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/* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Do a basic test to see if native frames are being collected for stackwalking. This
* test is fairly naive, as it does not attempt to check that these are valid symbols,
* only that some kind of stack walking is happening. It does this by making sure at
* least two native frames are collected.
*/
add_task(async () => {
const entries = 10000;
const interval = 1;
const threads = [];
const features = ["stackwalk"];
await Services.profiler.StartProfiler(entries, interval, features, threads);
const sampleIndex = await captureAtLeastOneJsSample();
const profile = await stopNowAndGetProfile();
const [thread] = profile.threads;
const { samples } = thread;
const inflatedStackFrames = getInflatedStackLocations(
thread,
samples.data[sampleIndex]
);
const nativeStack = /^0x[0-9a-f]+$/;
expectStackToContain(
inflatedStackFrames,
[
"(root)",
// There are probably more native stacks here.
nativeStack,
nativeStack,
// Since this is an xpcshell test we know that JavaScript will run:
"js::RunScript",
// There are probably more native stacks here.
nativeStack,
nativeStack,
],
"Expected native stacks to be interleaved between some frame labels. There should" +
"be more than one native stack if stack walking is working correctly. There " +
"is no attempt here to determine if the memory addresses point to the correct " +
"symbols"
);
});
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