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| /freebsd-11-stable/sys/x86/x86/ | ||
| H A D | busdma_bounce.c | diff 136805 Sat Oct 23 08:34:27 MDT 2004 rwatson Add some basic KTR tracing to busdma on i386. This is likely not the final set of traces -- someone with more busdma background will probably want to review and expand this, as well as port to other platforms. This tracing is sufficient to identify key busdma events on i386, and in particular to draw attention to bounce buffering events that may have a substantial performance impact. |
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