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[2620:137:e000::1:20]) by mx.google.com with ESMTP id m18-20020a170906259200b00992b49a8f89si8752982ejb.650.2023.08.09.02.27.38; Wed, 09 Aug 2023 02:28:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231690AbjHIIUn (ORCPT + 99 others); Wed, 9 Aug 2023 04:20:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229702AbjHIIUl (ORCPT ); Wed, 9 Aug 2023 04:20:41 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07762E7D; Wed, 9 Aug 2023 01:20:41 -0700 (PDT) Received: from canpemm500009.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RLNFd6BL7zcdFT; Wed, 9 Aug 2023 16:17:09 +0800 (CST) Received: from localhost.localdomain (10.50.163.32) by canpemm500009.china.huawei.com (7.192.105.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 9 Aug 2023 16:20:38 +0800 From: Yicong Yang To: , , , CC: , , , , , , Subject: [PATCH 0/5] Several updates for PTT driver Date: Wed, 9 Aug 2023 16:18:20 +0800 Message-ID: <20230809081825.11518-1-yangyicong@huawei.com> X-Mailer: git-send-email 2.31.0 MIME-Version: 1.0 X-Originating-IP: [10.50.163.32] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To canpemm500009.china.huawei.com (7.192.105.203) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773743145594072884 X-GMAIL-MSGID: 1773743145594072884 From: Yicong Yang This series contains several updates for PTT driver: - Disable interrupt when trace stops, reverse to what we do in trace start - Always handle the interrupt in hardirq context - Optimize the AUX buffer handling to make consumer have more time to process the data - Since we're a uncore PMU so block any task attach operation - Add a dummy pmu::read() callback since the perf core may use Junhao He (1): hwtracing: hisi_ptt: Add dummy callback pmu::read() Yicong Yang (4): hwtracing: hisi_ptt: Disable interrupt after trace end hwtracing: hisi_ptt: Handle the interrupt in hardirq context hwtracing: hisi_ptt: Optimize the trace data committing hwtracing: hisi_ptt: Don't try to attach a task drivers/hwtracing/ptt/hisi_ptt.c | 33 +++++++++++++++++++++----------- drivers/hwtracing/ptt/hisi_ptt.h | 1 + 2 files changed, 23 insertions(+), 11 deletions(-)