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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 70412C433B4 for ; Mon, 19 Apr 2021 09:42:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D27061027 for ; Mon, 19 Apr 2021 09:42:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238138AbhDSJme (ORCPT ); Mon, 19 Apr 2021 05:42:34 -0400 Received: from mga12.intel.com ([192.55.52.136]:60390 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231904AbhDSJm1 (ORCPT ); Mon, 19 Apr 2021 05:42:27 -0400 IronPort-SDR: 2YC4LCTtThz0YflRoiUY8a6/B/WmYq3K6OgPUsFSUdO9/o2CLumvYNAAjgT9ROseT93+XFJ7u0 3Aj28LMpKWaQ== X-IronPort-AV: E=McAfee;i="6200,9189,9958"; a="174787674" X-IronPort-AV: E=Sophos;i="5.82,233,1613462400"; d="scan'208";a="174787674" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2021 02:41:58 -0700 IronPort-SDR: E1DomlE8udAJKtddbxmOe9Z/y9Jy4Rk6rqqr/7XyG2GL+BIIXXYm68gJ1Zn2ctUeq+q4fcwN5M DjuEqsQWqElQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,233,1613462400"; d="scan'208";a="452089684" Received: from nntpdsd52-165.inn.intel.com ([10.125.52.165]) by FMSMGA003.fm.intel.com with ESMTP; 19 Apr 2021 02:41:54 -0700 From: alexander.antonov@linux.intel.com To: acme@kernel.org Cc: linux-kernel@vger.kernel.org, jolsa@redhat.com, ak@linux.intel.com, alexander.shishkin@linux.intel.com, mark.rutland@arm.com, namhyung@kernel.org, irogers@google.com, mingo@redhat.com, peterz@infradead.org, alexander.antonov@linux.intel.com, alexey.v.bayduraev@linux.intel.com Subject: [RESEND PATCH v5 2/4] perf stat: Helper functions for PCIe root ports list in iostat mode Date: Mon, 19 Apr 2021 12:41:45 +0300 Message-Id: <20210419094147.15909-3-alexander.antonov@linux.intel.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20210419094147.15909-1-alexander.antonov@linux.intel.com> References: <20210419094147.15909-1-alexander.antonov@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexander Antonov Introduce helper functions to control PCIe root ports list. These helpers will be used in the follow-up patch. Acked-by: Namhyung Kim Signed-off-by: Alexander Antonov --- tools/perf/arch/x86/util/iostat.c | 110 ++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 tools/perf/arch/x86/util/iostat.c diff --git a/tools/perf/arch/x86/util/iostat.c b/tools/perf/arch/x86/util/iostat.c new file mode 100644 index 000000000000..c4471f8efa5e --- /dev/null +++ b/tools/perf/arch/x86/util/iostat.c @@ -0,0 +1,110 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * perf iostat + * + * Copyright (C) 2020, Intel Corporation + * + * Authors: Alexander Antonov + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "util/cpumap.h" +#include "util/debug.h" +#include "util/iostat.h" +#include "util/counts.h" +#include "path.h" + +struct iio_root_port { + u32 domain; + u8 bus; + u8 die; + u8 pmu_idx; + int idx; +}; + +struct iio_root_ports_list { + struct iio_root_port **rps; + int nr_entries; +}; + +static void iio_root_port_show(FILE *output, + const struct iio_root_port * const rp) +{ + if (output && rp) + fprintf(output, "S%d-uncore_iio_%d<%04x:%02x>\n", + rp->die, rp->pmu_idx, rp->domain, rp->bus); +} + +static struct iio_root_port *iio_root_port_new(u32 domain, u8 bus, + u8 die, u8 pmu_idx) +{ + struct iio_root_port *p = calloc(1, sizeof(*p)); + + if (p) { + p->domain = domain; + p->bus = bus; + p->die = die; + p->pmu_idx = pmu_idx; + } + return p; +} + +static void iio_root_ports_list_free(struct iio_root_ports_list *list) +{ + int idx; + + if (list) { + for (idx = 0; idx < list->nr_entries; idx++) + free(list->rps[idx]); + free(list->rps); + free(list); + } +} + +static struct iio_root_port *iio_root_port_find_by_notation( + const struct iio_root_ports_list * const list, u32 domain, u8 bus) +{ + int idx; + struct iio_root_port *rp; + + if (list) { + for (idx = 0; idx < list->nr_entries; idx++) { + rp = list->rps[idx]; + if (rp && rp->domain == domain && rp->bus == bus) + return rp; + } + } + return NULL; +} + +static int iio_root_ports_list_insert(struct iio_root_ports_list *list, + struct iio_root_port * const rp) +{ + struct iio_root_port **tmp_buf; + + if (list && rp) { + rp->idx = list->nr_entries++; + tmp_buf = realloc(list->rps, + list->nr_entries * sizeof(*list->rps)); + if (!tmp_buf) { + pr_err("Failed to realloc memory\n"); + return -ENOMEM; + } + tmp_buf[rp->idx] = rp; + list->rps = tmp_buf; + } + return 0; +} -- 2.21.3