From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 88E93A04F9; Fri, 10 Jan 2020 09:59:19 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 07FD71E88C; Fri, 10 Jan 2020 09:59:19 +0100 (CET) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 72A111DDBB for ; Fri, 10 Jan 2020 09:59:17 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jan 2020 00:59:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,415,1571727600"; d="scan'208";a="304109577" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.35]) ([10.237.221.35]) by orsmga001.jf.intel.com with ESMTP; 10 Jan 2020 00:59:15 -0800 To: Stephen Hemminger Cc: "Iremonger, Bernard" , "dev@dpdk.org" References: <20200107174056.9397-1-stephen@networkplumber.org> <20200107185942.21202-1-stephen@networkplumber.org> <20200108072815.69aeb7b0@hermes.lan> <399a40ba-7643-f28f-ad76-3fc1e3d0ab9d@intel.com> <9bb66700-e9d9-91aa-f53f-69d0e6510fc3@intel.com> <20200109081348.795ce272@hermes.lan> From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH v2] testpmd: call cleanup on exit 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 1/9/2020 4:13 PM, Stephen Hemminger wrote: > On Thu, 9 Jan 2020 11:31:30 +0000 > Ferruh Yigit wrote: > >> On 1/9/2020 11:16 AM, Ferruh Yigit wrote: >>> On 1/8/2020 3:28 PM, Stephen Hemminger wrote: >>>> On Wed, 8 Jan 2020 09:45:54 +0000 >>>> "Iremonger, Bernard" wrote: >>>> >>>>> Hi Stephen, >>>>> >>>>>> -----Original Message----- >>>>>> From: dev On Behalf Of Stephen Hemminger >>>>>> Sent: Tuesday, January 7, 2020 7:00 PM >>>>>> To: dev@dpdk.org >>>>>> Cc: Stephen Hemminger >>>>>> Subject: [dpdk-dev] [PATCH v2] testpmd: call cleanup on exit >>>>>> >>>>>> The rte_eal_cleanup code is not exercised by testpmd which is the most >>>>>> used DPDK test tool. Add a call at end of program. >>>>>> >>>>>> This helps exercise free and close paths which can be checked with tools like >>>>>> valgrind. >>>>>> >>>>>> Signed-off-by: Stephen Hemminger >>>>>> --- >>>>>> v2 - report errors >>>>>> >>>>>> app/test-pmd/testpmd.c | 7 ++++++- >>>>>> 1 file changed, 6 insertions(+), 1 deletion(-) >>>>>> >>>>>> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index >>>>>> b3746822366f..2eec8afda1ec 100644 >>>>>> --- a/app/test-pmd/testpmd.c >>>>>> +++ b/app/test-pmd/testpmd.c >>>>>> @@ -3570,5 +3570,10 @@ main(int argc, char** argv) >>>>>> return 1; >>>>>> } >>>>>> >>>>>> - return 0; >>>>>> + ret = rte_eal_cleanup(); >>>>>> + if (ret != 0) >>>>>> + rte_exit(EXIT_FAILURE, >>>>>> + "EAL cleanup failed: %s\n", strerror(-ret)); >>>>>> + >>>>>> + return EXIT_SUCCESS; >>>>>> } >>>>>> -- >>>>>> 2.20.1 >>>>> >>>>> This looks like a fix to me and is probably worth backporting, it should probably have a fixes line. >>>>> >>>>> Regards, >>>>> >>>>> Bernard. >>>>> >>>> >>>> Not sure if it needs to be backported. It depends on the definition >>>> of a fix. The original definition of stable was fixes only. >>>> Linux has moved on to fixes and backports of missing features >>>> like this; but DPDK has mostly stuck to the original definition >>>> of stable. >>>> >>> >>> I also tend to think this a fix more then a feature, and although it is a minor >>> fix it is good to get it to reduce the change of the conflict on other stuff in >>> LTS. I will add fix/stable tag while merging. >>> >> >> Fixes: af75078fece3 ("first public release") >> Cc: stable@dpdk.org >> >> Acked-by: Bernard Iremonger >> >> Applied to dpdk-next-net/master, thanks. > > Thanks, my concern about adding it to stable is that it might expose > bugs in other places (like drivers). That is good for current release > but not something stable users want to see. > Overall I agree, but the 'rte_eal_cleanup()' is pretty simple as of now, only doing a few simple cleanups not full cleanup, that is why I believe it can be OK to add it.