From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD282C433E6 for ; Mon, 31 Aug 2020 18:08:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D8B12083E for ; Mon, 31 Aug 2020 18:08:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598897328; bh=AoFABMNuUMuKavziJ+CJ7gaWS+Jxe+OMPXmajLA1ulY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HU4YKlGcpisWIrX9pZFRuU4K/usZcd7F45Yy9ypJSJvpwNcdyM0ZMsEZrEXqToQZ3 Fss23C0tGQygM9hBDBV1qGcbC2hpicTj1hRwUow8W5pznfxTgrC6dA0pRnHJoQUqDZ 7om9mAPWycUfcvJifqidhl/aNwry4cuLsO1qVmPQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729487AbgHaSI0 (ORCPT ); Mon, 31 Aug 2020 14:08:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:55902 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729276AbgHaSH4 (ORCPT ); Mon, 31 Aug 2020 14:07:56 -0400 Received: from paulmck-ThinkPad-P72.home (unknown [50.45.173.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 311DE2158C; Mon, 31 Aug 2020 18:07:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598897274; bh=AoFABMNuUMuKavziJ+CJ7gaWS+Jxe+OMPXmajLA1ulY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WXZrD7ndmQd7jEa4Ce6Z2C8dgcrrsnJZ/8Ajjbep7/Y5JVhqiVyorp+uowTqTc2Ni QJlZyWGXqeh6mNk2rvB75UhdP35qtaTJQBpgmNz73q1hc4k9kunGutctxr48p+mq2r 3r7TdB5WRMJ2y4NafeNFLVuCunFQ8G8gON3Zz/2k= From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 12/19] scftorture: Flag errors in torture-compatible manner Date: Mon, 31 Aug 2020 11:07:42 -0700 Message-Id: <20200831180749.843-12-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20200831180731.GA582@paulmck-ThinkPad-P72> References: <20200831180731.GA582@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Paul E. McKenney" This commit prints error counts on the statistics line and also adds a "!!!" if any of the counters are non-zero. Allocation failures are (somewhat) forgiven, but all other errors result in a "FAILURE" print at the end of the test. Signed-off-by: Paul E. McKenney --- kernel/scftorture.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/kernel/scftorture.c b/kernel/scftorture.c index 8ab72e5..880c2ce 100644 --- a/kernel/scftorture.c +++ b/kernel/scftorture.c @@ -132,6 +132,7 @@ static atomic_t n_mb_in_errs; static atomic_t n_mb_out_errs; static atomic_t n_alloc_errs; static bool scfdone; +static char *bangstr = ""; DEFINE_TORTURE_RANDOM_PERCPU(scf_torture_rand); @@ -156,12 +157,17 @@ static void scf_torture_stats_print(void) scfs.n_all += scf_stats_p[i].n_all; scfs.n_all_wait += scf_stats_p[i].n_all_wait; } - pr_alert("%s scf_invoked_count %s: %lld single: %lld/%lld single_ofl: %lld/%lld many: %lld/%lld all: %lld/%lld ", - SCFTORT_FLAG, isdone ? "VER" : "ver", invoked_count, + if (atomic_read(&n_errs) || atomic_read(&n_mb_in_errs) || + atomic_read(&n_mb_out_errs) || atomic_read(&n_alloc_errs)) + bangstr = "!!! "; + pr_alert("%s %sscf_invoked_count %s: %lld single: %lld/%lld single_ofl: %lld/%lld many: %lld/%lld all: %lld/%lld ", + SCFTORT_FLAG, bangstr, isdone ? "VER" : "ver", invoked_count, scfs.n_single, scfs.n_single_wait, scfs.n_single_ofl, scfs.n_single_wait_ofl, scfs.n_many, scfs.n_many_wait, scfs.n_all, scfs.n_all_wait); torture_onoff_stats(); - pr_cont("\n"); + pr_cont("ste: %d stnmie: %d stnmoe: %d staf: %d\n", atomic_read(&n_errs), + atomic_read(&n_mb_in_errs), atomic_read(&n_mb_out_errs), + atomic_read(&n_alloc_errs)); } // Periodically prints torture statistics, if periodic statistics printing @@ -431,7 +437,7 @@ static void scf_torture_cleanup(void) kfree(scf_stats_p); // -After- the last stats print has completed! scf_stats_p = NULL; - if (atomic_read(&n_errs)) + if (atomic_read(&n_errs) || atomic_read(&n_mb_in_errs) || atomic_read(&n_mb_out_errs)) scftorture_print_module_parms("End of test: FAILURE"); else if (torture_onoff_failures()) scftorture_print_module_parms("End of test: LOCK_HOTPLUG"); -- 2.9.5