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 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 93925C433F5 for ; Mon, 11 Apr 2022 10:30:55 +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:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=fo/FVA/O3AphrtQTWDaz6dWX8M7LXsWXrkjt9yP66q4=; b=ngjGM6GJ98T9x5JTyjiVWmy3WN iKhZvaCk8BJIdtY1MDaFLR8+dnJxSnnkIkogQ1C+dmaPv3jXtI9MuIlNP2MqzvRU3CvUpgVL8wov+ C33znQIwa0nU8gz2qTX4tMHl89YmGMbtoUJ+vYDnlICh8kWuuy/KtlDTMwDcmn5SJQAvez4Of7w2j g51NO3SWzhO9l3mb04C7fat6+lDoS/5pNkq9sn5tA7TvGwR9Y6QioIMJLbVkFSiixtqfqTSJX/hD6 O3qry2l72MbNDWjnoJ0kWhFtlYmcTQmSXcHjlKjgsz/+7sqzm0pqo+a3cvy144WhHuk5Oj14yv2jR +qqZLGFw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ndrIi-008LCK-Pd; Mon, 11 Apr 2022 10:29:41 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ndquY-0089p6-31 for linux-arm-kernel@lists.infradead.org; Mon, 11 Apr 2022 10:04:44 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id EE54F169C; Mon, 11 Apr 2022 03:04:38 -0700 (PDT) Received: from [10.1.30.132] (e127744.cambridge.arm.com [10.1.30.132]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6E96D3F793; Mon, 11 Apr 2022 03:04:34 -0700 (PDT) Subject: Re: [PATCH v5 5/5] perf mem: Support mem_lvl_num in c2c command To: Ali Saidi , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, leo.yan@linaro.org, acme@kernel.org Cc: benh@kernel.crashing.org, Nick.Forrington@arm.com, alexander.shishkin@linux.intel.com, andrew.kilroy@arm.com, james.clark@arm.com, john.garry@huawei.com, jolsa@kernel.org, kjain@linux.ibm.com, lihuafei1@huawei.com, mark.rutland@arm.com, mathieu.poirier@linaro.org, mingo@redhat.com, namhyung@kernel.org, peterz@infradead.org, will@kernel.org References: <20220408195344.32764-1-alisaidi@amazon.com> <20220408195344.32764-6-alisaidi@amazon.com> From: German Gomez Message-ID: <3ad0128a-1b3d-37a7-81f6-fd597b565b18@arm.com> Date: Mon, 11 Apr 2022 11:04:28 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20220408195344.32764-6-alisaidi@amazon.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220411_030442_282238_C0DA9749 X-CRM114-Status: GOOD ( 16.43 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 08/04/2022 20:53, Ali Saidi wrote: > In addition to summarizing data encoded in mem_lvl also support data > encoded in mem_lvl_num. > > Since other architectures don't seem to populate the mem_lvl_num field > here there shouldn't be a change in functionality. > > Signed-off-by: Ali Saidi > --- > tools/perf/util/mem-events.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) > > diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c > index ed0ab838bcc5..e5e405185498 100644 > --- a/tools/perf/util/mem-events.c > +++ b/tools/perf/util/mem-events.c > @@ -485,6 +485,7 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi) > u64 daddr = mi->daddr.addr; > u64 op = data_src->mem_op; > u64 lvl = data_src->mem_lvl; > + u64 lnum = data_src->mem_lvl_num; > u64 snoop = data_src->mem_snoop; > u64 lock = data_src->mem_lock; > u64 blk = data_src->mem_blk; > @@ -527,16 +528,18 @@ do { \ > if (lvl & P(LVL, UNC)) stats->ld_uncache++; > if (lvl & P(LVL, IO)) stats->ld_io++; > if (lvl & P(LVL, LFB)) stats->ld_fbhit++; Just for completion, can we also handle LFB as it seems to be being set in "/arch/x86/events/intel/ds.c"? (Sorry I missed this in the v4) > - if (lvl & P(LVL, L1 )) stats->ld_l1hit++; > - if (lvl & P(LVL, L2 )) stats->ld_l2hit++; > - if (lvl & P(LVL, L3 )) { > + if (lvl & P(LVL, L1) || lnum == P(LVLNUM, L1)) > + stats->ld_l1hit++; > + if (lvl & P(LVL, L2) || lnum == P(LVLNUM, L2)) > + stats->ld_l2hit++; > + if (lvl & P(LVL, L3) || lnum == P(LVLNUM, L3)) { > if (snoop & P(SNOOP, HITM)) > HITM_INC(lcl_hitm); > else > stats->ld_llchit++; > } > > - if (lvl & P(LVL, LOC_RAM)) { > + if (lvl & P(LVL, LOC_RAM) || lnum == P(LVLNUM, RAM)) { > stats->lcl_dram++; > if (snoop & P(SNOOP, HIT)) > stats->ld_shared++; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel