Thanks Padraig.
Any idea how to get the size of running linux kernel ?
Ravi
-Original Message-
From: Pádraig Brady [mailto:[EMAIL PROTECTED]
Sent: Wednesday, November 14, 2007 3:58 AM
To: Ravinandan Arakali (rarakali)
Cc: Vaidyanathan Srinivasan; Linux Kernel
Subject: Re: Question
Thanks Padraig.
Any idea how to get the size of running linux kernel ?
Ravi
-Original Message-
From: Pádraig Brady [mailto:[EMAIL PROTECTED]
Sent: Wednesday, November 14, 2007 3:58 AM
To: Ravinandan Arakali (rarakali)
Cc: Vaidyanathan Srinivasan; Linux Kernel
Subject: Re: Question
TED]
Sent: Sunday, October 21, 2007 10:50 PM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Question about free/used memory on Linux
Ravinandan Arakali (rarakali) wrote:
> Hi Vaidy,
> Thanks for clarifying several of my doubts.
>
> To answer your question abou
10:50 PM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Question about free/used memory on Linux
Ravinandan Arakali (rarakali) wrote:
Hi Vaidy,
Thanks for clarifying several of my doubts.
To answer your question about my intention, we currently have a system
with 2 GB RAM
,
Ravi
-Original Message-
From: Pádraig Brady [mailto:[EMAIL PROTECTED]
Sent: Monday, October 22, 2007 3:05 AM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Question about free/used memory on Linux
Ravinandan Arakali (rarakali) wrote:
> Hi kernel gurus,
> I am
Hi Vaidy,
I will use the metric you have suggested.
Thanks,
Ravi
-Original Message-
From: Vaidyanathan Srinivasan [mailto:[EMAIL PROTECTED]
Sent: Sunday, October 21, 2007 10:50 PM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Question about free/used memory on Linux
Hi Vaidy,
I will use the metric you have suggested.
Thanks,
Ravi
-Original Message-
From: Vaidyanathan Srinivasan [mailto:[EMAIL PROTECTED]
Sent: Sunday, October 21, 2007 10:50 PM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Question about free/used memory on Linux
,
Ravi
-Original Message-
From: Pádraig Brady [mailto:[EMAIL PROTECTED]
Sent: Monday, October 22, 2007 3:05 AM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Question about free/used memory on Linux
Ravinandan Arakali (rarakali) wrote:
Hi kernel gurus,
I am trying
day, October 21, 2007 12:01 PM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Question about free/used memory on Linux
Ravinandan Arakali (rarakali) wrote:
> Hi kernel gurus,
> I am trying to find out the memory that's used on my linux box.
> I find that there are quite a f
Hi kernel gurus,
I am trying to find out the memory that's used on my linux box.
I find that there are quite a few confusing metrics. How do
I find out the "true" used memory ?
1. For eg. "free -m" shows free memory (excluding buffers/caches)
as 308 MB while I can see(from "df" output) that the
Hi kernel gurus,
I am trying to find out the memory that's used on my linux box.
I find that there are quite a few confusing metrics. How do
I find out the true used memory ?
1. For eg. free -m shows free memory (excluding buffers/caches)
as 308 MB while I can see(from df output) that the the
Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Question about free/used memory on Linux
Ravinandan Arakali (rarakali) wrote:
Hi kernel gurus,
I am trying to find out the memory that's used on my linux box.
I find that there are quite a few confusing metrics. How do I find out
the true used
Hi,
When a process dumps core, the do_coredump() initiates the core
file generation. Is this operation synchronous(does the kernel
wait for core to be completely written to disk) ?
Basically, if I have the parent process waiting for exit of
child which dumped core, can the parent access the core
Hi,
When a process dumps core, the do_coredump() initiates the core
file generation. Is this operation synchronous(does the kernel
wait for core to be completely written to disk) ?
Basically, if I have the parent process waiting for exit of
child which dumped core, can the parent access the core
.
Does this look like a fairness/starvation issue ?
Thanks,
Ravi
-Original Message-
From: Ravinandan Arakali (rarakali)
Sent: Thursday, June 14, 2007 10:02 AM
To: Linux Kernel
Subject: Question about scheduling in 2.4.20
Hi,
I have a question about scheduling latencies in 2.4.20. We
.
Does this look like a fairness/starvation issue ?
Thanks,
Ravi
-Original Message-
From: Ravinandan Arakali (rarakali)
Sent: Thursday, June 14, 2007 10:02 AM
To: Linux Kernel
Subject: Question about scheduling in 2.4.20
Hi,
I have a question about scheduling latencies in 2.4.20. We
Hi,
I have a question about scheduling latencies in 2.4.20. We are seeing
that our
process (started with default priority, normal fork, exec) is not
scheduled
on the CPU for 4 seconds (from our kernel traces). Is that possible
under
heavy load ? We believe the process is still alive but I wanted
Hi,
I have a question about scheduling latencies in 2.4.20. We are seeing
that our
process (started with default priority, normal fork, exec) is not
scheduled
on the CPU for 4 seconds (from our kernel traces). Is that possible
under
heavy load ? We believe the process is still alive but I wanted
Thanks Jeremy.
Ravi
-Original Message-
From: Jeremy Fitzhardinge [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 20, 2007 11:12 AM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Multiple instances of program sharing same text segment ?
Ravinandan Arakali (rarakali
Hi,
We have multiple instances of the same executable running on our system.
Do these instances share the text segment or are there multiple copies
of the text segment(one for each process) ? Note that I am not talking
about the shared libraries.
I note that do_exec calls do_mmap to map the
Hi,
We have multiple instances of the same executable running on our system.
Do these instances share the text segment or are there multiple copies
of the text segment(one for each process) ? Note that I am not talking
about the shared libraries.
I note that do_exec calls do_mmap to map the
Thanks Jeremy.
Ravi
-Original Message-
From: Jeremy Fitzhardinge [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 20, 2007 11:12 AM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Multiple instances of program sharing same text segment ?
Ravinandan Arakali (rarakali
]
Sent: Wednesday, March 14, 2007 10:08 AM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Clarification required about select vs wake_up race
condition
On 12/03/07, Ravinandan Arakali (rarakali) <[EMAIL PROTECTED]> wrote:
> Hi,
> I am facing following problem and w
PROTECTED]
Sent: Wednesday, March 14, 2007 4:08 AM
To: Ravinandan Arakali (rarakali)
Cc: linux-kernel@vger.kernel.org
Subject: Re: Clarification required about select vs wake_up race
condition
On Mon, 2007-03-12 at 12:44 -0700, Ravinandan Arakali (rarakali) wrote:
> Hi,
> I am facing f
, 2007 4:08 AM
To: Ravinandan Arakali (rarakali)
Cc: linux-kernel@vger.kernel.org
Subject: Re: Clarification required about select vs wake_up race
condition
On Mon, 2007-03-12 at 12:44 -0700, Ravinandan Arakali (rarakali) wrote:
Hi,
I am facing following problem and was wondering if somebody could
]
Sent: Wednesday, March 14, 2007 10:08 AM
To: Ravinandan Arakali (rarakali)
Cc: Linux Kernel
Subject: Re: Clarification required about select vs wake_up race
condition
On 12/03/07, Ravinandan Arakali (rarakali) [EMAIL PROTECTED] wrote:
Hi,
I am facing following problem and was wondering if somebody
Hi,
I am facing following problem and was wondering if somebody could help
me out.
Our char driver(pretty much like all other char drivers) does a
poll_wait()
and returns status depending on whether data is available to be read.
Even though some data is available to be read(verified using one of
Hi,
I am facing following problem and was wondering if somebody could help
me out.
Our char driver(pretty much like all other char drivers) does a
poll_wait()
and returns status depending on whether data is available to be read.
Even though some data is available to be read(verified using one of
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