Author: gallatin
Date: Mon Mar 18 12:41:42 2019
New Revision: 345273
URL: https://svnweb.freebsd.org/changeset/base/345273
Log:
Fix a typo introduced in r344133
The line was misedited to change tt to st instead of
changing ut to st.
The use of st as the denominator in mul64_by_fraction() will lead
to an integer divide fault in the intr proc (the process holding
ithreads) where st will be 0. This divide by 0 happens after
the total runtime for all ithreads exceeds 76 hours.
Submitted by: bde
Modified:
head/sys/kern/kern_resource.c
Modified: head/sys/kern/kern_resource.c
==============================================================================
--- head/sys/kern/kern_resource.c Mon Mar 18 12:34:13 2019
(r345272)
+++ head/sys/kern/kern_resource.c Mon Mar 18 12:41:42 2019
(r345273)
@@ -978,7 +978,7 @@ calcru1(struct proc *p, struct rusage_ext *ruxp, struc
su = (tu * st) / tt;
} else {
uu = mul64_by_fraction(tu, ut, tt);
- su = mul64_by_fraction(tu, ut, st);
+ su = mul64_by_fraction(tu, st, tt);
}
if (tu >= ruxp->rux_tu) {
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