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[Bug runtime/2514] Sequence had xxx drops.
- From: "guanglei at cn dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 5 Apr 2006 15:23:35 -0000
- Subject: [Bug runtime/2514] Sequence had xxx drops.
- References: <20060405143139.2514.guanglei@cn.ibm.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From guanglei at cn dot ibm dot com 2006-04-05 15:23 -------
(In reply to comment #1)
> How large buffers have you tried?
you mean the buffer size specified by "stap -s"?
One of my colleagues(Liang Shanshan) said she tried 1m, 2m, 4m, 8m, 16m buffer
size, but got almost the same result:
It seems that option "-s" has no effect on sequence dropping.
first times:(-s 1)
Sequence had 5189560 drops.
counthook average is 8342273
second times:(-s 2)
Sequence had 6404573 drops.
counthook average is 8305578
...
forth times:(-s 8)
Sequence had 3859367 drops.
counthook average is 8326021
...
>
> Those hard-coded VT100 escape codes in stpd/librelay.c and elsewhere should come
> out, btw.
>
--
http://sourceware.org/bugzilla/show_bug.cgi?id=2514
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