X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_qsbr.c;h=85d8430c5f7a8cadd28519c14a4846139f01f612;hp=d5d893c338aad555ff58bb988246338067f56aed;hb=a5bae03d59c22e57263b8610b9fed99738303cf0;hpb=bcc74df39fa57a21aa977ef14e02ed8ab13c37e2 diff --git a/tests/test_urcu_qsbr.c b/tests/test_urcu_qsbr.c index d5d893c..85d8430 100644 --- a/tests/test_urcu_qsbr.c +++ b/tests/test_urcu_qsbr.c @@ -31,34 +31,16 @@ #include #include #include -#include #include #include #include - -#ifdef __linux__ -#include -#endif +#include "cpuset.h" +#include "thread-id.h" /* hardcoded number of CPUs */ #define NR_CPUS 16384 -#if defined(_syscall0) -_syscall0(pid_t, gettid) -#elif defined(__NR_gettid) -static inline pid_t gettid(void) -{ - return syscall(__NR_gettid); -} -#else -#warning "use pid as tid" -static inline pid_t gettid(void) -{ - return getpid(); -} -#endif - #ifndef DYNAMIC_LINK_TEST #define _LGPL_SOURCE #else @@ -100,12 +82,6 @@ static int use_affinity = 0; pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER; -#ifndef HAVE_CPU_SET_T -typedef unsigned long cpu_set_t; -# define CPU_ZERO(cpuset) do { *(cpuset) = 0; } while(0) -# define CPU_SET(cpu, cpuset) do { *(cpuset) |= (1UL << (cpu)); } while(0) -#endif - static void set_affinity(void) { #if HAVE_SCHED_SETAFFINITY @@ -185,14 +161,18 @@ void *thr_reader(void *_count) unsigned long long *count = _count; int *local_ptr; - printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", - "reader", (unsigned long) pthread_self(), - (unsigned long) gettid()); + printf_verbose("thread_begin %s, tid %lu\n", + "reader", urcu_get_thread_id()); set_affinity(); rcu_register_thread(); + assert(rcu_read_ongoing()); + rcu_thread_offline(); + assert(!rcu_read_ongoing()); + rcu_thread_online(); + while (!test_go) { } @@ -200,6 +180,7 @@ void *thr_reader(void *_count) for (;;) { rcu_read_lock(); + assert(rcu_read_ongoing()); local_ptr = rcu_dereference(test_rcu_pointer); rcu_debug_yield_read(); if (local_ptr) @@ -222,9 +203,8 @@ void *thr_reader(void *_count) rcu_unregister_thread(); *count = URCU_TLS(nr_reads); - printf_verbose("thread_end %s, thread id : %lx, tid %lu\n", - "reader", (unsigned long) pthread_self(), - (unsigned long) gettid()); + printf_verbose("thread_end %s, tid %lu\n", + "reader", urcu_get_thread_id()); return ((void*)1); } @@ -234,9 +214,8 @@ void *thr_writer(void *_count) unsigned long long *count = _count; int *new, *old; - printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", - "writer", (unsigned long) pthread_self(), - (unsigned long) gettid()); + printf_verbose("thread_begin %s, tid %lu\n", + "writer", urcu_get_thread_id()); set_affinity(); @@ -263,24 +242,25 @@ void *thr_writer(void *_count) loop_sleep(wdelay); } - printf_verbose("thread_end %s, thread id : %lx, tid %lu\n", - "writer", (unsigned long) pthread_self(), - (unsigned long) gettid()); + printf_verbose("thread_end %s, tid %lu\n", + "writer", urcu_get_thread_id()); *count = URCU_TLS(nr_writes); return ((void*)2); } void show_usage(int argc, char **argv) { - printf("Usage : %s nr_readers nr_writers duration (s)", argv[0]); + printf("Usage : %s nr_readers nr_writers duration (s) \n", + argv[0]); + printf("OPTIONS:\n"); #ifdef DEBUG_YIELD - printf(" [-r] [-w] (yield reader and/or writer)"); + printf(" [-r] [-w] (yield reader and/or writer)\n"); #endif - printf(" [-d delay] (writer period (us))"); - printf(" [-c duration] (reader C.S. duration (in loops))"); - printf(" [-e duration] (writer C.S. duration (in loops))"); - printf(" [-v] (verbose output)"); - printf(" [-a cpu#] [-a cpu#]... (affinity)"); + printf(" [-d delay] (writer period (us))\n"); + printf(" [-c duration] (reader C.S. duration (in loops))\n"); + printf(" [-e duration] (writer C.S. duration (in loops))\n"); + printf(" [-v] (verbose output)\n"); + printf(" [-a cpu#] [-a cpu#]... (affinity)\n"); printf("\n"); } @@ -369,14 +349,13 @@ int main(int argc, char **argv) duration, nr_readers, nr_writers); printf_verbose("Writer delay : %lu loops.\n", wdelay); printf_verbose("Reader duration : %lu loops.\n", rduration); - printf_verbose("thread %-6s, thread id : %lx, tid %lu\n", - "main", (unsigned long) pthread_self(), - (unsigned long) gettid()); - - tid_reader = malloc(sizeof(*tid_reader) * nr_readers); - tid_writer = malloc(sizeof(*tid_writer) * nr_writers); - count_reader = malloc(sizeof(*count_reader) * nr_readers); - count_writer = malloc(sizeof(*count_writer) * nr_writers); + printf_verbose("thread %-6s, tid %lu\n", + "main", urcu_get_thread_id()); + + tid_reader = calloc(nr_readers, sizeof(*tid_reader)); + tid_writer = calloc(nr_writers, sizeof(*tid_writer)); + count_reader = calloc(nr_readers, sizeof(*count_reader)); + count_writer = calloc(nr_writers, sizeof(*count_writer)); next_aff = 0;