X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=tests%2Ftest_urcu_timing.c;h=4de8896b77d024abe2d11b43ba5b9414f1bbbef3;hb=b5002bee0cfd9fab20edc7d2bfaa9d0c75628f5b;hp=27d973048a757cd7a86d95fbdcb8b71791220cde;hpb=ec4e58a3aba2084440012f8ccac3a31eb6101183;p=urcu.git diff --git a/tests/test_urcu_timing.c b/tests/test_urcu_timing.c index 27d9730..4de8896 100644 --- a/tests/test_urcu_timing.c +++ b/tests/test_urcu_timing.c @@ -3,7 +3,7 @@ * * Userspace RCU library - test program * - * Copyright February 2009 - Mathieu Desnoyers + * Copyright February 2009 - Mathieu Desnoyers * * 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 @@ -29,11 +29,12 @@ #include #include #include -#include +#include #include -/* Make this big enough to include the POWER5+ L3 cacheline size of 256B */ -#define CACHE_LINE_SIZE 4096 +#ifdef __linux__ +#include +#endif #if defined(_syscall0) _syscall0(pid_t, gettid) @@ -96,8 +97,8 @@ static int num_write; #define NR_READ num_read #define NR_WRITE num_write -static cycles_t __attribute__((aligned(CACHE_LINE_SIZE))) *reader_time; -static cycles_t __attribute__((aligned(CACHE_LINE_SIZE))) *writer_time; +static cycles_t __attribute__((aligned(CAA_CACHE_LINE_SIZE))) *reader_time; +static cycles_t __attribute__((aligned(CAA_CACHE_LINE_SIZE))) *writer_time; void *thr_reader(void *arg) { @@ -106,12 +107,13 @@ void *thr_reader(void *arg) cycles_t time1, time2; printf("thread_begin %s, thread id : %lx, tid %lu\n", - "reader", pthread_self(), (unsigned long)gettid()); + "reader", (unsigned long) pthread_self(), + (unsigned long) gettid()); sleep(2); rcu_register_thread(); - time1 = get_cycles(); + time1 = caa_get_cycles(); for (i = 0; i < OUTER_READ_LOOP; i++) { for (j = 0; j < INNER_READ_LOOP; j++) { rcu_read_lock(); @@ -122,7 +124,7 @@ void *thr_reader(void *arg) rcu_read_unlock(); } } - time2 = get_cycles(); + time2 = caa_get_cycles(); rcu_unregister_thread(); @@ -130,7 +132,8 @@ void *thr_reader(void *arg) sleep(2); printf("thread_end %s, thread id : %lx, tid %lu\n", - "reader", pthread_self(), (unsigned long)gettid()); + "reader", (unsigned long) pthread_self(), + (unsigned long) gettid()); return ((void*)1); } @@ -142,12 +145,13 @@ void *thr_writer(void *arg) cycles_t time1, time2; printf("thread_begin %s, thread id : %lx, tid %lu\n", - "writer", pthread_self(), (unsigned long)gettid()); + "writer", (unsigned long) pthread_self(), + (unsigned long) gettid()); sleep(2); for (i = 0; i < OUTER_WRITE_LOOP; i++) { for (j = 0; j < INNER_WRITE_LOOP; j++) { - time1 = get_cycles(); + time1 = caa_get_cycles(); new = malloc(sizeof(struct test_array)); rcu_copy_mutex_lock(); old = test_rcu_pointer; @@ -155,21 +159,23 @@ void *thr_writer(void *arg) assert(old->a == 8); } new->a = 8; - old = rcu_publish_content(&test_rcu_pointer, new); + old = rcu_xchg_pointer(&test_rcu_pointer, new); rcu_copy_mutex_unlock(); + synchronize_rcu(); /* can be done after unlock */ if (old) { old->a = 0; } free(old); - time2 = get_cycles(); + time2 = caa_get_cycles(); writer_time[(unsigned long)arg] += time2 - time1; usleep(1); } } printf("thread_end %s, thread id : %lx, tid %lu\n", - "writer", pthread_self(), (unsigned long)gettid()); + "writer", (unsigned long) pthread_self(), + (unsigned long) gettid()); return ((void*)2); } @@ -195,7 +201,8 @@ int main(int argc, char **argv) tid_writer = malloc(sizeof(*tid_writer) * num_write); printf("thread %-6s, thread id : %lx, tid %lu\n", - "main", pthread_self(), (unsigned long)gettid()); + "main", (unsigned long) pthread_self(), + (unsigned long) gettid()); for (i = 0; i < NR_READ; i++) { err = pthread_create(&tid_reader[i], NULL, thr_reader,