Date: Mon, 26 Sep 2005 09:25:43 +0200 From: martinko <martinkov@pobox.sk> To: freebsd-performance@freebsd.org Subject: Re: Finding what's causing I/O Message-ID: <4337A277.4060200@pobox.sk> In-Reply-To: <20050923122011.GV33413@yahoo-inc.com> References: <20050922214709.Q50836@zoraida.natserv.net> <84dead7205092219023228cdf5@mail.gmail.com> <20050923080435.J58927@zoraida.natserv.net> <20050923122011.GV33413@yahoo-inc.com>
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Shanker Balan wrote: > 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. > well, thanks for the switch. i couldn't find any description/explanation of/on the columns (VCSW,..) in top(1) man page, though. :(
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