On May 2, 2007 09:36:44 am Sachin P. Sant wrote: > Dave, i came across one of the Crash TODO list items about having > a scripting infrastructure in crash. > > I was trying to evaluate the Alicia utility [mentioned in todo list]. > Here are some of my observations about Alicia. Hi Sachin, I am developing a set of Python-bindings (plus scripts) that we are using in HP, http://sourceforge.net/projects/pykdump To compare with Alicia: > 1] It is a wrapper on top of crash. Pykdump is an extension written in C for time-critical access plus a set of Python libraries/scripts. Faster than Alicia 10-100 times :-) > 2] One can write perl based scripts to extract infromation from dumps. The same - I am mainly working on 'xportshow.py' - printing nicely various tables/structures, mostly IPv6 aware. Routing tables, TCP/UDP/IP connections analysis, ARP-cache, Netfilter, devpack and so on. > 3] It has a nice report generation functionality which presents > the data in text as well as html format. Not done yet. > 4] Provides functions which could be used to read data from crash > dumps. The same > 5] It is easy to use and effective too. > > Attached here is a sample script which i tried using Alicia to > display block and character devices. [ I know dev command already > does this stuff .. but for the sake of trying out the Alicia i chose > to write such a script ]. > > Also encountered few problems while trying out Alicia. > 1] On PPC64 arch came across data type overflow problem while > executing the attached script. > 2] On s390/s390x architecture class function provided by Alicia > seems broken. Python API ('Pykdump') at this moment works only on i686/AMD64/IA64 only. The porting to other platforms should be trivial but I just did not look at this. > 3] Alicia is a wrapper on top of crash. Pykdump can both drive crash externally (via 'pexpect' Python module) or run as an extension from inside 'crash' session, e.g. crash64> epython xportshow.py --summary > Other dump solutions [ lkcd ] has sial scripting which is c like > and very effective. Not sure how difficult it will be to implement > something like sial in crash. > > Do you have any plans of having scripting infrastructure in > crash ? If yes your thoughts on Alicia / sial / < any other stuff > Regards, Alex -- ------------------------------------------------------------------ Alexandre Sidorenko email: alexs@xxxxxxxxxxxxxxxxxxxxx Global Solutions Engineering: Unix Networking Hewlett-Packard (Canada) ------------------------------------------------------------------ -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
