From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <44ACF6D8.6060609@domain.hid>
Date: Thu, 06 Jul 2006 13:41:12 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
MIME-Version: 1.0
Subject: Re: [Xenomai-core] [RFC, PATCH] per-thread exec-time stats
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Jan Kiszka wrote:
> Hi,
>=20
> I think to remember people crying for some execution time statistics fo=
r quite a
> while now. Here comes a straightforward approach to add this on a per-t=
hread basis.
> The results are printed like this:
>=20
> root@domain.hid :/root# cat /proc/xenomai/stat=20
> CPU  PID    MSW        CSW        PF    STAT              TIME  NAME
>   0  0      0          7508041    0     01400080     166038894  ROOT
>   0  0      0          2          0     00000082            55  timsPip=
eReceiver
>   0  1009   751        8800       0     00c00082        143026  display=
-1008
>   0  1010   0          7514585    0     00c00084      54472477  samplin=
g-1008
>=20
> The new TIME column contains the accumulated execution time of each act=
ive thread in
> nanoseconds. It's now a job of some user-space tool (shell script?) to =
pick those

I was thinking of the right unit, I swear:
s/nanoseconds/microseconds/

> numbers up and do, e.g., periodic evaluation (I'm thinking of some "xen=
o-top"). Any
> volunteer around to hack this? Would be very welcome!
>=20
> Jan
>=20
> PS: Could someone have a look that I didn't miss an accounting point an=
d my
> acquisition is sound?
>=20

Jan


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