Files
rocm-systems/test/ext-plugins/tests/conftest.py
T
Kapil S. Pawar c8da880dc7 Added Functional Tests for CSV Tuner Plugin (#1968)
* Add functional tests for CSV Tuner Plugin

* Updated directory structure

* Updated and renamed directories

* Updated csv conf files

* Updated readme

* Updated readme

* Updated readme
2025-11-11 10:11:19 -06:00

109 rindas
4.1 KiB
Python

# *************************************************************************
# * Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
# *
# * See LICENSE.txt for license information
# ************************************************************************
import os
import pytest
import subprocess
import re
from types import SimpleNamespace
WORKDIR = os.getcwd()
RCCL_INSTALL_DIR = "path/to/rccl"
OMPI_INSTALL_DIR = "path/to/ompi/install"
RCCL_TESTS_DIR = "path/to/rccl-tests"
# Plugin Paths
PLUGIN_DIR = f"{RCCL_INSTALL_DIR}/ext-tuner/example"
PLUGIN_SO = f"{PLUGIN_DIR}/libnccl-tuner-example.so"
# CSV Configs
VALID_CONFIG_WITH_WILDCARDS = os.path.join(WORKDIR, "assets/csv_confs/valid_config_with_wildcards.conf")
VALID_CONFIG_WITHOUT_WILDCARDS = os.path.join(WORKDIR, "assets/csv_confs/valid_config_without_wildcards.conf")
NO_MATCHING_CONFIG = os.path.join(WORKDIR, "assets/csv_confs/no_matching_config.conf")
INCORRECT_VALUES_CONFIG = os.path.join(WORKDIR, "assets/csv_confs/incorrect_values_config.conf")
UNSUPPORTED_ALGO_PROTO_CONFIG = os.path.join(WORKDIR, "assets/csv_confs/unsupported_algo_proto_config.conf")
SINGLENODE_CONFIG = os.path.join(WORKDIR, "assets/csv_confs/singlenode_config.conf")
MULTINODE_CONFIG = os.path.join(WORKDIR, "assets/csv_confs/multinode_config.conf")
LOGDIR = os.path.join(WORKDIR, "logs")
os.makedirs(LOGDIR, exist_ok=True)
# Helper Functions
def get_avg_bus_bandwidth(log_content: str):
"""Extract average bus bandwidth from RCCL test log"""
pattern = r'#\s*Avg bus bandwidth\s*:\s*([\d.]+)'
match = re.search(pattern, log_content, re.IGNORECASE)
return float(match.group(1)) if match else None
def check_node_interface(node: str, interface: str) -> bool:
"""Check if a node has the specified interface with an IP address"""
try:
cmd = ["ssh", "-o", "ConnectTimeout=5", "-o", "StrictHostKeyChecking=no",
node, f"ip addr show {interface} | grep 'inet ' | wc -l"]
result = subprocess.run(cmd, capture_output=True, text=True, timeout=10)
return result.returncode == 0 and int(result.stdout.strip()) > 0
except (subprocess.CalledProcessError, subprocess.TimeoutExpired, ValueError):
return False
def find_common_interface(nodelist):
"""Find a common network interface across all nodes"""
interfaces_to_check = ["eth0", "eth1"]
for interface in interfaces_to_check:
all_nodes_have_interface = True
for node in nodelist:
if not check_node_interface(node, interface):
all_nodes_have_interface = False
break
if all_nodes_have_interface:
return interface
return None
def get_available_nodes():
"""Get available nodes from SLURM environment"""
try:
# Get available nodes
result = subprocess.run(
["scontrol", "show", "hostnames"],
capture_output=True,
text=True,
check=True
)
nodelist = result.stdout.strip().split('\n')
nodelist = [node.strip() for node in nodelist if node.strip()]
return nodelist
except (subprocess.CalledProcessError, FileNotFoundError):
return []
# Pytest Fixture
@pytest.fixture(scope="session")
def paths():
return SimpleNamespace(
# Paths
WORKDIR=WORKDIR,
RCCL_INSTALL_DIR=RCCL_INSTALL_DIR,
OMPI_INSTALL_DIR=OMPI_INSTALL_DIR,
PLUGIN_DIR=PLUGIN_DIR,
PLUGIN_SO=PLUGIN_SO,
RCCL_TESTS_DIR=RCCL_TESTS_DIR,
# CSV Configs
VALID_CONFIG_WITH_WILDCARDS=VALID_CONFIG_WITH_WILDCARDS,
VALID_CONFIG_WITHOUT_WILDCARDS=VALID_CONFIG_WITHOUT_WILDCARDS,
NO_MATCHING_CONFIG=NO_MATCHING_CONFIG,
INCORRECT_VALUES_CONFIG=INCORRECT_VALUES_CONFIG,
UNSUPPORTED_ALGO_PROTO_CONFIG=UNSUPPORTED_ALGO_PROTO_CONFIG,
SINGLENODE_CONFIG=SINGLENODE_CONFIG,
MULTINODE_CONFIG=MULTINODE_CONFIG,
LOGDIR=LOGDIR,
# Helper Functions
get_avg_bus_bandwidth=get_avg_bus_bandwidth,
check_node_interface=check_node_interface,
find_common_interface=find_common_interface,
get_available_nodes=get_available_nodes,
)