From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-f179.google.com (mail-lj1-f179.google.com [209.85.208.179]) by dpdk.org (Postfix) with ESMTP id D9E7F98; Sat, 18 Aug 2018 17:12:27 +0200 (CEST) Received: by mail-lj1-f179.google.com with SMTP id l15-v6so8513606lji.6; Sat, 18 Aug 2018 08:12:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=SaU303aB9wlze0XKYEP0hWHVYXiZI9JP6qHfdHTiwNk=; b=bvdD+4JopyDkTuovtggED79dNqtg8CZqlvsvH4JIdLGsauDQ1+EO7T1P+JkKU5Q/YD ZgDx1MItSeJWQQcQUTK8zl1OAwKSidMUdZCjhHcKFwVyIVGho/I7biFpJ6JzdDrZZqXi NR4QdvbLYEcAAIX/RrCy+dk8ccEDcNF9Nvm//gC1oAMaB7DymXIcD7N1mecfjdrBFoDS AxdnYmn4aB9uQHEGMCqj5t/Yq/pW6U4vIGSlAYCJR3c3wNGhCrl0jvA3QbiA8IuP2PQY rvDRB6gC9EjmJa/oN9J6lWitm7+BXvEmop9YQuntWaYHNVsf4rue1hZ1kPn8S71dYD4x 4HQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=SaU303aB9wlze0XKYEP0hWHVYXiZI9JP6qHfdHTiwNk=; b=sKCGx5W2oDJzvpz9oGX4kLp96HUPVmxUOfvhoie0uV7yRJCwFzFffMVVocduh64Kkj 01vM2SjfxoPaiGHZ161DyY/uWI8U/bD3r5onEpfTrTYgjZ2RQPOybrrVEgvoMoGgAT/d fiy3aFzi/BHaDYQk57UDVcCTSpppkbhi4gU2BFlS6IZ4EMZbaO0bofqYMUz218CVqiKQ GrLdroCqKl+yZJsZj76zAys0/OxNddFTI/DDeDobyLEoS5CpaUgri+uBNehPf/TQ/Swz avGU5Myf81pEIABuDsiA+hMTdtqqVtot860hNwDrA4tpWRSiUf+rCrNYG+yQeX1AKwHa XjQg== X-Gm-Message-State: AOUpUlH+NX5FbXeXrj27KH7Ir6TK80lv9sXZ/jPkHZEkOwwesK+D4vGX hFjKcEBAy5RDa/Zok2n+wAcmrOehLJf4ch3Qccq8Yw== X-Google-Smtp-Source: AA+uWPzFIXHYQU6uwZeK7BW2dn0ZPpxic/X603hwgrSoIc3jr8++Gf35XVQOXXYzdZULZzIgq3IAFFSu3CEPNmENRGI= X-Received: by 2002:a2e:7c12:: with SMTP id x18-v6mr14459108ljc.71.1534605147094; Sat, 18 Aug 2018 08:12:27 -0700 (PDT) MIME-Version: 1.0 From: Guru Prasad Date: Sat, 18 Aug 2018 20:42:14 +0530 Message-ID: To: users@dpdk.org Cc: dev@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] Dpdk eventdev performance testing X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 18 Aug 2018 15:12:28 -0000 Hi All, While testing performance with eventdev, I am seeing a crash in dpdk service core. Test scenario is given below 1) DPDK 1805 2 Eventdev ordered Queues & 2 Ports 2) 2 Workers threads + 1 Service core for running scheduling. 3) 1st worker is getting packet from NIC and enqueueing to Q1 *.... [PLEASE FILL THIS]* 4) Packet rate of 5.6Mpps (Pkt size 64 bytes) Thread 7 "lcore-slave-6" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fdde35fd700 (LWP 9067)] 0x00007fffb3ce1101 in iq_alloc_chunk (sw=0x7ff9e80c3500) at dpdk/dpdk-18.05/drivers/event/sw/iq_chunk.h:35 35 sw->chunk_list_head = chunk->next; (gdb) bt #0 0x00007fffb3ce1101 in iq_alloc_chunk (sw=0x7ff9e80c3500) at dpdk/dpdk-18.05/drivers/event/sw/iq_chunk.h:35 #1 iq_enqueue (ev=0x7ff9e80d3800, iq=0x7ff9e85119a0, sw=0x7ff9e80c3500) at dpdk/dpdk-18.05/drivers/event/sw/iq_chunk.h:79 #2 __pull_port_lb (allow_reorder=1, port_id=0, sw=0x7ff9e80c3500) at dpdk/dpdk-18.05/drivers/event/sw/sw_evdev_scheduler.c:435 #3 sw_schedule_pull_port_lb (sw=0x7ff9e80c3500, port_id=0) at dpdk/dpdk-18.05/drivers/event/sw/sw_evdev_scheduler.c:452 #4 0x00007fffb3ce2824 in sw_event_schedule (dev=0x7fffb490b6c0 ) at dpdk/dpdk-18.05/drivers/event/sw/sw_evdev_scheduler.c:524 #5 0x00007fffb3cdbb1a in sw_sched_service_func (args=0x7fffb490b6c0 ) at dpdk/dpdk-18.05/drivers/event/sw/sw_evdev.c:795 #6 0x00007fffb35e6326 in rte_service_runner_do_callback (s=0x7ff9e93fe000, cs=0x7ff9e93dad40, service_idx=0) at dpdk/dpdk-18.05/lib/librte_eal/common/rte_service.c:345 #7 0x00007fffb35e643f in service_run (i=0, cs=0x7ff9e93dad40, service_mask=1) at dpdk/dpdk-18.05/lib/librte_eal/common/rte_service.c:372 #8 0x00007fffb35e6599 in rte_service_runner_func (arg=0x0) at dpdk/dpdk-18.05/lib/librte_eal/common/rte_service.c:422 #9 0x00007fffb35b872a in eal_thread_loop (arg=0x0) at dpdk/dpdk-18.05/lib/librte_eal/linuxapp/eal/eal_thread.c:153 #10 0x00007ffff614b6ba in start_thread (arg=0x7fdde35fd700) at pthread_create.c:333 #11 0x00007ffff5c7d41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Is this a known issue at high load or am I doing something wrong? Thanks in advance, Guruprasad T S