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meeting minutes 20060504


kprobes portion
---------------
Attendees -
IBM - Jim, Hien, Ryan, Jeff, Henry, Prasanna, Richard
Intel - Anil
Hitachi - Satoshi

Userspace probes -
Prasanna posted the patch on the internal mailing list for review, he
addressed most concerns. The current implementation is not different
from the original implementation.
Jim had userspace return probes working on i386.

BZ #2637 skipped probes on FC6 - Prasanna will investigate/work on the
bug.
BZ #2639 - Probe on "__kprobes" function ... it appears to be closed,
Jim will follow up this up.

Nofity pagefault patch -
Anil proposed to backpor this patch to RHEL4U4. This patch sat on mm
tree for a while without any objection, the chance it gets into the
mainline is high.

OLS paper - Gray Brian ?? withdrew his OLS paper (Instrumentation using
systemtap) due to some concerns with the data that he got (kprobes
related issues)

systemtap portion
-----------------
Attendees - All of the above and ..
IBM - Vara
Redhat - Martin, Will, David, Elena
Intel - Josh, Thang

RH summit: Frank will travel May 10/11/12.
Summit itself May 30 through June 2.

Kernel bug with page fault:
	BZ# 2637 see above
	Notify pagefault patch - see above

roundtable
Martin - worked on syscalls tapset tests.
Will - added probes profiling in the translator to measure probe
handlers performance (option -t) also update the man page. Skipped the
detail discussion about presentation that he attended two week ago :-)
David - talked about filtering stpd as a default mode.

User space probes: 
See above.

f2f:
Several options
1. All day conference calls
2. Meet at OLS
3. Meet in UK in the falls.

 

 
 


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