X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Flibrte_latencystats%2Frte_latencystats.c;h=06c62831b41542edc7f09856a81fa936674283fe;hb=e53ce4e4137974f46743e74bd9ab912e0166c8b1;hp=3850b88708f90c82a533c6713053ee5347975566;hpb=5cd3cac9ed228f35e10fc322483f10897ae44c86;p=dpdk.git diff --git a/lib/librte_latencystats/rte_latencystats.c b/lib/librte_latencystats/rte_latencystats.c index 3850b88708..06c62831b4 100644 --- a/lib/librte_latencystats/rte_latencystats.c +++ b/lib/librte_latencystats/rte_latencystats.c @@ -1,33 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2017 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Intel Corporation */ #include @@ -35,6 +7,7 @@ #include #include +#include #include #include #include @@ -42,7 +15,6 @@ #include #include #include -#include #include "rte_latencystats.h" @@ -75,7 +47,7 @@ struct rte_latency_stats { static struct rte_latency_stats *glob_stats; struct rxtx_cbs { - struct rte_eth_rxtx_callback *cb; + const struct rte_eth_rxtx_callback *cb; }; static struct rxtx_cbs rx_cbs[RTE_MAX_ETHPORTS][RTE_MAX_QUEUES_PER_PORT]; @@ -136,7 +108,7 @@ rte_latencystats_fill_values(struct rte_metric_value *values) } static uint16_t -add_time_stamps(uint8_t pid __rte_unused, +add_time_stamps(uint16_t pid __rte_unused, uint16_t qid __rte_unused, struct rte_mbuf **pkts, uint16_t nb_pkts, @@ -154,8 +126,11 @@ add_time_stamps(uint8_t pid __rte_unused, for (i = 0; i < nb_pkts; i++) { diff_tsc = now - prev_tsc; timer_tsc += diff_tsc; - if (timer_tsc >= samp_intvl) { + + if ((pkts[i]->ol_flags & PKT_RX_TIMESTAMP) == 0 + && (timer_tsc >= samp_intvl)) { pkts[i]->timestamp = now; + pkts[i]->ol_flags |= PKT_RX_TIMESTAMP; timer_tsc = 0; } prev_tsc = now; @@ -166,7 +141,7 @@ add_time_stamps(uint8_t pid __rte_unused, } static uint16_t -calc_latency(uint8_t pid __rte_unused, +calc_latency(uint16_t pid __rte_unused, uint16_t qid __rte_unused, struct rte_mbuf **pkts, uint16_t nb_pkts, @@ -185,7 +160,7 @@ calc_latency(uint8_t pid __rte_unused, now = rte_rdtsc(); for (i = 0; i < nb_pkts; i++) { - if (pkts[i]->timestamp) + if (pkts[i]->ol_flags & PKT_RX_TIMESTAMP) latency[cnt++] = now - pkts[i]->timestamp; } @@ -227,10 +202,9 @@ rte_latencystats_init(uint64_t app_samp_intvl, rte_latency_stats_flow_type_fn user_cb) { unsigned int i; - uint8_t pid; + uint16_t pid; uint16_t qid; struct rxtx_cbs *cbs = NULL; - const uint8_t nb_ports = rte_eth_dev_count(); const char *ptr_strings[NUM_LATENCY_STATS] = {0}; const struct rte_memzone *mz = NULL; const unsigned int flags = 0; @@ -263,7 +237,7 @@ rte_latencystats_init(uint64_t app_samp_intvl, } /** Register Rx/Tx callbacks */ - for (pid = 0; pid < nb_ports; pid++) { + RTE_ETH_FOREACH_DEV(pid) { struct rte_eth_dev_info dev_info; rte_eth_dev_info_get(pid, &dev_info); for (qid = 0; qid < dev_info.nb_rx_queues; qid++) { @@ -291,14 +265,14 @@ rte_latencystats_init(uint64_t app_samp_intvl, int rte_latencystats_uninit(void) { - uint8_t pid; + uint16_t pid; uint16_t qid; int ret = 0; struct rxtx_cbs *cbs = NULL; - const uint8_t nb_ports = rte_eth_dev_count(); + const struct rte_memzone *mz = NULL; /** De register Rx/Tx callbacks */ - for (pid = 0; pid < nb_ports; pid++) { + RTE_ETH_FOREACH_DEV(pid) { struct rte_eth_dev_info dev_info; rte_eth_dev_info_get(pid, &dev_info); for (qid = 0; qid < dev_info.nb_rx_queues; qid++) { @@ -319,6 +293,11 @@ rte_latencystats_uninit(void) } } + /* free up the memzone */ + mz = rte_memzone_lookup(MZ_RTE_LATENCY_STATS); + if (mz) + rte_memzone_free(mz); + return 0; } @@ -331,8 +310,8 @@ rte_latencystats_get_names(struct rte_metric_name *names, uint16_t size) return NUM_LATENCY_STATS; for (i = 0; i < NUM_LATENCY_STATS; i++) - snprintf(names[i].name, sizeof(names[i].name), - "%s", lat_stats_strings[i].name); + strlcpy(names[i].name, lat_stats_strings[i].name, + sizeof(names[i].name)); return NUM_LATENCY_STATS; }