From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A946B1BDAA3; Tue, 6 Aug 2024 15:57:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722959841; cv=none; b=HUuAfJ+sH553O2qrByDYmXe4XZcxaBWHVsvFNrP647Z8TaKHszs/ccyXzgYmPpsDZntbSSsV0dEd2GcBajs1oV9YJpJ55/p8FRBEJhlI9uQdry9zgrEK53Vrq8kx8YfvSfyHaqkXY1iaSU+43fTv+Cv4zifxQ2D6q1juJ/G4ruM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722959841; c=relaxed/simple; bh=rYla/CIs7On6YzggSgFMLvRtaI5JJQYxImdMCRGvFkc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=MDewGbmHR5udYO4AdVjtH0OQXqyuFwvPxgJL/iV86AijrV4CrZFKg8NuEWfgk8mYGCL06sguHBRjU0qVF8+pkeX0vh9eNd37+Qr5aagCxvHmSdNqxzt051cJq/CiAGNNvPJg1lf+XXG0uEjnGgq0SuLWfkROnASqmpy1oH9utsc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Zwc3DVwW; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Zwc3DVwW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1722959840; x=1754495840; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rYla/CIs7On6YzggSgFMLvRtaI5JJQYxImdMCRGvFkc=; b=Zwc3DVwWcRbbiob6dmb7RutFMMbOknSI0IgvXqwuv8KeGTzfgnHIABiW 2KSBlIvCOqN7gb6AGFPvHEO1s7xDMF1u5BnflTi/9WywqG+9yCUhPOarW xiRwdGa48s5k7hQftLi5te4p3deXeT2USzAmVjqzYAbeX4frDQGwOP1Hx hF6UAOGtyhEtCI7Fkr6BnxeOSjFUflMdN+jhGKsEJBePMPwx4e8/CjmW6 Hoc616O7SgBEkH38ChG7bh7tABdqODcroJF70R5Hw3wG4ETqZ27Yyq9LU VlAna9c395nC6zExZUQTDn0Y6VrBTHhqLT6x8bf206HMbCZIJzEvkGIb7 g==; X-CSE-ConnectionGUID: MpotrZmgR9iFh2WPTOvHGg== X-CSE-MsgGUID: VuUqUz+aS0udixx/dlGGEg== X-IronPort-AV: E=McAfee;i="6700,10204,11156"; a="43514209" X-IronPort-AV: E=Sophos;i="6.09,268,1716274800"; d="scan'208";a="43514209" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2024 08:56:14 -0700 X-CSE-ConnectionGUID: aNbjtSaBT6C5UTVG0bTOqA== X-CSE-MsgGUID: w0KlU80PRFK/N1EC2J5FvA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,268,1716274800"; d="scan'208";a="56631332" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.94.248.17]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2024 08:56:08 -0700 From: Adrian Hunter To: Peter Zijlstra Cc: Ingo Molnar , Mark Rutland , Alexander Shishkin , Heiko Carstens , Thomas Richter , Hendrik Brueckner , Suzuki K Poulose , Mike Leach , James Clark , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, Yicong Yang , Jonathan Cameron , Will Deacon , Arnaldo Carvalho de Melo , Jiri Olsa , Namhyung Kim , Ian Rogers , Andi Kleen , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: [PATCH V11 07/10] perf tools: Add missing_features for aux_start_paused, aux_pause, aux_resume Date: Tue, 6 Aug 2024 18:55:11 +0300 Message-Id: <20240806155514.17900-8-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240806155514.17900-1-adrian.hunter@intel.com> References: <20240806155514.17900-1-adrian.hunter@intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 Display "feature is not supported" error message if aux_start_paused, aux_pause or aux_resume result in a perf_event_open() error. Signed-off-by: Adrian Hunter Acked-by: Ian Rogers Reviewed-by: Andi Kleen --- tools/perf/util/evsel.c | 10 +++++++++- tools/perf/util/evsel.h | 1 + 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index cc2873131093..3aa90054de97 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2078,7 +2078,13 @@ bool evsel__detect_missing_features(struct evsel *evsel) * Must probe features in the order they were added to the * perf_event_attr interface. */ - if (!perf_missing_features.branch_counters && + if (!perf_missing_features.aux_pause_resume && + (evsel->core.attr.aux_pause || evsel->core.attr.aux_resume || + evsel->core.attr.aux_start_paused)) { + perf_missing_features.aux_pause_resume = true; + pr_debug2_peo("Kernel has no aux_pause/aux_resume support, bailing out\n"); + return false; + } else if (!perf_missing_features.branch_counters && (evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_COUNTERS)) { perf_missing_features.branch_counters = true; pr_debug2("switching off branch counters support\n"); @@ -3324,6 +3330,8 @@ int evsel__open_strerror(struct evsel *evsel, struct target *target, return scnprintf(msg, size, "clockid feature not supported."); if (perf_missing_features.clockid_wrong) return scnprintf(msg, size, "wrong clockid (%d).", clockid); + if (perf_missing_features.aux_pause_resume) + return scnprintf(msg, size, "The 'aux_pause / aux_resume' feature is not supported, update the kernel."); if (perf_missing_features.aux_output) return scnprintf(msg, size, "The 'aux_output' feature is not supported, update the kernel."); if (!target__has_cpu(target)) diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 80b5f6dd868e..0b0c847e776d 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -206,6 +206,7 @@ struct perf_missing_features { bool weight_struct; bool read_lost; bool branch_counters; + bool aux_pause_resume; }; extern struct perf_missing_features perf_missing_features; -- 2.34.1