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| From: | "Rick Rauenzahn" <rick AT lanl DOT gov> |
| To: | <cygwin AT sourceware DOT cygnus DOT com> |
| Subject: | McAfee impacting performance |
| Date: | Fri, 13 Oct 2000 09:21:25 -0600 |
| MIME-Version: | 1.0 |
| X-Priority: | 3 |
| X-MSMail-Priority: | Normal |
| X-Mailer: | Microsoft Outlook Express 5.50.4133.2400 |
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I see a huge performance hit with McAfee VirusScan 4.5.
I know that the FAQ lists a problem with the .tar.gz files,
but this occurs even when doing an 'ls' on any directory.
NT's task manager shows that the program mcshield.exe is
really hogging the cpu. I have gotten around the problem by
disable scanning in / (which is D:\cygwin). But I would like
an explanation as to what is going on.
/bin/time -v ls -l /usr/bin shows a wall clock time of 50 seconds if
Mcafee is on! Compare that to 4.5 seconds with it disabled in D:\cygwin,
which still seems ridiculously long, but better than 50+ seconds.
I would appreciate an explanation of this.
Thanks.
cygcheck -s -v gives:
Cygnus Win95/NT Configuration Diagnostics
Current System Time: Fri Oct 13 09:15:34 2000
WinNT Ver 4.0 build 1381 Service Pack 6
Path: /usr/local/bin
/usr/bin
/usr/bin
/cygdrive/d/DevStudio/SharedIDE/BIN
/cygdrive/d/DevStudio/DF/BIN
/cygdrive/d/DevStudio/VC/BIN
/cygdrive/c/WINNT/system32
/cygdrive/c/WINNT
/cygdrive/d/Symantec/pcAnywhere
.
SysDir: C:\WINNT\System32
WinDir: C:\WINNT
HOME = `/home/rick'
MAKE_MODE = `unix'
PWD = `/usr/bin'
USER = `rick'
!C: = `C:\WINNT\Profiles\rick\Desktop'
!D: = `D:\cygwin\bin'
CDPATH = `.:..:/home/rick'
CLASSPATH = `D:\Exceed\hcljrcsv.jar;D:\Exceed\;'
COMPUTERNAME = `XANDER'
COMSPEC = `C:\WINNT\system32\cmd.exe'
CPU = `i386'
HOMEDRIVE = `C:'
HOMEPATH = `\'
HOSTNAME = `XANDER'
HOSTTYPE = `i586'
INCLUDE = `D:\DevStudio\DF\INCLUDE;D:\DevStudio\VC\INCLUDE'
LIB = `D:\DevStudio\DF\LIB;D:\DevStudio\VC\LIB'
LOGONSERVER = `\\XANDER'
MACHTYPE = `i586-pc-cygwin'
NUMBER_OF_PROCESSORS = `2'
OLDPWD = `/home/rick'
OS2LIBPATH = `C:\WINNT\system32\os2\dll;'
OS = `Windows_NT'
OSTYPE = `cygwin'
PATHEXT = `.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH'
PROCESSOR_ARCHITECTURE = `x86'
PROCESSOR_IDENTIFIER = `x86 Family 6 Model 8 Stepping 3, GenuineIntel'
PROCESSOR_LEVEL = `6'
PROCESSOR_REVISION = `0803'
PROMPT = `$P$G'
PS1 = ``hostname | tr [A-Z] [a-z]`% '
PS4 = `[$LINENO] '
SHELL = `/bin/sh'
SHLVL = `1'
SYSTEMDRIVE = `C:'
SYSTEMROOT = `C:\WINNT'
TEMP = `/cygdrive/c/TEMP'
TERM = `cygwin'
USERDOMAIN = `XANDER'
USERNAME = `rick'
USERPROFILE = `C:\WINNT\Profiles\rick'
WINDIR = `C:\WINNT'
_ = `/usr/bin/cygcheck'
Use `-r' to scan registry
a: fd N/A N/A
c: hd NTFS 3357Mb 46% CP CS UN PA FC
d: hd NTFS 7499Mb 6% CP CS UN PA FC
e: hd NTFS 6502Mb 1% CP CS UN PA FC
f: cd N/A N/A
D:\cygwin\bin /usr/bin system binmode
D:\cygwin\lib /usr/lib system binmode
D:\cygwin / system binmode
E:\home /home system binmode
Found: .\bash.exe
Found: D:\cygwin\bin\bash.exe
Warning: .\bash.exe hides D:\cygwin\bin\bash.exe
Found: .\cat.exe
Found: D:\cygwin\bin\cat.exe
Warning: .\cat.exe hides D:\cygwin\bin\cat.exe
Found: .\cpp.exe
Found: D:\cygwin\bin\cpp.exe
Warning: .\cpp.exe hides D:\cygwin\bin\cpp.exe
Found: .\find.exe
Found: D:\cygwin\bin\find.exe
Warning: .\find.exe hides D:\cygwin\bin\find.exe
Found: .\gcc.exe
Found: D:\cygwin\bin\gcc.exe
Warning: .\gcc.exe hides D:\cygwin\bin\gcc.exe
Found: .\gdb.exe
Found: D:\cygwin\bin\gdb.exe
Warning: .\gdb.exe hides D:\cygwin\bin\gdb.exe
Found: .\ld.exe
Found: D:\cygwin\bin\ld.exe
Warning: .\ld.exe hides D:\cygwin\bin\ld.exe
Found: .\ls.exe
Found: D:\cygwin\bin\ls.exe
Warning: .\ls.exe hides D:\cygwin\bin\ls.exe
Found: .\make.exe
Found: D:\cygwin\bin\make.exe
Warning: .\make.exe hides D:\cygwin\bin\make.exe
Found: .\sh.exe
Found: D:\cygwin\bin\sh.exe
Warning: .\sh.exe hides D:\cygwin\bin\sh.exe
83k 2000/06/11 .\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
"cygitcl30.dll" v0.0 ts=2000/6/10 21:34
35k 2000/06/11 .\cygitk30.dll - os=4.0 img=1.0 sys=4.0
"cygitk30.dll" v0.0 ts=2000/6/10 21:34
402k 2000/06/11 .\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
"cygtcl80.dll" v0.0 ts=2000/6/10 21:30
5k 2000/06/11 .\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
10k 2000/06/11 .\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
"cygtclreg80.dll" v0.0 ts=2000/6/10 21:30
639k 2000/06/11 .\cygtk80.dll - os=4.0 img=1.0 sys=4.0
"cygtk80.dll" v0.0 ts=2000/6/10 21:34
586k 2000/08/04 .\cygwin1.dll - os=4.0 img=1.0 sys=4.0
"cygwin1.dll" v0.0 ts=2000/8/3 18:53
Cygwin DLL version info:
dll major: 1001
dll minor: 4
dll epoch: 19
dll bad signal mask: 19005
dll old termios: 5
api major: 0
api minor: 26 shared data: 3
dll identifier: cygwin1
mount registry: 2
cygnus registry name: Cygnus Solutions
cygwin registry name: Cygwin
program options name: Program Options
cygwin mount registry name: mounts v2
build date: Thu Aug 3 20:53:46 EDT 2000
CVS tag: cygwin-1-1-4
shared id: cygwin1S3
83k 2000/06/11 .\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
"cygitcl30.dll" v0.0 ts=2000/6/10 21:34
35k 2000/06/11 .\cygitk30.dll - os=4.0 img=1.0 sys=4.0
"cygitk30.dll" v0.0 ts=2000/6/10 21:34
402k 2000/06/11 .\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
"cygtcl80.dll" v0.0 ts=2000/6/10 21:30
5k 2000/06/11 .\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
10k 2000/06/11 .\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
"cygtclreg80.dll" v0.0 ts=2000/6/10 21:30
639k 2000/06/11 .\cygtk80.dll - os=4.0 img=1.0 sys=4.0
"cygtk80.dll" v0.0 ts=2000/6/10 21:34
586k 2000/08/04 .\cygwin1.dll - os=4.0 img=1.0 sys=4.0
"cygwin1.dll" v0.0 ts=2000/8/3 18:53
Cygwin DLL version info:
dll major: 1001
dll minor: 4
dll epoch: 19
dll bad signal mask: 19005
dll old termios: 5
api major: 0
api minor: 26
shared data: 3
dll identifier: cygwin1
mount registry: 2
cygnus registry name: Cygnus Solutions
cygwin registry name: Cygwin
program options name: Program Options
cygwin mount registry name: mounts v2
build date: Thu Aug 3 20:53:46 EDT 2000
CVS tag: cygwin-1-1-4
shared id: cygwin1S3
83k 2000/06/11 D:\cygwin\bin\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
"cygitcl30.dll" v0.0 ts=2000/6/10 21:34
35k 2000/06/11 D:\cygwin\bin\cygitk30.dll - os=4.0 img=1.0 sys=4.0
"cygitk30.dll" v0.0 ts=2000/6/10 21:34
402k 2000/06/11 D:\cygwin\bin\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
"cygtcl80.dll" v0.0 ts=2000/6/10 21:30
5k 2000/06/11 D:\cygwin\bin\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
10k 2000/06/11 D:\cygwin\bin\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
"cygtclreg80.dll" v0.0 ts=2000/6/10 21:30
639k 2000/06/11 D:\cygwin\bin\cygtk80.dll - os=4.0 img=1.0 sys=4.0
"cygtk80.dll" v0.0 ts=2000/6/10 21:34
586k 2000/08/04 D:\cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
"cygwin1.dll" v0.0 ts=2000/8/3 18:53
Cygwin DLL version info:
dll major: 1001
dll minor: 4
dll epoch: 19
dll bad signal mask: 19005
dll old termios: 5
api major: 0
api minor: 26
shared data: 3
dll identifier: cygwin1
mount registry: 2
cygnus registry name: Cygnus Solutions
cygwin registry name: Cygwin
program options name: Program Options
cygwin mount registry name: mounts v2
build date: Thu Aug 3 20:53:46 EDT 2000
CVS tag: cygwin-1-1-4
shared id: cygwin1S3
Rick Rauenzahn
MS B216
LANL
Los Alamos, NM 87545
505-665-4990
rick AT lanl DOT gov
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