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Note the need for a new kernel / userland for devinfo to work
Differential Revision: https://reviews.freebsd.org/D15628
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=334416
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@ -32,6 +32,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW:
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"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
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20180530:
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The kernel / userland interface for devinfo changed, so you'll
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need a new kernel and userland as a pair for it to work (rebuilding
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lib/libdevinfo is all that's required). devinfo and devmatch will
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not work, but everything else will when there's a mismatch.
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20180523:
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The on-disk format for hwpmc callchain records has changed to include
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threadid corresponding to a given record. This changes the field offsets
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