Re: Finding what's causing I/O

From: Shanker Balan (shanu_at_shankerbalan.net)
Date: 09/23/05

  • Next message: Shanker Balan: "Re: High load average mail server 5.3-RELEASE" 
    Date: Fri, 23 Sep 2005 17:50:11 +0530
To: freebsd-performance@freebsd.org

    Hello,

    Francisco Reyes wrote,
    > On Fri, 23 Sep 2005, Joseph Koshy wrote:
    >
    > >>Is there a way to find out which program(s) are causing the I/O?
    > >
    > >ktrace(8); you can use it to trace all descendants of 'init'.
    >
    > Looking at the man page it's non-obvious how to use it (to me).
    >
    >
    > Specially it seems one needs to indicate a pid or a command. How do I
    > trace all programs?

    See top(1):

        m Toggle the display between 'cpu' and 'io' modes. 

    -- 
Shanker Balan
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  • Next message: Shanker Balan: "Re: High load average mail server 5.3-RELEASE"

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