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freebsd/sys/dev/hwpmc
Adrian Chadd 05e486c71e Sign-extend the 48-bit AMD PMC counter before treating it to a 64-bit
2's compliment.

The 2's compliment transform is done so a "count down" sampling interval
can be converted into a "count up" PMC value. a 2's complimented 'count down'
value is written to the PMC counter; then the read-back counter is reverted
via another 2's compliment.

PR: kern/121660
Reviewed by: jkoshy
Approved by: jkoshy
MFC after: 1 week
2008-03-18 08:39:11 +00:00
..
hwpmc_amd.c Sign-extend the 48-bit AMD PMC counter before treating it to a 64-bit 2008-03-18 08:39:11 +00:00
hwpmc_amd.h MFP4: 2005-06-09 19:45:09 +00:00
hwpmc_arm.c Add stub functions to unbreak LINT. 2007-12-07 17:21:53 +00:00
hwpmc_ia64.c Add stub functions to unbreak LINT. 2007-12-07 17:21:53 +00:00
hwpmc_logging.c Kernel and hwpmc(4) support for callchain capture. 2007-12-07 08:20:17 +00:00
hwpmc_mod.c VOP_LOCK1() (and so VOP_LOCK()) and VOP_UNLOCK() are only used in 2008-01-13 14:44:15 +00:00
hwpmc_pentium.c MFP4: 2005-06-09 19:45:09 +00:00
hwpmc_pentium.h MFP4: 2005-06-09 19:45:09 +00:00
hwpmc_piv.c Kernel and hwpmc(4) support for callchain capture. 2007-12-07 08:20:17 +00:00
hwpmc_piv.h MFP4: 2005-06-09 19:45:09 +00:00
hwpmc_powerpc.c Add stub functions to unbreak LINT. 2007-12-07 17:21:53 +00:00
hwpmc_ppro.c Kernel and hwpmc(4) support for callchain capture. 2007-12-07 08:20:17 +00:00
hwpmc_ppro.h MFP4: 2005-06-09 19:45:09 +00:00
hwpmc_sparc64.c Add stub functions to unbreak LINT. 2007-12-07 17:21:53 +00:00
hwpmc_x86.c Kernel and hwpmc(4) support for callchain capture. 2007-12-07 08:20:17 +00:00
pmc_events.h Correct a typo. 2008-03-14 06:16:18 +00:00