Author: jhb
Date: Fri Sep 9 21:19:31 2016
New Revision: 305675
URL: https://svnweb.freebsd.org/changeset/base/305675
Log:
MFC 303720: Apply the fix from r232612 to fixed function counters.
Modified:
stable/9/sys/dev/hwpmc/hwpmc_core.c
Directory Properties:
stable/9/sys/ (props changed)
Changes in other areas also in this revision:
Modified:
stable/10/sys/dev/hwpmc/hwpmc_core.c
stable/11/sys/dev/hwpmc/hwpmc_core.c
Directory Properties:
stable/10/ (props changed)
stable/11/ (props changed)
Modified: stable/9/sys/dev/hwpmc/hwpmc_core.c
==============================================================================
--- stable/9/sys/dev/hwpmc/hwpmc_core.c Fri Sep 9 21:00:07 2016
(r305674)
+++ stable/9/sys/dev/hwpmc/hwpmc_core.c Fri Sep 9 21:19:31 2016
(r305675)
@@ -355,7 +355,7 @@ iaf_read_pmc(int cpu, int ri, pmc_value_
if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
*v = iaf_perfctr_value_to_reload_count(tmp);
else
- *v = tmp;
+ *v = tmp & ((1ULL << core_iaf_width) - 1);
PMCDBG(MDP,REA,1, "iaf-read cpu=%d ri=%d msr=0x%x -> v=%jx", cpu, ri,
IAF_RI_TO_MSR(ri), *v);
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