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Test Info: Warnings
- This test gets skipped with pattern: tsan
- Manifest: tools/profiler/tests/xpcshell/xpcshell.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
add_task(async () => {
info(
"Checking that the profiler can fetch the information about the active " +
"configuration that is being used to power the profiler."
);
equal(
Services.profiler.activeConfiguration,
null,
"When the profile is off, there is no active configuration."
);
{
info("Start the profiler.");
const entries = 10000;
const interval = 1;
const threads = ["GeckoMain"];
const features = ["js"];
const activeTabID = 123;
await Services.profiler.StartProfiler(
entries,
interval,
features,
threads,
activeTabID
);
info("Generate the activeConfiguration.");
const { activeConfiguration } = Services.profiler;
const expectedConfiguration = {
interval,
threads,
features,
activeTabID,
// The buffer is created as a power of two that can fit all of the entires
// into it. If the ratio of entries to buffer size ever changes, this setting
// will need to be updated.
capacity: Math.pow(2, 14),
};
deepEqual(
activeConfiguration,
expectedConfiguration,
"The active configuration matches configuration given."
);
info("Get the profile.");
const profile = Services.profiler.getProfileData();
deepEqual(
profile.meta.configuration,
expectedConfiguration,
"The configuration also matches on the profile meta object."
);
}
{
const entries = 20000;
const interval = 0.5;
const threads = ["GeckoMain", "DOM Worker"];
const features = [];
const activeTabID = 111;
const duration = 20;
info("Restart the profiler with a new configuration.");
await Services.profiler.StartProfiler(
entries,
interval,
features,
threads,
activeTabID,
// Also start it with duration, this property is optional.
duration
);
info("Generate the activeConfiguration.");
const { activeConfiguration } = Services.profiler;
const expectedConfiguration = {
interval,
threads,
features,
activeTabID,
duration,
// The buffer is created as a power of two that can fit all of the entires
// into it. If the ratio of entries to buffer size ever changes, this setting
// will need to be updated.
capacity: Math.pow(2, 15),
};
deepEqual(
activeConfiguration,
expectedConfiguration,
"The active configuration matches the new configuration."
);
info("Get the profile.");
const profile = Services.profiler.getProfileData();
deepEqual(
profile.meta.configuration,
expectedConfiguration,
"The configuration also matches on the profile meta object."
);
}
await Services.profiler.StopProfiler();
equal(
Services.profiler.activeConfiguration,
null,
"When the profile is off, there is no active configuration."
);
});