Status: Accepted
Owner: ----
CC: [email protected], [email protected], [email protected]
Labels: Type-Bug Priority-Critical OS-All
New issue 2642 by [email protected]: --prof shows many unaccounted for
ticks after r14252.
http://code.google.com/p/v8/issues/detail?id=2642
Steps to reproduce:
1. Run d8 --prof on attached file:
$ ./out/ia32.release/d8 --prof x.js
2. Observe output of linux-ticks-processor:
$ ./tools/linux-tick-processor | head
Statistical profiling result from v8.log, (3704 ticks, 3504 unaccounted, 0
excluded).
[Unknown]:
ticks total nonlib name
3504 94.6%
94.6% ticks unaccounted for! Also around 30% on octane benchmarks I have
tried.
Before r14252, all ticks on this file are accounted for.
Attachments:
x.js 72 bytes
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