Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751396AbdISSXB (ORCPT ); Tue, 19 Sep 2017 14:23:01 -0400 Received: from out03.mta.xmission.com ([166.70.13.233]:59816 "EHLO out03.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751227AbdISSW7 (ORCPT ); Tue, 19 Sep 2017 14:22:59 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: Vince Weaver Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo References: Date: Tue, 19 Sep 2017 13:22:13 -0500 In-Reply-To: (Vince Weaver's message of "Tue, 19 Sep 2017 07:40:29 -0400 (EDT)") Message-ID: <87377i7dm2.fsf@xmission.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-SPF: eid=1duNAF-0003pl-Ij;;;mid=<87377i7dm2.fsf@xmission.com>;;;hst=in01.mta.xmission.com;;;ip=67.3.200.44;;;frm=ebiederm@xmission.com;;;spf=neutral X-XM-AID: U2FsdGVkX181A097PM+MMnjYfRfKWj9cmhewRWbXINY= X-SA-Exim-Connect-IP: 67.3.200.44 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.0 TVD_RCVD_IP Message was received from an IP address * 0.0 T_TM2_M_HEADER_IN_MSG BODY: No description available. * 0.8 BAYES_50 BODY: Bayes spam probability is 40 to 60% * [score: 0.4996] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa06 1397; Body=1 Fuz1=1 Fuz2=1] X-Spam-DCC: XMission; sa06 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;Vince Weaver X-Spam-Relay-Country: X-Spam-Timing: total 5305 ms - load_scoreonly_sql: 0.04 (0.0%), signal_user_changed: 3.0 (0.1%), b_tie_ro: 2.0 (0.0%), parse: 1.16 (0.0%), extract_message_metadata: 14 (0.3%), get_uri_detail_list: 0.91 (0.0%), tests_pri_-1000: 3.1 (0.1%), tests_pri_-950: 1.23 (0.0%), tests_pri_-900: 1.03 (0.0%), tests_pri_-400: 16 (0.3%), check_bayes: 15 (0.3%), b_tokenize: 4.2 (0.1%), b_tok_get_all: 4.2 (0.1%), b_comp_prob: 2.5 (0.0%), b_tok_touch_all: 2.0 (0.0%), b_finish: 0.64 (0.0%), tests_pri_0: 289 (5.4%), check_dkim_signature: 0.83 (0.0%), check_dkim_adsp: 172 (3.2%), tests_pri_500: 4973 (93.8%), poll_dns_idle: 4966 (93.6%), rewrite_mail: 0.00 (0.0%) Subject: Re: perf: weird si_code results on overflow signal X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Thu, 05 May 2016 13:38:54 -0600) X-SA-Exim-Scanned: Yes (on in01.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 674 Lines: 21 Vince Weaver writes: > On Wed, 13 Sep 2017, Vince Weaver wrote: > >> I just compiled up a fresh git kernel and all of the perf_event_test >> overflow tests are failing. >> >> The reason is that instead of getting POLL_IN or POLL_HUP sources as >> expected, they are getting weird results in si_code of "-5". >> >> I haven't had time to bisect this, but I do notice that some major changes >> to si_code handling went in with >> 64a76d0d64bea159da997c002a916ffc03f98bfc > > resending in case everyone was away at plumbers... Apologies it looks like I missed this one the first time through. I will push ou tthe fix in just a minute. Eric