tools/profiler/tests/test_enterjit_osr_disabling.js@6474c204b198
tools/profiler/tests/test_enterjit_osr_disabling.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
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;
10 do_check_true(!p.IsActive());
12 p.StartProfiler(100, 10, ["js"], 1);
13 // The function is entered with the profiler enabled
14 (function (){
15 p.StopProfiler();
16 let n = 10000;
17 while (--n); // OSR happens here with the profiler disabled.
18 // An assertion will fail when this function returns, if the
19 // SPS stack was misbalanced.
20 })();
21 }
