X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_urcu_defer.c;h=59a0785393445b63c560d2eef47360194569ac8e;hp=233b38498ced552ed04ba753af5974892d89ec2f;hb=31b598e0bb2fde285afa63986613e632e98b104d;hpb=804b437535f97b519db3e8715807950f5818cf27 diff --git a/tests/test_urcu_defer.c b/tests/test_urcu_defer.c index 233b384..59a0785 100644 --- a/tests/test_urcu_defer.c +++ b/tests/test_urcu_defer.c @@ -21,6 +21,7 @@ */ #define _GNU_SOURCE +#include "../config.h" #include #include #include @@ -32,11 +33,9 @@ #include #include #include +#include -#include "../arch.h" - -/* Make this big enough to include the POWER5+ L3 cacheline size of 256B */ -#define CACHE_LINE_SIZE 4096 +#include /* hardcoded number of CPUs */ #define NR_CPUS 16384 @@ -61,8 +60,8 @@ static inline pid_t gettid(void) #else #define debug_yield_read() #endif -#include "../urcu.h" -#include "../urcu-defer.h" +#include +#include struct test_array { int a; @@ -79,6 +78,9 @@ static unsigned long duration; /* read-side C.S. duration, in loops */ static unsigned long rduration; +/* write-side C.S. duration, in loops */ +static unsigned long wduration; + static inline void loop_sleep(unsigned long l) { while(l-- != 0) @@ -99,6 +101,12 @@ 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) { cpu_set_t mask; @@ -108,6 +116,7 @@ static void set_affinity(void) if (!use_affinity) return; +#if HAVE_SCHED_SETAFFINITY ret = pthread_mutex_lock(&affinity_mutex); if (ret) { perror("Error in pthread mutex lock"); @@ -119,9 +128,15 @@ static void set_affinity(void) perror("Error in pthread mutex unlock"); exit(-1); } + CPU_ZERO(&mask); CPU_SET(cpu, &mask); +#if SCHED_SETAFFINITY_ARGS == 2 + sched_setaffinity(0, &mask); +#else sched_setaffinity(0, sizeof(mask), &mask); +#endif +#endif /* HAVE_SCHED_SETAFFINITY */ } /* @@ -238,16 +253,16 @@ void *thr_writer(void *data) new = malloc(sizeof(*new)); new->a = 8; old = rcu_xchg_pointer(&test_rcu_pointer, new); - call_rcu(free, old); -#if 0 - call_rcu(test_cb1, old); - call_rcu(test_cb1, (void *)-2L); - call_rcu(test_cb1, (void *)-2L); - call_rcu(test_cb1, old); - call_rcu(test_cb2, (void *)-2L); -#endif //0 - call_rcu(test_cb2, (void *)-4L); - //call_rcu(test_cb2, (void *)-2L); + if (unlikely(wduration)) + loop_sleep(wduration); + defer_rcu(free, old); + defer_rcu(test_cb1, old); + defer_rcu(test_cb1, (void *)-2L); + defer_rcu(test_cb1, (void *)-2L); + defer_rcu(test_cb1, old); + defer_rcu(test_cb2, (void *)-2L); + defer_rcu(test_cb2, (void *)-4L); + defer_rcu(test_cb2, (void *)-2L); nr_writes++; if (unlikely(!test_duration_write())) break; @@ -271,6 +286,7 @@ void show_usage(int argc, char **argv) #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("\n"); @@ -344,6 +360,13 @@ int main(int argc, char **argv) } wdelay = atol(argv[++i]); break; + case 'e': + if (argc < i + 2) { + show_usage(argc, argv); + return -1; + } + wduration = atol(argv[++i]); + break; case 'v': verbose_mode = 1; break;