Bug 1329958

Summary: slabtop command cannot calculate correctly USE value
Product: Red Hat Enterprise Linux 7 Reporter: Takayuki Nagata <tnagata>
Component: procps-ngAssignee: Jan Rybar <jrybar>
Status: CLOSED ERRATA QA Contact: David Jež <djez>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.4CC: isenfeld
Target Milestone: rcKeywords: 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:
: 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:
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