Bug 974073 - SAP 7.0: sblim-cmpi-base: wrong UserModeTime and KernelModeTime
SAP 7.0: sblim-cmpi-base: wrong UserModeTime and KernelModeTime
Status: CLOSED CURRENTRELEASE
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: sblim-cmpi-base (Show other bugs)
7.1
x86_64 Linux
high Severity high
: rc
: 7.0
Assigned To: Vitezslav Crhonek
Robin Hack
: FutureFeature
Depends On: 974071
Blocks: 1018952 1050219
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Reported: 2013-06-13 07:44 EDT by Henning Sackewitz
Modified: 2016-09-09 01:26 EDT (History)
7 users (show)

See Also:
Fixed In Version: sblim-cmpi-base-1.6.2-7.el7
Doc Type: Enhancement
Doc Text:
Story Points: ---
Clone Of: 974071
Environment:
Last Closed: 2014-06-13 08:41:36 EDT
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---


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Description Henning Sackewitz 2013-06-13 07:44:30 EDT
+++ This bug was initially created as a clone of Bug #974071 +++

The values for UserModeTime and KernelModeTime in CIM class Linux_UnixProcess are incorrectly calculated.

OSBase_UnixProcess.c:

231 if ( (fpstat=fopen(cmd,"r")) != NULL ) {
232 fscanf(fpstat,"%s %s %s %s %s %s %s %s %s %s %s %s %s %s "
233 "%lld %lld %s %s %s %s %s %ld",
234 &umtime,&kmtime,&ctime );
235 fclose(fpstat);
236 (sptr)->kmtime = kmtime10;
237 (sptr)->umtime = umtime*10;

The code is scanning fields 15 and 16 from /proc/[pid]/stat but it should use fields 14 and 15 on current Linux kernels as documented in
/usr/src/linux/Documentation/filesystems/proc.txt.

As a result, KernelModeTime is used for UserModeTime, and Child User Time for KernelModeTime.

See https://sourceforge.net/p/sblim/bugs/2644/ for upstream bug fix.
Comment 2 Frank Danapfel 2014-01-08 02:37:28 EST
Removed RFE from title since this is really a bugfix and not a feature request
Comment 4 Ludek Smid 2014-06-13 08:41:36 EDT
This request was resolved in Red Hat Enterprise Linux 7.0.

Contact your manager or support representative in case you have further questions about the request.
Comment 5 Alois Mahdal 2016-09-09 01:26:23 EDT
"Fixed In Version" field was clearly wrong (fedora build for a RHEL7 bug).  I'm assuming the version @rhack reviewed it with (I think "best guess" is better than invalid value for this field).

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