X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=test_qsbr_timing.c;h=e296ced657d8d28a3d3fa74fd62669046e1e6e74;hp=bdbb5819a404e1dde19da859323c6b5c5b287b8d;hb=2c9689fe0485146fc5ff5e5023c941629eee124d;hpb=420e5b9208a77041b662c9d9cdc021287f95eec1 diff --git a/test_qsbr_timing.c b/test_qsbr_timing.c index bdbb581..e296ced 100644 --- a/test_qsbr_timing.c +++ b/test_qsbr_timing.c @@ -87,11 +87,14 @@ static struct test_array *test_rcu_pointer; #define INNER_WRITE_LOOP 200U #define WRITE_LOOP ((unsigned long long)OUTER_WRITE_LOOP * INNER_WRITE_LOOP) -#define NR_READ 10 -#define NR_WRITE 9 +static int num_read; +static int num_write; -static cycles_t reader_time[NR_READ] __attribute__((aligned(128))); -static cycles_t writer_time[NR_WRITE] __attribute__((aligned(128))); +#define NR_READ num_read +#define NR_WRITE num_write + +static cycles_t __attribute__((aligned(128))) *reader_time; +static cycles_t __attribute__((aligned(128))) *writer_time; void *thr_reader(void *arg) { @@ -168,15 +171,27 @@ void *thr_writer(void *arg) return ((void*)2); } -int main() +int main(int argc, char **argv) { int err; - pthread_t tid_reader[NR_READ], tid_writer[NR_WRITE]; + pthread_t *tid_reader, *tid_writer; void *tret; int i; cycles_t tot_rtime = 0; cycles_t tot_wtime = 0; + if (argc < 2) { + printf("Usage : %s nr_readers nr_writers\n", argv[0]); + exit(-1); + } + num_read = atoi(argv[1]); + num_write = atoi(argv[2]); + + reader_time = malloc(sizeof(*reader_time) * num_read); + writer_time = malloc(sizeof(*writer_time) * num_write); + tid_reader = malloc(sizeof(*tid_reader) * num_read); + tid_writer = malloc(sizeof(*tid_writer) * num_write); + printf("thread %-6s, thread id : %lx, tid %lu\n", "main", pthread_self(), (unsigned long)gettid()); @@ -213,5 +228,10 @@ int main() printf("Time per write : %g cycles\n", (double)tot_wtime / ((double)NR_WRITE * (double)WRITE_LOOP)); + free(reader_time); + free(writer_time); + free(tid_reader); + free(tid_writer); + return 0; }