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Bug 1312110 - document that speed measurement uses cpu user time and document -elapsed option
Summary: document that speed measurement uses cpu user time and document -elapsed option
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: openssl
Version: 7.2
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Tomas Mraz
QA Contact: Hubert Kario
URL:
Whiteboard:
Depends On: 1197095
Blocks: 1197099
TreeView+ depends on / blocked
 
Reported: 2016-02-25 18:35 UTC by Hubert Kario
Modified: 2016-11-04 02:05 UTC (History)
3 users (show)

Fixed In Version: openssl-1.0.1e-56.el7
Doc Type: Bug Fix
Doc Text:
Clone Of: 1197095
Environment:
Last Closed: 2016-11-04 02:05:47 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2016:2271 0 normal SHIPPED_LIVE openssl bug fix and enhancement update 2016-11-03 13:34:37 UTC

Description Hubert Kario 2016-02-25 18:35:19 UTC 
Issue not fixed in openssl-1.0.1e-51.el7_2.2.x86_64. Marking as regression since the issue will  be fixed in RHEL-6.8.0 release

Description of problem:
When measuring algorithms' speed while using engine ibmca, results are wildly inaccurate, because number of operations is divided by the ammount of processor time used, which is very low for external engine.

Version-Release number of selected component (if applicable):
openssl-ibmca-1.2.0-4.el6.s390x
openssl-1.0.1e-30.el6_6.5.s390x

How reproducible:
always

Steps to Reproduce:
1. openssl speed -engine ibmca rsa512

Actual results:
engine "ibmca" set.
Doing 512 bit private rsa's for 10s: 4015 512 bit private RSA's in 0.02s
Doing 512 bit public rsa's for 10s: 4336 512 bit public RSA's in 0.03s
OpenSSL 1.0.1e-fips 11 Feb 2013
built on: Tue Jan 13 08:38:01 EST 2015
options:bn(64,64) md2(int) rc4(8x,char) des(idx,cisc,16,int) aes(partial) idea(int) blowfish(idx)
compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DKRB5_MIT -m64 -DB_ENDIAN -DTERMIO -Wall -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -march=z9-109 -mtune=z10 -Wa,--noexecstack -DPURIFY -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DAES_ASM -DAES_CTR_ASM -DAES_XTS_ASM -DGHASH_ASM
                 sign    verify    sign/s verify/s
rsa 512 bits 0.000005s 0.000007s 200750.0 144533.3

Expected results: (cca)
...
                 sign    verify    sign/s verify/s
rsa 512 bits 0.002490s 0.002306s    401.5    433.6

--- Additional comment from Tomas Mraz on 2015-02-27 09:22:18 EST ---

There is actually already -elapsed option that implements this request however it is undocumented.
Does it work for you?
Comment 9 errata-xmlrpc 2016-11-04 02:05:47 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://rhn.redhat.com/errata/RHBA-2016-2271.html
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