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On Mon, Sep 26, 2011 at 9:42 PM, Harry Putnam <reader@×××××××.com> wrote: |
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> Alan McKinnon <alan.mckinnon@×××××.com> writes: |
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> |
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>> What do your basics performance tools like top and friends say? See |
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>> what swap usage looks like outside the chroot while the compile is |
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>> running - is it thrashing? What speed are you getting for the hard disk |
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>> from hdparm -t -T? |
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> |
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> Top shows CC taking about 50% or in that vacinity... nothing else of |
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> note is running. But man I've been at this for 3 days, or so. |
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There's just no way your system is behaving appropriately. |
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Have you ever used the tool 'htop'? It's quite handy for visualizing |
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CPU usage, including CPUs waiting for, e.g. disk I/O. |
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Also, when running "make bzImage" and "make modules", be sure to |
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supply a -j option. |
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On my system (quad-core phenom 9650) I measured the sweet spot as |
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being at -j8 while building mplayer on a tmpfs mount. Any higher or |
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lower led to an increase in time required for the jobs to complete. |
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Also, you might tail -f /var/log/syslog, or poke dmesg from time to |
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time, and run some smart tests; your disk might be on its last legs. |
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-- |
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:wq |