BSD 4_4 release

[unix-history] / usr / src / share / doc / papers / sysperf / 1.t

diff --git a/usr/src/share/doc/papers/sysperf/1.t b/usr/src/share/doc/papers/sysperf/1.t
index 06c9f27..88608ee 100644 (file)
--- a/usr/src/share/doc/papers/sysperf/1.t
+++ b/usr/src/share/doc/papers/sysperf/1.t
@@ -1,8 +1,35 @@
-.\" Copyright (c) 1985 Regents of the University of California.
-.\" All rights reserved.  The Berkeley software License Agreement
-.\" specifies the terms and conditions for redistribution.
+.\" Copyright (c) 1985 The Regents of the University of California.
+.\" All rights reserved.

 .\"
 .\"

-.\"    @(#)1.t 1.1 (Berkeley) %G%
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"    This product includes software developed by the University of
+.\"    California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"    @(#)1.t 5.1 (Berkeley) 4/17/91

 .\"
 .ds RH Introduction
 .af PN 1
 .\"
 .ds RH Introduction
 .af PN 1


@@ -10,9 +37,9 @@
 .NH
 Introduction
 .PP
 .NH
 Introduction
 .PP

-The 4.2 Berkeley Software Distribution of 
+The Berkeley Software Distributions of

 .UX
 .UX

-for the VAX has added many new capabilities that were
+for the VAX have added many new capabilities that were

 previously unavailable under
 .UX .
 The development effort for 4.2BSD concentrated on providing new
 previously unavailable under
 .UX .
 The development effort for 4.2BSD concentrated on providing new


@@ -22,7 +49,6 @@ these new capabilities.
 In addition,
 many of the existing data structures and algorithms
 were put to new uses or their old functions placed under increased demand.
 In addition,
 many of the existing data structures and algorithms
 were put to new uses or their old functions placed under increased demand.

-The limited development period left little time for tuning the completed system.

 The effect of these changes was that
 mechanisms that were well tuned under 4.1BSD
 no longer provided adequate performance for 4.2BSD.
 The effect of these changes was that
 mechanisms that were well tuned under 4.1BSD
 no longer provided adequate performance for 4.2BSD.


@@ -42,13 +68,14 @@ realistic conditions.
 Much of the work has been done in the machine independent parts
 of the system, hence these improvements could be applied to
 other variants of UNIX with equal success.
 Much of the work has been done in the machine independent parts
 of the system, hence these improvements could be applied to
 other variants of UNIX with equal success.

+All of the changes made have been included in 4.3BSD.

 .PP
 .PP

-The first part of this paper describes the tools and techniques
-available for measuring system performance.
-The second part describes the results of using these tools.
-The third part of this paper describes the performance improvements
+Section 2 of the paper describes the tools and techniques
+available to us for measuring system performance.
+In Section 3 we present the results of using these tools, while Section 4
+has the performance improvements

 that have been made to the system based on our measurements.
 that have been made to the system based on our measurements.

-The fourth part describes functional enhancements that have
-been made.
-The final part discusses some of the security problems that
+Section 5 highlights the functional enhancements that have
+been made to Berkeley UNIX 4.2BSD.
+Section 6 discusses some of the security problems that

 have been addressed.
 have been addressed.