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[Bug kprobes/6989] kprobe_hash_table is too small for systemtap
- From: "mhiramat at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 8 Nov 2008 03:35:09 -0000
- Subject: [Bug kprobes/6989] kprobe_hash_table is too small for systemtap
- References: <20081028001945.6989.mhiramat@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From mhiramat at redhat dot com 2008-11-08 03:35 -------
(In reply to comment #3)
> Hmm, since kretprobe_table_locks has been __cacheline_aligned, this change
> increases the size of kprobes.o so much (about 64KB!).
> It was much larger than I thought. We have to fix this problem...
Hmm, if we separate hash bits of kprobe_table and kretprobe_table,
the object size wasn't increased so much.
text data bss dec hex filename
6610 436 8840 15886 3e0e
/home/mhiramat/kbin/2.6.28-rc3/kernel/kprobes.o
6621 436 10632 17689 4519
/home/mhiramat/kbin/2.6.28-rc3/kernel/kprobes.o
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6989
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