diff options
Diffstat (limited to 'src/spdk/test/nvme/reset')
-rw-r--r-- | src/spdk/test/nvme/reset/.gitignore | 1 | ||||
-rw-r--r-- | src/spdk/test/nvme/reset/Makefile | 39 | ||||
-rw-r--r-- | src/spdk/test/nvme/reset/reset.c | 689 |
3 files changed, 729 insertions, 0 deletions
diff --git a/src/spdk/test/nvme/reset/.gitignore b/src/spdk/test/nvme/reset/.gitignore new file mode 100644 index 00000000..a16781b1 --- /dev/null +++ b/src/spdk/test/nvme/reset/.gitignore @@ -0,0 +1 @@ +reset diff --git a/src/spdk/test/nvme/reset/Makefile b/src/spdk/test/nvme/reset/Makefile new file mode 100644 index 00000000..440f385c --- /dev/null +++ b/src/spdk/test/nvme/reset/Makefile @@ -0,0 +1,39 @@ +# +# BSD LICENSE +# +# Copyright (c) Intel Corporation. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Intel Corporation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..) +include $(SPDK_ROOT_DIR)/mk/spdk.common.mk + +APP = reset + +include $(SPDK_ROOT_DIR)/mk/nvme.libtest.mk diff --git a/src/spdk/test/nvme/reset/reset.c b/src/spdk/test/nvme/reset/reset.c new file mode 100644 index 00000000..fe2004e8 --- /dev/null +++ b/src/spdk/test/nvme/reset/reset.c @@ -0,0 +1,689 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "spdk/stdinc.h" + +#include "spdk/nvme.h" +#include "spdk/env.h" +#include "spdk/string.h" + +struct ctrlr_entry { + struct spdk_nvme_ctrlr *ctrlr; + struct ctrlr_entry *next; + char name[1024]; +}; + +struct ns_entry { + struct spdk_nvme_ns *ns; + struct spdk_nvme_ctrlr *ctrlr; + struct ns_entry *next; + uint32_t io_size_blocks; + uint64_t size_in_ios; + char name[1024]; +}; + +struct ns_worker_ctx { + struct ns_entry *entry; + struct spdk_nvme_qpair *qpair; + uint64_t io_completed; + uint64_t io_completed_error; + uint64_t io_submitted; + uint64_t current_queue_depth; + uint64_t offset_in_ios; + bool is_draining; + + struct ns_worker_ctx *next; +}; + +struct reset_task { + struct ns_worker_ctx *ns_ctx; + void *buf; +}; + +struct worker_thread { + struct ns_worker_ctx *ns_ctx; + unsigned lcore; +}; + +static struct spdk_mempool *task_pool; + +static struct ctrlr_entry *g_controllers = NULL; +static struct ns_entry *g_namespaces = NULL; +static int g_num_namespaces = 0; +static struct worker_thread *g_workers = NULL; + +static uint64_t g_tsc_rate; + +static int g_io_size_bytes; +static int g_rw_percentage; +static int g_is_random; +static int g_queue_depth; +static int g_time_in_sec; + +#define TASK_POOL_NUM 8192 + +static void +register_ns(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns) +{ + struct ns_entry *entry; + const struct spdk_nvme_ctrlr_data *cdata; + + if (!spdk_nvme_ns_is_active(ns)) { + printf("Skipping inactive NS %u\n", spdk_nvme_ns_get_id(ns)); + return; + } + + entry = malloc(sizeof(struct ns_entry)); + if (entry == NULL) { + perror("ns_entry malloc"); + exit(1); + } + + cdata = spdk_nvme_ctrlr_get_data(ctrlr); + + entry->ns = ns; + entry->ctrlr = ctrlr; + entry->size_in_ios = spdk_nvme_ns_get_size(ns) / + g_io_size_bytes; + entry->io_size_blocks = g_io_size_bytes / spdk_nvme_ns_get_sector_size(ns); + + snprintf(entry->name, 44, "%-20.20s (%-20.20s)", cdata->mn, cdata->sn); + + g_num_namespaces++; + entry->next = g_namespaces; + g_namespaces = entry; +} + +static void +register_ctrlr(struct spdk_nvme_ctrlr *ctrlr) +{ + int nsid, num_ns; + struct spdk_nvme_ns *ns; + struct ctrlr_entry *entry = malloc(sizeof(struct ctrlr_entry)); + + if (entry == NULL) { + perror("ctrlr_entry malloc"); + exit(1); + } + + entry->ctrlr = ctrlr; + entry->next = g_controllers; + g_controllers = entry; + + num_ns = spdk_nvme_ctrlr_get_num_ns(ctrlr); + for (nsid = 1; nsid <= num_ns; nsid++) { + ns = spdk_nvme_ctrlr_get_ns(ctrlr, nsid); + if (ns == NULL) { + continue; + } + register_ns(ctrlr, ns); + } +} + +static void io_complete(void *ctx, const struct spdk_nvme_cpl *completion); + +static __thread unsigned int seed = 0; + +static void +submit_single_io(struct ns_worker_ctx *ns_ctx) +{ + struct reset_task *task = NULL; + uint64_t offset_in_ios; + int rc; + struct ns_entry *entry = ns_ctx->entry; + + task = spdk_mempool_get(task_pool); + if (!task) { + fprintf(stderr, "Failed to get task from task_pool\n"); + exit(1); + } + + task->buf = spdk_dma_zmalloc(g_io_size_bytes, 0x200, NULL); + if (!task->buf) { + spdk_dma_free(task->buf); + fprintf(stderr, "task->buf spdk_dma_zmalloc failed\n"); + exit(1); + } + + task->ns_ctx = ns_ctx; + task->ns_ctx->io_submitted++; + + if (g_is_random) { + offset_in_ios = rand_r(&seed) % entry->size_in_ios; + } else { + offset_in_ios = ns_ctx->offset_in_ios++; + if (ns_ctx->offset_in_ios == entry->size_in_ios) { + ns_ctx->offset_in_ios = 0; + } + } + + if ((g_rw_percentage == 100) || + (g_rw_percentage != 0 && ((rand_r(&seed) % 100) < g_rw_percentage))) { + rc = spdk_nvme_ns_cmd_read(entry->ns, ns_ctx->qpair, task->buf, + offset_in_ios * entry->io_size_blocks, + entry->io_size_blocks, io_complete, task, 0); + } else { + rc = spdk_nvme_ns_cmd_write(entry->ns, ns_ctx->qpair, task->buf, + offset_in_ios * entry->io_size_blocks, + entry->io_size_blocks, io_complete, task, 0); + } + + if (rc != 0) { + fprintf(stderr, "starting I/O failed\n"); + } + + ns_ctx->current_queue_depth++; +} + +static void +task_complete(struct reset_task *task, const struct spdk_nvme_cpl *completion) +{ + struct ns_worker_ctx *ns_ctx; + + ns_ctx = task->ns_ctx; + ns_ctx->current_queue_depth--; + + if (spdk_nvme_cpl_is_error(completion)) { + ns_ctx->io_completed_error++; + } else { + ns_ctx->io_completed++; + } + + spdk_dma_free(task->buf); + spdk_mempool_put(task_pool, task); + + /* + * is_draining indicates when time has expired for the test run + * and we are just waiting for the previously submitted I/O + * to complete. In this case, do not submit a new I/O to replace + * the one just completed. + */ + if (!ns_ctx->is_draining) { + submit_single_io(ns_ctx); + } +} + +static void +io_complete(void *ctx, const struct spdk_nvme_cpl *completion) +{ + task_complete((struct reset_task *)ctx, completion); +} + +static void +check_io(struct ns_worker_ctx *ns_ctx) +{ + spdk_nvme_qpair_process_completions(ns_ctx->qpair, 0); +} + +static void +submit_io(struct ns_worker_ctx *ns_ctx, int queue_depth) +{ + while (queue_depth-- > 0) { + submit_single_io(ns_ctx); + } +} + +static void +drain_io(struct ns_worker_ctx *ns_ctx) +{ + ns_ctx->is_draining = true; + while (ns_ctx->current_queue_depth > 0) { + check_io(ns_ctx); + } +} + +static int +work_fn(void *arg) +{ + uint64_t tsc_end = spdk_get_ticks() + g_time_in_sec * g_tsc_rate; + struct worker_thread *worker = (struct worker_thread *)arg; + struct ns_worker_ctx *ns_ctx = NULL; + bool did_reset = false; + + printf("Starting thread on core %u\n", worker->lcore); + + /* Submit initial I/O for each namespace. */ + ns_ctx = worker->ns_ctx; + while (ns_ctx != NULL) { + ns_ctx->qpair = spdk_nvme_ctrlr_alloc_io_qpair(ns_ctx->entry->ctrlr, NULL, 0); + if (ns_ctx->qpair == NULL) { + fprintf(stderr, "spdk_nvme_ctrlr_alloc_io_qpair() failed on core %u\n", worker->lcore); + return -1; + } + submit_io(ns_ctx, g_queue_depth); + ns_ctx = ns_ctx->next; + } + + while (1) { + /* + * Check for completed I/O for each controller. A new + * I/O will be submitted in the io_complete callback + * to replace each I/O that is completed. + */ + ns_ctx = worker->ns_ctx; + while (ns_ctx != NULL) { + check_io(ns_ctx); + ns_ctx = ns_ctx->next; + } + + if (!did_reset && ((tsc_end - spdk_get_ticks()) / g_tsc_rate) > (uint64_t)g_time_in_sec / 2) { + ns_ctx = worker->ns_ctx; + while (ns_ctx != NULL) { + if (spdk_nvme_ctrlr_reset(ns_ctx->entry->ctrlr) < 0) { + fprintf(stderr, "nvme reset failed.\n"); + return -1; + } + ns_ctx = ns_ctx->next; + } + did_reset = true; + } + + if (spdk_get_ticks() > tsc_end) { + break; + } + } + + ns_ctx = worker->ns_ctx; + while (ns_ctx != NULL) { + drain_io(ns_ctx); + spdk_nvme_ctrlr_free_io_qpair(ns_ctx->qpair); + ns_ctx = ns_ctx->next; + } + + return 0; +} + +static void usage(char *program_name) +{ + printf("%s options", program_name); + printf("\n"); + printf("\t[-q io depth]\n"); + printf("\t[-s io size in bytes]\n"); + printf("\t[-w io pattern type, must be one of\n"); + printf("\t\t(read, write, randread, randwrite, rw, randrw)]\n"); + printf("\t[-M rwmixread (100 for reads, 0 for writes)]\n"); + printf("\t[-t time in seconds(should be larger than 15 seconds)]\n"); + printf("\t[-m max completions per poll]\n"); + printf("\t\t(default:0 - unlimited)\n"); +} + +static int +print_stats(void) +{ + uint64_t io_completed, io_submitted, io_completed_error; + uint64_t total_completed_io, total_submitted_io, total_completed_err_io; + struct worker_thread *worker; + struct ns_worker_ctx *ns_ctx; + + total_completed_io = 0; + total_submitted_io = 0; + total_completed_err_io = 0; + + worker = g_workers; + ns_ctx = worker->ns_ctx; + while (ns_ctx) { + io_completed = ns_ctx->io_completed; + io_submitted = ns_ctx->io_submitted; + io_completed_error = ns_ctx->io_completed_error; + total_completed_io += io_completed; + total_submitted_io += io_submitted; + total_completed_err_io += io_completed_error; + ns_ctx = ns_ctx->next; + } + + printf("========================================================\n"); + printf("%16lu IO completed successfully\n", total_completed_io); + printf("%16lu IO completed with error\n", total_completed_err_io); + printf("--------------------------------------------------------\n"); + printf("%16lu IO completed total\n", total_completed_io + total_completed_err_io); + printf("%16lu IO submitted\n", total_submitted_io); + + if (total_submitted_io != (total_completed_io + total_completed_err_io)) { + fprintf(stderr, "Some IO are missing......\n"); + return -1; + } + + return 0; +} + +static int +parse_args(int argc, char **argv) +{ + const char *workload_type; + int op; + bool mix_specified = false; + + /* default value */ + g_queue_depth = 0; + g_io_size_bytes = 0; + workload_type = NULL; + g_time_in_sec = 0; + g_rw_percentage = -1; + + while ((op = getopt(argc, argv, "m:q:s:t:w:M:")) != -1) { + switch (op) { + case 'q': + g_queue_depth = atoi(optarg); + break; + case 's': + g_io_size_bytes = atoi(optarg); + break; + case 't': + g_time_in_sec = atoi(optarg); + break; + case 'w': + workload_type = optarg; + break; + case 'M': + g_rw_percentage = atoi(optarg); + mix_specified = true; + break; + default: + usage(argv[0]); + return 1; + } + } + + if (!g_queue_depth) { + usage(argv[0]); + return 1; + } + if (!g_io_size_bytes) { + usage(argv[0]); + return 1; + } + if (!workload_type) { + usage(argv[0]); + return 1; + } + if (!g_time_in_sec) { + usage(argv[0]); + return 1; + } + + if (strcmp(workload_type, "read") && + strcmp(workload_type, "write") && + strcmp(workload_type, "randread") && + strcmp(workload_type, "randwrite") && + strcmp(workload_type, "rw") && + strcmp(workload_type, "randrw")) { + fprintf(stderr, + "io pattern type must be one of\n" + "(read, write, randread, randwrite, rw, randrw)\n"); + return 1; + } + + if (!strcmp(workload_type, "read") || + !strcmp(workload_type, "randread")) { + g_rw_percentage = 100; + } + + if (!strcmp(workload_type, "write") || + !strcmp(workload_type, "randwrite")) { + g_rw_percentage = 0; + } + + if (!strcmp(workload_type, "read") || + !strcmp(workload_type, "randread") || + !strcmp(workload_type, "write") || + !strcmp(workload_type, "randwrite")) { + if (mix_specified) { + fprintf(stderr, "Ignoring -M option... Please use -M option" + " only when using rw or randrw.\n"); + } + } + + if (!strcmp(workload_type, "rw") || + !strcmp(workload_type, "randrw")) { + if (g_rw_percentage < 0 || g_rw_percentage > 100) { + fprintf(stderr, + "-M must be specified to value from 0 to 100 " + "for rw or randrw.\n"); + return 1; + } + } + + if (!strcmp(workload_type, "read") || + !strcmp(workload_type, "write") || + !strcmp(workload_type, "rw")) { + g_is_random = 0; + } else { + g_is_random = 1; + } + + return 0; +} + +static int +register_workers(void) +{ + struct worker_thread *worker; + + worker = malloc(sizeof(struct worker_thread)); + if (worker == NULL) { + perror("worker_thread malloc"); + return -1; + } + + memset(worker, 0, sizeof(struct worker_thread)); + worker->lcore = spdk_env_get_current_core(); + + g_workers = worker; + + return 0; +} + + +static bool +probe_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid, + struct spdk_nvme_ctrlr_opts *opts) +{ + return true; +} + +static void +attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid, + struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts) +{ + register_ctrlr(ctrlr); +} + +static int +register_controllers(void) +{ + printf("Initializing NVMe Controllers\n"); + + if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) { + fprintf(stderr, "spdk_nvme_probe() failed\n"); + return 1; + } + + return 0; +} + +static void +unregister_controllers(void) +{ + struct ctrlr_entry *entry = g_controllers; + + while (entry) { + struct ctrlr_entry *next = entry->next; + spdk_nvme_detach(entry->ctrlr); + free(entry); + entry = next; + } +} + +static int +associate_workers_with_ns(void) +{ + struct ns_entry *entry = g_namespaces; + struct worker_thread *worker = g_workers; + struct ns_worker_ctx *ns_ctx; + int i, count; + + count = g_num_namespaces; + + for (i = 0; i < count; i++) { + if (entry == NULL) { + break; + } + ns_ctx = malloc(sizeof(struct ns_worker_ctx)); + if (!ns_ctx) { + return -1; + } + memset(ns_ctx, 0, sizeof(*ns_ctx)); + + printf("Associating %s with lcore %d\n", entry->name, worker->lcore); + ns_ctx->entry = entry; + ns_ctx->next = worker->ns_ctx; + worker->ns_ctx = ns_ctx; + + worker = g_workers; + + entry = entry->next; + if (entry == NULL) { + entry = g_namespaces; + } + } + + return 0; +} + +static int +run_nvme_reset_cycle(int retry_count) +{ + struct worker_thread *worker; + struct ns_worker_ctx *ns_ctx; + + spdk_nvme_retry_count = retry_count; + + if (work_fn(g_workers) != 0) { + return -1; + } + + if (print_stats() != 0) { + return -1; + } + + worker = g_workers; + ns_ctx = worker->ns_ctx; + while (ns_ctx != NULL) { + ns_ctx->io_completed = 0; + ns_ctx->io_completed_error = 0; + ns_ctx->io_submitted = 0; + ns_ctx->is_draining = false; + ns_ctx = ns_ctx->next; + } + + return 0; +} + +static void +spdk_reset_free_tasks(void) +{ + if (spdk_mempool_count(task_pool) != TASK_POOL_NUM) { + fprintf(stderr, "task_pool count is %zu but should be %d\n", + spdk_mempool_count(task_pool), TASK_POOL_NUM); + } + spdk_mempool_free(task_pool); +} + +int main(int argc, char **argv) +{ + int rc; + int i; + struct spdk_env_opts opts; + + + rc = parse_args(argc, argv); + if (rc != 0) { + return rc; + } + + spdk_env_opts_init(&opts); + opts.name = "reset"; + opts.core_mask = "0x1"; + opts.shm_id = 0; + if (spdk_env_init(&opts) < 0) { + fprintf(stderr, "Unable to initialize SPDK env\n"); + return 1; + } + + if (register_controllers() != 0) { + return 1; + } + + if (!g_controllers) { + printf("No NVMe controller found, %s exiting\n", argv[0]); + return 1; + } + + task_pool = spdk_mempool_create("task_pool", TASK_POOL_NUM, + sizeof(struct reset_task), + 64, SPDK_ENV_SOCKET_ID_ANY); + if (!task_pool) { + fprintf(stderr, "Cannot create task pool\n"); + return 1; + } + + g_tsc_rate = spdk_get_ticks_hz(); + + if (register_workers() != 0) { + return 1; + } + + if (associate_workers_with_ns() != 0) { + rc = 1; + goto cleanup; + } + + printf("Initialization complete. Launching workers.\n"); + + for (i = 2; i >= 0; i--) { + rc = run_nvme_reset_cycle(i); + if (rc != 0) { + goto cleanup; + } + } + +cleanup: + unregister_controllers(); + spdk_reset_free_tasks(); + + if (rc != 0) { + fprintf(stderr, "%s: errors occured\n", argv[0]); + } + + return rc; +} |