separate tests out into their own files

[nbds] / test / ll_test.c

diff --git a/test/ll_test.c b/test/ll_test.c
new file mode 100644 (file)
index 0000000..e7c9337
--- /dev/null
+++ b/test/ll_test.c
@@ -0,0 +1,90 @@
+#include <stdio.h>
+#include <errno.h>
+#include <pthread.h>
+#include <sys/time.h>
+
+#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;
+}