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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 8CB0BC4743C for ; Mon, 21 Jun 2021 15:05:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76EF560FE9 for ; Mon, 21 Jun 2021 15:05:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230496AbhFUPIA (ORCPT ); Mon, 21 Jun 2021 11:08:00 -0400 Received: from mga02.intel.com ([134.134.136.20]:58565 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230415AbhFUPHt (ORCPT ); Mon, 21 Jun 2021 11:07:49 -0400 IronPort-SDR: CjkkuN2gTWPWHiIC5HJL0OeZiEX+ueGv8ynerseJ6SbTkJozREbkht/ZtdqpWGs1VXcwQ2P7dw pw71D62BRX3A== X-IronPort-AV: E=McAfee;i="6200,9189,10022"; a="193998980" X-IronPort-AV: E=Sophos;i="5.83,289,1616482800"; d="scan'208";a="193998980" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2021 08:05:32 -0700 IronPort-SDR: QH7i4VVc90f+kFksP5jG3tQmO8qAnOY81IiV0ns4yDzX9mIFFZ8gZG1y9ozzMxrrjj2nzdXtSe 2zw3MG4fpqDw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,289,1616482800"; d="scan'208";a="486519609" Received: from ahunter-desktop.fi.intel.com ([10.237.72.79]) by orsmga001.jf.intel.com with ESMTP; 21 Jun 2021 08:05:27 -0700 From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Andi Kleen , Peter Zijlstra , Ingo Molnar , Mark Rutland , Namhyung Kim , Leo Yan , Kan Liang , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH RFC 10/11] perf dlfilter: Add attr() to perf_dlfilter_fns Date: Mon, 21 Jun 2021 18:05:13 +0300 Message-Id: <20210621150514.32159-11-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210621150514.32159-1-adrian.hunter@intel.com> References: <20210621150514.32159-1-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a function, for use by dlfilters, to return the perf_event_attr structure. Signed-off-by: Adrian Hunter --- tools/perf/Documentation/perf-dlfilter.txt | 5 ++++- tools/perf/util/dlfilter.c | 11 +++++++++++ tools/perf/util/perf_dlfilter.h | 4 +++- 3 files changed, 18 insertions(+), 2 deletions(-) diff --git a/tools/perf/Documentation/perf-dlfilter.txt b/tools/perf/Documentation/perf-dlfilter.txt index b6f958983584..d37913343449 100644 --- a/tools/perf/Documentation/perf-dlfilter.txt +++ b/tools/perf/Documentation/perf-dlfilter.txt @@ -112,7 +112,8 @@ struct perf_dlfilter_fns { __s32 (*resolve_address)(void *ctx, __u64 address, struct perf_dlfilter_al *al); const __u8 *(*insn)(void *ctx, __u32 *length); const char *(*srcline)(void *ctx, __u32 *line_number); - void *(*reserved[123])(void *); + struct perf_event_attr *(*attr)(void *ctx); + void *(*reserved[122])(void *); }; ---- @@ -127,6 +128,8 @@ before calling. Returns 0 on success, -1 otherwise. 'srcline' return source file name and line number. +'attr' returns perf_event_attr, refer . + The perf_dlfilter_al structure ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/tools/perf/util/dlfilter.c b/tools/perf/util/dlfilter.c index d71b0c97d1eb..2e89f322ff60 100644 --- a/tools/perf/util/dlfilter.c +++ b/tools/perf/util/dlfilter.c @@ -217,12 +217,23 @@ static const char *dlfilter__srcline(void *ctx, __u32 *line_no) return srcfile; } +static struct perf_event_attr *dlfilter__attr(void *ctx) +{ + struct dlfilter *d = (struct dlfilter *)ctx; + + if (!d->ctx_valid) + return NULL; + + return &d->evsel->core.attr; +} + static const struct perf_dlfilter_fns perf_dlfilter_fns = { .resolve_ip = dlfilter__resolve_ip, .resolve_addr = dlfilter__resolve_addr, .resolve_address = dlfilter__resolve_address, .insn = dlfilter__insn, .srcline = dlfilter__srcline, + .attr = dlfilter__attr, }; #define CHECK_FLAG(x) BUILD_BUG_ON((u64)PERF_DLFILTER_FLAG_ ## x != (u64)PERF_IP_FLAG_ ## x) diff --git a/tools/perf/util/perf_dlfilter.h b/tools/perf/util/perf_dlfilter.h index a91e314ba24a..e2cdf416b22e 100644 --- a/tools/perf/util/perf_dlfilter.h +++ b/tools/perf/util/perf_dlfilter.h @@ -99,8 +99,10 @@ struct perf_dlfilter_fns { const __u8 *(*insn)(void *ctx, __u32 *length); /* Return source file name and line number */ const char *(*srcline)(void *ctx, __u32 *line_number); + /* Return perf_event_attr, refer */ + struct perf_event_attr *(*attr)(void *ctx); /* Reserved */ - void *(*reserved[123])(void *); + void *(*reserved[122])(void *); }; /* -- 2.17.1