Messages in this thread | | | Subject | Re: DTrace-like analysis possible with future Linux kernels? | From | Florian Weimer <> | Date | Fri, 20 Aug 2004 15:46:33 +0200 |
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* Alexander Nyberg:
>> Most other system resources can be tracked quite easily: disk space, >> CPU time, committed address space, even network I/O (with tcpdump and >> netstat -p). But there's no such thing for disk I/O. > > Why can't this be done be looking at the major faults a process causes?
Because only paging results in major faults, normal I/O with read()/write() (or the p*() variants) does not.
> One could quite easily hack up a tool to monitor I/O per process or > does it need to be very more precise?
It would be nice to obtain file names, too. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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