From patchwork Tue Dec 5 09:25:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vadim Shakirov X-Patchwork-Id: 13479610 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E3F96C4167B for ; Tue, 5 Dec 2023 09:27:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wpG5WvpOeZ28Avyg2ploAv7vO5+xYljbnbYNI5O2Si4=; b=IAU6bmj7mNZ2Bh 9qAy1+07cYwQzi+CKazQlb7qtmakyVE4HA/dErWKBrmZiB+HTMMBBYij/7mwXI2I1DpdYXetrDzy9 j2ok8tVMeOaAWVDiXunCK+zpymBn10d6spSyrGdu3WBgNkYDj21f/+k7dbiZ3SYWmXV7gS21YxwxT jnPEmKSMzXuQmCcmx1qZql1zOV1sTQq8QphHI8JKvQSCoqDfE9qmd5TAP2yNV9+gN9c7oOG1R8glr UiNLf/5FHIyg9YASnva3WnLRis+GeiocyUfNVXUeW0QuXSgnu5JzFbYp0GSPf7fPhSOnTId/dTXei m04tGAtkG/HAFuBd9NAg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rARhe-006nJX-1E; Tue, 05 Dec 2023 09:26:54 +0000 Received: from mta-04.yadro.com ([89.207.88.248]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rARha-006nIS-2q for linux-riscv@lists.infradead.org; Tue, 05 Dec 2023 09:26:52 +0000 DKIM-Filter: OpenDKIM Filter v2.11.0 mta-04.yadro.com F310FC0012 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=syntacore.com; s=mta-04; t=1701768407; bh=KfrrOaxwH0SW4+l9ufl40h36vnN/7a6MQbhAMTM4iK0=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=Nzyn95L01DWqMe66VD4dfGJiBUbIvWFv7soLnpcOVJfOYV0OASs5taow3dJ+QbY8T hAWKRDA1uKueBZt59xqREHO9ejuaeU5JKMvbB8Xub2dyCaiL7ZCkRHuVPfeKcKZiz3 MSTkvZFuH/6g/fnH/X92FfQDQcVlPcK94c4JJwqbtFSmUSWJ/TejYwdk5lYepj4x/l Xq1NZnTkFjB1w4uIR7xuOzDNE4q81yVY7S3WvTUpsnS7BRQ9q8u8+pzMIn7Hs5j0TX s+1eY4MDnAxgjQ2blv7KCBBdH15fkPSIhnq8ZKdju31KncokSCFcwmCoC1MCcHJnlQ Ey5tiESAnu8NA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=syntacore.com; s=mta-03; t=1701768407; bh=KfrrOaxwH0SW4+l9ufl40h36vnN/7a6MQbhAMTM4iK0=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=PJfYgTgfmnYJvj9cmQlFOQkV/k5cGatNDFRqynyCqu6Cq+BzbGiKVUe+Npbsxkp6a zEauUV7gsIOZZgQAlLkRr2X+eMfO4bgaukqbNVfkSeRK/NslMgjCU5mWOvJ+oqBPhJ qn9J1A8YIrGs2ndCOG7Hlrz1dA1t7oFqizsGEbLyN5UZUCp5oRm1jnCh6rX4lO81Bl 7kCqzh+copb+ggT96UxKVOxcYbegEHYn8K3Z9rfft54zaCQwH835SUOiTMrDoPmnaT JRPnn4fzr6Jw0AnBgVcwxLRy0QzSlSY1jeDz1hQSxcBMaZKaaPKLUHqLVxu0Wqrsi9 GNxAwFkQjL+Jg== From: Vadim Shakirov To: Atish Patra CC: Vadim Shakirov , Anup Patel , Will Deacon , Mark Rutland , Paul Walmsley , "Palmer Dabbelt" , Albert Ou , "Alexandre Ghiti" , Andrew Jones , , Subject: [PATCH 2/2] drivers: perf: added capabilities for legacy PMU Date: Tue, 5 Dec 2023 12:25:55 +0300 Message-ID: <20231205092555.35617-2-vadim.shakirov@syntacore.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231205092555.35617-1-vadim.shakirov@syntacore.com> References: <20231205092555.35617-1-vadim.shakirov@syntacore.com> MIME-Version: 1.0 X-ClientProxiedBy: T-EXCH-07.corp.yadro.com (172.17.11.57) To S-Exch-02.corp.yadro.com (10.78.5.239) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231205_012651_108430_2E80580A X-CRM114-Status: UNSURE ( 7.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Added the PERF_PMU_CAP_NO_INTERRUPT flag because the legacy pmu driver does not provide sampling capabilities Added the PERF_PMU_CAP_NO_EXCLUDE flag because the legacy pmu driver does not provide the ability to disable counter incrementation in different privilege modes Suggested-by: Atish Patra Signed-off-by: Vadim Shakirov Reviewed-by: Atish Patra --- drivers/perf/riscv_pmu_legacy.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/perf/riscv_pmu_legacy.c b/drivers/perf/riscv_pmu_legacy.c index a179ed6ac980..fa0bccf4edf2 100644 --- a/drivers/perf/riscv_pmu_legacy.c +++ b/drivers/perf/riscv_pmu_legacy.c @@ -123,6 +123,8 @@ static void pmu_legacy_init(struct riscv_pmu *pmu) pmu->event_mapped = pmu_legacy_event_mapped; pmu->event_unmapped = pmu_legacy_event_unmapped; pmu->csr_index = pmu_legacy_csr_index; + pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; + pmu->pmu.capabilities |= PERF_PMU_CAP_NO_EXCLUDE; perf_pmu_register(&pmu->pmu, "cpu", PERF_TYPE_RAW); }