From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Gora Subject: [PATCH v2 4/5] examples/kni: add log msgs to show and clear stats Date: Wed, 19 Sep 2018 16:55:48 -0300 Message-ID: <20180919195549.5585-5-dg@adax.com> References: <20180911232906.18352-1-dg@adax.com> <20180919195549.5585-1-dg@adax.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: Igor Ryzhov , Stephen Hemminger , Dan Gora , Ferruh Yigit To: dev@dpdk.org Return-path: Received: from mail-qk1-f180.google.com (mail-qk1-f180.google.com [209.85.222.180]) by dpdk.org (Postfix) with ESMTP id 045881B13A for ; Wed, 19 Sep 2018 21:56:28 +0200 (CEST) Received: by mail-qk1-f180.google.com with SMTP id p84-v6so3488460qke.1 for ; Wed, 19 Sep 2018 12:56:28 -0700 (PDT) In-Reply-To: <20180919195549.5585-1-dg@adax.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add logging messages showing the commands necessary for the user to have the application display and zero the statistics. Signed-off-by: Dan Gora --- examples/kni/main.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/examples/kni/main.c b/examples/kni/main.c index 8c3d3839e..ca45347d8 100644 --- a/examples/kni/main.c +++ b/examples/kni/main.c @@ -171,14 +171,13 @@ signal_handler(int signum) /* When we receive a USR2 signal, reset stats */ if (signum == SIGUSR2) { memset(&kni_stats, 0, sizeof(kni_stats)); - printf("\n**Statistics have been reset**\n"); + printf("\n** Statistics have been reset **\n"); return; } /* When we receive a RTMIN or SIGINT signal, stop kni processing */ if (signum == SIGRTMIN || signum == SIGINT){ - printf("SIGRTMIN is received, and the KNI processing is " - "going to stop\n"); + printf("\nSIGRTMIN/SIGINT received. KNI processing stopping.\n"); rte_atomic32_inc(&kni_stop); return; } @@ -884,6 +883,7 @@ main(int argc, char** argv) unsigned i; void *retval; pthread_t kni_link_tid; + int pid; /* Associate signal_hanlder function with USR signals */ signal(SIGUSR1, signal_handler); @@ -939,6 +939,16 @@ main(int argc, char** argv) kni_alloc(port); } + pid = getpid(); + RTE_LOG(INFO, APP, "========================\n"); + RTE_LOG(INFO, APP, "KNI Running\n"); + RTE_LOG(INFO, APP, "kill -SIGUSR1 %d\n", pid); + RTE_LOG(INFO, APP, " Show KNI Statistics.\n"); + RTE_LOG(INFO, APP, "kill -SIGUSR2 %d\n", pid); + RTE_LOG(INFO, APP, " Zero KNI Statistics.\n"); + RTE_LOG(INFO, APP, "========================\n"); + fflush(stdout); + kni_running = 1; ret = rte_ctrl_thread_create(&kni_link_tid, "KNI link status check", NULL, -- 2.19.0