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If that's what you're looking for, there are several (free) programs
you could run from the command line in a separate window/screen
while your program is running that give you all you're asking
about. Sort of an equivalent to Winblows "System Explorer." What
flavor or Linux are you using? <br>
<br>
David M.<br>
<br>
<br>
<div class="moz-cite-prefix">Devin Boyer wrote:<br>
</div>
<blockquote
cite="mid:CAB__S0jnfgoMECxUHbBZJSXbj2TJ9kn0J4E8CBRi96JtbHETBQ@mail.gmail.com"
type="cite">
<div dir="ltr">Try something like "strace -T myapp" or "strace -T
-c myapp"; they'll show the system calls being made and the
amount of time spent in each. It's slightly different
information than iostat, but it may be useful in figuring out
what and where your program is performing io access.</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Wed, Dec 11, 2013 at 3:37 PM,
Stephan Henning <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:shenning@gmail.com" target="_blank">shenning@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div>
<div>
<div>No, iostat will normally just dump to the
terminal window, but I'd like to pipe it's output to
a file so I can parse it later. <br>
<br>
</div>
My end goal here is to be able to generate a log of
iostat output while I run this program, I'm trying to
determine exactly how hard this program is hitting my
harddrive and at what points during it's run does it
access the drive the most frequently. <br>
<br>
</div>
I've done something similar in bash before, but it is
rather clunky. <br>
<br>
</div>
I'll take a look at exec and see if I can use it. <br>
</div>
<div class="HOEnZb">
<div class="h5">
<div class="gmail_extra">
<br>
<br>
<div class="gmail_quote">On Wed, Dec 11, 2013 at 4:46
PM, David <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:ainut@knology.net" target="_blank">ainut@knology.net</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> Do you need
to do anything with the results or just need
them displayed?<br>
If you need to manipulate the results, consider
using Perl, <br>
or if C or C++,<br>
in your 'exec' call, pipe the output to a file,
then just read that file into your program.<br>
Ain't UNIX great?
<div><br>
<br>
David M.<br>
<br>
<br>
<div>Stephan Henning wrote:<br>
</div>
</div>
<blockquote type="cite">
<div>
<div dir="ltr">
<div>I'd like to take some metrics with
iostat while I have a specific program
running, is there a way to wrap iostat
around another program (it is called
from the command line) so that iostat
ends when the program finishes running?
<br>
<br>
</div>
I know I can do it with a bash script, but
I'm hoping for a more elegant solution. <br>
</div>
<br>
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