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GET /api/patches/122380/?format=api
{ "id": 122380, "url": "https://patches.dpdk.org/api/patches/122380/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20230119233916.4029128-4-tduszynski@marvell.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20230119233916.4029128-4-tduszynski@marvell.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230119233916.4029128-4-tduszynski@marvell.com", "date": "2023-01-19T23:39:14", "name": "[v6,3/4] pmu: support reading Intel x86_64 PMU events in runtime", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "f8af0fece42cb680a27f0a3b771ed995119138b8", "submitter": { "id": 2215, "url": "https://patches.dpdk.org/api/people/2215/?format=api", "name": "Tomasz Duszynski", "email": "tduszynski@marvell.com" }, "delegate": { "id": 1, "url": "https://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20230119233916.4029128-4-tduszynski@marvell.com/mbox/", "series": [ { "id": 26616, "url": "https://patches.dpdk.org/api/series/26616/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=26616", "date": "2023-01-19T23:39:11", "name": "add support for self monitoring", "version": 6, "mbox": "https://patches.dpdk.org/series/26616/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/122380/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/122380/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id D50E742423;\n\tFri, 20 Jan 2023 00:39:54 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id CA0064114B;\n\tFri, 20 Jan 2023 00:39:41 +0100 (CET)", "from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com\n [67.231.148.174])\n by mails.dpdk.org (Postfix) with ESMTP id 30DA042DB3\n for <dev@dpdk.org>; Fri, 20 Jan 2023 00:39:40 +0100 (CET)", "from pps.filterd (m0045849.ppops.net [127.0.0.1])\n by mx0a-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id\n 30JN6DDK014729; Thu, 19 Jan 2023 15:39:36 -0800", "from dc5-exch02.marvell.com ([199.233.59.182])\n by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3n6nju5ner-1\n (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT);\n Thu, 19 Jan 2023 15:39:36 -0800", "from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com\n (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.42;\n Thu, 19 Jan 2023 15:39:34 -0800", "from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com\n (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.42 via Frontend\n Transport; Thu, 19 Jan 2023 15:39:34 -0800", "from cavium-DT10.. (unknown [10.28.34.39])\n by maili.marvell.com (Postfix) with ESMTP id C02933F7048;\n Thu, 19 Jan 2023 15:39:31 -0800 (PST)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com;\n h=from : to : cc :\n subject : date : message-id : in-reply-to : references : mime-version :\n content-transfer-encoding : content-type; s=pfpt0220;\n bh=rJtGf+GveL91cLjYiBwEXHtzrxJx2+kuakCEpBKVIMw=;\n b=LbISxeS/Jkp2H/ey2EP5MFt3AjKq3xNQCkrqtiBggLG1CtQEAEqeX8vrP/f2ej9MR4qy\n ox02fXgONIGusO8BLYLYIeAC4JEaUyVBgDD3BJ0+GBl1Rmzelu7fWj+omqP3cWQWs8jx\n KgQwdxLxR1KoWvudNypW50NFhg76I5AofvJr8a6GWU3PPSHtpn08EJ+B3gFMoWNaXHS6\n 8vx9egp/rqnJ5atGqWOtjykdDaAuHRVm+lMpWQoQu8FyzLDn+2YOZbbwWb7uKUpYGrjC\n QsyGkQToCgkx9VEr6pX1iZ+x2nawdUKih0SYGIcDBqkTHV9t9zXsfJhqdwcGMkhlXz92 8g==", "From": "Tomasz Duszynski <tduszynski@marvell.com>", "To": "<dev@dpdk.org>, Tomasz Duszynski <tduszynski@marvell.com>", "CC": "<thomas@monjalon.net>, <jerinj@marvell.com>, <mb@smartsharesystems.com>,\n <Ruifeng.Wang@arm.com>, <mattias.ronnblom@ericsson.com>,\n <zhoumin@loongson.cn>, <bruce.richardson@intel.com>,\n <roretzla@linux.microsoft.com>", "Subject": "[PATCH v6 3/4] pmu: support reading Intel x86_64 PMU events in\n runtime", "Date": "Fri, 20 Jan 2023 00:39:14 +0100", "Message-ID": "<20230119233916.4029128-4-tduszynski@marvell.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20230119233916.4029128-1-tduszynski@marvell.com>", "References": "<20230110234642.1188550-1-tduszynski@marvell.com>\n <20230119233916.4029128-1-tduszynski@marvell.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Proofpoint-ORIG-GUID": "S-vXpGYgBwFCbXGu4zj9FmaRcBauBdcH", "X-Proofpoint-GUID": "S-vXpGYgBwFCbXGu4zj9FmaRcBauBdcH", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1\n definitions=2023-01-19_14,2023-01-19_01,2022-06-22_01", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "Add support for reading Intel x86_64 PMU events in runtime.\n\nSigned-off-by: Tomasz Duszynski <tduszynski@marvell.com>\n---\n app/test/test_pmu.c | 2 ++\n lib/pmu/meson.build | 1 +\n lib/pmu/rte_pmu.h | 2 ++\n lib/pmu/rte_pmu_pmc_x86_64.h | 24 ++++++++++++++++++++++++\n 4 files changed, 29 insertions(+)\n create mode 100644 lib/pmu/rte_pmu_pmc_x86_64.h", "diff": "diff --git a/app/test/test_pmu.c b/app/test/test_pmu.c\nindex 4cdc71791e..dc7a9cdb27 100644\n--- a/app/test/test_pmu.c\n+++ b/app/test/test_pmu.c\n@@ -17,6 +17,8 @@ test_pmu_read(void)\n \n #if defined(RTE_ARCH_ARM64)\n \tevent = rte_pmu_add_event(\"cpu_cycles\");\n+#elif defined(RTE_ARCH_X86_64)\n+\tevent = rte_pmu_add_event(\"cpu-cycles\");\n #endif\n \n \twhile (tries--)\ndiff --git a/lib/pmu/meson.build b/lib/pmu/meson.build\nindex e857681137..5b92e5c4e3 100644\n--- a/lib/pmu/meson.build\n+++ b/lib/pmu/meson.build\n@@ -13,6 +13,7 @@ sources = files('rte_pmu.c')\n headers = files('rte_pmu.h')\n indirect_headers += files(\n 'rte_pmu_pmc_arm64.h',\n+ 'rte_pmu_pmc_x86_64.h',\n )\n \n if dpdk_conf.has('RTE_ARCH_ARM64')\ndiff --git a/lib/pmu/rte_pmu.h b/lib/pmu/rte_pmu.h\nindex 4808d90eb9..617732361c 100644\n--- a/lib/pmu/rte_pmu.h\n+++ b/lib/pmu/rte_pmu.h\n@@ -28,6 +28,8 @@ extern \"C\" {\n \n #if defined(RTE_ARCH_ARM64)\n #include \"rte_pmu_pmc_arm64.h\"\n+#elif defined(RTE_ARCH_X86_64)\n+#include \"rte_pmu_pmc_x86_64.h\"\n #endif\n \n /** Maximum number of events in a group */\ndiff --git a/lib/pmu/rte_pmu_pmc_x86_64.h b/lib/pmu/rte_pmu_pmc_x86_64.h\nnew file mode 100644\nindex 0000000000..7b67466960\n--- /dev/null\n+++ b/lib/pmu/rte_pmu_pmc_x86_64.h\n@@ -0,0 +1,24 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright(c) 2023 Marvell.\n+ */\n+#ifndef _RTE_PMU_PMC_X86_64_H_\n+#define _RTE_PMU_PMC_X86_64_H_\n+\n+#include <rte_common.h>\n+\n+static __rte_always_inline uint64_t\n+rte_pmu_pmc_read(int index)\n+{\n+\tuint64_t low, high;\n+\n+\tasm volatile(\n+\t\t\"rdpmc\\n\"\n+\t\t: \"=a\" (low), \"=d\" (high)\n+\t\t: \"c\" (index)\n+\t);\n+\n+\treturn low | (high << 32);\n+}\n+#define rte_pmu_pmc_read rte_pmu_pmc_read\n+\n+#endif /* _RTE_PMU_PMC_X86_64_H_ */\n", "prefixes": [ "v6", "3/4" ] }