Date: Mon, 7 Jan 2008 07:45:52 GMT From: John Birrell <jb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 132685 for review Message-ID: <200801070745.m077jq8Z031499@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=132685 Change 132685 by jb@jb_freebsd1 on 2008/01/07 07:45:23 Add a DTrace-debug-specific printf function that can be called in a probe context with all Function Boundary Trace (fbt) probes enabled. The function uses per-cpu circular buffers and is very careful not to call any functions outside the dtrace module while buffering. The output function will be called from dtrace's deadman cyclic callback function. Affected files ... .. //depot/projects/dtrace/src/sys/cddl/dev/dtrace/dtrace_debug.c#1 add Differences ...
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