From patchwork Thu Jul 30 10:47:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shaokun Zhang X-Patchwork-Id: 11692779 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3641814B7 for ; Thu, 30 Jul 2020 10:49:59 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0F8172074B for ; Thu, 30 Jul 2020 10:49:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="TAkuRrf7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F8172074B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=hisilicon.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=I37k7SJVeV+AuGdTMWpv8FgwcQ5vXfIll00zXJ44IfI=; b=TAkuRrf74r00uGrSZWld9qELw9 9F6DKtEanxZLfuZ81NfjQMnacEedaMupUOBnpwYH9jqK3aUiDraD070H3kZENmAzCEr+VdM8HV5hi /F8XHn17cYyEL7M6QzeKFKFgYMu6yYFe+Hb4nJJHmnMVqbYAPFfli9UUA+NPOvXyOj8mhQzOX/PfJ Kw6alm02ffdiRdRj8xaofQFP8NpDYECGbNg3NrCKh3Rpb1WeR6vqSJvfk785+/vAuuPIJ2/7HGubU e+WZpVQIqQp0Om+uj7iAqpBwt5o3BeD98RUadVBciDBRXasfbGZzyB5PmG5cE0eLXj36yHEum5JoD v90FBaXw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k167z-0000Tt-BP; Thu, 30 Jul 2020 10:49:35 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32] helo=huawei.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k167w-0000T6-Hd for linux-arm-kernel@lists.infradead.org; Thu, 30 Jul 2020 10:49:33 +0000 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id E05A0DF0E66148FA6394; Thu, 30 Jul 2020 18:49:23 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.487.0; Thu, 30 Jul 2020 18:49:16 +0800 From: Shaokun Zhang To: Subject: [PATCH] drivers/perf: arm_pmu: Show PMU version on boot Date: Thu, 30 Jul 2020 18:47:21 +0800 Message-ID: <1596106041-7688-1-git-send-email-zhangshaokun@hisilicon.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200730_064932_836450_C87F1219 X-CRM114-Status: GOOD ( 10.77 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [45.249.212.32 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [45.249.212.32 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Shaokun Zhang , Mark Rutland , Will Deacon Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The @pmuver field has been initialized and can tell the PMU version. Let's show it on boot and the user obtains this information directly. Cc: Will Deacon Cc: Mark Rutland Signed-off-by: Shaokun Zhang --- drivers/perf/arm_pmu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index df352b334ea7..36f7fad7ba5a 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -870,8 +870,8 @@ int armpmu_register(struct arm_pmu *pmu) if (!__oprofile_cpu_pmu) __oprofile_cpu_pmu = pmu; - pr_info("enabled with %s PMU driver, %d counters available\n", - pmu->name, pmu->num_events); + pr_info("enabled with %s PMU driver, %d counters available, version is %d\n", + pmu->name, pmu->num_events, pmu->pmuver); return 0;