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Re: Dtrace for Perl

by JSchmitz (Canon)
on Sep 08, 2005 at 20:05 UTC ( #490303=note: print w/replies, xml ) Need Help??


in reply to Dtrace for Perl

One of many Dtrace functions output on my Solaris 10 box....
Sample interval is 5 seconds. Total run is > 100 seconds. 0% Interrupts by CPU... 5% Interrupt times... 10% Dispatcher queue length by CPU... 15% Sdt counts... 20% Pages paged in by process... 25% Files opened successfully count... 30% Disk I/O size distribution by process... 35% Minor faults by process... 40% Vminfo data by process... 45% Mib data by mib statistic... 50% TCP write bytes by process... 55% Sample process @ 1000 Hz... 60% Syscall count by process... 65% Syscall count by syscall... 70% Read bytes by process... 75% Write bytes by process... 80% Sysinfo counts by process... 85% New process counts with arguments... 90% Signal counts... 95% Syscall error counts... 100% Done. File is de_Emperor_200509081500.tar.gz
DTrace is seriously handy you can call it through a shell script or a perl script...

cheers -
Jeffery

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[perldigious]: On occasion my scripts break, because they will do something that seems laregly pointless to me... like in this case, changing a column name from "ABC Category" to "ABC Category Override".
[perldigious]: Being the ignorant one, my initial reaction to that is, "that's sort of a dick move, a lot of people like me expect column names like that to stay the same, why the hell would you change them like that for seemingly no good reason?"
[perldigious]: Or is my irritation/ frustration well founded?
[Corion]: perldigious: That seems to be more the export and likely it's the recipients of that export that like the titles changes
[Corion]: ... "changed"
[Corion]: I usually expect fixed header names, but am sometimes lenient in the order of columns. But changing the report titles often sounds to me as if you are not the sole consument of the export ;)
[shmem]: perldigious: as always - if it ain't broke, don't fix it. Ther must be a very compelling reason for changing column names in a database. Those are rare.

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