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<TITLE>
TITLE: Tru64 UNIX Performance improvement to times(3) system call
Copyright (c) Hewlett-Packard Company 2004. All rights reserved.
PRODUCT: HP Tru64 UNIX [R] 5.1B-1/PK3
SOURCE: Hewlett-Packard Company
ECO INFORMATION:
ECO Name: T64KIT0023582-V51BB24-E-20040913
ECO Kit Approximate Size: 6.59MB
Kit Applies To: HP Tru64 UNIX 5.1B-1/PK3
ECO Kit CHECKSUMS:
/usr/bin/sum results:
36159 6750
/usr/bin/cksum results:
3692047932 6912000
MD5 results:
46f27d4c59dabc91ea46f178fb11120a
SHA1 results:
da1b8e2a295a6fe2438ba8ba722d16539b7a2921
ECO KIT SUMMARY:
A dupatch-based, Early Release Patch kit exists for HP Tru64 UNIX 5.1B-1/PK3
that contains solutions to the following problem(s):
An enhancement has been made to the times(3) function that improves
performance on subsequent systems calls for the same process by internally
caching information. An additional enhancement has been to proc(4) such
that the creation time field returned by a stat(2) call contains a
process's actual creation time instead of the current system time.
The Patch Kit Installation Instructions and the Patch Summary and Release
Notes documents provide patch kit installation and removal instructions
and a summary of each patch. Please read these documents prior to
installing patches on your system.
The patches in this ERP kit will also be available in the next mainstream
patch kit - HP Tru64 UNIX 5.1B-3.
INSTALLATION NOTES:
1) Install this kit with the dupatch utility that is included in the patch
kit. You may need to baseline your system if you have manually changed
system files on your system. The dupatch utility provides the baselining
capability.
2) The patch in this ERP kit does not have any file intersections with any
other ERP available at this time for this product version.
3) This ERP kit will NOT install over any Customer Specific Patches (CSPs)
which have file intersections with this ERP kit. Contact your normal
Service Provider for assistance if the installation of this ERP kit is
blocked by any of your installed CSPs.
INSTALLATION PREREQUISITES:
You must have installed HP Tru64 UNIX 5.1B-1/PK3 prior to installing
this Early Release Patch Kit.
SUPERSEDE INFORMATION:
None
KNOWN PROBLEMS WITH THE PATCH KIT:
None.
RELEASE NOTES FOR T64KIT0023582-V51BB24-E-20040913:
[R] UNIX is a registered trademark in the United States and other countries
licensed exclusively through X/Open Company Limited.
Copyright Hewlett-Packard Company 2004. All Rights reserved.
This software is proprietary to and embodies the confidential technology
of Hewlett-Packard Company. Possession, use, or copying of this
software and media is authorized only pursuant to a valid written license
from Hewlett-Packard or an authorized sublicensor.
Release Notes
This document summarizes the contents and special instructions for the
Tru64 UNIX V5.1B patches contained in this kit.
For information about installing or removing patches, baselining,
and general patch management, see the Patch Kit Installation
Instructions document.
1 Release Notes
This Early Release Patch Kit Distribution contains:
- fixes that resolve the problem(s) reported in:
o QXCM1000187435
* for Tru64 UNIX V5.1B T64V51BB24AS0003-20030929.tar (BL24)
This kit includes a patch which requires system reboot.
The patches in this kit are being released early for general customer use.
Refer to the Release Notes for a summary of each patch and installation
prerequisites.
Patches in this kit are installed by running dupatch from the directory
in which the kit was untarred. For example, as root on the target system:
> mkdir -p /tmp/CSPkit1
> cd /tmp/CSPkit1
> <copy the kit to /tmp/CSPkit1>
> tar -xpvf DUV40D13-C0044900-1285-20000328.tar
> cd patch_kit
> ./dupatch
2 Special Instructions
There are no special instructions for Tru64 UNIX V5.1B Patch C856.01
3 Summary of CSPatches contained in this kit
Tru64 UNIX V5.1B
PatchId Summary Of Fix
----------------------------------------
C856.01 Enhance /proc and improve times(3)
4 Additional information from Engineering
None5 Affected system files
This patch delivers the following files:
Tru64 UNIX V5.1B
Patch C856.01
./shlib/.upd..libc.so
CHECKSUM: 12937 2338
SUBSET: OSFBASE540
./shlib/.upd..libc_r.so
CHECKSUM: 12937 2338
SUBSET: OSFBASE540
./sys/BINARY/procfs.mod
CHECKSUM: 41185 264
SUBSET: OSFBIN540
./usr/ccs/lib/libc.a
CHECKSUM: 45724 2712
SUBSET: OSFCMPLRS540
./usr/ccs/lib/libc_r.a
CHECKSUM: 45724 2712
SUBSET: OSFCMPLRS540 This ECO has not been through an exhaustive field test process.
Due to the experimental stage of this ECO/workaround, Hewlett-Packard
makes no representations regarding its use or performance. The
customer shall have the sole responsibility for adequate protection
and back-up data used in conjunction with this ECO/workaround.
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