From patchwork Tue Aug 11 07:20:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Balakrishna Garapati X-Patchwork-Id: 52284 Return-Path: X-Original-To: linaro@patches.linaro.org Delivered-To: linaro@patches.linaro.org Received: from mail-lb0-f200.google.com (mail-lb0-f200.google.com [209.85.217.200]) by patches.linaro.org (Postfix) with ESMTPS id B986F22919 for ; Tue, 11 Aug 2015 07:20:57 +0000 (UTC) Received: by lbcli1 with SMTP id li1sf12759444lbc.2 for ; Tue, 11 Aug 2015 00:20:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:delivered-to:delivered-to:from:to:date :message-id:cc:subject:precedence:list-id:list-unsubscribe :list-archive:list-post:list-help:list-subscribe:mime-version :content-type:content-transfer-encoding:errors-to:sender :x-original-sender:x-original-authentication-results:mailing-list; bh=0FkqgRuZoUb7lYydIyCz/Z3bqeZWyO33S7Z5hcJGFd0=; b=gjgyAVKzaq7VZ+3D3IxrO17HQE6FyTnHmO3Osn72/dQDlV1XbMAuUaP3kgOboHyoZU KKjWqXublKNC3UI1Hn4+g3gu7YWSWyihLZZIxp7FZPPw7AONDu16seI89LKGwTAi9AOc 715fEr9pyxWH3AfCpkfwTsjIMiSrtk59EldF+OiTJmJzW6MtMNNTdDYJjFHd+4BG95NY XFzM9EXg6kuIDLVJVNlbJiFp2ldmUhU2AhSgb4gyNcxLj9QTRGgw7AHue7w0CAqRbBSS fw47SrDTFu2PWLJsWPPL2QcSwLdgYtJz8cHdY9msYEcqt/mVdn6vogYNjW7qoxXJm9Dv q2rQ== X-Gm-Message-State: ALoCoQko70W0pRq70Yjs2iYeQKeurfZvKJkOa1oVPaX4s6lc5D+LrKgZO6xcDl1MTGUWgcyYFCF5 X-Received: by 10.112.13.200 with SMTP id j8mr7640293lbc.14.1439277656341; Tue, 11 Aug 2015 00:20:56 -0700 (PDT) X-BeenThere: patchwork-forward@linaro.org Received: by 10.152.27.65 with SMTP id r1ls209042lag.31.gmail; Tue, 11 Aug 2015 00:20:56 -0700 (PDT) X-Received: by 10.152.87.72 with SMTP id v8mr24655039laz.62.1439277656186; Tue, 11 Aug 2015 00:20:56 -0700 (PDT) Received: from mail-la0-f52.google.com (mail-la0-f52.google.com. [209.85.215.52]) by mx.google.com with ESMTPS id db5si685662lac.73.2015.08.11.00.20.55 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 11 Aug 2015 00:20:55 -0700 (PDT) Received-SPF: pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.52 as permitted sender) client-ip=209.85.215.52; Received: by lalv9 with SMTP id v9so23325268lal.0 for ; Tue, 11 Aug 2015 00:20:55 -0700 (PDT) X-Received: by 10.152.203.134 with SMTP id kq6mr24949839lac.106.1439277655713; Tue, 11 Aug 2015 00:20:55 -0700 (PDT) X-Forwarded-To: patchwork-forward@linaro.org X-Forwarded-For: patch@linaro.org patchwork-forward@linaro.org Delivered-To: patch@linaro.org Received: by 10.112.7.198 with SMTP id l6csp2339960lba; Tue, 11 Aug 2015 00:20:54 -0700 (PDT) X-Received: by 10.107.6.231 with SMTP id f100mr24853599ioi.61.1439277653629; Tue, 11 Aug 2015 00:20:53 -0700 (PDT) Received: from lists.linaro.org (lists.linaro.org. [54.225.227.206]) by mx.google.com with ESMTP id hj5si982524igb.55.2015.08.11.00.20.52; Tue, 11 Aug 2015 00:20:53 -0700 (PDT) Received-SPF: pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.225.227.206 as permitted sender) client-ip=54.225.227.206; Received: by lists.linaro.org (Postfix, from userid 109) id 6E6FB62057; Tue, 11 Aug 2015 07:20:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on ip-10-142-244-252.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from ip-10-142-244-252.ec2.internal (localhost [127.0.0.1]) by lists.linaro.org (Postfix) with ESMTP id 7C1B361C68; Tue, 11 Aug 2015 07:20:46 +0000 (UTC) X-Original-To: lng-odp@lists.linaro.org Delivered-To: lng-odp@lists.linaro.org Received: by lists.linaro.org (Postfix, from userid 109) id 9775262041; Tue, 11 Aug 2015 07:20:44 +0000 (UTC) Received: from mail-lb0-f180.google.com (mail-lb0-f180.google.com [209.85.217.180]) by lists.linaro.org (Postfix) with ESMTPS id 7CA9761B7C for ; Tue, 11 Aug 2015 07:20:43 +0000 (UTC) Received: by lbbpu9 with SMTP id pu9so80648139lbb.3 for ; Tue, 11 Aug 2015 00:20:42 -0700 (PDT) X-Received: by 10.112.145.169 with SMTP id sv9mr24795234lbb.73.1439277642150; Tue, 11 Aug 2015 00:20:42 -0700 (PDT) Received: from elxahtkds32.localdomain (host-95-192-224-66.mobileonline.telia.com. [95.192.224.66]) by smtp.gmail.com with ESMTPSA id kt10sm250797lac.39.2015.08.11.00.20.40 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 11 Aug 2015 00:20:41 -0700 (PDT) From: "Balakrishna.Garapati" To: stuart.haslam@linaro.org, maxim.uvarov@linaro.org Date: Tue, 11 Aug 2015 09:20:33 +0200 Message-Id: <1439277633-12410-1-git-send-email-balakrishna.garapati@linaro.org> X-Mailer: git-send-email 1.9.1 X-Topics: patch Cc: lng-odp@lists.linaro.org Subject: [lng-odp] [PATCHv6] example:generator:option to supply core mask X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Errors-To: lng-odp-bounces@lists.linaro.org Sender: "lng-odp" X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: balakrishna.garapati@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.52 as permitted sender) smtp.mailfrom=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 Signed-off-by: Balakrishna.Garapati --- boundry check for cpu count vs cpumask_last to limit mask example/generator/odp_generator.c | 65 +++++++++++++++++++++++++++------------ 1 file changed, 45 insertions(+), 20 deletions(-) diff --git a/example/generator/odp_generator.c b/example/generator/odp_generator.c index bdee222..a2d8c66 100644 --- a/example/generator/odp_generator.c +++ b/example/generator/odp_generator.c @@ -43,6 +43,7 @@ */ typedef struct { int cpu_count; /**< system CPU count */ + const char *mask; /**< s/core mask/CPU mask */ int if_count; /**< Number of interfaces to be used */ char **if_names; /**< Array of pointers to interface names */ char *if_str; /**< Storage for interface names */ @@ -645,18 +646,31 @@ int main(int argc, char *argv[]) if (args->appl.cpu_count) num_workers = args->appl.cpu_count; - /* ping mode need two worker */ - if (args->appl.mode == APPL_MODE_PING) - num_workers = 2; + if (args->appl.mask) { + odp_cpumask_from_str(&cpumask, args->appl.mask); + num_workers = odp_cpumask_count(&cpumask); + if (odp_cpu_count() < (odp_cpumask_last(&cpumask) + 1)) { + num_workers = odp_cpumask_def_worker(&cpumask, + num_workers); + } + } else { + num_workers = odp_cpumask_def_worker(&cpumask, num_workers); + } - /* Get default worker cpumask */ - num_workers = odp_cpumask_def_worker(&cpumask, num_workers); (void)odp_cpumask_to_str(&cpumask, cpumaskstr, sizeof(cpumaskstr)); printf("num worker threads: %i\n", num_workers); printf("first CPU: %i\n", odp_cpumask_first(&cpumask)); printf("cpu mask: %s\n", cpumaskstr); + /* ping mode need two workers */ + if (args->appl.mode == APPL_MODE_PING) { + if (num_workers < 2) { + EXAMPLE_ERR("Need at least two worker threads\n"); + exit(EXIT_FAILURE); + } + } + /* Create packet pool */ memset(¶ms, 0, sizeof(params)); params.pkt.seg_len = SHM_PKT_POOL_BUF_SIZE; @@ -704,12 +718,13 @@ int main(int argc, char *argv[]) memset(thread_tbl, 0, sizeof(thread_tbl)); if (args->appl.mode == APPL_MODE_PING) { - odp_cpumask_t cpu0_mask; + odp_cpumask_t cpu_mask; odp_queue_t tq; + int cpu_first, cpu_next; - /* Previous code forced both threads to CPU 0 */ - odp_cpumask_zero(&cpu0_mask); - odp_cpumask_set(&cpu0_mask, 0); + odp_cpumask_zero(&cpu_mask); + cpu_first = odp_cpumask_first(&cpumask); + odp_cpumask_set(&cpu_mask, cpu_first); tq = odp_queue_create("", ODP_QUEUE_TYPE_POLL, NULL); if (tq == ODP_QUEUE_INVALID) @@ -725,7 +740,7 @@ int main(int argc, char *argv[]) if (args->thread[1].tmo_ev == ODP_TIMEOUT_INVALID) abort(); args->thread[1].mode = args->appl.mode; - odph_linux_pthread_create(&thread_tbl[1], &cpu0_mask, + odph_linux_pthread_create(&thread_tbl[1], &cpu_mask, gen_recv_thread, &args->thread[1]); tq = odp_queue_create("", ODP_QUEUE_TYPE_POLL, NULL); @@ -742,7 +757,10 @@ int main(int argc, char *argv[]) if (args->thread[0].tmo_ev == ODP_TIMEOUT_INVALID) abort(); args->thread[0].mode = args->appl.mode; - odph_linux_pthread_create(&thread_tbl[0], &cpu0_mask, + cpu_next = odp_cpumask_next(&cpumask, cpu_first); + odp_cpumask_zero(&cpu_mask); + odp_cpumask_set(&cpu_mask, cpu_next); + odph_linux_pthread_create(&thread_tbl[0], &cpu_mask, gen_send_thread, &args->thread[0]); /* only wait send thread to join */ @@ -824,11 +842,12 @@ static void parse_args(int argc, char *argv[], appl_args_t *appl_args) static struct option longopts[] = { {"interface", required_argument, NULL, 'I'}, {"workers", required_argument, NULL, 'w'}, + {"cpumask", required_argument, NULL, 'c'}, {"srcmac", required_argument, NULL, 'a'}, {"dstmac", required_argument, NULL, 'b'}, - {"srcip", required_argument, NULL, 'c'}, + {"srcip", required_argument, NULL, 's'}, {"dstip", required_argument, NULL, 'd'}, - {"packetsize", required_argument, NULL, 's'}, + {"packetsize", required_argument, NULL, 'p'}, {"mode", required_argument, NULL, 'm'}, {"count", required_argument, NULL, 'n'}, {"timeout", required_argument, NULL, 't'}, @@ -843,8 +862,8 @@ static void parse_args(int argc, char *argv[], appl_args_t *appl_args) appl_args->timeout = -1; while (1) { - opt = getopt_long(argc, argv, "+I:a:b:c:d:s:i:m:n:t:w:h", - longopts, &long_index); + opt = getopt_long(argc, argv, "+I:a:b:s:d:p:i:m:n:t:w:c:h", + longopts, &long_index); if (opt == -1) break; /* No more options */ @@ -852,6 +871,9 @@ static void parse_args(int argc, char *argv[], appl_args_t *appl_args) case 'w': appl_args->cpu_count = atoi(optarg); break; + case 'c': + appl_args->mask = optarg; + break; /* parse packet-io interface names */ case 'I': len = strlen(optarg); @@ -920,7 +942,7 @@ static void parse_args(int argc, char *argv[], appl_args_t *appl_args) } break; - case 'c': + case 's': if (scan_ip(optarg, &appl_args->srcip) != 1) { EXAMPLE_ERR("wrong src ip:%s\n", optarg); exit(EXIT_FAILURE); @@ -934,7 +956,7 @@ static void parse_args(int argc, char *argv[], appl_args_t *appl_args) } break; - case 's': + case 'p': appl_args->payload = atoi(optarg); break; @@ -1027,20 +1049,23 @@ static void usage(char *progname) " 2.receive udp packets\n" " odp_generator -I eth0 -m r\n" " 3.work likes ping\n" - " odp_generator -I eth0 --srcmac fe:0f:97:c9:e0:44 --dstmac 32:cb:9b:27:2f:1a --srcip 192.168.0.1 --dstip 192.168.0.2 -m p\n" + " odp_generator -I eth0 --srcmac fe:0f:97:c9:e0:44 --dstmac 32:cb:9b:27:2f:1a --srcip 192.168.0.1 --dstip 192.168.0.2 --cpumask 0xc -m p\n" "\n" "Mandatory OPTIONS:\n" " -I, --interface Eth interfaces (comma-separated, no spaces)\n" " -a, --srcmac src mac address\n" " -b, --dstmac dst mac address\n" - " -c, --srcip src ip address\n" + " -s, --srcip src ip address\n" " -d, --dstip dst ip address\n" - " -s, --packetsize payload length of the packets\n" + " -p, --packetsize payload length of the packets\n" " -m, --mode work mode: send udp(u), receive(r), send icmp(p)\n" " -n, --count the number of packets to be send\n" " -t, --timeout only for ping mode, wait ICMP reply timeout seconds\n" " -i, --interval wait interval ms between sending each packet\n" " default is 1000ms. 0 for flood mode\n" + " -w, --workers specify number of workers need to be assigned to application\n" + " default is to assign all\n" + " -c, --cpumask to set on cores\n" "\n" "Optional OPTIONS\n" " -h, --help Display help and exit.\n"