diff options
Diffstat (limited to 'extras/benchmarking/rdd.c')
| -rw-r--r-- | extras/benchmarking/rdd.c | 686 |
1 files changed, 342 insertions, 344 deletions
diff --git a/extras/benchmarking/rdd.c b/extras/benchmarking/rdd.c index 527f14cddd7..e616022e2d9 100644 --- a/extras/benchmarking/rdd.c +++ b/extras/benchmarking/rdd.c @@ -37,171 +37,171 @@ #endif struct rdd_file { - char path[UNIX_PATH_MAX]; - struct stat st; - int fd; + char path[UNIX_PATH_MAX]; + struct stat st; + int fd; }; - + struct rdd_config { - long iters; - long max_ops_per_seq; - size_t max_bs; - size_t min_bs; - int thread_count; - pthread_t *threads; - pthread_barrier_t barrier; - pthread_mutex_t lock; - struct rdd_file in_file; - struct rdd_file out_file; + long iters; + long max_ops_per_seq; + size_t max_bs; + size_t min_bs; + int thread_count; + pthread_t *threads; + pthread_barrier_t barrier; + pthread_mutex_t lock; + struct rdd_file in_file; + struct rdd_file out_file; }; static struct rdd_config rdd_config; enum rdd_keys { - RDD_MIN_BS_KEY = 1, - RDD_MAX_BS_KEY, + RDD_MIN_BS_KEY = 1, + RDD_MAX_BS_KEY, }; - + static error_t rdd_parse_opts (int key, char *arg, - struct argp_state *_state) + struct argp_state *_state) { - switch (key) { - case 'o': - { - int len = 0; - len = strlen (arg); - if (len > UNIX_PATH_MAX) { - fprintf (stderr, "output file name too long (%s)\n", + switch (key) { + case 'o': + { + int len = 0; + len = strlen (arg); + if (len > UNIX_PATH_MAX) { + fprintf (stderr, "output file name too long (%s)\n", arg); - return -1; - } - - strncpy (rdd_config.out_file.path, arg, len); - } - break; - - case 'i': - { - int len = 0; - len = strlen (arg); - if (len > UNIX_PATH_MAX) { - fprintf (stderr, "input file name too long (%s)\n", + return -1; + } + + strncpy (rdd_config.out_file.path, arg, len); + } + break; + + case 'i': + { + int len = 0; + len = strlen (arg); + if (len > UNIX_PATH_MAX) { + fprintf (stderr, "input file name too long (%s)\n", arg); - return -1; - } - - strncpy (rdd_config.in_file.path, arg, len); - } - break; - - case RDD_MIN_BS_KEY: - { - char *tmp = NULL; - long bs = 0; - bs = strtol (arg, &tmp, 10); - if ((bs == LONG_MAX) || (bs == LONG_MIN) || (tmp && *tmp)) { - fprintf (stderr, "invalid argument for minimum block" + return -1; + } + + strncpy (rdd_config.in_file.path, arg, len); + } + break; + + case RDD_MIN_BS_KEY: + { + char *tmp = NULL; + long bs = 0; + bs = strtol (arg, &tmp, 10); + if ((bs == LONG_MAX) || (bs == LONG_MIN) || (tmp && *tmp)) { + fprintf (stderr, "invalid argument for minimum block" "size (%s)\n", arg); - return -1; - } - - rdd_config.min_bs = bs; - } - break; - - case RDD_MAX_BS_KEY: - { - char *tmp = NULL; - long bs = 0; - bs = strtol (arg, &tmp, 10); - if ((bs == LONG_MAX) || (bs == LONG_MIN) || (tmp && *tmp)) { - fprintf (stderr, "invalid argument for maximum block" + return -1; + } + + rdd_config.min_bs = bs; + } + break; + + case RDD_MAX_BS_KEY: + { + char *tmp = NULL; + long bs = 0; + bs = strtol (arg, &tmp, 10); + if ((bs == LONG_MAX) || (bs == LONG_MIN) || (tmp && *tmp)) { + fprintf (stderr, "invalid argument for maximum block" "size (%s)\n", arg); - return -1; - } - - rdd_config.max_bs = bs; - } - break; - - case 'r': - { - char *tmp = NULL; - long iters = 0; - iters = strtol (arg, &tmp, 10); - if ((iters == LONG_MAX) || - (iters == LONG_MIN) || + return -1; + } + + rdd_config.max_bs = bs; + } + break; + + case 'r': + { + char *tmp = NULL; + long iters = 0; + iters = strtol (arg, &tmp, 10); + if ((iters == LONG_MAX) || + (iters == LONG_MIN) || (tmp && *tmp)) { - fprintf (stderr, "invalid argument for iterations" + fprintf (stderr, "invalid argument for iterations" "(%s)\n", arg); - return -1; - } - - rdd_config.iters = iters; - } - break; - - case 'm': - { - char *tmp = NULL; - long max_ops = 0; - max_ops = strtol (arg, &tmp, 10); - if ((max_ops == LONG_MAX) || - (max_ops == LONG_MIN) || + return -1; + } + + rdd_config.iters = iters; + } + break; + + case 'm': + { + char *tmp = NULL; + long max_ops = 0; + max_ops = strtol (arg, &tmp, 10); + if ((max_ops == LONG_MAX) || + (max_ops == LONG_MIN) || (tmp && *tmp)) { - fprintf (stderr, "invalid argument for max-ops" + fprintf (stderr, "invalid argument for max-ops" "(%s)\n", arg); - return -1; - } - - rdd_config.max_ops_per_seq = max_ops; - } - break; - - case 't': - { - char *tmp = NULL; - long threads = 0; - threads = strtol (arg, &tmp, 10); - if ((threads == LONG_MAX) || - (threads == LONG_MIN) || + return -1; + } + + rdd_config.max_ops_per_seq = max_ops; + } + break; + + case 't': + { + char *tmp = NULL; + long threads = 0; + threads = strtol (arg, &tmp, 10); + if ((threads == LONG_MAX) || + (threads == LONG_MIN) || (tmp && *tmp)) { - fprintf (stderr, "invalid argument for thread count" + fprintf (stderr, "invalid argument for thread count" "(%s)\n", arg); - return -1; - } + return -1; + } - rdd_config.thread_count = threads; - } - break; + rdd_config.thread_count = threads; + } + break; - case ARGP_KEY_NO_ARGS: - break; - case ARGP_KEY_ARG: - break; - case ARGP_KEY_END: - if (_state->argc == 1) { - argp_usage (_state); - } + case ARGP_KEY_NO_ARGS: + break; + case ARGP_KEY_ARG: + break; + case ARGP_KEY_END: + if (_state->argc == 1) { + argp_usage (_state); + } - } + } - return 0; + return 0; } static struct argp_option rdd_options[] = { - {"if", 'i', "INPUT_FILE", 0, "input-file"}, - {"of", 'o', "OUTPUT_FILE", 0, "output-file"}, - {"threads", 't', "COUNT", 0, "number of threads to spawn (defaults to 2)"}, - {"min-bs", RDD_MIN_BS_KEY, "MIN_BLOCK_SIZE", 0, - "Minimum block size in bytes (defaults to 1024)"}, - {"max-bs", RDD_MAX_BS_KEY, "MAX_BLOCK_SIZE", 0, - "Maximum block size in bytes (defaults to 4096)"}, - {"iters", 'r', "ITERS", 0, - "Number of read-write sequences (defaults to 1000000)"}, - {"max-ops", 'm', "MAXOPS", 0, - "maximum number of read-writes to be performed in a sequence (defaults to 1)"}, - {0, 0, 0, 0, 0} + {"if", 'i', "INPUT_FILE", 0, "input-file"}, + {"of", 'o', "OUTPUT_FILE", 0, "output-file"}, + {"threads", 't', "COUNT", 0, "number of threads to spawn (defaults to 2)"}, + {"min-bs", RDD_MIN_BS_KEY, "MIN_BLOCK_SIZE", 0, + "Minimum block size in bytes (defaults to 1024)"}, + {"max-bs", RDD_MAX_BS_KEY, "MAX_BLOCK_SIZE", 0, + "Maximum block size in bytes (defaults to 4096)"}, + {"iters", 'r', "ITERS", 0, + "Number of read-write sequences (defaults to 1000000)"}, + {"max-ops", 'm', "MAXOPS", 0, + "maximum number of read-writes to be performed in a sequence (defaults to 1)"}, + {0, 0, 0, 0, 0} }; static struct argp argp = { @@ -216,277 +216,275 @@ static struct argp argp = { static void rdd_default_config (void) { - rdd_config.thread_count = 2; - rdd_config.iters = 1000000; - rdd_config.max_bs = 4096; - rdd_config.min_bs = 1024; - rdd_config.in_file.fd = rdd_config.out_file.fd = -1; - rdd_config.max_ops_per_seq = 1; - - return; + rdd_config.thread_count = 2; + rdd_config.iters = 1000000; + rdd_config.max_bs = 4096; + rdd_config.min_bs = 1024; + rdd_config.in_file.fd = rdd_config.out_file.fd = -1; + rdd_config.max_ops_per_seq = 1; + + return; } static char rdd_valid_config (void) { - char ret = 1; - int fd = -1; - - fd = open (rdd_config.in_file.path, O_RDONLY); - if (fd == -1) { - ret = 0; - goto out; - } - close (fd); - - if (rdd_config.min_bs > rdd_config.max_bs) { - ret = 0; - goto out; - } - - if (strlen (rdd_config.out_file.path) == 0) { - sprintf (rdd_config.out_file.path, "%s.rddout", + char ret = 1; + int fd = -1; + + fd = open (rdd_config.in_file.path, O_RDONLY); + if (fd == -1) { + ret = 0; + goto out; + } + close (fd); + + if (rdd_config.min_bs > rdd_config.max_bs) { + ret = 0; + goto out; + } + + if (strlen (rdd_config.out_file.path) == 0) { + sprintf (rdd_config.out_file.path, "%s.rddout", rdd_config.in_file.path); - } + } out: - return ret; + return ret; } static void * rdd_read_write (void *arg) { - int i = 0, ret = 0; - size_t bs = 0; - off_t offset = 0; - long rand = 0; - long max_ops = 0; - char *buf = NULL; - - buf = calloc (1, rdd_config.max_bs); - if (!buf) { - fprintf (stderr, "calloc failed (%s)\n", strerror (errno)); - ret = -1; - goto out; - } - - for (i = 0; i < rdd_config.iters; i++) - { - pthread_mutex_lock (&rdd_config.lock); - { - int bytes = 0; - rand = random (); - - if (rdd_config.min_bs == rdd_config.max_bs) { - bs = rdd_config.max_bs; - } else { - bs = rdd_config.min_bs + - (rand % - (rdd_config.max_bs - + int i = 0, ret = 0; + size_t bs = 0; + off_t offset = 0; + long rand = 0; + long max_ops = 0; + char *buf = NULL; + + buf = calloc (1, rdd_config.max_bs); + if (!buf) { + fprintf (stderr, "calloc failed (%s)\n", strerror (errno)); + ret = -1; + goto out; + } + + for (i = 0; i < rdd_config.iters; i++) + { + pthread_mutex_lock (&rdd_config.lock); + { + int bytes = 0; + rand = random (); + + if (rdd_config.min_bs == rdd_config.max_bs) { + bs = rdd_config.max_bs; + } else { + bs = rdd_config.min_bs + + (rand % + (rdd_config.max_bs - rdd_config.min_bs)); - } - - offset = rand % rdd_config.in_file.st.st_size; - max_ops = rand % rdd_config.max_ops_per_seq; - if (!max_ops) { - max_ops ++; - } - - ret = lseek (rdd_config.in_file.fd, offset, SEEK_SET); - if (ret != offset) { - fprintf (stderr, "lseek failed (%s)\n", + } + + offset = rand % rdd_config.in_file.st.st_size; + max_ops = rand % rdd_config.max_ops_per_seq; + if (!max_ops) { + max_ops ++; + } + + ret = lseek (rdd_config.in_file.fd, offset, SEEK_SET); + if (ret != offset) { + fprintf (stderr, "lseek failed (%s)\n", strerror (errno)); - ret = -1; - goto unlock; - } + ret = -1; + goto unlock; + } - ret = lseek (rdd_config.out_file.fd, offset, SEEK_SET); - if (ret != offset) { - fprintf (stderr, "lseek failed (%s)\n", + ret = lseek (rdd_config.out_file.fd, offset, SEEK_SET); + if (ret != offset) { + fprintf (stderr, "lseek failed (%s)\n", strerror (errno)); - ret = -1; - goto unlock; - } - - while (max_ops--) - { - bytes = read (rdd_config.in_file.fd, buf, bs); - if (!bytes) { - break; - } - - if (bytes == -1) { - fprintf (stderr, "read failed (%s)\n", + ret = -1; + goto unlock; + } + + while (max_ops--) + { + bytes = read (rdd_config.in_file.fd, buf, bs); + if (!bytes) { + break; + } + + if (bytes == -1) { + fprintf (stderr, "read failed (%s)\n", strerror (errno)); - ret = -1; - goto unlock; - } + ret = -1; + goto unlock; + } - if (write (rdd_config.out_file.fd, buf, bytes) + if (write (rdd_config.out_file.fd, buf, bytes) != bytes) { - fprintf (stderr, "write failed (%s)\n", + fprintf (stderr, "write failed (%s)\n", strerror (errno)); - ret = -1; - goto unlock; - } - } - } - unlock: - pthread_mutex_unlock (&rdd_config.lock); - if (ret == -1) { - goto out; - } - ret = 0; - } + ret = -1; + goto unlock; + } + } + } + unlock: + pthread_mutex_unlock (&rdd_config.lock); + if (ret == -1) { + goto out; + } + ret = 0; + } out: - free (buf); - pthread_barrier_wait (&rdd_config.barrier); + free (buf); + pthread_barrier_wait (&rdd_config.barrier); - return NULL; + return NULL; } +static void +cleanup (void) +{ + close (rdd_config.in_file.fd); + close (rdd_config.out_file.fd); + rdd_config.in_file.fd = rdd_config.out_file.fd = -1; +} static int rdd_spawn_threads (void) { - int i = 0, ret = -1, fd = -1; - char buf[4096]; + int i = 0, ret = -1, fd = -1; + char buf[4096]; - fd = open (rdd_config.in_file.path, O_RDONLY); - if (fd < 0) { - fprintf (stderr, "cannot open %s (%s)\n", + fd = open (rdd_config.in_file.path, O_RDONLY); + if (fd < 0) { + fprintf (stderr, "cannot open %s (%s)\n", rdd_config.in_file.path, strerror (errno)); - ret = -1; - goto out; - } - ret = fstat (fd, &rdd_config.in_file.st); - if (ret != 0) { - close (fd); - fprintf (stderr, "cannot stat %s (%s)\n", + ret = -1; + goto out; + } + ret = fstat (fd, &rdd_config.in_file.st); + if (ret != 0) { + close (fd); + fprintf (stderr, "cannot stat %s (%s)\n", rdd_config.in_file.path, strerror (errno)); - ret = -1; - goto out; - } - rdd_config.in_file.fd = fd; + ret = -1; + goto out; + } + rdd_config.in_file.fd = fd; - fd = open (rdd_config.out_file.path, O_WRONLY | O_CREAT, + fd = open (rdd_config.out_file.path, O_WRONLY | O_CREAT, S_IRWXU | S_IROTH); - if (fd < 0) { - close (rdd_config.in_file.fd); - rdd_config.in_file.fd = -1; - fprintf (stderr, "cannot open %s (%s)\n", + if (fd < 0) { + close (rdd_config.in_file.fd); + rdd_config.in_file.fd = -1; + fprintf (stderr, "cannot open %s (%s)\n", rdd_config.out_file.path, strerror (errno)); - ret = -1; - goto out; - } - rdd_config.out_file.fd = fd; - - while ((ret = read (rdd_config.in_file.fd, buf, 4096)) > 0) { - if (write (rdd_config.out_file.fd, buf, ret) != ret) { - fprintf (stderr, "write failed (%s)\n", + ret = -1; + goto out; + } + rdd_config.out_file.fd = fd; + + while ((ret = read (rdd_config.in_file.fd, buf, 4096)) > 0) { + if (write (rdd_config.out_file.fd, buf, ret) != ret) { + fprintf (stderr, "write failed (%s)\n", strerror (errno)); - close (rdd_config.in_file.fd); - close (rdd_config.out_file.fd); - rdd_config.in_file.fd = rdd_config.out_file.fd = -1; - ret = -1; - goto out; - } - } - - rdd_config.threads = calloc (rdd_config.thread_count, + cleanup (); + ret = -1; + goto out; + } + } + + rdd_config.threads = calloc (rdd_config.thread_count, sizeof (pthread_t)); - if (rdd_config.threads == NULL) { - fprintf (stderr, "calloc() failed (%s)\n", strerror (errno)); + if (rdd_config.threads == NULL) { + fprintf (stderr, "calloc() failed (%s)\n", strerror (errno)); - ret = -1; - close (rdd_config.in_file.fd); - close (rdd_config.out_file.fd); - rdd_config.in_file.fd = rdd_config.out_file.fd = -1; - goto out; - } + ret = -1; + cleanup (); + goto out; + } - ret = pthread_barrier_init (&rdd_config.barrier, NULL, + ret = pthread_barrier_init (&rdd_config.barrier, NULL, rdd_config.thread_count + 1); - if (ret != 0) { - fprintf (stderr, "pthread_barrier_init() failed (%s)\n", + if (ret != 0) { + fprintf (stderr, "pthread_barrier_init() failed (%s)\n", strerror (ret)); - free (rdd_config.threads); - close (rdd_config.in_file.fd); - close (rdd_config.out_file.fd); - rdd_config.in_file.fd = rdd_config.out_file.fd = -1; - ret = -1; - goto out; - } - - ret = pthread_mutex_init (&rdd_config.lock, NULL); - if (ret != 0) { - fprintf (stderr, "pthread_mutex_init() failed (%s)\n", + free (rdd_config.threads); + cleanup (); + ret = -1; + goto out; + } + + ret = pthread_mutex_init (&rdd_config.lock, NULL); + if (ret != 0) { + fprintf (stderr, "pthread_mutex_init() failed (%s)\n", strerror (ret)); - free (rdd_config.threads); - pthread_barrier_destroy (&rdd_config.barrier); - close (rdd_config.in_file.fd); - close (rdd_config.out_file.fd); - rdd_config.in_file.fd = rdd_config.out_file.fd = -1; - ret = -1; - goto out; - } - - for (i = 0; i < rdd_config.thread_count; i++) - { - ret = pthread_create (&rdd_config.threads[i], NULL, + free (rdd_config.threads); + pthread_barrier_destroy (&rdd_config.barrier); + cleanup (); + ret = -1; + goto out; + } + + for (i = 0; i < rdd_config.thread_count; i++) + { + ret = pthread_create (&rdd_config.threads[i], NULL, rdd_read_write, NULL); - if (ret != 0) { - fprintf (stderr, "pthread_create failed (%s)\n", + if (ret != 0) { + fprintf (stderr, "pthread_create failed (%s)\n", strerror (errno)); - exit (1); - } - } + exit (1); + } + } out: - return ret; + return ret; } - static void rdd_wait_for_completion (void) { - pthread_barrier_wait (&rdd_config.barrier); + pthread_barrier_wait (&rdd_config.barrier); } -int +int main (int argc, char *argv[]) { - int ret = -1; + int ret = -1; - rdd_default_config (); + rdd_default_config (); - ret = argp_parse (&argp, argc, argv, 0, 0, NULL); - if (ret != 0) { - ret = -1; - fprintf (stderr, "%s: argp_parse() failed\n", argv[0]); - goto err; - } + ret = argp_parse (&argp, argc, argv, 0, 0, NULL); + if (ret != 0) { + ret = -1; + fprintf (stderr, "%s: argp_parse() failed\n", argv[0]); + goto err; + } - if (!rdd_valid_config ()) { - ret = -1; - fprintf (stderr, "%s: configuration validation failed\n", + if (!rdd_valid_config ()) { + ret = -1; + fprintf (stderr, "%s: configuration validation failed\n", argv[0]); - goto err; - } + goto err; + } - ret = rdd_spawn_threads (); - if (ret != 0) { - fprintf (stderr, "%s: spawning threads failed\n", argv[0]); - goto err; - } + ret = rdd_spawn_threads (); + if (ret != 0) { + fprintf (stderr, "%s: spawning threads failed\n", argv[0]); + goto err; + } - rdd_wait_for_completion (); + rdd_wait_for_completion (); err: - return ret; -} + return ret; +} |