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RNSanchez's notes and plans
I'm Ricardo Nabinger Sanchez, a Computer Scientist living in south-Brasil {flag-br} (GMT -0300 timezone). Feel free to contact me even if it's not related to FreeBSD.
Email/Jabber: rnsanchez@gmail.com, and rnsanchez@wait4.org
ICQ: 34748889
PGP key: http://rnsanchez.wait4.org/pubkey.asc
Interests:
- Operating Systems Design and Implementation
- Network monitoring (RMON2) and management (SNMP)
- Optimizations (reducing overhead)
- (Low-level) Code generation and improvement
- MIPS architecture
SNMP
Currently using, learning and trying to help with BSNMPD development, in contact with ShteryanaShopova, HartiBrandt and VictorCruceru.
My plans are to implement:
- DISKSTORAGE-MIB
DISKSTORAGE-MIB should provide information with greater detail than what is available through HOSTRESOURCES-MIB, specifically to UNIX environments (perhaps BSD or even FreeBSD specific). It was not created yet, btw.
More details to come, and also at http://rnsanchez.wait4.org/soc/proposta.txt, which is my original (and not selected) proposal for Google's Summer of Code 2006.
You can check BsnmpTODO for further info on what's coming next in BSNMPD.
BSNMPD Patches
| contrib/bsnmp/gensnmpdef (2006-05-30) | Fix some segfaults that occur when a required module is not found while processing user-requested modules. Others segfaults remain, as libsmi sometimes does not return NULL when some required module was not found. Perhaps a complete fix depends on a libsmi fix too. |
| ATM and NETGRAPH MIBs (2006-05-30) | Fix “module BEGEMOT-{ATM,NETGRAPH}-MIB not found” for BEGEMOT-ATM-FREEBSD-MIB. HartiBrandt or VictorCruceru probably will come up with a better solution. :) |
Miscellaneous Areas of Interest in FreeBSD
These are topics I plan to investigate:
- BSD-licensed ELF tools: because of my final project, I'm getting very used to ELF files, and feel able to help implement BSD-licensed tools for ELF files, like
readelf, (multi-archicteture capable)objdump, and much others, using JosephKoshy's libelf. - CPU accounting and
top(1) +ps(1): I can't find what processes are eating CPU, and don't understand why (UP machine with UP kernel). re(4): my RTL8029S giga-ethernet NIC doesn't work on 6.1-RELEASE. There were lots of commits for it, but I couldn't test it yet, and if I try to use it, sometimes it doesn't work. 6.1 is “old” right now, but…
The list is much longer, but these are the ones I'm definitely going to investigate.