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Bug 1329958

Summary:	slabtop command cannot calculate correctly USE value
Product:	Red Hat Enterprise Linux 7	Reporter:	Takayuki Nagata <tnagata>
Component:	procps-ng	Assignee:	Jan Rybar <jrybar>
Status:	CLOSED ERRATA	QA Contact:	David Jež <djez>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	7.4	CC:	isenfeld
Target Milestone:	rc	Keywords:	Upstream
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	procps-ng-3.3.10-13.el7	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	1330008 (view as bug list)		Environment:
Last Closed:	2017-08-01 18:02:15 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1330008
Bug Blocks:	1298243, 1380361, 1420851

Description Takayuki Nagata 2016-04-25 08:15:12 UTC

Description of problem:
slabtop output the followings. USE shows 47% but it is actually 81699472/81699500*100 = 99.9.

  OBJS ACTIVE  USE OBJ SIZE  SLABS OBJ/SLAB CACHE SIZE NAME
85325940 85325940  49%    0.19K 4266297       20  17065188K dentry

Version-Release number of selected component (if applicable):
procps-ng-3.3.10-5.el7_2

How reproducible:
Always in ACTIVE > 42949672

Steps to Reproduce:
1. Consume slabs.
2.
3.

Actual results:
  OBJS ACTIVE  USE OBJ SIZE  SLABS OBJ/SLAB CACHE SIZE NAME
85325940 85325940  49%    0.19K 4266297       20  17065188K dentry

Expected results:
  OBJS ACTIVE  USE OBJ SIZE  SLABS OBJ/SLAB CACHE SIZE NAME
85325940 85325940 100%    0.19K 4266297       20  17065188K dentry

Additional info:

Comment 11 errata-xmlrpc 2017-08-01 18:02:15 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2017:1898