Author: jhb
Date: Tue Sep 1 17:52:43 2015
New Revision: 287374
URL: https://svnweb.freebsd.org/changeset/base/287374
Log:
Fix an off by one error in r283613: Like regular ffs(), CPU_FFS() returns
1 for CPU 0, etc. so the return value must be decremented to obtain the
first valid CPU ID.
Submitted by: fabient
MFC after: 1 week
Modified:
head/usr.sbin/pmcstat/pmcstat.c
Modified: head/usr.sbin/pmcstat/pmcstat.c
==============================================================================
--- head/usr.sbin/pmcstat/pmcstat.c Tue Sep 1 17:13:04 2015
(r287373)
+++ head/usr.sbin/pmcstat/pmcstat.c Tue Sep 1 17:52:43 2015
(r287374)
@@ -769,7 +769,7 @@ main(int argc, char **argv)
ev->ev_count = -1;
if (option == 'S' || option == 's')
- ev->ev_cpu = CPU_FFS(&cpumask);
+ ev->ev_cpu = CPU_FFS(&cpumask) - 1;
else
ev->ev_cpu = PMC_CPU_ANY;
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