Bug 116960 – [GTK] perf/adding-radio-buttons.html is flaky

• Status: RESOLVED
• Resolution: FIXED
• Component: WebKitGTK

[Zan Dobersek]

The perf/adding-radio-buttons.html layout test intermittently fails.
http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=perf%2Fadd

Here's the diff:

--- /home/slave/webkitgtk/gtk-linux-64-release/build/layout-test-results/perf/adding-radio-buttons-expected.txt
+++ /home/slave/webkitgtk/gtk-linux-64-release/build/layout-test-results/perf/adding-radio-buttons-actual.txt
@@ -1,3 +1,50 @@
 Tests that adding a radio button to a radio button group is linear in the number of radio buttons.
-PASS
+FAIL: got >=O(n^2) expected O(n)
 
+DEBUG LOG:
+run iteration. magnitude 2 jsObjectCountBefore 2662 jsObjectCountAfter 2799
+run iteration. magnitude 4 jsObjectCountBefore 2799 jsObjectCountAfter 2827
+run iteration. magnitude 8 jsObjectCountBefore 2827 jsObjectCountAfter 2832
+run iteration. magnitude 16 jsObjectCountBefore 2832 jsObjectCountAfter 2839
+run iteration. magnitude 32 jsObjectCountBefore 2839 jsObjectCountAfter 2845
+run iteration. magnitude 64 jsObjectCountBefore 2845 jsObjectCountAfter 2852
+run iteration. magnitude 128 jsObjectCountBefore 2852 jsObjectCountAfter 2861
+run iteration. magnitude 256 jsObjectCountBefore 2861 jsObjectCountAfter 2867
+magnitudes: 2,4,8,16,32,64,128,256
+iterations: 109,111,108,105,98,87,83,76
+numPoints 8 slope 0.0004131899402469281 intercept 0.23575542797433968 rSquared 0.8812029101681681
+numPoints 8 slope 0.021668872224935055 intercept 0.19450755706625783 rSquared 0.891320923263656
+numPoints 8 slope 0.08064342317671971 intercept -1.5998415022361185 rSquared 0.9056079691265866
+rSquared 0.8812029101681681 rSquaredXLog 0.891320923263656 rSquaredXYLog 0.9056079691265866
+numTriesLeft: 2
+run iteration. magnitude 2 jsObjectCountBefore 2867 jsObjectCountAfter 2934
+run iteration. magnitude 4 jsObjectCountBefore 2934 jsObjectCountAfter 2941
+run iteration. magnitude 8 jsObjectCountBefore 2941 jsObjectCountAfter 2946
+run iteration. magnitude 16 jsObjectCountBefore 2946 jsObjectCountAfter 2954
+run iteration. magnitude 32 jsObjectCountBefore 2954 jsObjectCountAfter 2960
+run iteration. magnitude 64 jsObjectCountBefore 2960 jsObjectCountAfter 2968
+run iteration. magnitude 128 jsObjectCountBefore 2968 jsObjectCountAfter 2975
+run iteration. magnitude 256 jsObjectCountBefore 2975 jsObjectCountAfter 2981
+magnitudes: 2,4,8,16,32,64,128,256
+iterations: 112,111,109,104,97,87,82,76
+numPoints 8 slope 0.0004230490476228308 intercept 0.23516757600064098 rSquared 0.863575349925207
+numPoints 8 slope 0.02283818214222452 intercept 0.19090095576210805 rSquared 0.9256075716827307
+numPoints 8 slope 0.08543524442496182 intercept -1.6153405120388653 rSquared 0.9411216405464253
+rSquared 0.863575349925207 rSquaredXLog 0.9256075716827307 rSquaredXYLog 0.9411216405464253
+numTriesLeft: 1
+run iteration. magnitude 2 jsObjectCountBefore 2981 jsObjectCountAfter 3028
+run iteration. magnitude 4 jsObjectCountBefore 3028 jsObjectCountAfter 3035
+run iteration. magnitude 8 jsObjectCountBefore 3035 jsObjectCountAfter 3040
+run iteration. magnitude 16 jsObjectCountBefore 3040 jsObjectCountAfter 3057
+run iteration. magnitude 32 jsObjectCountBefore 3057 jsObjectCountAfter 3067
+run iteration. magnitude 64 jsObjectCountBefore 3067 jsObjectCountAfter 3074
+run iteration. magnitude 128 jsObjectCountBefore 3074 jsObjectCountAfter 3080
+run iteration. magnitude 256 jsObjectCountBefore 3080 jsObjectCountAfter 3088
+magnitudes: 2,4,8,16,32,64,128,256
+iterations: 111,110,105,105,97,87,82,75
+numPoints 8 slope 0.00042703854015870154 intercept 0.23677480449040988 rSquared 0.8888130063712824
+numPoints 8 slope 0.02253701483054877 intercept 0.1937019041293806 rSquared 0.9104457621210975
+numPoints 8 slope 0.08341020852909087 intercept -1.6016388697274442 rSquared 0.9289599140622644
+rSquared 0.8888130063712824 rSquaredXLog 0.9104457621210975 rSquaredXYLog 0.9289599140622644
+
+

[Diego Pino]

The test or tests filed under this bug are not failing anymore. Test expectations updated in https://commits.webkit.org/258724@main.