1.3u 0.7s 0:11 19% 23+79k 3+0io 2pf+0w
The man page for csh documents the fist 4 fields as user time, system time,
elapsed time (all in seconds), and utilization (i.e. (u+s)/e). I guess
that the next fields are memory usage, io calls, and page faults. What the
numbers mean is not described. Could anyone send me a definite description
of the last 6 numbers?
Thanks,
Israel
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23+79k -- Average resident sizes of text and data+stack. The numbers
are measured in 512-byte pages.
3+0io -- This is the I/O charged to the process (not necessarily
initiated by the process). The 3 is the total number of
requests, the 0 is the number of disk accesses. The
difference is the number of buffer cache hits.
2pf+0w -- The 2pf is the number of page faults that required disk I/O
to read the page (known in unix as major faults). The 0w is
the number of times ths process was swapped to disk.
-jeff-
Thanks,
Israel
/* End of text from uicsrd:net.arch */
Note that these statistics are machine dependent. The precise
meaning depends on the hardware and how the kernel counts things.
On anything other than a vax, check very carefully before you
assume that they mean what they do on a vax.
A year or two ago, David Brown ({zehntel,amd,fortune,resonex}!varian!david)
posted a manual page for the csh "time" command. The man page was actually
written by Mark Wittenberg ({zehntel,varian}!rtech!mark).
Among the neat, undocumented stuff in it was the fact that you can change the
output format of the "time" command by setting a shell variable named "time".
For instance, here's a setting I like to use:
set time=(0 "user=%U sec, system=%S sec, elapsed=%E min, cpu use=%P, %W swaps,\
%I disk reads, %O disk writes. Data+stack+text pages: %K avg., %M max.")
The man page was written for 4.1bsd csh; I don't know if it much has changed
for 4.[23]bsd. If anyone wants a copy of the man page, let me know.
If I get enough requests, I'll post it to net.sources.
--Jerry Peek, Tektronix, Inc.
US Mail: MS 74-900, P.O. Box 500, Beaverton, OR 97077
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Phone: +1 503 627-1603
In article <17...@tektools.UUCP>, I wrote:
> A year or two ago, David Brown ({zehntel,amd,fortune,resonex}!varian!david)
> posted a manual page for the csh "time" command. The man page was actually
> written by Mark Wittenberg ({zehntel,varian}!rtech!mark).
>
> The man page was written for 4.1bsd csh; I don't know if it much has changed
> for 4.[23]bsd. If anyone wants a copy of the man page, let me know.
> If I get enough requests, I'll post it to net.sources.
Fifteen requests in one day is enough; I'll post it to net.sources!
I'll also try to send a copy via e-mail to the people who asked specifically
for e-mail copies.