X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=tests%2Ftest_urcu_defer.c;h=395014e72153800c58fe8b80e9faa61d572b4d24;hb=98f483d24f69785a7fb2e988f1053c34e84a4e61;hp=cd9780b6f02f0b44d6f08e5ce5961590ebcde04a;hpb=bd252a04bbbb163aa4d8864b1e1e5a3a4d9d0892;p=urcu.git diff --git a/tests/test_urcu_defer.c b/tests/test_urcu_defer.c index cd9780b..395014e 100644 --- a/tests/test_urcu_defer.c +++ b/tests/test_urcu_defer.c @@ -31,38 +31,20 @@ #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 -#define debug_yield_read() +#define rcu_debug_yield_read() #endif #include #include @@ -85,9 +67,9 @@ static unsigned long rduration; /* write-side C.S. duration, in loops */ static unsigned long wduration; -static inline void loop_sleep(unsigned long l) +static inline void loop_sleep(unsigned long loops) { - while(l-- != 0) + while (loops-- != 0) caa_cpu_relax(); } @@ -105,17 +87,12 @@ 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 cpu_set_t mask; - int cpu; - int ret; + int cpu, ret; +#endif /* HAVE_SCHED_SETAFFINITY */ if (!use_affinity) return; @@ -193,8 +170,8 @@ void *thr_reader(void *_count) unsigned long long *count = _count; struct test_array *local_ptr; - printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", - "reader", pthread_self(), (unsigned long)gettid()); + printf_verbose("thread_begin %s, tid %lu\n", + "reader", urcu_get_thread_id()); set_affinity(); @@ -208,7 +185,7 @@ void *thr_reader(void *_count) for (;;) { rcu_read_lock(); local_ptr = rcu_dereference(test_rcu_pointer); - debug_yield_read(); + rcu_debug_yield_read(); if (local_ptr) assert(local_ptr->a == 8); if (caa_unlikely(rduration)) @@ -222,8 +199,8 @@ 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", pthread_self(), (unsigned long)gettid()); + printf_verbose("thread_end %s, tid %lu\n", + "reader", urcu_get_thread_id()); return ((void*)1); } @@ -242,8 +219,8 @@ void *thr_writer(void *data) struct test_array *new, *old = NULL; int ret; - printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n", - "writer", pthread_self(), (unsigned long)gettid()); + printf_verbose("thread_begin %s, tid %lu\n", + "writer", urcu_get_thread_id()); set_affinity(); @@ -281,23 +258,25 @@ void *thr_writer(void *data) rcu_defer_unregister_thread(); - printf_verbose("thread_end %s, thread id : %lx, tid %lu\n", - "writer", pthread_self(), (unsigned long)gettid()); + printf_verbose("thread_end %s, tid %lu\n", + "writer", urcu_get_thread_id()); tot_nr_writes[wtidx] = 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"); } @@ -339,10 +318,10 @@ int main(int argc, char **argv) switch (argv[i][1]) { #ifdef DEBUG_YIELD case 'r': - yield_active |= YIELD_READ; + rcu_yield_active |= RCU_YIELD_READ; break; case 'w': - yield_active |= YIELD_WRITE; + rcu_yield_active |= RCU_YIELD_WRITE; break; #endif case 'a': @@ -386,8 +365,8 @@ 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", pthread_self(), (unsigned long)gettid()); + printf_verbose("thread %-6s, tid %lu\n", + "main", urcu_get_thread_id()); tid_reader = malloc(sizeof(*tid_reader) * nr_readers); tid_writer = malloc(sizeof(*tid_writer) * nr_writers);