And just for the record, I have no financial interest in Coverity or its
parent company. I've been a user of their system at a couple of companies
I've worked for now, but that and my usage of their free service is the only
connection I have with them.
Jeff Haran
Jeff, FWIW, I have
Am 2015-04-16 23:41, schrieb Jeff Haran:
I often read emails on this list from people looking to help and get
started in kernel development. Well, here's a good place to start.
Submit patches to fix some of those Coverity identified kernel bugs.
Some of them will be false positives, but some
:0596554672
(pages: 267-272).
-Original Message-
From: nick [mailto:xerofo...@gmail.com]
Sent: Sunday, April 12, 2015 12:16 AM
To: Ruben Safir; kernelnewbies@kernelnewbies.org; Mohammed Ghriga
Subject: Re: Kernel thread scheduling
On 2015-04-11 11:02 PM, Ruben Safir wrote
=ptbm=bksq=isbn:0596554672
(pages: 267-272).
-Original Message-
From: nick [mailto:xerofo...@gmail.com]
Sent: Sunday, April 12, 2015 12:16 AM
To: Ruben Safir; kernelnewbies@kernelnewbies.org; Mohammed Ghriga
Subject: Re: Kernel thread scheduling
On 2015-04-11 11:02 PM, Ruben
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
How do you search these things out?
Ruben
On Thu, Apr 09, 2015 at 10:52:03PM -0400, nick wrote:
On 2015-04-09 10:12 PM, Ruben Safir wrote:
On 04/09/2015 10:00 PM, nick wrote:
On Thu, Apr 16, 2015 at 4:56 PM, Ruben Safir ru...@mrbrklyn.com wrote:
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
How do you search these things out?
When everything else fails, I use grep
On 04/16/2015 11:07 AM, Ricardo Ribalda Delgado wrote:
On Thu, Apr 16, 2015 at 4:56 PM, Ruben Safir ru...@mrbrklyn.com wrote:
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
How do you search these things out?
When everything
I find that the free electrons LXR has the best search capabilities:
http://lxr.free-electrons.com/source/include/linux/rbtree.h#L35
-M
On Thu, Apr 16, 2015 at 10:56 AM, Ruben Safir ru...@mrbrklyn.com wrote:
I'm trying to find rb_node's structure and I can't find it with ctags or
in the
On 04/16/2015 11:07 AM, Ricardo Ribalda Delgado wrote:
On Thu, Apr 16, 2015 at 4:56 PM, Ruben Safir ru...@mrbrklyn.com wrote:
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
How do you search these things out?
When everything
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
Please use this: Linux 2.6.11 and later http://lxr.linux.no/linux
At the top right there is a text box please type what your searching for,
in this rb_node. It will show you on the
On Thu, Apr 16, 2015 at 5:12 PM, Ruben Safir ru...@mrbrklyn.com wrote:
On 04/16/2015 11:07 AM, Ricardo Ribalda Delgado wrote:
When everything else fails, I use grep
ricardo@neopili:~/curro/qtec/qt5022/kernel-cesium$ git grep rb_node
{ include/
include/linux/rbtree.h:struct rb_node {
On 04/16/2015 11:10 AM, Aruna Hewapathirane wrote:
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
Please use this: Linux 2.6.11 and later http://lxr.linux.no/linux
91 responses is not a useful search...
On 04/16/2015 12:31 PM, Jeff Haran wrote:
From: kernelnewbies-boun...@kernelnewbies.org
[mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Mark P
Sent: Thursday, April 16, 2015 8:12 AM
To: Ruben Safir
Cc: nick; kernelnewbies@kernelnewbies.org
Subject: Re: Kernel thread scheduling
From: kernelnewbies-boun...@kernelnewbies.org
[mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Mark P
Sent: Thursday, April 16, 2015 8:12 AM
To: Ruben Safir
Cc: nick; kernelnewbies@kernelnewbies.org
Subject: Re: Kernel thread scheduling
I find that the free electrons LXR has
-Original Message-
From: kernelnewbies-boun...@kernelnewbies.org [mailto:kernelnewbies-
boun...@kernelnewbies.org] On Behalf Of Ruben Safir
Sent: Thursday, April 16, 2015 10:09 AM
To: kernelnewbies@kernelnewbies.org
Subject: Re: Kernel thread scheduling
On 04/16/2015 12:31 PM
On Thu, Apr 16, 2015 at 02:42:07PM -0400, Ruben Safir wrote:
On 04/16/2015 02:32 PM, John de la Garza wrote:
On Thu, Apr 16, 2015 at 10:56:46AM -0400, Ruben Safir wrote:
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
How do
-Original Message-
From: valdis.kletni...@vt.edu [mailto:valdis.kletni...@vt.edu]
Sent: Thursday, April 16, 2015 11:48 AM
To: Ruben Safir
Cc: Jeff Haran; kernelnewbies@kernelnewbies.org
Subject: Re: Kernel thread scheduling
On Thu, 16 Apr 2015 14:28:59 -0400, Ruben Safir said
On 04/16/2015 02:47 PM, valdis.kletni...@vt.edu wrote:
We're comparing closed Coverty-as-a-service with closed Google-as-a-service.
Seems like a good analogy to me.
well it isn't. It is not demonizing them to state the facts. First of
all, search engines do something you can't do with
First off, if it is not available as free Software, then I won't use it.
That is of course your choice to make.
And it is the correct decision to make. People who make another
decision would not care about the damage they do to themselves and
others by promoting the use of a
On Thu, Apr 16, 2015 at 10:56:46AM -0400, Ruben Safir wrote:
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
How do you search these things out?
I run:
make ctags
run vim
type:
:ts rb_node
then I scanned the
On 04/16/2015 02:32 PM, John de la Garza wrote:
On Thu, Apr 16, 2015 at 10:56:46AM -0400, Ruben Safir wrote:
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
THANK YOU - This is for my archive of useful Linux Hints!!
How do you
On 04/16/2015 02:32 PM, John de la Garza wrote:
On Thu, Apr 16, 2015 at 10:56:46AM -0400, Ruben Safir wrote:
I'm trying to find rb_node's structure and I can't find it with ctags or
in the http://lxr.linux.no website.
How do you search these things out?
That is truly beautiful. Is that
On Thu, 16 Apr 2015 14:28:59 -0400, Ruben Safir said:
Others may come to different conclusions. I use www.google.com on a
regular basis even though I can't download it.
That is not even a good analogy.
We're comparing closed Coverty-as-a-service with closed Google-as-a-service.
Seems like
On April 12, 2015 1:06:57 AM EDT, Ruben Safir ru...@mrbrklyn.com wrote:
On 04/12/2015 12:36 AM, Mohammed Ghriga wrote:
In addition to the suggestions that were offered, I recommend you try
reading Chapter 16:
https://www.google.com/search?tbo=ptbm=bksq=isbn:0596554672 (pages:
267-272).
On 04/12/2015 12:16 AM, nick wrote:
This finds the next node in the red black tree for sched_enities.
Basically rb_next finds the next node in the tree. The argument is
the rb_node structure embedded in the structure using a red black
tree.
The problem is this
struct mystruc {
On 04/11/2015 10:21 PM, Ruben Safir wrote:
On 04/10/2015 09:09 AM, nick wrote:
On 2015-04-09 11:37 PM, Ruben Safir wrote:
On 04/09/2015 10:52 PM, nick wrote:
Before asking questions again like this please look into either using lxr
or ctags
to navigate the kernel tree for answers as can
On 04/12/2015 12:36 AM, Mohammed Ghriga wrote:
In addition to the suggestions that were offered, I recommend you try reading
Chapter 16: https://www.google.com/search?tbo=ptbm=bksq=isbn:0596554672
(pages: 267-272).
http://it-ebooks.info/book/481/
FWIW I found this lovely wait example in
On 2015-04-11 11:02 PM, Ruben Safir wrote:
On 04/11/2015 10:21 PM, Ruben Safir wrote:
On 04/10/2015 09:09 AM, nick wrote:
On 2015-04-09 11:37 PM, Ruben Safir wrote:
On 04/09/2015 10:52 PM, nick wrote:
Before asking questions again like this please look into either using lxr
or ctags
to
On 04/10/2015 09:09 AM, nick wrote:
On 2015-04-09 11:37 PM, Ruben Safir wrote:
On 04/09/2015 10:52 PM, nick wrote:
Before asking questions again like this please look into either using lxr
or ctags
to navigate the kernel tree for answers as can be faster then waiting for
me or
On 03/22/2015 07:30 PM, nick wrote:
I would recommend reading Chapters 3 and 4 of Linux Kernel Development by
Robert Love
as when I was learning the scheduler and process management
how much has the scheduler changed since then. It was completely
overhauled when the CFS was created
On 2015-03-22 08:05 PM, Ruben Safir wrote:
On 03/22/2015 07:30 PM, nick wrote:
I would recommend reading Chapters 3 and 4 of Linux Kernel Development by
Robert Love
as when I was learning the scheduler and process management
how much has the scheduler changed since then. It was
Thank you for the example.
I understand what are the scheduling mechanics depending on task-state.
But suppose another situation.
Let's say I change current state to TASK_INTERRUPTIBLE. If I start now some long
operation, then shouldn't the scheduler kick in as soon as he can and put my
thread
On 2015-03-22 07:14 PM, Vincenzo Scotti wrote:
Thank you for the example.
I understand what are the scheduling mechanics depending on task-state.
But suppose another situation.
Let's say I change current state to TASK_INTERRUPTIBLE. If I start now some
long
operation, then shouldn't
...@kernelnewbies.org
[mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Vincenzo Scotti
Sent: Friday, March 20, 2015 4:20 PM
To: kernelnewbies@kernelnewbies.org
Subject: Kernel thread scheduling
Hello,
I am actually studying kernel threads, and I have some doubts about them.
Let's take
-Original Message-
From: kernelnewbies-boun...@kernelnewbies.org
[mailto:kernelnewbies-boun...@kernelnewbies.org] On Behalf Of Vincenzo Scotti
Sent: Friday, March 20, 2015 4:20 PM
To: kernelnewbies@kernelnewbies.org
Subject: Kernel thread scheduling
Hello,
I am actually studying kernel
Hello,
I am actually studying kernel threads, and I have some doubts about them.
Let's take for example this snippet of code
static int thread_function(void *data)
{
while (!kthread_should_stop()) {
schedule();
}
pr_err(Stopped);
return 0;
}
This
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