X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_qsbr.c;h=85d8430c5f7a8cadd28519c14a4846139f01f612;hp=065557a1307d8f3cfe22a6c8ea6b6a39a0b3603e;hb=a5bae03d59c22e57263b8610b9fed99738303cf0;hpb=2953b501ab1dcf908d07de9b414a08397519f5b6 diff --git a/tests/test_urcu_qsbr.c b/tests/test_urcu_qsbr.c index 065557a..85d8430 100644 --- a/tests/test_urcu_qsbr.c +++ b/tests/test_urcu_qsbr.c @@ -36,29 +36,11 @@ #include #include #include "cpuset.h" - -#ifdef __linux__ -#include -#endif +#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 @@ -179,14 +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) { } @@ -194,6 +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) @@ -216,9 +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); } @@ -228,9 +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(); @@ -257,24 +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"); } @@ -363,14 +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;