gecko/tools/profiler/tests/test_enterjit_osr_enabling.js

22 lines
573 B
JavaScript

function run_test() {
let p = Cc["@mozilla.org/tools/profiler;1"];
// Just skip the test if the profiler component isn't present.
if (!p)
return;
p = p.getService(Ci.nsIProfiler);
if (!p)
return;
do_check_true(!p.IsActive());
// The function is entered with the profiler disabled.
(function (){
p.StartProfiler(100, 10, ["js"], 1);
let n = 10000;
while (--n); // OSR happens here with the profiler enabled.
// An assertion will fail when this function returns, if the
// SPS stack was misbalanced.
})();
p.StopProfiler();
}