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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38B78C433FE for ; Wed, 27 Apr 2022 15:51:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240649AbiD0PyU (ORCPT ); Wed, 27 Apr 2022 11:54:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240447AbiD0PyG (ORCPT ); Wed, 27 Apr 2022 11:54:06 -0400 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC3DA55200 for ; Wed, 27 Apr 2022 08:50:53 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id b12so1910534plg.4 for ; Wed, 27 Apr 2022 08:50:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=n9mbHgP4oIrBWKuBGSVuQJ/xfzioNAnEfGDPfU6omQE=; b=xh5Sq2ByBdI49RmxJdtiP3Dj/LfrXSKDe1Mx1s+TvGy3fdHmeCb+HVLVL4DYOhWqc4 lQz9kni44Kfonad1tD4ZZVydqTOnhq9NijS4hD1ZGcC51OKntcIkpOsQej/5zN1LvGno i+AFqLyM1bjfCLWiHpHDqEJvUTYEFA3sudeKCFzP6BtuyEXlok8cuC0bEAinhWja4SI8 PkqPuDfyK8IGfaWwI0l4cbENS7sBdDu/ioj5lBn/BIirfpO4UJUCR3S1rIeaEFiQtR6q eaTLxy203vweB5gtzR+kZlyPDmpw/Qvf3Q6rrgwjWhO0vXH1bgFGUKCZaMTsPaXE+sz4 Iz9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=n9mbHgP4oIrBWKuBGSVuQJ/xfzioNAnEfGDPfU6omQE=; b=04ViOzNJAzXaizA59MZIYfNyoH7grGYBcOyOFGTlKC1oBT1LFbNCRXw+LDIIpqeaq8 WZdetDRuOAamtcRmIs/mMge+dhE+ugozFyM4nMhs7r5Qgp7yjH6yikso4W60Hwk7orbR HeN6yjO8jF12sBcpHTXBWoYeYaZjriHHGdnDJJwespzfnr1sR1k9IBeyinWiNb30VlCi ZAa8WUrWfHZJgzDYtzP8MzljqjnHeXHnlCMQOcy6mVjLmsGpCLAziMgXRDGeTm2zhSVy dmMOL08uKpvzS5GZP6OMlXQ2z9DbEwV4dt4WjNjKlZFsd3SJoP37hcgrXHNHXhZNgNy2 TdGg== X-Gm-Message-State: AOAM532SDwIWCLOEMlBj59whZFGNkuIfgcpa5Mvab4mxgo/GHAnOwyUG G67jbzKv2aQlL9rvYVhUF3BP4A== X-Google-Smtp-Source: ABdhPJxdZHLEK54DZhgcXwH5DrvFcLQ50XRUP/0XQ/Ogc+I/NhNqHONX0nS0LgGknwdiedirSifvkw== X-Received: by 2002:a17:90b:4ac4:b0:1da:26e3:b3a2 with SMTP id mh4-20020a17090b4ac400b001da26e3b3a2mr6224072pjb.49.1651074653010; Wed, 27 Apr 2022 08:50:53 -0700 (PDT) Received: from localhost.localdomain ([134.195.101.46]) by smtp.gmail.com with ESMTPSA id v65-20020a626144000000b0050a839e490bsm19164127pfb.185.2022.04.27.08.50.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Apr 2022 08:50:52 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Alyssa Ross , Like Xu , Kajol Jain , Li Huafei , Ali Saidi , German Gomez , James Clark , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Leo Yan Subject: [PATCH v1 04/11] perf mem: Add statistics for peer snooping Date: Wed, 27 Apr 2022 23:50:06 +0800 Message-Id: <20220427155013.1833222-5-leo.yan@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220427155013.1833222-1-leo.yan@linaro.org> References: <20220427155013.1833222-1-leo.yan@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since we have added the flag PERF_MEM_SNOOPX_PEER to support cache snooping from peer core or cluster, this patch is to add statistics for this new flag. Signed-off-by: Leo Yan Tested-by: Ali Saidi --- tools/perf/util/mem-events.c | 11 ++++++++++- tools/perf/util/mem-events.h | 1 + 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index bfbac365e1e4..2086f067359b 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -525,6 +525,7 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi) u64 op = data_src->mem_op; u64 lvl = data_src->mem_lvl; u64 snoop = data_src->mem_snoop; + u64 snoopx = data_src->mem_snoopx; u64 lock = data_src->mem_lock; u64 blk = data_src->mem_blk; u64 lvl_num = data_src->mem_lvl_num; @@ -568,10 +569,17 @@ do { \ if (lvl & P(LVL, IO)) stats->ld_io++; if (lvl & P(LVL, LFB)) stats->ld_fbhit++; if (lvl & P(LVL, L1 )) stats->ld_l1hit++; - if (lvl & P(LVL, L2 )) stats->ld_l2hit++; + if (lvl & P(LVL, L2)) { + if (snoopx & P(SNOOPX, PEER)) + stats->ld_peer++; + else + stats->ld_l2hit++; + } if (lvl & P(LVL, L3 )) { if (snoop & P(SNOOP, HITM)) HITM_INC(lcl_hitm); + else if (snoopx & P(SNOOPX, PEER)) + stats->ld_peer++; else stats->ld_llchit++; } @@ -662,6 +670,7 @@ void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add) stats->ld_l1hit += add->ld_l1hit; stats->ld_l2hit += add->ld_l2hit; stats->ld_llchit += add->ld_llchit; + stats->ld_peer += add->ld_peer; stats->lcl_hitm += add->lcl_hitm; stats->rmt_hitm += add->rmt_hitm; stats->tot_hitm += add->tot_hitm; diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h index e0e8057c52e8..7b6c74e74354 100644 --- a/tools/perf/util/mem-events.h +++ b/tools/perf/util/mem-events.h @@ -75,6 +75,7 @@ struct c2c_stats { u32 ld_l1hit; /* count of loads that hit L1D */ u32 ld_l2hit; /* count of loads that hit L2D */ u32 ld_llchit; /* count of loads that hit LLC */ + u32 ld_peer; /* count of loads that hit peer core or cluster cache */ u32 lcl_hitm; /* count of loads with local HITM */ u32 rmt_hitm; /* count of loads with remote HITM */ u32 tot_hitm; /* count of loads with local and remote HITM */ -- 2.25.1