Firefox OS/Performance/Boot Sequence Optimization: Difference between revisions

Firefox OS/Performance/Boot Sequence Optimization (view source)

1,264 bytes added , 10 June 2014

Confirmed users

125

edits

@@ Line 77: / Line 77: @@
 For this and future data collection, at least 30 trials will be recorded. Also in the root directory there are a few randomly selected trials for which charts were generated for quick reference.
-A rough idea of what we are seeing currently, as well as empirical hypotheses:
+A rough idea of what we are seeing currently, as well as empirical hypotheses (Have i found my 5 seconds yet?):
+* B2G starts after roughly 8s of "stuff"
+* It has been noted that time between 5s and 8s is likely script execution up 'till `start main`
+* Vertical comes up around 16s, although I feel like some time as been lost... (by stopwatch it seems longer than that)
+* As well it seems init is only really alive at 4 seconds anyway (based on inserted kernel log output)
+* As such it is likely that
+** 3.5s = bootloader + kernel
+**   0s = kernel timing initialized
+**~4.5s = init main
+** 7~8s = B2G
+** ~14s = (Nuwa)
+** ~16s = Vertical
+Of course, more concrete data will be explored later, but that is the general gist of th
 ==References==
 [https://developer.mozilla.org/en-US/Firefox_OS/Platform/Architecture#Firefox_OS_bootup_procedure Firefox OS Bootup Procedure]