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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D81BAC433EF for ; Thu, 11 Nov 2021 06:07:26 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5E48761105 for ; Thu, 11 Nov 2021 06:07:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5E48761105 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 079BC6B00B3; Thu, 11 Nov 2021 01:07:26 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 001F86B00B4; Thu, 11 Nov 2021 01:07:25 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DE4BC6B00B5; Thu, 11 Nov 2021 01:07:25 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0094.hostedemail.com [216.40.44.94]) by kanga.kvack.org (Postfix) with ESMTP id D055B6B00B3 for ; Thu, 11 Nov 2021 01:07:25 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 8C1E382FD4 for ; Thu, 11 Nov 2021 06:07:25 +0000 (UTC) X-FDA: 78795617250.10.F59C129 Received: from out30-45.freemail.mail.aliyun.com (out30-45.freemail.mail.aliyun.com [115.124.30.45]) by imf31.hostedemail.com (Postfix) with ESMTP id 421E9104E726 for ; Thu, 11 Nov 2021 06:07:10 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04395;MF=xhao@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0Uw.HkwB_1636610826; Received: from localhost.localdomain(mailfrom:xhao@linux.alibaba.com fp:SMTPD_---0Uw.HkwB_1636610826) by smtp.aliyun-inc.com(127.0.0.1); Thu, 11 Nov 2021 14:07:08 +0800 From: Xin Hao To: sjpark@amazon.de Cc: xhao@linux.alibaba.com, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 2/4] mm/damon: Add 'age' of region tracepoint support Date: Thu, 11 Nov 2021 14:07:02 +0800 Message-Id: X-Mailer: git-send-email 2.31.0 In-Reply-To: References: MIME-Version: 1.0 X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 421E9104E726 X-Stat-Signature: h7iqqdb9ptwtyfoaafq95uukk7g3c436 Authentication-Results: imf31.hostedemail.com; dkim=none; spf=pass (imf31.hostedemail.com: domain of xhao@linux.alibaba.com designates 115.124.30.45 as permitted sender) smtp.mailfrom=xhao@linux.alibaba.com; dmarc=pass (policy=none) header.from=alibaba.com X-HE-Tag: 1636610830-459344 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.051702, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: In patch "mm/damon: add a tracepoint", it adds a tracepoint for DAMON, it can monitor each region for each aggregation interval, Now the region add a new 'age' variable, some primitive would calculate the priority of each region as a weight, there put it into tracepoint, so we can easily track the change of its value through perf or damon-tools. Signed-off-by: Xin Hao --- include/trace/events/damon.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/include/trace/events/damon.h b/include/trace/events/damon.h index 2f422f4f1fb9..99ffa601e351 100644 --- a/include/trace/events/damon.h +++ b/include/trace/events/damon.h @@ -22,6 +22,7 @@ TRACE_EVENT(damon_aggregated, __field(unsigned long, start) __field(unsigned long, end) __field(unsigned int, nr_accesses) + __field(unsigned int, age) ), TP_fast_assign( @@ -30,11 +31,13 @@ TRACE_EVENT(damon_aggregated, __entry->start =3D r->ar.start; __entry->end =3D r->ar.end; __entry->nr_accesses =3D r->nr_accesses; + __entry->age =3D r->age; ), - TP_printk("target_id=3D%lu nr_regions=3D%u %lu-%lu: %u", + TP_printk("target_id=3D%lu nr_regions=3D%u %lu-%lu: %u %u", __entry->target_id, __entry->nr_regions, - __entry->start, __entry->end, __entry->nr_accesses) + __entry->start, __entry->end, + __entry->nr_accesses, __entry->age) ); #endif /* _TRACE_DAMON_H */ -- 2.31.0