Re: RSDL for 2.6.21-rc3- 0.29

Gene Heskett
2007-03-12T20:24:18Z

On Monday 12 March 2007, Patrick Mau wrote:
>On Mon, Mar 12, 2007 at 03:43:09PM -0400, Douglas McNaught wrote:
>> Gene Heskett <gene.heskett@gmail.com> writes:
>> > On Monday 12 March 2007, Douglas McNaught wrote:
>> >>Gene Heskett <gene.heskett@gmail.com> writes:
>> >>> I'd considered it, but with 32 dle entries, the whole strace
>> >>> output would be terrabytes & I don't have THAT much disk. Not to
>> >>> mention it traces only the parent process, so tar would be merrily
>> >>> marching along to its own drummer and not traced I'm afraid.
>> >>
>> >>$ strace -ff
>> >>
>> >>-Doug
>> >
>> > Someone else suggested the single -f, and I tried that, but even
>> > with the shell history set for 100,000 lines, i can't get back to
>> > the start, and I think its mucking with the shell arguments
>> > numbering as what I can see is about 5 reads through /etc/services
>> > accompanied by endless complaints of -EBADFD, the the logfile it
>> > generates says the port it was given was rejected when amcheck was
>> > run, here is that snip:
>>
>> I'd do 'strace -ff -o /tmp/amanda-strace <command>', which will give
>> you a set of files in /tmp, one for each PID created by fork(). Then
>> find the one that has the 'tar' invocation you're looking for.
>
>Hi,
>
>I hope you don't mind me jumping in ...
>
>Why not temporarly replace "/bin/tar" with a shell script that does:
>
>#!/bin/sh
>exec strace -f -o output /bin/real.tar $@
>
>That should be working, shouldn't it ?
>
>Cheers,
>Patrick

It should I'd think, for those instances where these scripts are run by
hand and therefore have a shell to output to. I'll give that a try when
I get my script problem resolved, its a basic diff in the operation of
real tapes and vtapes I need to get right for both scenarios.

Good Idea(TM), Thanks.

--
Cheers, Gene
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
"Ignorance is the soil in which belief in miracles grows."
-- Robert G. Ingersoll