tools/profiler/tests/test_enterjit_osr_enabling.js

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1 function run_test() {
2 let p = Cc["@mozilla.org/tools/profiler;1"];
3 // Just skip the test if the profiler component isn't present.
4 if (!p)
5 return;
6 p = p.getService(Ci.nsIProfiler);
7 if (!p)
8 return;
9
10 do_check_true(!p.IsActive());
11
12 // The function is entered with the profiler disabled.
13 (function (){
14 p.StartProfiler(100, 10, ["js"], 1);
15 let n = 10000;
16 while (--n); // OSR happens here with the profiler enabled.
17 // An assertion will fail when this function returns, if the
18 // SPS stack was misbalanced.
19 })();
20 p.StopProfiler();
21 }

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