07-06-2005
CPU/Speed: Pentium IV 3.2GHz
Ram: 512 DDR 400
Model of computer: Acer R310 Server
Disk: 160GB SCSI
Load: 1 user, running KDE
Kernel: Linux 2.4.27(debian)
pgms: gcc 3.3.5 compiled;
BYTE UNIX Benchmarks (Version 3.11)
System -- Linux 2.4.27-2-386 #1 Mon May 16 16:47:51 JST 2005 i686 GNU/Linux
Start Benchmark Run: mié jul 6 22:39:33 CEST 2005
5 interactive users.
Dhrystone 2 without register variables 4154925.6 lps (10 secs, 6 samples)
Dhrystone 2 using register variables 4608981.3 lps (10 secs, 6 samples)
Arithmetic Test (type = arithoh) 14861569.6 lps (10 secs, 6 samples)
Arithmetic Test (type = register) 856893.6 lps (10 secs, 6 samples)
Arithmetic Test (type = short) 625741.4 lps (10 secs, 6 samples)
Arithmetic Test (type = int) 859089.9 lps (10 secs, 6 samples)
Arithmetic Test (type = long) 859063.1 lps (10 secs, 6 samples)
Arithmetic Test (type = float) 694501.7 lps (10 secs, 6 samples)
Arithmetic Test (type = double) 694519.8 lps (10 secs, 6 samples)
System Call Overhead Test 624823.5 lps (10 secs, 6 samples)
Pipe Throughput Test 983566.2 lps (10 secs, 6 samples)
Pipe-based Context Switching Test 261517.5 lps (10 secs, 6 samples)
Process Creation Test 14913.2 lps (10 secs, 6 samples)
Execl Throughput Test 4298.5 lps (9 secs, 6 samples)
File Read (10 seconds) 2710884.0 KBps (10 secs, 6 samples)
File Write (10 seconds) 516042.0 KBps (10 secs, 6 samples)
File Copy (10 seconds) 60051.0 KBps (10 secs, 6 samples)
File Read (30 seconds) 2705122.0 KBps (30 secs, 6 samples)
File Write (30 seconds) 512032.0 KBps (30 secs, 6 samples)
File Copy (30 seconds) 51894.0 KBps (30 secs, 6 samples)
C Compiler Test 1050.0 lpm (60 secs, 3 samples)
Shell scripts (1 concurrent) 2306.7 lpm (60 secs, 3 samples)
Shell scripts (2 concurrent) 1270.1 lpm (60 secs, 3 samples)
Shell scripts (4 concurrent) 666.1 lpm (60 secs, 3 samples)
Shell scripts (8 concurrent) 341.1 lpm (60 secs, 3 samples)
Dc: sqrt(2) to 99 decimal places 173065.7 lpm (60 secs, 6 samples)
Recursion Test--Tower of Hanoi 75541.6 lps (10 secs, 6 samples)
INDEX VALUES
TEST BASELINE RESULT INDEX
Arithmetic Test (type = double) 2541.7 694519.8 273.3
Dhrystone 2 without register variables 22366.3 4154925.6 185.8
Execl Throughput Test 16.5 4298.5 260.5
File Copy (30 seconds) 179.0 51894.0 289.9
Pipe-based Context Switching Test 1318.5 261517.5 198.3
Shell scripts (8 concurrent) 4.0 341.1 85.3
=========
SUM of 6 items 1293.1
AVERAGE 215.5
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VM86(2) Linux Programmer's Manual VM86(2)
NAME
vm86old, vm86 - enter virtual 8086 mode
SYNOPSIS
#include <sys/vm86.h>
int vm86old(struct vm86_struct *info);
int vm86(unsigned long fn, struct vm86plus_struct *v86);
DESCRIPTION
The system call vm86() was introduced in Linux 0.97p2. In Linux 2.1.15 and 2.0.28, it was renamed to vm86old(), and a new vm86() was
introduced. The definition of struct vm86_struct was changed in 1.1.8 and 1.1.9.
These calls cause the process to enter VM86 mode (virtual-8086 in Intel literature), and are used by dosemu.
VM86 mode is an emulation of real mode within a protected mode task.
RETURN VALUE
On success, zero is returned. On error, -1 is returned, and errno is set appropriately.
ERRORS
EFAULT This return value is specific to i386 and indicates a problem with getting user-space data.
ENOSYS This return value indicates the call is not implemented on the present architecture.
EPERM Saved kernel stack exists. (This is a kernel sanity check; the saved stack should exist only within vm86 mode itself.)
CONFORMING TO
This call is specific to Linux on 32-bit Intel processors, and should not be used in programs intended to be portable.
COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the
latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
Linux 2009-02-20 VM86(2)