Re: Overscheduling DOES happen with high web server load.
Richard Gooch (rgooch@atnf.csiro.au)
Thu, 6 May 1999 10:59:48 +1000
Richard Gooch writes:
> Phillip Ezolt writes:
> > Using Iprobe, I got the following function breakdown: (only functions >1%
> > are shown)
> >
> > Begin End Sample Image Total
> > Address Address Name Count Pct Pct
> > ------- ------- ---- ----- --- ---
> > 0000000000000000-00000000000029FC /usr/bin/httpd 127463 18.5
> > 00000001200419A0-000000012004339F ap_vformatter 15061 11.8 2.2
> > FFFFFC0000300000-00000000FFFFFFFF vmlinux 482385 70.1
> > FFFFFC00003103E0-FFFFFC000031045F entInt 7848 1.6 1.1
> > FFFFFC0000315E40-FFFFFC0000315F7F do_entInt 48487 10.1 7.0
> > FFFFFC0000327A40-FFFFFC0000327D7F schedule 124815 25.9 18.1
> > FFFFFC000033FAA0-FFFFFC000033FCDF kfree 7876 1.6 1.1
> > FFFFFC00003A9960-FFFFFC00003A9EBF ip_queue_xmit 8616 1.8 1.3
> > FFFFFC00003B9440-FFFFFC00003B983F tcp_v4_rcv 11131 2.3 1.6
> > FFFFFC0000441CA0-FFFFFC000044207F do_csum_partial 43112 8.9 6.3
> > _copy_from_user
>
> Why don't we see the time taken by the goodness() function?
Ignore that. I'd forgotten that goodness() is inlined :-(
Regards,
Richard....
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