From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966153AbcAZObV (ORCPT ); Tue, 26 Jan 2016 09:31:21 -0500 Received: from mga14.intel.com ([192.55.52.115]:4941 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966133AbcAZObS (ORCPT ); Tue, 26 Jan 2016 09:31:18 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,350,1449561600"; d="scan'208";a="889510194" Subject: Re: [PATCH V8 21/23] perf tools: adding perf_evlist to *info_priv_size() To: Arnaldo Carvalho de Melo , Mathieu Poirier References: <1452807977-8069-1-git-send-email-mathieu.poirier@linaro.org> <1452807977-8069-22-git-send-email-mathieu.poirier@linaro.org> <20160125210858.GC22501@kernel.org> Cc: "linux-arm-kernel@lists.infradead.org" , Peter Zijlstra , "linux-kernel@vger.kernel.org" , Ingo Molnar From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Message-ID: <56A78268.7020102@intel.com> Date: Tue, 26 Jan 2016 16:27:52 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <20160125210858.GC22501@kernel.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25/01/16 23:08, Arnaldo Carvalho de Melo wrote: > Em Mon, Jan 25, 2016 at 01:48:28PM -0700, Mathieu Poirier escreveu: >> On 14 January 2016 at 14:46, Mathieu Poirier wrote: >>> On some architecture the size of the private header may >>> be dependent on the number of tracers used in the session. As >>> such adding a "struct perf_evlist *" parameter, which should >>> contain all the required information. >>> >>> Also adjusting the existing client of the interface to take >>> the new parameter into account. >>> >>> Cc: Peter Zijlstra >>> Cc: Ingo Molnar >>> Cc: Arnaldo Carvalho de Melo >>> Signed-off-by: Mathieu Poirier >>> --- >>> tools/perf/arch/x86/util/intel-bts.c | 4 +++- >>> tools/perf/arch/x86/util/intel-pt.c | 4 +++- >>> tools/perf/util/auxtrace.c | 7 ++++--- >>> tools/perf/util/auxtrace.h | 6 ++++-- >>> 4 files changed, 14 insertions(+), 7 deletions(-) >>> >>> diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c >>> index 9b94ce520917..4685a40777cc 100644 >>> --- a/tools/perf/arch/x86/util/intel-bts.c >>> +++ b/tools/perf/arch/x86/util/intel-bts.c >>> @@ -60,7 +60,9 @@ struct branch { >>> u64 misc; >>> }; >>> >>> -static size_t intel_bts_info_priv_size(struct auxtrace_record *itr __maybe_unused) >>> +static size_t >>> +intel_bts_info_priv_size(struct auxtrace_record *itr __maybe_unused, >>> + struct perf_evlist *evlist __maybe_unused) >>> { >>> return INTEL_BTS_AUXTRACE_PRIV_SIZE; >>> } >>> diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c >>> index b02af064f0f9..e5c1f2e21f87 100644 >>> --- a/tools/perf/arch/x86/util/intel-pt.c >>> +++ b/tools/perf/arch/x86/util/intel-pt.c >>> @@ -273,7 +273,9 @@ intel_pt_pmu_default_config(struct perf_pmu *intel_pt_pmu) >>> return attr; >>> } >>> >>> -static size_t intel_pt_info_priv_size(struct auxtrace_record *itr __maybe_unused) >>> +static size_t >>> +intel_pt_info_priv_size(struct auxtrace_record *itr __maybe_unused, >>> + struct perf_evlist *evlist __maybe_unused) >>> { >>> return INTEL_PT_AUXTRACE_PRIV_SIZE; >>> } >>> diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c >>> index 7f10430af39c..cc1c9ce5cc56 100644 >>> --- a/tools/perf/util/auxtrace.c >>> +++ b/tools/perf/util/auxtrace.c >>> @@ -478,10 +478,11 @@ void auxtrace_heap__pop(struct auxtrace_heap *heap) >>> heap_array[last].ordinal); >>> } >>> >>> -size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr) >>> +size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr, >>> + struct perf_evlist *evlist) >>> { >>> if (itr) >>> - return itr->info_priv_size(itr); >>> + return itr->info_priv_size(itr, evlist); >>> return 0; >>> } >>> >>> @@ -852,7 +853,7 @@ int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr, >>> int err; >>> >>> pr_debug2("Synthesizing auxtrace information\n"); >>> - priv_size = auxtrace_record__info_priv_size(itr); >>> + priv_size = auxtrace_record__info_priv_size(itr, session->evlist); >>> ev = zalloc(sizeof(struct auxtrace_info_event) + priv_size); >>> if (!ev) >>> return -ENOMEM; >>> diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h >>> index b86f90db1352..e5a8e2d4f2af 100644 >>> --- a/tools/perf/util/auxtrace.h >>> +++ b/tools/perf/util/auxtrace.h >>> @@ -293,7 +293,8 @@ struct auxtrace_record { >>> int (*recording_options)(struct auxtrace_record *itr, >>> struct perf_evlist *evlist, >>> struct record_opts *opts); >>> - size_t (*info_priv_size)(struct auxtrace_record *itr); >>> + size_t (*info_priv_size)(struct auxtrace_record *itr, >>> + struct perf_evlist *evlist); >>> int (*info_fill)(struct auxtrace_record *itr, >>> struct perf_session *session, >>> struct auxtrace_info_event *auxtrace_info, >>> @@ -429,7 +430,8 @@ int auxtrace_parse_snapshot_options(struct auxtrace_record *itr, >>> int auxtrace_record__options(struct auxtrace_record *itr, >>> struct perf_evlist *evlist, >>> struct record_opts *opts); >>> -size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr); >>> +size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr, >>> + struct perf_evlist *evlist); >>> int auxtrace_record__info_fill(struct auxtrace_record *itr, >>> struct perf_session *session, >>> struct auxtrace_info_event *auxtrace_info, >>> -- >>> 2.1.4 >>> >> >> Arnaldo, >> >> As with my previous email, I can't queue this patch for 4.6 without at >> least a reviewed by from you. >> >> It has been rebased to 4.5-rc1 here [1] for your convenience. I will >> be happy to use another baseline should that be more adequate for you. > > Adrian, are you ok with this? I will try to look at this and the others in the next day or two.