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Re: Help using "dd" command!
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From: |
Bernhard Voelker |
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Subject: |
Re: Help using "dd" command! |
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Date: |
Sun, 14 Sep 2014 11:58:17 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.0 |
On 09/14/2014 06:49 AM, Ricardo Ramos wrote:
> Has you can see, it looks like it's a similar pattern, could anyone explain
> to me one or both of the work so that I can find out why are they using
> almost the same percentage of CPU cores and exactly the same cores.
I can't speak for ddrescue, and I'm not sure I understand the graphs
correctly, but dd(1) definitely only uses 1 CPU core. It's neiter a threaded
program nor does it fork other processes (like rsync(1) would).
Have a nice day,
Berny