From patchwork Tue Mar 7 16:54:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 13164273 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 48A11C678D5 for ; Tue, 7 Mar 2023 17:31:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=c6Up90PgEy8H04WtT01+s2v7tXGBhq1vK5G4NDq2098=; b=zIJRWEoEpTNJ35 vbTGAhZ4ODiAMbNwNmx6PvfVSLrHKhoVTP08f2CXhyourmCkzSm2Crw+CnAZAlOqCdRwHVhvruJ9H BOPe/6WpSf6as3mhXS3tn27Amkf+fnI3DmoA4Wj7Lg4RN4Z1XtEtQAdyhvjCkexoMPfrqaJFyw5yA Yp22tyFI4B7jDsxwZ1bVZWFIq9aNRPt2vG4tdcYbQeafa7RThWqecUfWxLovttGJ/McCZUbQUslBK 0+m1/H9jMkcxYTMuh5e9EdVzMLoVcazIbmYlMBgttplnTwO+ZfnOc6yhNFwHKNhXXysIxL5hBBfVP Z3KBn4AhnVKAROTpqi5A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pZb8q-001neg-3H; Tue, 07 Mar 2023 17:30:24 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pZb8k-001ncq-Jl for linux-arm-kernel@lists.infradead.org; Tue, 07 Mar 2023 17:30:20 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4059D61515; Tue, 7 Mar 2023 17:30:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 22B47C4339B; Tue, 7 Mar 2023 17:30:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678210217; bh=+gG78ObpD8v6Uhmrv4zUkPa2t7eYN91BNznaEBr2Ekw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=v9gc1zS0A3cu5+H2eEeiyJvT2jnOKsu4ilUjCJ3ro998cBeWmxnByPttIH/ae5uGt YqTn68cPuVJY/rtFSnFezn8JUvXAbP2avakyqQItlt5rW4dGrqcS0nx9H0AhOe8SA1 aZGw+CYYWTHI+dOf84lcjcaPqmyWnxsWnEq+pRLg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, James Clark , Yicong Yang , Alexander Shishkin , Ingo Molnar , Jin Yao , Jiri Olsa , Mark Rutland , Namhyung Kim , Peter Zijlstra , linux-arm-kernel@lists.infradead.org, linuxarm@huawei.com, prime.zeng@hisilicon.com, Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH 6.2 0471/1001] perf tools: Fix auto-complete on aarch64 Date: Tue, 7 Mar 2023 17:54:03 +0100 Message-Id: <20230307170041.842921487@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170022.094103862@linuxfoundation.org> References: <20230307170022.094103862@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230307_093018_749997_8AB65EF6 X-CRM114-Status: GOOD ( 15.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Yicong Yang [ Upstream commit ffd1240e8f0814262ceb957dbe961f6e0aef1e7a ] On aarch64 CPU related events are not under event_source/devices/cpu/events, they're under event_source/devices/armv8_pmuv3_0/events on my machine. Using current auto-complete script will generate below error: [root@localhost bin]# perf stat -e ls: cannot access '/sys/bus/event_source/devices/cpu/events': No such file or directory Fix this by not testing /sys/bus/event_source/devices/cpu/events on aarch64 machine. Fixes: 74cd5815d9af6e6c ("perf tool: Improve bash command line auto-complete for multiple events with comma") Reviewed-by: James Clark Signed-off-by: Yicong Yang Cc: Alexander Shishkin Cc: Ingo Molnar Cc: Jin Yao Cc: Jiri Olsa Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Cc: linux-arm-kernel@lists.infradead.org Cc: linuxarm@huawei.com Cc: prime.zeng@hisilicon.com Link: https://lore.kernel.org/r/20230207035057.43394-1-yangyicong@huawei.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/perf-completion.sh | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh index fdf75d45efff7..978249d7868c2 100644 --- a/tools/perf/perf-completion.sh +++ b/tools/perf/perf-completion.sh @@ -165,7 +165,12 @@ __perf_main () local cur1=${COMP_WORDS[COMP_CWORD]} local raw_evts=$($cmd list --raw-dump) - local arr s tmp result + local arr s tmp result cpu_evts + + # aarch64 doesn't have /sys/bus/event_source/devices/cpu/events + if [[ `uname -m` != aarch64 ]]; then + cpu_evts=$(ls /sys/bus/event_source/devices/cpu/events) + fi if [[ "$cur1" == */* && ${cur1#*/} =~ ^[A-Z] ]]; then OLD_IFS="$IFS" @@ -183,9 +188,9 @@ __perf_main () fi done - evts=${result}" "$(ls /sys/bus/event_source/devices/cpu/events) + evts=${result}" "${cpu_evts} else - evts=${raw_evts}" "$(ls /sys/bus/event_source/devices/cpu/events) + evts=${raw_evts}" "${cpu_evts} fi if [[ "$cur1" == , ]]; then