-----Original Message-----
From: dtrace-discuss-boun...@opensolaris.org [mailto:dtrace-discuss-
boun...@opensolaris.org] On Behalf Of Jonathan Adams
Sent: Tuesday, August 18, 2009 5:54 PM
To: venkateshu.cherukupa...@ubs.com
Cc: dtrace-discuss@opensolaris.org
Subject: Re: [dtrace-discuss] Convert fd into string
On Tue, Aug 18, 2009 at 06:16:50PM -0400,
venkateshu.cherukupa...@ubs.com wrote:
Yup, that will do. But, still I wonder why the typecast fails ?
Because the argument is an integer, not a pointer to a kernel string?
Typecasting in D is like typecasting in C: almost no work is done.
Certainly no lookup of the file descriptor table is done.
Cheers,
- jonathan
-----Original Message-----
From: Chad Mynhier [mailto:cmynh...@gmail.com]
Sent: Tuesday, August 18, 2009 5:06 PM
To: Cherukupalli, Venkateshu
Cc: angelo.rajadu...@sun.com; dtrace-discuss@opensolaris.org
Subject: Re: [dtrace-discuss] Convert fd into string
Why not just aggregate on the tuple <fd, file name>? Something like
this:
syscall::read:entry
{
@c[arg0, fds[arg0].fi_pathname] = count(); }
If the output's unsatisfactory, you could always use a printa() in
en
END clause to get it into the format you want.
Chad
On Tue, Aug 18, 2009 at 4:51 PM, <venkateshu.cherukupa...@ubs.com>
wrote:
I just need to print the file descriptor number as a string. I
would like to join fd and file name into one string and then
aggregate on reads/writes reason I want to do this is, for sockets
fi_pathname just shows up as "unknown" - instead if I can get fd, I
can do pfiles and get the socket details ..
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