tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_utility_profiler.js (2066B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 * http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 const { ProfilerTestUtils } = ChromeUtils.importESModule(
      7  "resource://testing-common/ProfilerTestUtils.sys.mjs"
      8 );
      9 
     10 // When running full suite, previous tests may have left some utility
     11 // processes running and this might interfere with our testing.
     12 add_setup(async function ensureNoExistingProcess() {
     13  await killUtilityProcesses();
     14 });
     15 
     16 add_task(async () => {
     17  const utilityPid = await startUtilityProcess();
     18 
     19  info("Start the profiler");
     20  await ProfilerTestUtils.startProfiler();
     21 
     22  let profile;
     23  await TestUtils.waitForCondition(async () => {
     24    profile = await Services.profiler.getProfileDataAsync();
     25    return (
     26      // Search for process name to not be disturbed by other types of utility
     27      // e.g. Utility AudioDecoder
     28      profile.processes.filter(
     29        ps => ps.threads[0].processName === "Utility Process"
     30      ).length === 1
     31    );
     32  }, "Give time for the profiler to start and collect some samples");
     33 
     34  info(`Check that the utility process ${utilityPid} is present.`);
     35  let utilityProcessIndex = profile.processes.findIndex(
     36    p => p.threads[0].pid == utilityPid
     37  );
     38  Assert.notEqual(utilityProcessIndex, -1, "Could find index of utility");
     39 
     40  Assert.equal(
     41    profile.processes[utilityProcessIndex].threads[0].processType,
     42    "utility",
     43    "Profile has processType utility"
     44  );
     45 
     46  Assert.equal(
     47    profile.processes[utilityProcessIndex].threads[0].name,
     48    "GeckoMain",
     49    "Profile has correct main thread name"
     50  );
     51 
     52  Assert.equal(
     53    profile.processes[utilityProcessIndex].threads[0].processName,
     54    "Utility Process",
     55    "Profile has correct process name"
     56  );
     57 
     58  Assert.greater(
     59    profile.processes[utilityProcessIndex].threads.length,
     60    0,
     61    "The utility process should have threads"
     62  );
     63 
     64  Assert.equal(
     65    profile.threads.length,
     66    1,
     67    "The parent process should have only one thread"
     68  );
     69 
     70  Services.profiler.StopProfiler();
     71 
     72  await cleanUtilityProcessShutdown();
     73 });