Bug 126523 – [GTK] perf/accessibility-title-ui-element.html is flaky

• Component: WebKitGTK
• Status: RESOLVED FIXED

[Zan Dobersek]

Much flaky.
http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=accessibility%2Fmenu-list-sends-change-notification.html

Such diff.
--- /home/slave/webkitgtk/gtk-linux-64-release/build/layout-test-results/perf/accessibility-title-ui-element-expected.txt
+++ /home/slave/webkitgtk/gtk-linux-64-release/build/layout-test-results/perf/accessibility-title-ui-element-actual.txt
@@ -1,3 +1,50 @@
 Tests that titleUIElement on an accessibility element runs in amortized constant time.
-PASS
+FAIL: got O(n) expected O(1)
 
+DEBUG LOG:
+run iteration. magnitude 2 jsObjectCountBefore 3808 jsObjectCountAfter 3999
+run iteration. magnitude 4 jsObjectCountBefore 3999 jsObjectCountAfter 4026
+run iteration. magnitude 8 jsObjectCountBefore 4026 jsObjectCountAfter 4035
+run iteration. magnitude 16 jsObjectCountBefore 4035 jsObjectCountAfter 4042
+run iteration. magnitude 32 jsObjectCountBefore 4042 jsObjectCountAfter 4051
+run iteration. magnitude 64 jsObjectCountBefore 4051 jsObjectCountAfter 4057
+run iteration. magnitude 128 jsObjectCountBefore 4057 jsObjectCountAfter 4065
+run iteration. magnitude 256 jsObjectCountBefore 4065 jsObjectCountAfter 4072
+magnitudes: 2,4,8,16,32,64,128,256
+iterations: 11,11,11,11,11,11,11,11
+numPoints 8 slope -4.144050219952286e-18 intercept 2.2727272727272734 rSquared Infinity
+numPoints 8 slope 0 intercept 2.272727272727273 rSquared 0
+numPoints 8 slope 0 intercept 0.8209805520698303 rSquared 0
+rSquared Infinity rSquaredXLog 0 rSquaredXYLog 0
+numTriesLeft: 2
+run iteration. magnitude 2 jsObjectCountBefore 4072 jsObjectCountAfter 4137
+run iteration. magnitude 4 jsObjectCountBefore 4137 jsObjectCountAfter 4142
+run iteration. magnitude 8 jsObjectCountBefore 4142 jsObjectCountAfter 4148
+run iteration. magnitude 16 jsObjectCountBefore 4148 jsObjectCountAfter 4155
+run iteration. magnitude 32 jsObjectCountBefore 4155 jsObjectCountAfter 4162
+run iteration. magnitude 64 jsObjectCountBefore 4162 jsObjectCountAfter 4169
+run iteration. magnitude 128 jsObjectCountBefore 4169 jsObjectCountAfter 4176
+run iteration. magnitude 256 jsObjectCountBefore 4176 jsObjectCountAfter 4183
+magnitudes: 2,4,8,16,32,64,128,256
+iterations: 11,11,11,11,11,11,11,11
+numPoints 8 slope -4.144050219952286e-18 intercept 2.2727272727272734 rSquared Infinity
+numPoints 8 slope 0 intercept 2.272727272727273 rSquared 0
+numPoints 8 slope 0 intercept 0.8209805520698303 rSquared 0
+rSquared Infinity rSquaredXLog 0 rSquaredXYLog 0
+numTriesLeft: 1
+run iteration. magnitude 2 jsObjectCountBefore 4183 jsObjectCountAfter 4222
+run iteration. magnitude 4 jsObjectCountBefore 4222 jsObjectCountAfter 4229
+run iteration. magnitude 8 jsObjectCountBefore 4229 jsObjectCountAfter 4235
+run iteration. magnitude 16 jsObjectCountBefore 4235 jsObjectCountAfter 4242
+run iteration. magnitude 32 jsObjectCountBefore 4242 jsObjectCountAfter 4249
+run iteration. magnitude 64 jsObjectCountBefore 4249 jsObjectCountAfter 4256
+run iteration. magnitude 128 jsObjectCountBefore 4256 jsObjectCountAfter 4263
+run iteration. magnitude 256 jsObjectCountBefore 4263 jsObjectCountAfter 4270
+magnitudes: 2,4,8,16,32,64,128,256
+iterations: 11,11,11,11,11,11,11,11
+numPoints 8 slope -4.144050219952286e-18 intercept 2.2727272727272734 rSquared Infinity
+numPoints 8 slope 0 intercept 2.272727272727273 rSquared 0
+numPoints 8 slope 0 intercept 0.8209805520698303 rSquared 0
+rSquared Infinity rSquaredXLog 0 rSquaredXYLog 0
+
+

[Diego Pino]

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