Received: by 2002:a25:5b86:0:0:0:0:0 with SMTP id p128csp1930857ybb; Fri, 29 Mar 2019 14:28:03 -0700 (PDT) X-Google-Smtp-Source: APXvYqzY4Xw+HDxBGGFxmyMzNTgHeXubsy51rTD2/+f1bWPj784fDVp7NVr5qjM9PCL+2jv8qKOI X-Received: by 2002:a17:902:f084:: with SMTP id go4mr51670810plb.15.1553894883368; Fri, 29 Mar 2019 14:28:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553894883; cv=none; d=google.com; s=arc-20160816; b=DoexHvSkJqvuyQgvocdWKOZsyaAx9/uRgL3lk04tcdIFwDtol84KfzFCJJ6CQHSWfH vrNgF3l2XN4s8caT3xlgmgZw7pgvfjskbA+Y1+mrqwqALZMOVU5hbW9r9DD8sE9MT9I/ tB6gTLqulgNhbXJPAThCI60R6sagb/UdAXBloYIyWZque6bFfNOUolL1VozNvrJHtBvB UEUkF++W66XQStR5MSVgyRpUSNaru+JLYPDTU913YwT9610Whqlu/MiTXwZwf1o+6IIv yogdRNbcNtKwwirCGn9Q/PI6yt73Kl+51ozvYrE5R58WIpqjT5dCzB6G1PglQjyScwD3 CNew== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:user-agent:in-reply-to :content-disposition:mime-version:references:reply-to:subject:cc:to :from:date; bh=qkD9wxlTwB1I9QIk3bC5p+VBuMTdjFUXW/b3VBl/yyI=; b=ObF58ojNZdZMlaVwGKVHWRJloD2rXAjJ5g7KTVWKIe0fTQvZ6P0uzt2dGFCHECbQNy kOKM4LbCWRKROdnSLXOVc+td4+obNFRMIqq/GxMF1gfIIUFLZriS6Ffc/y1+9+dpBbvA Hfnte4inNPhSnd1vFPm7De3WhW+XvPnXIZsGBD1TQfAAqIyv1JB0atYpZN1hgxSK4ylf eTilERJ41X6UFmvXX3qOaI/TSVho3n5BrSwxUBXdznpMYCoFyCbHIQOPLVNDvLseE3lx MHhKdaO+abNZWGSDU9MHJST8Po7fMGe6/riLtcZP+oIVeZq8cTDHIk4J6OzAfTZQOGYQ JhHA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v25si2747060pgo.317.2019.03.29.14.27.47; Fri, 29 Mar 2019 14:28:03 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730310AbfC2V1I (ORCPT + 99 others); Fri, 29 Mar 2019 17:27:08 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:51532 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730137AbfC2V1H (ORCPT ); Fri, 29 Mar 2019 17:27:07 -0400 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x2TLOLlX028637 for ; Fri, 29 Mar 2019 17:27:06 -0400 Received: from e13.ny.us.ibm.com (e13.ny.us.ibm.com [129.33.205.203]) by mx0a-001b2d01.pphosted.com with ESMTP id 2rht8q2gk9-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 29 Mar 2019 17:27:06 -0400 Received: from localhost by e13.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 29 Mar 2019 21:27:05 -0000 Received: from b01cxnp23033.gho.pok.ibm.com (9.57.198.28) by e13.ny.us.ibm.com (146.89.104.200) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 29 Mar 2019 21:27:01 -0000 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x2TLR0h724248334 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 29 Mar 2019 21:27:00 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9DF07B2066; Fri, 29 Mar 2019 21:27:00 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 80659B2064; Fri, 29 Mar 2019 21:27:00 +0000 (GMT) Received: from paulmck-ThinkPad-W541 (unknown [9.70.82.188]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Fri, 29 Mar 2019 21:27:00 +0000 (GMT) Received: by paulmck-ThinkPad-W541 (Postfix, from userid 1000) id DC5C416C170A; Fri, 29 Mar 2019 14:27:02 -0700 (PDT) Date: Fri, 29 Mar 2019 14:27:02 -0700 From: "Paul E. McKenney" To: Mukesh Ojha Cc: Neeraj Upadhyay , josh@joshtriplett.org, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, joel@joelfernandes.org, rcu@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] rcu: tree_plugin: Dump specified number of blocked tasks Reply-To: paulmck@linux.ibm.com References: <1553853352-14253-1-git-send-email-neeraju@codeaurora.org> <35a95581-138d-b047-b809-aff803287a23@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <35a95581-138d-b047-b809-aff803287a23@codeaurora.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 x-cbid: 19032921-0064-0000-0000-000003C2AE37 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010836; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000283; SDB=6.01181531; UDB=6.00618415; IPR=6.00962251; MB=3.00026215; MTD=3.00000008; XFM=3.00000015; UTC=2019-03-29 21:27:04 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19032921-0065-0000-0000-00003CE178B4 Message-Id: <20190329212702.GA4102@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-29_12:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903290146 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 29, 2019 at 03:42:44PM +0530, Mukesh Ojha wrote: > > On 3/29/2019 3:25 PM, Neeraj Upadhyay wrote: > >dump_blkd_tasks() uses 10 as the max number of blocked > >tasks, which are printed. However, it has an argument > >which provides that number. So, use the argument value > >instead. As all callers currently pass 10 as the number, > >there isn't any impact. > > > >Signed-off-by: Neeraj Upadhyay > > Looks good to me. > > Reviewed-by: Mukesh Ojha Applied, thank you both! Thanx, Paul > Cheers, > -Mukesh > > >--- > > kernel/rcu/tree_plugin.h | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > >diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h > >index 3960294..08bcd87 100644 > >--- a/kernel/rcu/tree_plugin.h > >+++ b/kernel/rcu/tree_plugin.h > >@@ -740,7 +740,7 @@ void exit_rcu(void) > > i = 0; > > list_for_each(lhp, &rnp->blkd_tasks) { > > pr_cont(" %p", lhp); > >- if (++i >= 10) > >+ if (++i >= ncheck) > > break; > > } > > pr_cont("\n"); >