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#!/usr/bin/env python
#
# Glances - An eye on your system
#
# SPDX-FileCopyrightText: 2024 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""Glances unitary tests suite for Glances perf."""
from glances.timer import Timer
def test_perf_update(glances_stats):
"""
Test Glances perf.
"""
test_duration = 12 # seconds
perf_timer = Timer(test_duration)
counter = 0
from_cache = 0
from_update = 0
previous_interrupts_gauge = None
while not perf_timer.finished():
glances_stats.update()
# interrupts_gauge should always increase
interrupts_gauge = glances_stats.get_plugin('cpu').get_raw().get('interrupts_gauge')
if interrupts_gauge is not None:
if interrupts_gauge == previous_interrupts_gauge:
from_cache += 1
else:
from_update += 1
previous_interrupts_gauge = interrupts_gauge
counter += 1
print(f"{counter} iterations. From cache: {from_cache} | From update: {from_update}")
assert counter > test_duration
assert from_update < from_cache
assert from_cache >= test_duration * 2
assert from_update >= (test_duration / 2) - 1
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