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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 0056BC43603 for ; Wed, 18 Dec 2019 07:47:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BE62B2082E for ; Wed, 18 Dec 2019 07:47:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="b+Vk/lkF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726652AbfLRHrV (ORCPT ); Wed, 18 Dec 2019 02:47:21 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:55753 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725882AbfLRHrV (ORCPT ); Wed, 18 Dec 2019 02:47:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576655239; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=A/EVIVhLsM644wxvKDnAAovHD5Ty6dbVPaLFVmZnGNI=; b=b+Vk/lkF6wfMEsv7jykNr8EgqWgb2EqKDSbgeBWiRvHG5Z463qgKFFI3fvBmYQMFujaVBa mVQDHDAXA/fb7x+AId7djf2LyunJF4wy4k3zKJbGhH8QQIiEEri2FLvwfgucSFfcDkROm8 tUsVsu7oWF2sg3e+4gtwswXefCBpLig= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-368-iDO63b2MPP2BBcWRRT0vug-1; Wed, 18 Dec 2019 02:47:15 -0500 X-MC-Unique: iDO63b2MPP2BBcWRRT0vug-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 39415800D48; Wed, 18 Dec 2019 07:47:14 +0000 (UTC) Received: from krava (ovpn-204-177.brq.redhat.com [10.40.204.177]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BDCA868882; Wed, 18 Dec 2019 07:47:11 +0000 (UTC) Date: Wed, 18 Dec 2019 08:47:08 +0100 From: Jiri Olsa To: Jin Yao Cc: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com, Linux-kernel@vger.kernel.org, ak@linux.intel.com, kan.liang@intel.com, yao.jin@intel.com Subject: Re: [PATCH v4 3/3] perf report: support hotkey to let user select any event for sorting Message-ID: <20191218074708.GC19062@krava> References: <20191218022443.18958-1-yao.jin@linux.intel.com> <20191218022443.18958-3-yao.jin@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191218022443.18958-3-yao.jin@linux.intel.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 18, 2019 at 10:24:43AM +0800, Jin Yao wrote: > When performing "perf report --group", it shows the event group information > together. In previous patch, we have supported a new option "--group-sort-idx" > to sort the output by the event at the index n in event group. > > It would be nice if we can use a hotkey in browser to select a event > to sort. > > For example, > > # perf report --group > > Samples: 12K of events 'cpu/instructions,period=2000003/, cpu/cpu-cycles,period=200003/, ... > Overhead Command Shared Object Symbol > 92.19% 98.68% 0.00% 93.30% mgen mgen [.] LOOP1 > 3.12% 0.29% 0.00% 0.16% gsd-color libglib-2.0.so.0.5600.4 [.] 0x0000000000049515 > 1.56% 0.03% 0.00% 0.04% gsd-color libglib-2.0.so.0.5600.4 [.] 0x00000000000494b7 > 1.56% 0.01% 0.00% 0.00% gsd-color libglib-2.0.so.0.5600.4 [.] 0x00000000000494ce > 1.56% 0.00% 0.00% 0.00% mgen [kernel.kallsyms] [k] task_tick_fair > 0.00% 0.15% 0.00% 0.04% perf [kernel.kallsyms] [k] smp_call_function_single > 0.00% 0.13% 0.00% 6.08% swapper [kernel.kallsyms] [k] intel_idle > 0.00% 0.03% 0.00% 0.00% gsd-color libglib-2.0.so.0.5600.4 [.] g_main_context_check > 0.00% 0.03% 0.00% 0.00% swapper [kernel.kallsyms] [k] apic_timer_interrupt > 0.00% 0.03% 0.00% 0.00% swapper [kernel.kallsyms] [k] check_preempt_curr > > When user press hotkey '3' (event index, starting from 0), it indicates > to sort output by the forth event in group. > > Samples: 12K of events 'cpu/instructions,period=2000003/, cpu/cpu-cycles,period=200003/, ... > Overhead Command Shared Object Symbol > 92.19% 98.68% 0.00% 93.30% mgen mgen [.] LOOP1 > 0.00% 0.13% 0.00% 6.08% swapper [kernel.kallsyms] [k] intel_idle > 3.12% 0.29% 0.00% 0.16% gsd-color libglib-2.0.so.0.5600.4 [.] 0x0000000000049515 > 0.00% 0.00% 0.00% 0.06% swapper [kernel.kallsyms] [k] hrtimer_start_range_ns > 1.56% 0.03% 0.00% 0.04% gsd-color libglib-2.0.so.0.5600.4 [.] 0x00000000000494b7 > 0.00% 0.15% 0.00% 0.04% perf [kernel.kallsyms] [k] smp_call_function_single > 0.00% 0.00% 0.00% 0.02% mgen [kernel.kallsyms] [k] update_curr > 0.00% 0.00% 0.00% 0.02% mgen [kernel.kallsyms] [k] apic_timer_interrupt > 0.00% 0.00% 0.00% 0.02% mgen [kernel.kallsyms] [k] native_apic_msr_eoi_write > 0.00% 0.00% 0.00% 0.02% mgen [kernel.kallsyms] [k] __update_load_avg_se when I press 0...9 I'm getting extra columns: Samples: 134 of events 'anon group { cycles:u, instructions:u, cache-misses:u, cycles:u, instructions:u }', Event count (approx.): 7107344 Overhead Command Shared Object Symbol Self 17.95% 41.20% 0.00% 12.44% 41.30% ls libc-2.29.so [.] __strcoll_l 17.95% 41.20% 0.00% 12.44% 41.30% N/A 0.00% 13.22% 0.00% 0.00% 0.00% ls ls [.] 0x000000000000871c 0.00% 13.22% 0.00% 0.00% 0.00% N/A 8.32% 11.49% 0.00% 2.62% 9.34% ls ld-2.29.so [.] do_lookup_x 8.32% 11.49% 0.00% 2.62% 9.34% N/A 0.00% 8.29% 31.18% 13.34% 3.05% ls ld-2.29.so [.] _dl_lookup_symbol_x 0.00% 8.29% 31.18% 13.34% 3.05% N/A 0.00% 6.47% 0.00% 0.00% 0.00% ls libc-2.29.so [.] __strlen_avx2 0.00% 6.47% 0.00% 0.00% 0.00% N/A 0.00% 5.97% 0.00% 0.00% 0.00% ls ls [.] 0x0000000000014001 0.00% 5.97% 0.00% 0.00% 0.00% N/A 5.77% 5.83% 7.79% 4.78% 5.04% ls ld-2.29.so [.] strcmp 5.77% 5.83% 7.79% 4.78% 5.04% N/A 2.31% 4.35% 8.30% 0.00% 0.00% ls ld-2.29.so [.] _dl_map_object_from_fd 2.31% 4.35% 8.30% 0.00% 0.00% N/A 0.00% 2.96% 0.00% 1.30% 2.22% ls ld-2.29.so [.] __GI___tunables_init 0.00% 2.96% 0.00% 1.30% 2.22% N/A 0.66% 0.22% 0.68% 0.00% 0.21% ls ld-2.29.so [.] _dl_start 0.66% 0.22% 0.68% 0.00% 0.21% N/A 2.42% 0.00% 0.02% 3.16% 0.00% ls [unknown] [k] 0xffffffffa2a012b0 2.42% 0.00% 0.02% 3.16% 0.00% N/A 0.16% 0.00% 0.01% 0.20% 0.00% ls ld-2.29.so [.] _start 0.16% 0.00% 0.01% 0.20% 0.00% N/A 0.00% 0.00% 11.47% 0.00% 0.00% ls libcap.so.2.26 [.] 0x0000000000002420 0.00% 0.00% 11.47% 0.00% 0.00% N/A 0.00% 0.00% 10.50% 0.00% 0.00% ls libc-2.29.so [.] __GI___tcgetattr 0.00% 0.00% 10.50% 0.00% 0.00% N/A 0.00% 0.00% 9.14% 0.00% 0.00% ls ls [.] 0x000000000000767a 0.00% 0.00% 9.14% 0.00% 0.00% N/A 13.60% 0.00% 7.14% 2.31% 0.00% ls ld-2.29.so [.] _dl_relocate_object 13.60% 0.00% 7.14% 2.31% 0.00% N/A 2.13% 0.00% 6.14% 0.00% 0.00% ls ld-2.29.so [.] _dl_map_object_deps 2.13% 0.00% 6.14% 0.00% 0.00% N/A 0.00% 0.00% 5.27% 0.00% 0.00% ls ld-2.29.so [.] strlen 0.00% 0.00% 5.27% 0.00% 0.00% N/A 1.31% 0.00% 2.37% 1.08% 0.00% ls ld-2.29.so [.] _dl_sysdep_start 1.31% 0.00% 2.37% 1.08% 0.00% N/A jirka