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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3477BC4332F for ; Wed, 9 Feb 2022 11:58:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231415AbiBIL6Q (ORCPT ); Wed, 9 Feb 2022 06:58:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231395AbiBIL5Q (ORCPT ); Wed, 9 Feb 2022 06:57:16 -0500 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93F93E03E22E; Wed, 9 Feb 2022 02:56:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1644404201; x=1675940201; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FR54Ul9wkB7B9HE0EPdcDIwgDv3R7OaEomUk2L58kKs=; b=SuCxVL6ARdvgevReo3mhA5gGUxuJrChPbJucIXADMbz+qhEm2BL+V6/L mrq5zS3Ymu1b77+oGyhlnrmX8BvlHnWjcElct36fGQPDt85PVBrRBuzro X7k2cejKvsU/n+yT7ApdWA+T0AMmCWwJMAjb37FL/B2xiTj1lroiy/zPw TiSoJXh/MgLgVSIezXojK07RBKaPNUGAZ3Ya413s/4BdBOXSF2+hsBkM3 8ouLCKhKKdfFMVskoTEkEnRXCs/MtCnyp3ZnXV3sbSYPGcepsKQfYQd+P xlsLnEJZPn+vehed4TptaPDCyMfNVGUIMpI09/JjNMmr0WGYmJPBkka2B A==; X-IronPort-AV: E=McAfee;i="6200,9189,10252"; a="229128626" X-IronPort-AV: E=Sophos;i="5.88,355,1635231600"; d="scan'208";a="229128626" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2022 00:49:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,355,1635231600"; d="scan'208";a="568169257" Received: from ahunter-desktop.fi.intel.com ([10.237.72.92]) by orsmga001.jf.intel.com with ESMTP; 09 Feb 2022 00:49:51 -0800 From: Adrian Hunter To: Peter Zijlstra Cc: Alexander Shishkin , Arnaldo Carvalho de Melo , Jiri Olsa , linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, kvm@vger.kernel.org, H Peter Anvin , Mathieu Poirier , Suzuki K Poulose , Leo Yan Subject: [PATCH 05/11] perf tools: Add API probes for new clock IDs Date: Wed, 9 Feb 2022 10:49:23 +0200 Message-Id: <20220209084929.54331-6-adrian.hunter@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220209084929.54331-1-adrian.hunter@intel.com> References: <20220209084929.54331-1-adrian.hunter@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add ability to check whether the kernel supports new clock IDs CLOCK_PERF_HW_CLOCK and CLOCK_PERF_HW_CLOCK_NS. They will be used in a subsequent patch. Signed-off-by: Adrian Hunter --- tools/perf/util/perf_api_probe.c | 22 ++++++++++++++++++++++ tools/perf/util/perf_api_probe.h | 2 ++ 2 files changed, 24 insertions(+) diff --git a/tools/perf/util/perf_api_probe.c b/tools/perf/util/perf_api_probe.c index c28dd50bd571..c70af544a08c 100644 --- a/tools/perf/util/perf_api_probe.c +++ b/tools/perf/util/perf_api_probe.c @@ -109,6 +109,18 @@ static void perf_probe_cgroup(struct evsel *evsel) evsel->core.attr.cgroup = 1; } +static void perf_probe_hw_clock(struct evsel *evsel) +{ + evsel->core.attr.use_clockid = 1; + evsel->core.attr.clockid = CLOCK_PERF_HW_CLOCK; +} + +static void perf_probe_hw_clock_ns(struct evsel *evsel) +{ + evsel->core.attr.use_clockid = 1; + evsel->core.attr.clockid = CLOCK_PERF_HW_CLOCK_NS; +} + bool perf_can_sample_identifier(void) { return perf_probe_api(perf_probe_sample_identifier); @@ -195,3 +207,13 @@ bool perf_can_record_cgroup(void) { return perf_probe_api(perf_probe_cgroup); } + +bool perf_can_perf_clock_hw_clock(void) +{ + return perf_probe_api(perf_probe_hw_clock); +} + +bool perf_can_perf_clock_hw_clock_ns(void) +{ + return perf_probe_api(perf_probe_hw_clock_ns); +} diff --git a/tools/perf/util/perf_api_probe.h b/tools/perf/util/perf_api_probe.h index b104168efb15..5b30cbd260cf 100644 --- a/tools/perf/util/perf_api_probe.h +++ b/tools/perf/util/perf_api_probe.h @@ -13,5 +13,7 @@ bool perf_can_record_text_poke_events(void); bool perf_can_sample_identifier(void); bool perf_can_record_build_id(void); bool perf_can_record_cgroup(void); +bool perf_can_perf_clock_hw_clock(void); +bool perf_can_perf_clock_hw_clock_ns(void); #endif // __PERF_API_PROBE_H -- 2.25.1