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GET /api/patches/134804/?format=api
{ "id": 134804, "url": "https://patches.dpdk.org/api/patches/134804/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20231204102429.106709-17-juraj.linkes@pantheon.tech/", "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": "<20231204102429.106709-17-juraj.linkes@pantheon.tech>", "list_archive_url": "https://inbox.dpdk.org/dev/20231204102429.106709-17-juraj.linkes@pantheon.tech", "date": "2023-12-04T10:24:24", "name": "[v9,16/21] dts: posix and linux sessions docstring update", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "1b72b647a1475a67ac81b15e877083483a626b55", "submitter": { "id": 1626, "url": "https://patches.dpdk.org/api/people/1626/?format=api", "name": "Juraj Linkeš", "email": "juraj.linkes@pantheon.tech" }, "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/20231204102429.106709-17-juraj.linkes@pantheon.tech/mbox/", "series": [ { "id": 30441, "url": "https://patches.dpdk.org/api/series/30441/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=30441", "date": "2023-12-04T10:24:08", "name": "dts: docstrings update", "version": 9, "mbox": "https://patches.dpdk.org/series/30441/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/134804/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/134804/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 C05C54366A;\n\tMon, 4 Dec 2023 11:26:32 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 7C10842D45;\n\tMon, 4 Dec 2023 11:24:54 +0100 (CET)", "from mail-wm1-f43.google.com (mail-wm1-f43.google.com\n [209.85.128.43]) by mails.dpdk.org (Postfix) with ESMTP id 67FB4427D7\n for <dev@dpdk.org>; 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a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1701685487; x=1702290287;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc\n :subject:date:message-id:reply-to;\n bh=t6KeZaLHiysMT+K7nNxDXG0i4w3eJCHNkMFr/vP4ebc=;\n b=wCXHUEnzfs4lRKUJW31O/lyD8fVmlf4LBHEHJ5K/YA4MWiYTdgkMrZ9lUo/FE5byB2\n H9F5OTy9wkPD37G2s6BR4thcKgBJxEf+wN+YS3yhfeNzsRCAmAptZtMJBprW81uHYblb\n 3/x69DCKImMKG8vuU5jDEYLS9t8OcaJ76smOuG/UP9XccJVGPFQxxBDPnv9H58pLXh6w\n DRrzDVbOXtFRcoBwfMCDc0Qqk83pLJMQ9IQcNV/zI//pFWq3NxxF/Pl1/vnIT4S2Ys1S\n bsi9XFYg+rocZbV7hsK/sy/T6f0SnXKM8wCWB/bk5X49vsA70mNwtbp/Y22tSKoQk9Jw\n Ei7w==", "X-Gm-Message-State": "AOJu0YwYMSiGOiWGZ5TtfVe8/huHym6Q+nBQWhgkOX6KaygT6PjBLlx5\n 0JtjrrFwu2thurFm7FlzinbZDA==", "X-Google-Smtp-Source": "\n AGHT+IEwUS3wQjyd8qDni0zOHLt/lR+xVNcnMUWUwQXc4s5tgL2D/asIJ21xv2rlxu92Fwkn7m6FlA==", "X-Received": "by 2002:a05:600c:4eca:b0:40a:6235:e82d with SMTP id\n g10-20020a05600c4eca00b0040a6235e82dmr2316431wmq.15.1701685487096;\n Mon, 04 Dec 2023 02:24:47 -0800 (PST)", "From": "=?utf-8?q?Juraj_Linke=C5=A1?= <juraj.linkes@pantheon.tech>", "To": "thomas@monjalon.net, Honnappa.Nagarahalli@arm.com, jspewock@iol.unh.edu,\n probb@iol.unh.edu, paul.szczepanek@arm.com, yoan.picchi@foss.arm.com,\n Luca.Vizzarro@arm.com", "Cc": "dev@dpdk.org, =?utf-8?q?Juraj_Linke=C5=A1?= <juraj.linkes@pantheon.tech>", "Subject": "[PATCH v9 16/21] dts: posix and linux sessions docstring update", "Date": "Mon, 4 Dec 2023 11:24:24 +0100", "Message-Id": "<20231204102429.106709-17-juraj.linkes@pantheon.tech>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20231204102429.106709-1-juraj.linkes@pantheon.tech>", "References": "<20231123151344.162812-1-juraj.linkes@pantheon.tech>\n <20231204102429.106709-1-juraj.linkes@pantheon.tech>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "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": "Format according to the Google format and PEP257, with slight\ndeviations.\n\nSigned-off-by: Juraj Linkeš <juraj.linkes@pantheon.tech>\n---\n dts/framework/testbed_model/linux_session.py | 64 +++++++++++-----\n dts/framework/testbed_model/posix_session.py | 81 +++++++++++++++++---\n 2 files changed, 114 insertions(+), 31 deletions(-)", "diff": "diff --git a/dts/framework/testbed_model/linux_session.py b/dts/framework/testbed_model/linux_session.py\nindex 055765ba2d..0ab59cef85 100644\n--- a/dts/framework/testbed_model/linux_session.py\n+++ b/dts/framework/testbed_model/linux_session.py\n@@ -2,6 +2,13 @@\n # Copyright(c) 2023 PANTHEON.tech s.r.o.\n # Copyright(c) 2023 University of New Hampshire\n \n+\"\"\"Linux OS translator.\n+\n+Translate OS-unaware calls into Linux calls/utilities. Most of Linux distributions are mostly\n+compliant with POSIX standards, so this module only implements the parts that aren't.\n+This intermediate module implements the common parts of mostly POSIX compliant distributions.\n+\"\"\"\n+\n import json\n from ipaddress import IPv4Interface, IPv6Interface\n from typing import TypedDict, Union\n@@ -17,43 +24,52 @@\n \n \n class LshwConfigurationOutput(TypedDict):\n+ \"\"\"The relevant parts of ``lshw``'s ``configuration`` section.\"\"\"\n+\n+ #:\n link: str\n \n \n class LshwOutput(TypedDict):\n- \"\"\"\n- A model of the relevant information from json lshw output, e.g.:\n- {\n- ...\n- \"businfo\" : \"pci@0000:08:00.0\",\n- \"logicalname\" : \"enp8s0\",\n- \"version\" : \"00\",\n- \"serial\" : \"52:54:00:59:e1:ac\",\n- ...\n- \"configuration\" : {\n- ...\n- \"link\" : \"yes\",\n- ...\n- },\n- ...\n+ \"\"\"A model of the relevant information from ``lshw``'s json output.\n+\n+ Example:\n+ ::\n+\n+ {\n+ ...\n+ \"businfo\" : \"pci@0000:08:00.0\",\n+ \"logicalname\" : \"enp8s0\",\n+ \"version\" : \"00\",\n+ \"serial\" : \"52:54:00:59:e1:ac\",\n+ ...\n+ \"configuration\" : {\n+ ...\n+ \"link\" : \"yes\",\n+ ...\n+ },\n+ ...\n \"\"\"\n \n+ #:\n businfo: str\n+ #:\n logicalname: NotRequired[str]\n+ #:\n serial: NotRequired[str]\n+ #:\n configuration: LshwConfigurationOutput\n \n \n class LinuxSession(PosixSession):\n- \"\"\"\n- The implementation of non-Posix compliant parts of Linux remote sessions.\n- \"\"\"\n+ \"\"\"The implementation of non-Posix compliant parts of Linux.\"\"\"\n \n @staticmethod\n def _get_privileged_command(command: str) -> str:\n return f\"sudo -- sh -c '{command}'\"\n \n def get_remote_cpus(self, use_first_core: bool) -> list[LogicalCore]:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.get_remote_cpus`.\"\"\"\n cpu_info = self.send_command(\"lscpu -p=CPU,CORE,SOCKET,NODE|grep -v \\\\#\").stdout\n lcores = []\n for cpu_line in cpu_info.splitlines():\n@@ -65,18 +81,20 @@ def get_remote_cpus(self, use_first_core: bool) -> list[LogicalCore]:\n return lcores\n \n def get_dpdk_file_prefix(self, dpdk_prefix: str) -> str:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.get_dpdk_file_prefix`.\"\"\"\n return dpdk_prefix\n \n- def setup_hugepages(self, hugepage_amount: int, force_first_numa: bool) -> None:\n+ def setup_hugepages(self, hugepage_count: int, force_first_numa: bool) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.setup_hugepages`.\"\"\"\n self._logger.info(\"Getting Hugepage information.\")\n hugepage_size = self._get_hugepage_size()\n hugepages_total = self._get_hugepages_total()\n self._numa_nodes = self._get_numa_nodes()\n \n- if force_first_numa or hugepages_total != hugepage_amount:\n+ if force_first_numa or hugepages_total != hugepage_count:\n # when forcing numa, we need to clear existing hugepages regardless\n # of size, so they can be moved to the first numa node\n- self._configure_huge_pages(hugepage_amount, hugepage_size, force_first_numa)\n+ self._configure_huge_pages(hugepage_count, hugepage_size, force_first_numa)\n else:\n self._logger.info(\"Hugepages already configured.\")\n self._mount_huge_pages()\n@@ -132,6 +150,7 @@ def _configure_huge_pages(self, amount: int, size: int, force_first_numa: bool)\n self.send_command(f\"echo {amount} | tee {hugepage_config_path}\", privileged=True)\n \n def update_ports(self, ports: list[Port]) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.update_ports`.\"\"\"\n self._logger.debug(\"Gathering port info.\")\n for port in ports:\n assert port.node == self.name, \"Attempted to gather port info on the wrong node\"\n@@ -161,6 +180,7 @@ def _update_port_attr(self, port: Port, attr_value: str | None, attr_name: str)\n )\n \n def configure_port_state(self, port: Port, enable: bool) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.configure_port_state`.\"\"\"\n state = \"up\" if enable else \"down\"\n self.send_command(f\"ip link set dev {port.logical_name} {state}\", privileged=True)\n \n@@ -170,6 +190,7 @@ def configure_port_ip_address(\n port: Port,\n delete: bool,\n ) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.configure_port_ip_address`.\"\"\"\n command = \"del\" if delete else \"add\"\n self.send_command(\n f\"ip address {command} {address} dev {port.logical_name}\",\n@@ -178,5 +199,6 @@ def configure_port_ip_address(\n )\n \n def configure_ipv4_forwarding(self, enable: bool) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.configure_ipv4_forwarding`.\"\"\"\n state = 1 if enable else 0\n self.send_command(f\"sysctl -w net.ipv4.ip_forward={state}\", privileged=True)\ndiff --git a/dts/framework/testbed_model/posix_session.py b/dts/framework/testbed_model/posix_session.py\nindex 5657cc0bc9..d279bb8b53 100644\n--- a/dts/framework/testbed_model/posix_session.py\n+++ b/dts/framework/testbed_model/posix_session.py\n@@ -2,6 +2,15 @@\n # Copyright(c) 2023 PANTHEON.tech s.r.o.\n # Copyright(c) 2023 University of New Hampshire\n \n+\"\"\"POSIX compliant OS translator.\n+\n+Translates OS-unaware calls into POSIX compliant calls/utilities. POSIX is a set of standards\n+for portability between Unix operating systems which not all Linux distributions\n+(or the tools most frequently bundled with said distributions) adhere to. Most of Linux\n+distributions are mostly compliant though.\n+This intermediate module implements the common parts of mostly POSIX compliant distributions.\n+\"\"\"\n+\n import re\n from collections.abc import Iterable\n from pathlib import PurePath, PurePosixPath\n@@ -15,13 +24,21 @@\n \n \n class PosixSession(OSSession):\n- \"\"\"\n- An intermediary class implementing the Posix compliant parts of\n- Linux and other OS remote sessions.\n- \"\"\"\n+ \"\"\"An intermediary class implementing the POSIX standard.\"\"\"\n \n @staticmethod\n def combine_short_options(**opts: bool) -> str:\n+ \"\"\"Combine shell options into one argument.\n+\n+ These are options such as ``-x``, ``-v``, ``-f`` which are combined into ``-xvf``.\n+\n+ Args:\n+ opts: The keys are option names (usually one letter) and the bool values indicate\n+ whether to include the option in the resulting argument.\n+\n+ Returns:\n+ The options combined into one argument.\n+ \"\"\"\n ret_opts = \"\"\n for opt, include in opts.items():\n if include:\n@@ -33,17 +50,19 @@ def combine_short_options(**opts: bool) -> str:\n return ret_opts\n \n def guess_dpdk_remote_dir(self, remote_dir: str | PurePath) -> PurePosixPath:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.guess_dpdk_remote_dir`.\"\"\"\n remote_guess = self.join_remote_path(remote_dir, \"dpdk-*\")\n result = self.send_command(f\"ls -d {remote_guess} | tail -1\")\n return PurePosixPath(result.stdout)\n \n def get_remote_tmp_dir(self) -> PurePosixPath:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.get_remote_tmp_dir`.\"\"\"\n return PurePosixPath(\"/tmp\")\n \n def get_dpdk_build_env_vars(self, arch: Architecture) -> dict:\n- \"\"\"\n- Create extra environment variables needed for i686 arch build. Get information\n- from the node if needed.\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.get_dpdk_build_env_vars`.\n+\n+ Supported architecture: ``i686``.\n \"\"\"\n env_vars = {}\n if arch == Architecture.i686:\n@@ -63,6 +82,7 @@ def get_dpdk_build_env_vars(self, arch: Architecture) -> dict:\n return env_vars\n \n def join_remote_path(self, *args: str | PurePath) -> PurePosixPath:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.join_remote_path`.\"\"\"\n return PurePosixPath(*args)\n \n def copy_from(\n@@ -70,6 +90,7 @@ def copy_from(\n source_file: str | PurePath,\n destination_file: str | PurePath,\n ) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.copy_from`.\"\"\"\n self.remote_session.copy_from(source_file, destination_file)\n \n def copy_to(\n@@ -77,6 +98,7 @@ def copy_to(\n source_file: str | PurePath,\n destination_file: str | PurePath,\n ) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.copy_to`.\"\"\"\n self.remote_session.copy_to(source_file, destination_file)\n \n def remove_remote_dir(\n@@ -85,6 +107,7 @@ def remove_remote_dir(\n recursive: bool = True,\n force: bool = True,\n ) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.remove_remote_dir`.\"\"\"\n opts = PosixSession.combine_short_options(r=recursive, f=force)\n self.send_command(f\"rm{opts} {remote_dir_path}\")\n \n@@ -93,6 +116,7 @@ def extract_remote_tarball(\n remote_tarball_path: str | PurePath,\n expected_dir: str | PurePath | None = None,\n ) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.extract_remote_tarball`.\"\"\"\n self.send_command(\n f\"tar xfm {remote_tarball_path} -C {PurePosixPath(remote_tarball_path).parent}\",\n 60,\n@@ -109,6 +133,7 @@ def build_dpdk(\n rebuild: bool = False,\n timeout: float = SETTINGS.compile_timeout,\n ) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.build_dpdk`.\"\"\"\n try:\n if rebuild:\n # reconfigure, then build\n@@ -138,10 +163,12 @@ def build_dpdk(\n raise DPDKBuildError(f\"DPDK build failed when doing '{e.command}'.\")\n \n def get_dpdk_version(self, build_dir: str | PurePath) -> str:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.get_dpdk_version`.\"\"\"\n out = self.send_command(f\"cat {self.join_remote_path(build_dir, 'VERSION')}\", verify=True)\n return out.stdout\n \n def kill_cleanup_dpdk_apps(self, dpdk_prefix_list: Iterable[str]) -> None:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.kill_cleanup_dpdk_apps`.\"\"\"\n self._logger.info(\"Cleaning up DPDK apps.\")\n dpdk_runtime_dirs = self._get_dpdk_runtime_dirs(dpdk_prefix_list)\n if dpdk_runtime_dirs:\n@@ -153,6 +180,14 @@ def kill_cleanup_dpdk_apps(self, dpdk_prefix_list: Iterable[str]) -> None:\n self._remove_dpdk_runtime_dirs(dpdk_runtime_dirs)\n \n def _get_dpdk_runtime_dirs(self, dpdk_prefix_list: Iterable[str]) -> list[PurePosixPath]:\n+ \"\"\"Find runtime directories DPDK apps are currently using.\n+\n+ Args:\n+ dpdk_prefix_list: The prefixes DPDK apps were started with.\n+\n+ Returns:\n+ The paths of DPDK apps' runtime dirs.\n+ \"\"\"\n prefix = PurePosixPath(\"/var\", \"run\", \"dpdk\")\n if not dpdk_prefix_list:\n remote_prefixes = self._list_remote_dirs(prefix)\n@@ -164,9 +199,13 @@ def _get_dpdk_runtime_dirs(self, dpdk_prefix_list: Iterable[str]) -> list[PurePo\n return [PurePosixPath(prefix, dpdk_prefix) for dpdk_prefix in dpdk_prefix_list]\n \n def _list_remote_dirs(self, remote_path: str | PurePath) -> list[str] | None:\n- \"\"\"\n- Return a list of directories of the remote_dir.\n- If remote_path doesn't exist, return None.\n+ \"\"\"Contents of remote_path.\n+\n+ Args:\n+ remote_path: List the contents of this path.\n+\n+ Returns:\n+ The contents of remote_path. If remote_path doesn't exist, return None.\n \"\"\"\n out = self.send_command(f\"ls -l {remote_path} | awk '/^d/ {{print $NF}}'\").stdout\n if \"No such file or directory\" in out:\n@@ -175,6 +214,17 @@ def _list_remote_dirs(self, remote_path: str | PurePath) -> list[str] | None:\n return out.splitlines()\n \n def _get_dpdk_pids(self, dpdk_runtime_dirs: Iterable[str | PurePath]) -> list[int]:\n+ \"\"\"Find PIDs of running DPDK apps.\n+\n+ Look at each \"config\" file found in dpdk_runtime_dirs and find the PIDs of processes\n+ that opened those file.\n+\n+ Args:\n+ dpdk_runtime_dirs: The paths of DPDK apps' runtime dirs.\n+\n+ Returns:\n+ The PIDs of running DPDK apps.\n+ \"\"\"\n pids = []\n pid_regex = r\"p(\\d+)\"\n for dpdk_runtime_dir in dpdk_runtime_dirs:\n@@ -193,6 +243,14 @@ def _remote_files_exists(self, remote_path: PurePath) -> bool:\n return not result.return_code\n \n def _check_dpdk_hugepages(self, dpdk_runtime_dirs: Iterable[str | PurePath]) -> None:\n+ \"\"\"Check there aren't any leftover hugepages.\n+\n+ If any hugepages are found, emit a warning. The hugepages are investigated in the\n+ \"hugepage_info\" file of dpdk_runtime_dirs.\n+\n+ Args:\n+ dpdk_runtime_dirs: The paths of DPDK apps' runtime dirs.\n+ \"\"\"\n for dpdk_runtime_dir in dpdk_runtime_dirs:\n hugepage_info = PurePosixPath(dpdk_runtime_dir, \"hugepage_info\")\n if self._remote_files_exists(hugepage_info):\n@@ -208,9 +266,11 @@ def _remove_dpdk_runtime_dirs(self, dpdk_runtime_dirs: Iterable[str | PurePath])\n self.remove_remote_dir(dpdk_runtime_dir)\n \n def get_dpdk_file_prefix(self, dpdk_prefix: str) -> str:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.get_dpdk_file_prefix`.\"\"\"\n return \"\"\n \n def get_compiler_version(self, compiler_name: str) -> str:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.get_compiler_version`.\"\"\"\n match compiler_name:\n case \"gcc\":\n return self.send_command(\n@@ -228,6 +288,7 @@ def get_compiler_version(self, compiler_name: str) -> str:\n raise ValueError(f\"Unknown compiler {compiler_name}\")\n \n def get_node_info(self) -> NodeInfo:\n+ \"\"\"Overrides :meth:`~.os_session.OSSession.get_node_info`.\"\"\"\n os_release_info = self.send_command(\n \"awk -F= '$1 ~ /^NAME$|^VERSION$/ {print $2}' /etc/os-release\",\n SETTINGS.timeout,\n", "prefixes": [ "v9", "16/21" ] }