tools/profiler/tests/test_enterjit_osr_disabling.js@6474c204b198 (annotated)
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.
| 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 | p.StartProfiler(100, 10, ["js"], 1); |
| michael@0 | 13 | // The function is entered with the profiler enabled |
| michael@0 | 14 | (function (){ |
| michael@0 | 15 | p.StopProfiler(); |
| michael@0 | 16 | let n = 10000; |
| michael@0 | 17 | while (--n); // OSR happens here with the profiler disabled. |
| michael@0 | 18 | // An assertion will fail when this function returns, if the |
| michael@0 | 19 | // SPS stack was misbalanced. |
| michael@0 | 20 | })(); |
| michael@0 | 21 | } |
