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Fix off by one in calculation of the number of buckets for the pc

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addresses.

Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D11864
This commit is contained in:
kib 2017-08-04 18:02:54 +00:00
parent 93d910f645
commit 20bfc66ee0
1 changed files with 2 additions and 2 deletions
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4
usr.sbin/pmcstat/pmcpl_gprof.c
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@ -468,8 +468,8 @@ pmcpl_gmon_process(struct pmcstat_process *pp, struct pmcstat_pmcrecord *pmcr,
image, pmcid);
pgf->pgf_pmcid = pmcid;
assert(image->pi_end > image->pi_start);
pgf->pgf_nbuckets = (image->pi_end - image->pi_start) /
FUNCTION_ALIGNMENT; /* see <machine/profile.h> */
pgf->pgf_nbuckets = howmany(image->pi_end - image->pi_start,
FUNCTION_ALIGNMENT); /* see <machine/profile.h> */
pgf->pgf_ndatabytes = sizeof(struct gmonhdr) +
pgf->pgf_nbuckets * hc_sz;
pgf->pgf_nsamples = 0;