tools/profiler/tests/test_enterjit_osr_enabling.js

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 function run_test() {
michael@0 2 let p = Cc["@mozilla.org/tools/profiler;1"];
michael@0 3 // Just skip the test if the profiler component isn't present.
michael@0 4 if (!p)
michael@0 5 return;
michael@0 6 p = p.getService(Ci.nsIProfiler);
michael@0 7 if (!p)
michael@0 8 return;
michael@0 9
michael@0 10 do_check_true(!p.IsActive());
michael@0 11
michael@0 12 // The function is entered with the profiler disabled.
michael@0 13 (function (){
michael@0 14 p.StartProfiler(100, 10, ["js"], 1);
michael@0 15 let n = 10000;
michael@0 16 while (--n); // OSR happens here with the profiler enabled.
michael@0 17 // An assertion will fail when this function returns, if the
michael@0 18 // SPS stack was misbalanced.
michael@0 19 })();
michael@0 20 p.StopProfiler();
michael@0 21 }

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