From nobody Sun Feb 8 05:28:45 2026 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 9B519EB64DB for ; Wed, 14 Jun 2023 14:02:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245326AbjFNOCv (ORCPT ); Wed, 14 Jun 2023 10:02:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245338AbjFNOCs (ORCPT ); Wed, 14 Jun 2023 10:02:48 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 52B2E1FE5; Wed, 14 Jun 2023 07:02:46 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 236901FB; Wed, 14 Jun 2023 07:03:30 -0700 (PDT) Received: from localhost.localdomain (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id D3AC83F64C; Wed, 14 Jun 2023 07:02:43 -0700 (PDT) From: James Clark To: linux-perf-users@vger.kernel.org Cc: broonie@kernel.org, Aishwarya.TCV@arm.com, James Clark , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , linux-kernel@vger.kernel.org Subject: [RFC PATCH] perf tools: Add a place to put kernel config fragments for test runs Date: Wed, 14 Jun 2023 15:02:19 +0100 Message-Id: <20230614140219.2335639-1-james.clark@arm.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" We are currently keeping something like this in our CI because defconfig doesn't give full coverage. It's not complete yet, but is a starting point as a place to add to when a specific test needs something extra to run. The RFC is for discussion on folder placement and file naming etc. Signed-off-by: James Clark --- tools/perf/tests/config-fragments/README | 7 +++++++ tools/perf/tests/config-fragments/aarch64 | 1 + tools/perf/tests/config-fragments/config | 11 +++++++++++ 3 files changed, 19 insertions(+) create mode 100644 tools/perf/tests/config-fragments/README create mode 100644 tools/perf/tests/config-fragments/aarch64 create mode 100644 tools/perf/tests/config-fragments/config diff --git a/tools/perf/tests/config-fragments/README b/tools/perf/tests/co= nfig-fragments/README new file mode 100644 index 000000000000..e816cfb1b96d --- /dev/null +++ b/tools/perf/tests/config-fragments/README @@ -0,0 +1,7 @@ +This folder is for kernel config fragments that can be merged with +defconfig to give full test coverage of a perf test run. This is only +an optimistic set as some features require hardware support in order to +pass and not skip. + +'config' is shared across all platforms, and for arch specific files, +the file name should match that returned by 'uname -m'. diff --git a/tools/perf/tests/config-fragments/aarch64 b/tools/perf/tests/c= onfig-fragments/aarch64 new file mode 100644 index 000000000000..64c4ab17cd58 --- /dev/null +++ b/tools/perf/tests/config-fragments/aarch64 @@ -0,0 +1 @@ +CONFIG_CORESIGHT_SOURCE_ETM4X=3Dy diff --git a/tools/perf/tests/config-fragments/config b/tools/perf/tests/co= nfig-fragments/config new file mode 100644 index 000000000000..c340b3195fca --- /dev/null +++ b/tools/perf/tests/config-fragments/config @@ -0,0 +1,11 @@ +CONFIG_TRACEPOINTS=3Dy +CONFIG_STACKTRACE=3Dy +CONFIG_NOP_TRACER=3Dy +CONFIG_RING_BUFFER=3Dy +CONFIG_EVENT_TRACING=3Dy +CONFIG_CONTEXT_SWITCH_TRACER=3Dy +CONFIG_TRACING=3Dy +CONFIG_GENERIC_TRACER=3Dy +CONFIG_FTRACE=3Dy +CONFIG_FTRACE_SYSCALLS=3Dy +CONFIG_BRANCH_PROFILE_NONE=3Dy --=20 2.34.1