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d612ed2cae
- Get the previous benchmark results from artifact store S3 bucket - Compare the current benchmark to the previous results - Attach markdown table comparing results to the workflow output - Update benchmarks in bucket if running on main - Generate graphs from comparison - Document continous benchmarking
85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
"""Parse the fio logs.
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Extracts the bandwidth for I/O,
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from various fio benchmarks.
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Example log file (extracting read and write bandwidth):
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...
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Run status group 0 (all jobs):
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READ: bw=5311KiB/s (5438kB/s), 5311KiB/s-5311KiB/s (5438kB/s-5438kB/s), io=311MiB (327MB), run=60058-60058msec
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WRITE: bw=2289KiB/s (2343kB/s), 2289KiB/s-2289KiB/s (2343kB/s-2343kB/s), io=134MiB (141MB), run=60058-60058msec
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...
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"""
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import os
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import re
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from pathlib import Path
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from typing import Dict
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# get different mixes of read/write IO as subtests
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subtests = {
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'fio_root_async_R70W30': 'fio_async_randR70W30.out',
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'fio_root_async_R100W0': 'fio_async_randR100W0.out',
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'fio_root_async_R0W100': 'fio_async_randR0W100.out',
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}
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def evaluate(tests: Dict[str, str]) -> Dict[str, Dict[str, float]]:
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"""Read the results of the fio tests.
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Return a result dictionary.
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"""
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result = {}
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for t in tests:
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base_path = os.path.join(tests[t], 'dp_fio')
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row = {}
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for subtest in subtests:
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try:
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log_path = next(Path(base_path).rglob(subtests[subtest]))
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except StopIteration:
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raise Exception(
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"Error: No iperfclient.out found for network test {subtest} in {base_path}".format(
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subtest=subtest, base_path=base_path)
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)
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with open(log_path) as f:
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fio = f.readlines()
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if not fio:
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raise Exception(
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"Empty fio log {subtest}?".format(subtest=subtest))
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for line in fio:
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if "READ" in line:
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speed = get_io_bw_from_line(line)
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row[subtest + '_R'] = speed
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elif "WRITE" in line:
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speed = get_io_bw_from_line(line)
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row[subtest + '_W'] = speed
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result[t] = row
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return result
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# Dictionary for conversion to MiB
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units = {
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'KiB': 1/1024,
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'MiB': 1,
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'GiB': 1024,
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}
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def get_io_bw_from_line(line) -> float:
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"""Get the IO bandwidth from line and convert to MiB/s.
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Return the IO bandwidth in MiB/s
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"""
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# READ: bw=32.5MiB/s (34.1MB/s), 32.5MiB/s-32.5MiB/s (34.1MB/s-34.1MB/s), io=1954MiB (2048MB), run=60022-60022msec
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match = re.search(r'bw=(\d+\.?\d+)(MiB|KiB|GiB)', line)
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if not match:
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raise Exception("Could not extract bw from fio line.")
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num = float(match.group(1))
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# return in MiB/s with 2 decimal digits
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num = num * units[match.group(2)]
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num = round(num, 2)
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return num
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