#include <rte_compressdev.h>
#include "comp_perf_options.h"
+#include "comp_perf_test_verify.h"
+#include "comp_perf_test_benchmark.h"
+
+#define NUM_MAX_XFORMS 16
+#define NUM_MAX_INFLIGHT_OPS 512
+
+#define DIV_CEIL(a, b) ((a) / (b) + ((a) % (b) != 0))
+
+/* Cleanup state machine */
+static enum cleanup_st {
+ ST_CLEAR = 0,
+ ST_TEST_DATA,
+ ST_COMPDEV,
+ ST_INPUT_DATA,
+ ST_MEMORY_ALLOC,
+ ST_PREPARE_BUF,
+ ST_DURING_TEST
+} cleanup = ST_CLEAR;
+
+static int
+param_range_check(uint16_t size, const struct rte_param_log2_range *range)
+{
+ unsigned int next_size;
+
+ /* Check lower/upper bounds */
+ if (size < range->min)
+ return -1;
+
+ if (size > range->max)
+ return -1;
+
+ /* If range is actually only one value, size is correct */
+ if (range->increment == 0)
+ return 0;
+
+ /* Check if value is one of the supported sizes */
+ for (next_size = range->min; next_size <= range->max;
+ next_size += range->increment)
+ if (size == next_size)
+ return 0;
+
+ return -1;
+}
+
+static int
+comp_perf_check_capabilities(struct comp_test_data *test_data)
+{
+ const struct rte_compressdev_capabilities *cap;
+
+ cap = rte_compressdev_capability_get(test_data->cdev_id,
+ RTE_COMP_ALGO_DEFLATE);
+
+ if (cap == NULL) {
+ RTE_LOG(ERR, USER1,
+ "Compress device does not support DEFLATE\n");
+ return -1;
+ }
+
+ uint64_t comp_flags = cap->comp_feature_flags;
+
+ /* Huffman enconding */
+ if (test_data->huffman_enc == RTE_COMP_HUFFMAN_FIXED &&
+ (comp_flags & RTE_COMP_FF_HUFFMAN_FIXED) == 0) {
+ RTE_LOG(ERR, USER1,
+ "Compress device does not supported Fixed Huffman\n");
+ return -1;
+ }
+
+ if (test_data->huffman_enc == RTE_COMP_HUFFMAN_DYNAMIC &&
+ (comp_flags & RTE_COMP_FF_HUFFMAN_DYNAMIC) == 0) {
+ RTE_LOG(ERR, USER1,
+ "Compress device does not supported Dynamic Huffman\n");
+ return -1;
+ }
+
+ /* Window size */
+ if (test_data->window_sz != -1) {
+ if (param_range_check(test_data->window_sz, &cap->window_size)
+ < 0) {
+ RTE_LOG(ERR, USER1,
+ "Compress device does not support "
+ "this window size\n");
+ return -1;
+ }
+ } else
+ /* Set window size to PMD maximum if none was specified */
+ test_data->window_sz = cap->window_size.max;
+
+ /* Check if chained mbufs is supported */
+ if (test_data->max_sgl_segs > 1 &&
+ (comp_flags & RTE_COMP_FF_OOP_SGL_IN_SGL_OUT) == 0) {
+ RTE_LOG(INFO, USER1, "Compress device does not support "
+ "chained mbufs. Max SGL segments set to 1\n");
+ test_data->max_sgl_segs = 1;
+ }
+
+ /* Level 0 support */
+ if (test_data->level.min == 0 &&
+ (comp_flags & RTE_COMP_FF_NONCOMPRESSED_BLOCKS) == 0) {
+ RTE_LOG(ERR, USER1, "Compress device does not support "
+ "level 0 (no compression)\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static uint32_t
+find_buf_size(uint32_t input_size)
+{
+ uint32_t i;
+
+ /* From performance point of view the buffer size should be a
+ * power of 2 but also should be enough to store incompressible data
+ */
+
+ /* We're looking for nearest power of 2 buffer size, which is greather
+ * than input_size
+ */
+ uint32_t size =
+ !input_size ? MIN_COMPRESSED_BUF_SIZE : (input_size << 1);
+
+ for (i = UINT16_MAX + 1; !(i & size); i >>= 1)
+ ;
+
+ return i > ((UINT16_MAX + 1) >> 1)
+ ? (uint32_t)((float)input_size * EXPANSE_RATIO)
+ : i;
+}
+
+static int
+comp_perf_allocate_memory(struct comp_test_data *test_data)
+{
+
+ test_data->out_seg_sz = find_buf_size(test_data->seg_sz);
+ /* Number of segments for input and output
+ * (compression and decompression)
+ */
+ uint32_t total_segs = DIV_CEIL(test_data->input_data_sz,
+ test_data->seg_sz);
+ test_data->comp_buf_pool = rte_pktmbuf_pool_create("comp_buf_pool",
+ total_segs,
+ 0, 0,
+ test_data->out_seg_sz + RTE_PKTMBUF_HEADROOM,
+ rte_socket_id());
+ if (test_data->comp_buf_pool == NULL) {
+ RTE_LOG(ERR, USER1, "Mbuf mempool could not be created\n");
+ return -1;
+ }
+
+ cleanup = ST_MEMORY_ALLOC;
+ test_data->decomp_buf_pool = rte_pktmbuf_pool_create("decomp_buf_pool",
+ total_segs,
+ 0, 0, test_data->seg_sz + RTE_PKTMBUF_HEADROOM,
+ rte_socket_id());
+ if (test_data->decomp_buf_pool == NULL) {
+ RTE_LOG(ERR, USER1, "Mbuf mempool could not be created\n");
+ return -1;
+ }
+
+ test_data->total_bufs = DIV_CEIL(total_segs, test_data->max_sgl_segs);
+
+ test_data->op_pool = rte_comp_op_pool_create("op_pool",
+ test_data->total_bufs,
+ 0, 0, rte_socket_id());
+ if (test_data->op_pool == NULL) {
+ RTE_LOG(ERR, USER1, "Comp op mempool could not be created\n");
+ return -1;
+ }
+
+ /*
+ * Compressed data might be a bit larger than input data,
+ * if data cannot be compressed
+ */
+ test_data->compressed_data = rte_zmalloc_socket(NULL,
+ test_data->input_data_sz * EXPANSE_RATIO
+ + MIN_COMPRESSED_BUF_SIZE, 0,
+ rte_socket_id());
+ if (test_data->compressed_data == NULL) {
+ RTE_LOG(ERR, USER1, "Memory to hold the data from the input "
+ "file could not be allocated\n");
+ return -1;
+ }
+
+ test_data->decompressed_data = rte_zmalloc_socket(NULL,
+ test_data->input_data_sz, 0,
+ rte_socket_id());
+ if (test_data->decompressed_data == NULL) {
+ RTE_LOG(ERR, USER1, "Memory to hold the data from the input "
+ "file could not be allocated\n");
+ return -1;
+ }
+
+ test_data->comp_bufs = rte_zmalloc_socket(NULL,
+ test_data->total_bufs * sizeof(struct rte_mbuf *),
+ 0, rte_socket_id());
+ if (test_data->comp_bufs == NULL) {
+ RTE_LOG(ERR, USER1, "Memory to hold the compression mbufs"
+ " could not be allocated\n");
+ return -1;
+ }
+
+ test_data->decomp_bufs = rte_zmalloc_socket(NULL,
+ test_data->total_bufs * sizeof(struct rte_mbuf *),
+ 0, rte_socket_id());
+ if (test_data->decomp_bufs == NULL) {
+ RTE_LOG(ERR, USER1, "Memory to hold the decompression mbufs"
+ " could not be allocated\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int
+comp_perf_dump_input_data(struct comp_test_data *test_data)
+{
+ FILE *f = fopen(test_data->input_file, "r");
+ int ret = -1;
+
+ if (f == NULL) {
+ RTE_LOG(ERR, USER1, "Input file could not be opened\n");
+ return -1;
+ }
+
+ if (fseek(f, 0, SEEK_END) != 0) {
+ RTE_LOG(ERR, USER1, "Size of input could not be calculated\n");
+ goto end;
+ }
+ size_t actual_file_sz = ftell(f);
+ /* If extended input data size has not been set,
+ * input data size = file size
+ */
+
+ if (test_data->input_data_sz == 0)
+ test_data->input_data_sz = actual_file_sz;
+
+ if (fseek(f, 0, SEEK_SET) != 0) {
+ RTE_LOG(ERR, USER1, "Size of input could not be calculated\n");
+ goto end;
+ }
+
+ test_data->input_data = rte_zmalloc_socket(NULL,
+ test_data->input_data_sz, 0, rte_socket_id());
+
+ if (test_data->input_data == NULL) {
+ RTE_LOG(ERR, USER1, "Memory to hold the data from the input "
+ "file could not be allocated\n");
+ goto end;
+ }
+
+ size_t remaining_data = test_data->input_data_sz;
+ uint8_t *data = test_data->input_data;
+
+ while (remaining_data > 0) {
+ size_t data_to_read = RTE_MIN(remaining_data, actual_file_sz);
+
+ if (fread(data, data_to_read, 1, f) != 1) {
+ RTE_LOG(ERR, USER1, "Input file could not be read\n");
+ goto end;
+ }
+ if (fseek(f, 0, SEEK_SET) != 0) {
+ RTE_LOG(ERR, USER1,
+ "Size of input could not be calculated\n");
+ goto end;
+ }
+ remaining_data -= data_to_read;
+ data += data_to_read;
+ }
+
+ if (test_data->input_data_sz > actual_file_sz)
+ RTE_LOG(INFO, USER1,
+ "%zu bytes read from file %s, extending the file %.2f times\n",
+ test_data->input_data_sz, test_data->input_file,
+ (double)test_data->input_data_sz/actual_file_sz);
+ else
+ RTE_LOG(INFO, USER1,
+ "%zu bytes read from file %s\n",
+ test_data->input_data_sz, test_data->input_file);
+
+ ret = 0;
+
+end:
+ fclose(f);
+ return ret;
+}
+
+static int
+comp_perf_initialize_compressdev(struct comp_test_data *test_data)
+{
+ uint8_t enabled_cdev_count;
+ uint8_t enabled_cdevs[RTE_COMPRESS_MAX_DEVS];
+
+ enabled_cdev_count = rte_compressdev_devices_get(test_data->driver_name,
+ enabled_cdevs, RTE_COMPRESS_MAX_DEVS);
+ if (enabled_cdev_count == 0) {
+ RTE_LOG(ERR, USER1, "No compress devices type %s available\n",
+ test_data->driver_name);
+ return -EINVAL;
+ }
+
+ if (enabled_cdev_count > 1)
+ RTE_LOG(INFO, USER1,
+ "Only the first compress device will be used\n");
+
+ test_data->cdev_id = enabled_cdevs[0];
+
+ if (comp_perf_check_capabilities(test_data) < 0)
+ return -1;
+
+ /* Configure compressdev (one device, one queue pair) */
+ struct rte_compressdev_config config = {
+ .socket_id = rte_socket_id(),
+ .nb_queue_pairs = 1,
+ .max_nb_priv_xforms = NUM_MAX_XFORMS,
+ .max_nb_streams = 0
+ };
+
+ if (rte_compressdev_configure(test_data->cdev_id, &config) < 0) {
+ RTE_LOG(ERR, USER1, "Device configuration failed\n");
+ return -1;
+ }
+
+ if (rte_compressdev_queue_pair_setup(test_data->cdev_id, 0,
+ NUM_MAX_INFLIGHT_OPS, rte_socket_id()) < 0) {
+ RTE_LOG(ERR, USER1, "Queue pair setup failed\n");
+ return -1;
+ }
+
+ if (rte_compressdev_start(test_data->cdev_id) < 0) {
+ RTE_LOG(ERR, USER1, "Device could not be started\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+prepare_bufs(struct comp_test_data *test_data)
+{
+ uint32_t remaining_data = test_data->input_data_sz;
+ uint8_t *input_data_ptr = test_data->input_data;
+ size_t data_sz;
+ uint8_t *data_addr;
+ uint32_t i, j;
+
+ for (i = 0; i < test_data->total_bufs; i++) {
+ /* Allocate data in input mbuf and copy data from input file */
+ test_data->decomp_bufs[i] =
+ rte_pktmbuf_alloc(test_data->decomp_buf_pool);
+ if (test_data->decomp_bufs[i] == NULL) {
+ RTE_LOG(ERR, USER1, "Could not allocate mbuf\n");
+ return -1;
+ }
+
+ cleanup = ST_PREPARE_BUF;
+ data_sz = RTE_MIN(remaining_data, test_data->seg_sz);
+ data_addr = (uint8_t *) rte_pktmbuf_append(
+ test_data->decomp_bufs[i], data_sz);
+ if (data_addr == NULL) {
+ RTE_LOG(ERR, USER1, "Could not append data\n");
+ return -1;
+ }
+ rte_memcpy(data_addr, input_data_ptr, data_sz);
+
+ input_data_ptr += data_sz;
+ remaining_data -= data_sz;
+
+ /* Already one segment in the mbuf */
+ uint16_t segs_per_mbuf = 1;
+
+ /* Chain mbufs if needed for input mbufs */
+ while (segs_per_mbuf < test_data->max_sgl_segs
+ && remaining_data > 0) {
+ struct rte_mbuf *next_seg =
+ rte_pktmbuf_alloc(test_data->decomp_buf_pool);
+
+ if (next_seg == NULL) {
+ RTE_LOG(ERR, USER1,
+ "Could not allocate mbuf\n");
+ return -1;
+ }
+
+ data_sz = RTE_MIN(remaining_data, test_data->seg_sz);
+ data_addr = (uint8_t *)rte_pktmbuf_append(next_seg,
+ data_sz);
+
+ if (data_addr == NULL) {
+ RTE_LOG(ERR, USER1, "Could not append data\n");
+ return -1;
+ }
+
+ rte_memcpy(data_addr, input_data_ptr, data_sz);
+ input_data_ptr += data_sz;
+ remaining_data -= data_sz;
+
+ if (rte_pktmbuf_chain(test_data->decomp_bufs[i],
+ next_seg) < 0) {
+ RTE_LOG(ERR, USER1, "Could not chain mbufs\n");
+ return -1;
+ }
+ segs_per_mbuf++;
+ }
+
+ /* Allocate data in output mbuf */
+ test_data->comp_bufs[i] =
+ rte_pktmbuf_alloc(test_data->comp_buf_pool);
+ if (test_data->comp_bufs[i] == NULL) {
+ RTE_LOG(ERR, USER1, "Could not allocate mbuf\n");
+ return -1;
+ }
+ data_addr = (uint8_t *) rte_pktmbuf_append(
+ test_data->comp_bufs[i],
+ test_data->out_seg_sz);
+ if (data_addr == NULL) {
+ RTE_LOG(ERR, USER1, "Could not append data\n");
+ return -1;
+ }
+
+ /* Chain mbufs if needed for output mbufs */
+ for (j = 1; j < segs_per_mbuf; j++) {
+ struct rte_mbuf *next_seg =
+ rte_pktmbuf_alloc(test_data->comp_buf_pool);
+
+ if (next_seg == NULL) {
+ RTE_LOG(ERR, USER1,
+ "Could not allocate mbuf\n");
+ return -1;
+ }
+
+ data_addr = (uint8_t *)rte_pktmbuf_append(next_seg,
+ test_data->out_seg_sz);
+
+ if (data_addr == NULL) {
+ RTE_LOG(ERR, USER1, "Could not append data\n");
+ return -1;
+ }
+
+ if (rte_pktmbuf_chain(test_data->comp_bufs[i],
+ next_seg) < 0) {
+ RTE_LOG(ERR, USER1, "Could not chain mbufs\n");
+ return -1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static void
+free_bufs(struct comp_test_data *test_data)
+{
+ uint32_t i;
+
+ for (i = 0; i < test_data->total_bufs; i++) {
+ rte_pktmbuf_free(test_data->comp_bufs[i]);
+ rte_pktmbuf_free(test_data->decomp_bufs[i]);
+ }
+}
+
+
int
main(int argc, char **argv)
{
- int ret;
+ uint8_t level, level_idx = 0;
+ int ret, i;
struct comp_test_data *test_data;
/* Initialise DPDK EAL */
rte_exit(EXIT_FAILURE, "Cannot reserve memory in socket %d\n",
rte_socket_id());
+ ret = EXIT_SUCCESS;
+ cleanup = ST_TEST_DATA;
comp_perf_options_default(test_data);
if (comp_perf_options_parse(test_data, argc, argv) < 0) {
RTE_LOG(ERR, USER1,
"Parsing one or more user options failed\n");
ret = EXIT_FAILURE;
- goto err;
+ goto end;
}
if (comp_perf_options_check(test_data) < 0) {
ret = EXIT_FAILURE;
- goto err;
+ goto end;
}
- ret = EXIT_SUCCESS;
+ if (comp_perf_initialize_compressdev(test_data) < 0) {
+ ret = EXIT_FAILURE;
+ goto end;
+ }
-err:
- rte_free(test_data);
+ cleanup = ST_COMPDEV;
+ if (comp_perf_dump_input_data(test_data) < 0) {
+ ret = EXIT_FAILURE;
+ goto end;
+ }
+
+ cleanup = ST_INPUT_DATA;
+ if (comp_perf_allocate_memory(test_data) < 0) {
+ ret = EXIT_FAILURE;
+ goto end;
+ }
+
+ if (prepare_bufs(test_data) < 0) {
+ ret = EXIT_FAILURE;
+ goto end;
+ }
+
+ if (test_data->level.inc != 0)
+ level = test_data->level.min;
+ else
+ level = test_data->level.list[0];
+
+ printf("Burst size = %u\n", test_data->burst_sz);
+ printf("File size = %zu\n", test_data->input_data_sz);
+ printf("%6s%12s%17s%19s%21s%15s%21s%23s%16s\n",
+ "Level", "Comp size", "Comp ratio [%]",
+ "Comp [Cycles/it]", "Comp [Cycles/Byte]", "Comp [Gbps]",
+ "Decomp [Cycles/it]", "Decomp [Cycles/Byte]", "Decomp [Gbps]");
+
+ cleanup = ST_DURING_TEST;
+ while (level <= test_data->level.max) {
+
+ /*
+ * Run a first iteration, to verify compression and
+ * get the compression ratio for the level
+ */
+ if (cperf_verification(test_data, level) != EXIT_SUCCESS)
+ break;
+
+ /*
+ * Run benchmarking test
+ */
+ if (cperf_benchmark(test_data, level) != EXIT_SUCCESS)
+ break;
+
+ printf("%6u%12zu%17.2f%19"PRIu64"%21.2f"
+ "%15.2f%21"PRIu64"%23.2f%16.2f\n",
+ level, test_data->comp_data_sz, test_data->ratio,
+ test_data->comp_tsc_duration[level],
+ test_data->comp_tsc_byte, test_data->comp_gbps,
+ test_data->decomp_tsc_duration[level],
+ test_data->decomp_tsc_byte, test_data->decomp_gbps);
+
+ if (test_data->level.inc != 0)
+ level += test_data->level.inc;
+ else {
+ if (++level_idx == test_data->level.count)
+ break;
+ level = test_data->level.list[level_idx];
+ }
+ }
+
+end:
+ switch (cleanup) {
+
+ case ST_DURING_TEST:
+ case ST_PREPARE_BUF:
+ free_bufs(test_data);
+ /* fallthrough */
+ case ST_MEMORY_ALLOC:
+ rte_free(test_data->decomp_bufs);
+ rte_free(test_data->comp_bufs);
+ rte_free(test_data->decompressed_data);
+ rte_free(test_data->compressed_data);
+ rte_mempool_free(test_data->op_pool);
+ rte_mempool_free(test_data->decomp_buf_pool);
+ rte_mempool_free(test_data->comp_buf_pool);
+ /* fallthrough */
+ case ST_INPUT_DATA:
+ rte_free(test_data->input_data);
+ /* fallthrough */
+ case ST_COMPDEV:
+ if (test_data->cdev_id != -1)
+ rte_compressdev_stop(test_data->cdev_id);
+ /* fallthrough */
+ case ST_TEST_DATA:
+ rte_free(test_data);
+ /* fallthrough */
+ case ST_CLEAR:
+ default:
+ i = rte_eal_cleanup();
+ if (i) {
+ RTE_LOG(ERR, USER1,
+ "Error from rte_eal_cleanup(), %d\n", i);
+ ret = i;
+ }
+ break;
+ }
return ret;
}
git.droids-corp.org / dpdk.git / blobdiff