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 X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 260A3C10DCE for ; Fri, 6 Mar 2020 09:39:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EF5CF2073D for ; Fri, 6 Mar 2020 09:39:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XWIQnRNb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726382AbgCFJjy (ORCPT ); Fri, 6 Mar 2020 04:39:54 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:29842 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726025AbgCFJjy (ORCPT ); Fri, 6 Mar 2020 04:39:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1583487593; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9w4K7HNHCcCnQl8kwABMmkKSWRS3bVzaaYz6cJNs38g=; b=XWIQnRNbuIXtzQL0SxFjgNCm7tGRIzpkxFPFEzsdMUsPdMZZ9hc5NxI2sYxLFw5UsbRrTw 7np92TAZSDikjS+5R1Q1awkulSXEoXlbEOuc05LP6/hdJXfFz9ePv7dyNBhdb62mazDxCn Wf0/Z2YWJSnCkKFJPCR1Z/dPqVuJ5uk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-87-eoz86C1CN02ZFquzgDPX9A-1; Fri, 06 Mar 2020 04:39:49 -0500 X-MC-Unique: eoz86C1CN02ZFquzgDPX9A-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 973B3107ACC7; Fri, 6 Mar 2020 09:39:47 +0000 (UTC) Received: from krava (ovpn-205-205.brq.redhat.com [10.40.205.205]) by smtp.corp.redhat.com (Postfix) with ESMTPS id F2C0019756; Fri, 6 Mar 2020 09:39:43 +0000 (UTC) Date: Fri, 6 Mar 2020 10:39:40 +0100 From: Jiri Olsa To: kan.liang@linux.intel.com Cc: acme@kernel.org, peterz@infradead.org, mingo@redhat.com, linux-kernel@vger.kernel.org, namhyung@kernel.org, adrian.hunter@intel.com, mathieu.poirier@linaro.org, ravi.bangoria@linux.ibm.com, alexey.budankov@linux.intel.com, vitaly.slobodskoy@intel.com, pavel.gerasimov@intel.com, mpe@ellerman.id.au, eranian@google.com, ak@linux.intel.com Subject: Re: [PATCH 00/12] Stitch LBR call stack (Perf Tools) Message-ID: <20200306093940.GD281906@krava> References: <20200228163011.19358-1-kan.liang@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200228163011.19358-1-kan.liang@linux.intel.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 28, 2020 at 08:29:59AM -0800, kan.liang@linux.intel.com wrote= : SNIP > Kan Liang (12): > perf tools: Add hw_idx in struct branch_stack > perf tools: Support PERF_SAMPLE_BRANCH_HW_INDEX > perf header: Add check for event attr > perf pmu: Add support for PMU capabilities hi, I'm getting compile error: util/pmu.c: In function =E2=80=98perf_pmu__caps_parse=E2=80=99: util/pmu.c:1620:32: error: =E2=80=98%s=E2=80=99 directive output may be = truncated writing up to 255 bytes into a region of size between 0 and 409= 5 [-Werror=3Dformat-truncation=3D] 1620 | snprintf(path, PATH_MAX, "%s/%s", caps_path, name); | ^~ In file included from /usr/include/stdio.h:867, from util/pmu.c:12: /usr/include/bits/stdio2.h:67:10: note: =E2=80=98__builtin___snprintf_ch= k=E2=80=99 output between 2 and 4352 bytes into a destination of size 409= 6 67 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL= - 1, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~= ~~~~~ 68 | __bos (__s), __fmt, __va_arg_pack ()); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors [jolsa@krava perf]$ gcc --version gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1) jirka