RE: [rtl] High Disk activity
AFAIK, this is the case. I even suspect that to introduce a bit of jitter if the call
to rtl_printf (or printk or rt_printk) are too frequent ...
Laurent
"Dresner, Norman A." <[EMAIL PROTECTED]> on 04/03/2001 05:51:13 PM
To: "'Christos Tranoris'" <[EMAIL PROTECTED]>,
Laurent KERSTEN/BE/ALCATEL@ALCATEL
cc: [EMAIL PROTECTED]
Subject: RE: [rtl] High Disk activity
Doesn't that ultimately trigger disk write activity to the file
/var/log/messages from the kernel-memory buffers through klogd?
Norm
> -Original Message-
> From: Christos Tranoris [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, April 03, 2001 8:18 AM
> To: [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]
> Subject: Re: [rtl] High Disk activity
>
> No, I just use the rtl_prinf();
>
>
>
>
>- Original Message -
>From: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
>
>To: Christos Tranoris <mailto:[EMAIL PROTECTED]>
>Sent: Tuesday, April 03, 2001 3:00 PM
>Subject: Re: [rtl] High Disk activity
>
>
>
>
>
>
>
>
>"Christos Tranoris" < [EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> on 04/03/2001 01:25:28 PM
>
>Please respond to "Christos Tranoris" < [EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>>
>
>
>
> To: [EMAIL PROTECTED]
>
> cc: (bcc: Laurent KERSTEN/BE/ALCATEL)
>
>
>
> Subject: [rtl] High Disk activity
>
>
>
>
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>In theory this has nothing to do with HD activity.
>Unless, obvously, you have a linux process reading or writing to the
> HD, or your RT task do a lot of (RT)printk, in which case all the write
> are logged into the message file (/var/log/xxx (xxx depend on you Linux
> distribution)).
>
>Laurent
>
>
>
>Hello,
>just a question.
>Why, I hear my hard disk,
>like it makes many read/writes,
>when I run an RTLinux module?
>This is normal?
>I have just two tasks that they communicate
>via an RT-FIFO...
>
>Christos
>
>
>^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~
> | Christos Tranoris (http://users.otenet.gr/~oggi/ )
> | Phd candidate
> | e-mail (1): [EMAIL PROTECTED]
> | e-mail (2): [EMAIL PROTECTED]
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> | e-mail (4): [EMAIL PROTECTED]
> | Electronics & Computing Sector
> | Electrical & Computer Engineering Dept.
> | University of Patras - 26500 RIO, PATRA, GREECE
> | "Don't worry,
> | I'll think of something." - INDY
>^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~
>
>
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Re: [rtl] High Disk activity
On Tue, Apr 03, 2001 at 03:18:09PM +0300, Christos Tranoris wrote: > > No, I just use the rtl_prinf(); > See at your /var/log/* (probably /var/log/messages) file. See man syslog, man syslogd also. Good-bye! -- WBR & WBW, Vitaly. -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl " | mail [EMAIL PROTECTED] -- For more information on Real-Time Linux see: http://www.rtlinux.org/rtlinux/
RE: [rtl] High Disk activity
Doesn't that ultimately trigger disk write activity to the file /var/log/messages from the kernel-memory buffers through klogd? Norm > -Original Message- > From: Christos Tranoris [SMTP:[EMAIL PROTECTED]] > Sent: Tuesday, April 03, 2001 8:18 AM > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED] > Subject: Re: [rtl] High Disk activity > > No, I just use the rtl_prinf(); > > > > > - Original Message - > From: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > > To: Christos Tranoris <mailto:[EMAIL PROTECTED]> > Sent: Tuesday, April 03, 2001 3:00 PM > Subject: Re: [rtl] High Disk activity > > > > > > > > > "Christos Tranoris" < [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> on 04/03/2001 01:25:28 PM > > Please respond to "Christos Tranoris" < [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > > > >To: [EMAIL PROTECTED] > >cc: (bcc: Laurent KERSTEN/BE/ALCATEL) > > > >Subject: [rtl] High Disk activity > > > > > > In theory this has nothing to do with HD activity. > Unless, obvously, you have a linux process reading or writing to the > HD, or your RT task do a lot of (RT)printk, in which case all the write > are logged into the message file (/var/log/xxx (xxx depend on you Linux > distribution)). > > Laurent > > > > Hello, > just a question. > Why, I hear my hard disk, > like it makes many read/writes, > when I run an RTLinux module? > This is normal? > I have just two tasks that they communicate > via an RT-FIFO... > > Christos > > > ^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~ >| Christos Tranoris (http://users.otenet.gr/~oggi/ ) >| Phd candidate >| e-mail (1): [EMAIL PROTECTED] >| e-mail (2): [EMAIL PROTECTED] >| e-mail (3): [EMAIL PROTECTED] >| e-mail (4): [EMAIL PROTECTED] >| Electronics & Computing Sector >| Electrical & Computer Engineering Dept. >| University of Patras - 26500 RIO, PATRA, GREECE >| "Don't worry, >| I'll think of something." - INDY > ^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~ > > -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl " | mail [EMAIL PROTECTED] -- For more information on Real-Time Linux see: http://www.rtlinux.org/rtlinux/
Re: [rtl] High Disk activity
No, I just use the rtl_prinf(); - Original Message - From: [EMAIL PROTECTED] To: Christos Tranoris Sent: Tuesday, April 03, 2001 3:00 PM Subject: Re: [rtl] High Disk activity "Christos Tranoris" <[EMAIL PROTECTED]> on 04/03/2001 01:25:28 PMPlease respond to "Christos Tranoris" <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] cc: (bcc: Laurent KERSTEN/BE/ALCATEL) Subject: [rtl] High Disk activity In theory this has nothing to do with HD activity.Unless, obvously, you have a linux process reading or writing to the HD, or your RT task do a lot of (RT)printk, in which case all the write are logged into the message file (/var/log/xxx (xxx depend on you Linux distribution)).LaurentHello,just a question.Why, I hear my hard disk,like it makes many read/writes,when I run an RTLinux module?This is normal?I have just two tasks that they communicatevia an RT-FIFO...Christos^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~ | Christos Tranoris (http://users.otenet.gr/~oggi/ ) | Phd candidate | e-mail (1): [EMAIL PROTECTED] | e-mail (2): [EMAIL PROTECTED] | e-mail (3): [EMAIL PROTECTED] | e-mail (4): [EMAIL PROTECTED] | Electronics & Computing Sector | Electrical & Computer Engineering Dept. | University of Patras - 26500 RIO, PATRA, GREECE | "Don't worry, | I'll think of something." - INDY^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~
[rtl] High Disk activity
Hello, just a question. Why, I hear my hard disk, like it makes many read/writes, when I run an RTLinux module? This is normal? I have just two tasks that they communicate via an RT-FIFO... Christos ^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~ | Christos Tranoris (http://users.otenet.gr/~oggi/ ) | Phd candidate | e-mail (1): [EMAIL PROTECTED] | e-mail (2): [EMAIL PROTECTED] | e-mail (3): [EMAIL PROTECTED] | e-mail (4): [EMAIL PROTECTED] | Electronics & Computing Sector | Electrical & Computer Engineering Dept. | University of Patras - 26500 RIO, PATRA, GREECE | "Don't worry, | I'll think of something." - INDY^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~^~v~
