On Mon, May 10, 2010 at 8:00 AM, JohnS <jses27 at gmail.com> wrote: > > On Mon, 2010-05-10 at 07:31 -0700, Akemi Yagi wrote: >> On Mon, May 10, 2010 at 6:46 AM, Ross Walker <rswwalker at gmail.com> wrote: >> > Oprofile will show where those precious latencies timings are being >> > used. It of course adds latency itself, so this should be factored >> > into the latency timings. >> > >> > It will time all kernel operations then you can drill down into >> > particular modules/routines to see more granularity. >> > >> > Needs debug symbols to be fully useful. Can provide timings as source >> > code annotations. >> >> I never thought someone would run oprofile with the RT kernel. I can >> upload debuginfo if anyone needs it. > Actually you need kernel-trace also in there. Trace is what is > recomended by TUV. I have kernel-rt-trace up there ... Akemi