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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 3D1D4C10F11 for ; Sat, 13 Apr 2019 06:01:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1006B218D9 for ; Sat, 13 Apr 2019 06:01:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726973AbfDMGB2 (ORCPT ); Sat, 13 Apr 2019 02:01:28 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:33140 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726645AbfDMGB2 (ORCPT ); Sat, 13 Apr 2019 02:01:28 -0400 Received: from DGGEML401-HUB.china.huawei.com (unknown [172.30.72.55]) by Forcepoint Email with ESMTP id CD56470A9A3AE7D5149B; Sat, 13 Apr 2019 14:01:24 +0800 (CST) Received: from DGGEML502-MBX.china.huawei.com ([169.254.2.153]) by DGGEML401-HUB.china.huawei.com ([fe80::89ed:853e:30a9:2a79%31]) with mapi id 14.03.0415.000; Sat, 13 Apr 2019 14:01:24 +0800 From: Linhaifeng To: William Cohen , "linux-perf-users@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: perf tools:Is there any tools to found out the max latency by irq or cpu idle Thread-Topic: perf tools:Is there any tools to found out the max latency by irq or cpu idle Thread-Index: AQHU8TjwQPH5fZKzxkKUF8YFzmG5zqY5l6vw Date: Sat, 13 Apr 2019 06:01:23 +0000 Message-ID: <4099DE2E54AFAD489356C6C9161D53339591DE6D@DGGEML502-MBX.china.huawei.com> References: <4099DE2E54AFAD489356C6C9161D53339591D64A@DGGEML502-MBX.china.huawei.com> <8ce8c596-123e-1342-5ccc-06a5fd8a60ec@redhat.com> In-Reply-To: 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