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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 B969BC433E0 for ; Tue, 19 Jan 2021 20:49:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 79409206EC for ; Tue, 19 Jan 2021 20:49:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726306AbhASUsy (ORCPT ); Tue, 19 Jan 2021 15:48:54 -0500 Received: from mga07.intel.com ([134.134.136.100]:26408 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392036AbhASUrO (ORCPT ); Tue, 19 Jan 2021 15:47:14 -0500 IronPort-SDR: DAh+HmUrDQ3qHdih+/ozb4vXiHdyZKDH2CQy0mKgE/EXAB1LRwtN/kDZ1WrN3gEXrEPXcHvymP vgquQhRt3yPQ== X-IronPort-AV: E=McAfee;i="6000,8403,9869"; a="243064938" X-IronPort-AV: E=Sophos;i="5.79,359,1602572400"; d="scan'208";a="243064938" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jan 2021 12:42:08 -0800 IronPort-SDR: 6+VHGy7qzd2HnJ2EljN7ZebjLJyo84ZeCoI1wcFbwtvwzL9C2FaUiy25cTPwAxxt1IJeEdsD+y NygsUZmuTIaQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,359,1602572400"; d="scan'208";a="365990805" Received: from otc-lr-04.jf.intel.com ([10.54.39.41]) by orsmga002.jf.intel.com with ESMTP; 19 Jan 2021 12:42:08 -0800 From: kan.liang@linux.intel.com To: peterz@infradead.org, acme@kernel.org, mingo@kernel.org, linux-kernel@vger.kernel.org Cc: eranian@google.com, namhyung@kernel.org, jolsa@redhat.com, ak@linux.intel.com, yao.jin@linux.intel.com, Kan Liang Subject: [PATCH 07/12] perf c2c: Support data block and addr block Date: Tue, 19 Jan 2021 12:38:26 -0800 Message-Id: <1611088711-17177-8-git-send-email-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1611088711-17177-1-git-send-email-kan.liang@linux.intel.com> References: <1611088711-17177-1-git-send-email-kan.liang@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kan Liang perf c2c is also a memory profiling tool. Apply the two new data source fields to perf c2c as well. Extend perf c2c to display the number of loads which blocked by data or address conflict. Signed-off-by: Kan Liang --- tools/perf/builtin-c2c.c | 3 +++ tools/perf/util/mem-events.c | 6 ++++++ tools/perf/util/mem-events.h | 2 ++ 3 files changed, 11 insertions(+) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index c5babea..4de49ae 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -2111,6 +2111,8 @@ static void print_c2c__display_stats(FILE *out) fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl); fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared); fprintf(out, " Load LLC Misses : %10d\n", llc_misses); + fprintf(out, " Load access blocked by data : %10d\n", stats->blk_data); + fprintf(out, " Load access blocked by address : %10d\n", stats->blk_addr); fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.); fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.); fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.); @@ -2139,6 +2141,7 @@ static void print_shared_cacheline_info(FILE *out) fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit); fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm); fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks); + fprintf(out, " Blocked Access on shared lines : %10d\n", stats->blk_data + stats->blk_addr); fprintf(out, " Store HITs on shared lines : %10d\n", stats->store); fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit); fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store); diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 890f638..f93a852 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -385,6 +385,7 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi) u64 lvl = data_src->mem_lvl; u64 snoop = data_src->mem_snoop; u64 lock = data_src->mem_lock; + u64 blk = data_src->mem_blk; /* * Skylake might report unknown remote level via this * bit, consider it when evaluating remote HITMs. @@ -404,6 +405,9 @@ do { \ if (lock & P(LOCK, LOCKED)) stats->locks++; + if (blk & P(BLK, DATA)) stats->blk_data++; + if (blk & P(BLK, ADDR)) stats->blk_addr++; + if (op & P(OP, LOAD)) { /* load */ stats->load++; @@ -515,6 +519,8 @@ void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add) stats->rmt_hit += add->rmt_hit; stats->lcl_dram += add->lcl_dram; stats->rmt_dram += add->rmt_dram; + stats->blk_data += add->blk_data; + stats->blk_addr += add->blk_addr; stats->nomap += add->nomap; stats->noparse += add->noparse; } diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h index 5ddf447..755cef7 100644 --- a/tools/perf/util/mem-events.h +++ b/tools/perf/util/mem-events.h @@ -79,6 +79,8 @@ struct c2c_stats { u32 rmt_hit; /* count of loads with remote hit clean; */ u32 lcl_dram; /* count of loads miss to local DRAM */ u32 rmt_dram; /* count of loads miss to remote DRAM */ + u32 blk_data; /* count of loads blocked by data */ + u32 blk_addr; /* count of loads blocked by address conflict */ u32 nomap; /* count of load/stores with no phys adrs */ u32 noparse; /* count of unparsable data sources */ }; -- 2.7.4