (stdev / (RUN_COUNT - 1)); - - char buf[256]; - snprintf (buf, sizeof buf, "%s,non_crt_len=%d,crt_len=%d,threads=%d", name, - non_crt_len, crt_len, num_threads); - - json_attr_object_begin (js, buf); - - json_attr_double (js, "duration", (double) cur); - json_attr_double (js, "iterations", (double) total_iters); - json_attr_double (js, "mean", mean); - json_attr_double (js, "stdev", stdev); - json_attr_double (js, "min-outlier", - (double) curs[0] / (double) total_iters); - json_attr_double (js, "min", (double) curs[1] / (double) total_iters); - json_attr_double (js, "max", - (double) curs[RUN_COUNT] / (double) total_iters); - json_attr_double (js, "max-outlier", - (double) curs[RUN_COUNT + 1] / (double) total_iters); - - json_attr_object_end (js); -} - -#define TH_CONF_MAX 10 - -int -do_bench (void) -{ - int rv = 0; - json_ctx_t json_ctx; - int i, j, k; - int th_num, th_conf, nprocs; - int threads[TH_CONF_MAX]; - int crt_lens[] = { 0, 1, 2, 4, 8, 16, 32, 64, 128 }; - int non_crt_lens[] = { 1, 32, 128 }; - char name[128]; - - json_init (&json_ctx, 2, stdout); - json_attr_object_begin (&json_ctx, "pthread_mutex_locks"); - - /* The thread config begins from 1, and increases by 2x until nprocs. - We also wants to test over-saturation case (1.25*nprocs). */ - nprocs = get_nprocs (); - th_num = 1; - for (th_conf = 0; th_conf < (TH_CONF_MAX - 2) && th_num < nprocs; th_conf++) - { - threads[th_conf] = th_num; - th_num <<= 1; - } - threads[th_conf++] = nprocs; - threads[th_conf++] = nprocs + nprocs / 4; - - pthread_mutexattr_init (&attr); - pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_ADAPTIVE_NP); - snprintf (name, sizeof name, "type=adaptive"); - - for (k = 0; k < (sizeof (non_crt_lens) / sizeof (int)); k++) - { - int non_crt_len = non_crt_lens[k]; - for (j = 0; j < (sizeof (crt_lens) / sizeof (int)); j++) - { - int crt_len = crt_lens[j]; - for (i = 0; i < th_conf; i++) - { - th_num = threads[i]; - do_bench_one (name, th_num, crt_len, non_crt_len, &json_ctx); - } - } - } - - json_attr_object_end (&json_ctx); - - return rv; -} - -#define TEST_FUNCTION do_bench () - -#include "../test-skeleton.c" diff --git a/benchtests/bench-pthread-mutex-trylock.c b/benchtests/bench-pthread-mutex-trylock.c new file mode 100644 index 0000000000..66318f499f --- /dev/null +++ b/benchtests/bench-pthread-mutex-trylock.c @@ -0,0 +1,37 @@ +/* Measure mutex_trylock for different threads and critical sections. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define LOCK(lock) \ + while (pthread_mutex_trylock (lock) != 0) \ + { \ + non_critical_section (non_crt_len); \ + } + +#define UNLOCK(lock) pthread_mutex_unlock (lock) +#define LOCK_INIT(lock, attr) pthread_mutex_init (lock, attr) +#define LOCK_DESTROY(lock) pthread_mutex_destroy (lock) +#define LOCK_ATTR_INIT(attr) \ + pthread_mutexattr_init (attr); \ + pthread_mutexattr_settype (attr, PTHREAD_MUTEX_ADAPTIVE_NP); + +#define bench_lock_t pthread_mutex_t +#define bench_lock_attr_t pthread_mutexattr_t + +#define TEST_NAME "pthread-mutex-trylock" + +#include "bench-pthread-lock-base.c" diff --git a/benchtests/bench-pthread-spin-lock.c b/benchtests/bench-pthread-spin-lock.c new file mode 100644 index 0000000000..2174933d6b --- /dev/null +++ b/benchtests/bench-pthread-spin-lock.c @@ -0,0 +1,30 @@ +/* Measure mutex_trylock for different threads and critical sections. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define LOCK(lock) pthread_spin_lock (lock) +#define UNLOCK(lock) pthread_spin_unlock (lock) +#define LOCK_INIT(lock, attr) pthread_spin_init (lock, *(attr)) +#define LOCK_DESTROY(lock) pthread_spin_destroy (lock) +#define LOCK_ATTR_INIT(attr) *(attr) = 0 + +#define bench_lock_t pthread_spinlock_t +#define bench_lock_attr_t int + +#define TEST_NAME "pthread-spin-lock" + +#include "bench-pthread-lock-base.c" diff --git a/benchtests/bench-pthread-spin-trylock.c b/benchtests/bench-pthread-spin-trylock.c new file mode 100644 index 0000000000..49eb972761 --- /dev/null +++ b/benchtests/bench-pthread-spin-trylock.c @@ -0,0 +1,34 @@ +/* Measure spin_trylock for different threads and critical sections. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define LOCK(lock) \ + while (pthread_spin_lock (lock) != 0) \ + { \ + non_critical_section (non_crt_len); \ + } +#define UNLOCK(lock) pthread_spin_unlock (lock) +#define LOCK_INIT(lock, attr) pthread_spin_init (lock, *(attr)) +#define LOCK_DESTROY(lock) pthread_spin_destroy (lock) +#define LOCK_ATTR_INIT(attr) *(attr) = 0 + +#define bench_lock_t pthread_spinlock_t +#define bench_lock_attr_t int + +#define TEST_NAME "pthread-spin-trylock" + +#include "bench-pthread-lock-base.c" -- cgit 1.4.1