On 11/4/05, Andrei Dorofeev <[EMAIL PROTECTED]> wrote:
> Another approach is to have exacct write final accounting records and
> periodically use getacct(2) system call and take live snapshots for
> tasks and aggregate them by projects. I've prototyped a tool called
> 'taskstat' some
> time ago th
On Thu, Nov 03, 2005 at 11:02:01PM -0600, Mike Gerdts wrote:
> - As the process is exiting (wow, exiting is a lot of work!) it adds
> its children's usr and sys time to its own usr and sys time.
>
> http://cvs.opensolaris.org/source/xref/on/usr/src/uts/common/os/exit.c#1172
>
>1124 void
>
Andrei Dorofeev wrote:
So, unfortunately, the current situation with memory accounting
is not perfect *and* there's very little room for improvements.
The good news is that Memory Sets and Swap Sets projects
will solve two other problems you've identified :-)
The problem is essentially this
On Fri, 2005-11-04 at 15:37, Andrei Dorofeev wrote:
> On 11/4/05, Peter Tribble <[EMAIL PROTECTED]> wrote:
> > However, there is one case in which prstat could be improved. While
> > the prstat -a output simply adds the memory of each process, if you
> > use prstat -aL it simply adds things up by L
On 11/4/05, Peter Tribble <[EMAIL PROTECTED]> wrote:
> However, there is one case in which prstat could be improved. While
> the prstat -a output simply adds the memory of each process, if you
> use prstat -aL it simply adds things up by LWP so the memory usage
> gets multiplied by the number of LW
On 11/04/05 08:11, Andrei Dorofeev wrote:
BEGIN
{
ncpu = 2; /* XXX Can DTrace give us ncpus? */
}
Yes `ncpus will give you access to the kernel variable ncpus.
Qualify with a module name if necessary, as in unix`ncpus.
Cheers
Gavin
___
perf
On Fri, 2005-11-04 at 08:35, Andrei Dorofeev wrote:
> Hi Mike,
>
> > processes are counted multiple times. In an extreme example of a busy
> > 15k domain with hundreds of gigabytes of physical RAM and less than 50
> > GB swap, "prstat -a" will report that many terabytes of memory are in
> > the r
Hi Mike,
> processes are counted multiple times. In an extreme example of a busy
> 15k domain with hundreds of gigabytes of physical RAM and less than 50
> GB swap, "prstat -a" will report that many terabytes of memory are in
> the resident set for the oracle user. This is impossible.
About the
On 11/2/05, Mike Gerdts <[EMAIL PROTECTED]> wrote:
> The best solution that I have come up with is to write extended
> accounting records (task) every few minutes, then to process the
> exacct file afterwards. Writing the code to write exacct records
> periodically and make sense of them later is
