X-Git-Url: https://pd.if.org/git/?p=nbds;a=blobdiff_plain;f=test%2Fll_test.c;fp=test%2Fll_test.c;h=e7c9337d4f7c02f7c402474209d4c46059ff1790;hp=0000000000000000000000000000000000000000;hb=b21e1c182a2e469240d2b1cbbda37f2dfeb880d9;hpb=a1fae129c758d7ea83dfdbb5f14ec1df12f0aa34 diff --git a/test/ll_test.c b/test/ll_test.c new file mode 100644 index 0000000..e7c9337 --- /dev/null +++ b/test/ll_test.c @@ -0,0 +1,90 @@ +#include +#include +#include +#include + +#include "common.h" +#include "runtime.h" +#include "struct.h" + +#define NUM_ITERATIONS 10000000 + +static volatile int wait_; +static long num_threads_; +static list_t *ll_; + +void *worker (void *arg) { + + // Wait for all the worker threads to be ready. + SYNC_ADD(&wait_, -1); + do {} while (wait_); + + for (int i = 0; i < NUM_ITERATIONS/num_threads_; ++i) { + unsigned r = nbd_rand(); + int key = r & 0xF; + if (r & (1 << 8)) { + ll_add(ll_, key, 1); + } else { + ll_remove(ll_, key); + } + + rcu_update(); + } + + return NULL; +} + +int main (int argc, char **argv) { + nbd_init(); + //lwt_set_trace_level("m0l0"); + + char* program_name = argv[0]; + pthread_t thread[MAX_NUM_THREADS]; + + if (argc > 2) { + fprintf(stderr, "Usage: %s num_threads\n", program_name); + return -1; + } + + num_threads_ = 2; + if (argc == 2) + { + errno = 0; + num_threads_ = strtol(argv[1], NULL, 10); + if (errno) { + fprintf(stderr, "%s: Invalid argument for number of threads\n", program_name); + return -1; + } + if (num_threads_ <= 0) { + fprintf(stderr, "%s: Number of threads must be at least 1\n", program_name); + return -1; + } + if (num_threads_ > MAX_NUM_THREADS) { + fprintf(stderr, "%s: Number of threads cannot be more than %d\n", program_name, MAX_NUM_THREADS); + return -1; + } + } + + ll_ = ll_alloc(); + + struct timeval tv1, tv2; + gettimeofday(&tv1, NULL); + + wait_ = num_threads_; + + for (int i = 0; i < num_threads_; ++i) { + int rc = nbd_thread_create(thread + i, i, worker, (void*)(size_t)i); + if (rc != 0) { perror("pthread_create"); return rc; } + } + + for (int i = 0; i < num_threads_; ++i) { + pthread_join(thread[i], NULL); + } + + gettimeofday(&tv2, NULL); + int ms = (int)(1000000*(tv2.tv_sec - tv1.tv_sec) + tv2.tv_usec - tv1.tv_usec) / 1000; + ll_print(ll_); + printf("Th:%ld Time:%dms\n", num_threads_, ms); + + return 0; +}