From patchwork Wed Oct 10 10:51:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Laatz X-Patchwork-Id: 46472 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 930241B55F; Wed, 10 Oct 2018 12:51:21 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 0CA8B1B55E for ; Wed, 10 Oct 2018 12:51:19 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Oct 2018 03:51:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,364,1534834800"; d="scan'208";a="93916532" Received: from silpixa00397517.ir.intel.com (HELO silpixa00397517.ger.corp.intel.com) ([10.237.222.54]) by fmsmga002.fm.intel.com with ESMTP; 10 Oct 2018 03:51:12 -0700 From: Kevin Laatz To: dev@dpdk.org Cc: harry.van.haaren@intel.com, stephen@networkplumber.org, gaetan.rivet@6wind.com, shreyansh.jain@nxp.com, thomas@monjalon.net, mattias.ronnblom@ericsson.com, bruce.richardson@intel.com, Kevin Laatz Date: Wed, 10 Oct 2018 11:51:22 +0100 Message-Id: <20181010105134.48079-1-kevin.laatz@intel.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20181003173612.67101-1-kevin.laatz@intel.com> References: <20181003173612.67101-1-kevin.laatz@intel.com> Subject: [dpdk-dev] [PATCH v3 00/12] introduce telemetry library X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patchset introduces a Telemetry library for DPDK Service Assurance. This library provides an easy way to query DPDK Ethdev metrics. The telemetry library provides a method for a service assurance component to retrieve metrics from a DPDK packet forwarding application. Communicating from the service assurance component to DPDK is done using a UNIX domain socket, passing a JSON formatted string. A reply is sent (again a JSON formatted string) of the current DPDK metrics. The telemetry component makes use of the existing rte_metrics library to query values. The values to be transmitted via the telemetry infrastructure must be present in the Metrics library. Currently the ethdev values are pushed to the metrics library, and the queried from there there is an open question on how applications would like this to occur. Currently only ethdev to metrics functionality is implemented, however other subsystems like crypto, eventdev, keepalive etc can use similar mechanisms. Exposing DPDK Telemetry via a socket interface enables service assurance agents like collectd to consume data from DPDK. This is vital for monitoring, fault-detection, and error reporting. A collectd plugin has been created to interact with the DPDK Telemetry component, showing how it can be used in practice. The collectd plugin will be upstreamed to collectd at a later stage. A small python script is provided in ./usertools/telemetry_client.py to quick-start using DPDK Telemetry. Note: Despite opterr being set to 0, --telemetry said to be 'unrecognized' as a startup print. This is a cosmetic issue and will be addressed in the future. --- v2: - Reworked telemetry as part of EAL instead of using vdev (Gaetan) - Refactored rte_telemetry_command (Gaetan) - Added MAINTAINERS file entry (Stephen) - Updated docs to reflect vdev to eal rework - Removed collectd patch from patchset (Thomas) - General code clean up from v1 feedback v3: - Reworked registering with eal and moved to rte_param (Gaetan) - Added BSD implementation for rte_param (Gaetan) - Updated the paths to align with the new runtime file location (Mattias) - Fixed pointer checks to align with the coding style 1.8.1 (Mattias) - Added missing decref's and close's (Mattias) - Fixed runtime issue in Meson (was not recognising flag due to linking) - More general clean up Ciara Power, Brian Archbold and Kevin Laatz (10): telemetry: initial telemetry infrastructure telemetry: add initial connection socket telemetry: add client feature and sockets telemetry: add parser for client socket messages telemetry: update metrics before sending stats telemetry: format json response when sending stats telemetry: add tests for telemetry api telemetry: add ability to disable selftest doc: add telemetry documentation usertools: add client python script for telemetry Kevin Laatz (2): eal: add param register infrastructure build: add dependency on telemetry to apps in meson MAINTAINERS | 5 + app/meson.build | 4 +- app/pdump/meson.build | 2 +- app/proc-info/meson.build | 2 +- app/test-bbdev/meson.build | 2 +- app/test-crypto-perf/meson.build | 2 +- app/test-pmd/meson.build | 2 +- config/common_base | 5 + config/meson.build | 3 + doc/guides/howto/index.rst | 1 + doc/guides/howto/telemetry.rst | 85 + lib/Makefile | 2 + lib/librte_eal/bsdapp/eal/Makefile | 1 + lib/librte_eal/bsdapp/eal/eal.c | 18 +- lib/librte_eal/common/Makefile | 1 + lib/librte_eal/common/include/rte_param.h | 64 + lib/librte_eal/common/meson.build | 2 + lib/librte_eal/common/rte_param.c | 44 + lib/librte_eal/linuxapp/eal/Makefile | 1 + lib/librte_eal/linuxapp/eal/eal.c | 18 +- lib/librte_eal/rte_eal_version.map | 1 + lib/librte_telemetry/Makefile | 30 + lib/librte_telemetry/meson.build | 9 + lib/librte_telemetry/rte_telemetry.c | 1803 +++++++++++++++++++++ lib/librte_telemetry/rte_telemetry.h | 48 + lib/librte_telemetry/rte_telemetry_internal.h | 81 + lib/librte_telemetry/rte_telemetry_parser.c | 586 +++++++ lib/librte_telemetry/rte_telemetry_parser.h | 13 + lib/librte_telemetry/rte_telemetry_parser_test.c | 534 ++++++ lib/librte_telemetry/rte_telemetry_parser_test.h | 39 + lib/librte_telemetry/rte_telemetry_socket_tests.h | 36 + lib/librte_telemetry/rte_telemetry_version.map | 7 + lib/meson.build | 3 +- meson.build | 1 + mk/rte.app.mk | 1 + usertools/dpdk-telemetry-client.py | 116 ++ 36 files changed, 3562 insertions(+), 10 deletions(-) create mode 100644 doc/guides/howto/telemetry.rst create mode 100644 lib/librte_eal/common/include/rte_param.h create mode 100644 lib/librte_eal/common/rte_param.c create mode 100644 lib/librte_telemetry/Makefile create mode 100644 lib/librte_telemetry/meson.build create mode 100644 lib/librte_telemetry/rte_telemetry.c create mode 100644 lib/librte_telemetry/rte_telemetry.h create mode 100644 lib/librte_telemetry/rte_telemetry_internal.h create mode 100644 lib/librte_telemetry/rte_telemetry_parser.c create mode 100644 lib/librte_telemetry/rte_telemetry_parser.h create mode 100644 lib/librte_telemetry/rte_telemetry_parser_test.c create mode 100644 lib/librte_telemetry/rte_telemetry_parser_test.h create mode 100644 lib/librte_telemetry/rte_telemetry_socket_tests.h create mode 100644 lib/librte_telemetry/rte_telemetry_version.map create mode 100644 usertools/dpdk-telemetry-client.py