(2013/12/09 3:22), Frank Ch. Eigler wrote:
>
> masami.hiramatsu.pt wrote:
>
>> [...]
>> Anyway, as far as I can see, there looks be two different models of
>> tracing in our mind.
>>
>> A) Fixed event based tracing: In this model, there are several fixed
>> "events" which well defined with fixed
(2013/12/09 3:22), Frank Ch. Eigler wrote:
masami.hiramatsu.pt wrote:
[...]
Anyway, as far as I can see, there looks be two different models of
tracing in our mind.
A) Fixed event based tracing: In this model, there are several fixed
events which well defined with fixed arguments.
masami.hiramatsu.pt wrote:
> [...]
> Anyway, as far as I can see, there looks be two different models of
> tracing in our mind.
>
> A) Fixed event based tracing: In this model, there are several fixed
> "events" which well defined with fixed arguments. tracer handles these
> events and only use
masami.hiramatsu.pt wrote:
[...]
Anyway, as far as I can see, there looks be two different models of
tracing in our mind.
A) Fixed event based tracing: In this model, there are several fixed
events which well defined with fixed arguments. tracer handles these
events and only use limited
(2013/12/06 19:05), Jovi Zhangwei wrote:
> On Fri, Dec 6, 2013 at 4:43 PM, Masami Hiramatsu
> wrote:
>> (2013/12/05 14:11), Alexei Starovoitov wrote:
>>> On Wed, Dec 4, 2013 at 4:05 PM, Masami Hiramatsu
>>> wrote:
(2013/12/04 10:11), Steven Rostedt wrote:
> On Wed, 04 Dec 2013 09:48:44
On Fri, Dec 6, 2013 at 4:43 PM, Masami Hiramatsu
wrote:
> (2013/12/05 14:11), Alexei Starovoitov wrote:
>> On Wed, Dec 4, 2013 at 4:05 PM, Masami Hiramatsu
>> wrote:
>>> (2013/12/04 10:11), Steven Rostedt wrote:
On Wed, 04 Dec 2013 09:48:44 +0900
Masami Hiramatsu wrote:
>
(2013/12/05 14:11), Alexei Starovoitov wrote:
> On Wed, Dec 4, 2013 at 4:05 PM, Masami Hiramatsu
> wrote:
>> (2013/12/04 10:11), Steven Rostedt wrote:
>>> On Wed, 04 Dec 2013 09:48:44 +0900
>>> Masami Hiramatsu wrote:
>>>
fetch functions and actions. In that case, we can continue
to
(2013/12/05 14:11), Alexei Starovoitov wrote:
On Wed, Dec 4, 2013 at 4:05 PM, Masami Hiramatsu
masami.hiramatsu...@hitachi.com wrote:
(2013/12/04 10:11), Steven Rostedt wrote:
On Wed, 04 Dec 2013 09:48:44 +0900
Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote:
fetch functions and
On Fri, Dec 6, 2013 at 4:43 PM, Masami Hiramatsu
masami.hiramatsu...@hitachi.com wrote:
(2013/12/05 14:11), Alexei Starovoitov wrote:
On Wed, Dec 4, 2013 at 4:05 PM, Masami Hiramatsu
masami.hiramatsu...@hitachi.com wrote:
(2013/12/04 10:11), Steven Rostedt wrote:
On Wed, 04 Dec 2013 09:48:44
(2013/12/06 19:05), Jovi Zhangwei wrote:
On Fri, Dec 6, 2013 at 4:43 PM, Masami Hiramatsu
masami.hiramatsu...@hitachi.com wrote:
(2013/12/05 14:11), Alexei Starovoitov wrote:
On Wed, Dec 4, 2013 at 4:05 PM, Masami Hiramatsu
masami.hiramatsu...@hitachi.com wrote:
(2013/12/04 10:11), Steven
On Wed, Dec 4, 2013 at 4:05 PM, Masami Hiramatsu
wrote:
> (2013/12/04 10:11), Steven Rostedt wrote:
>> On Wed, 04 Dec 2013 09:48:44 +0900
>> Masami Hiramatsu wrote:
>>
>>> fetch functions and actions. In that case, we can continue
>>> to use current interface but much faster to trace.
>>> Also,
(2013/12/04 10:11), Steven Rostedt wrote:
> On Wed, 04 Dec 2013 09:48:44 +0900
> Masami Hiramatsu wrote:
>
>> (2013/12/03 13:28), Alexei Starovoitov wrote:
>>> Such filters can be written in C and allow safe read-only access to
>>> any kernel data structure.
>>> Like systemtap but with safety
(2013/12/04 10:11), Steven Rostedt wrote:
On Wed, 04 Dec 2013 09:48:44 +0900
Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote:
(2013/12/03 13:28), Alexei Starovoitov wrote:
Such filters can be written in C and allow safe read-only access to
any kernel data structure.
Like systemtap
On Wed, Dec 4, 2013 at 4:05 PM, Masami Hiramatsu
masami.hiramatsu...@hitachi.com wrote:
(2013/12/04 10:11), Steven Rostedt wrote:
On Wed, 04 Dec 2013 09:48:44 +0900
Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote:
fetch functions and actions. In that case, we can continue
to use
On Wed, 04 Dec 2013 09:48:44 +0900
Masami Hiramatsu wrote:
> (2013/12/03 13:28), Alexei Starovoitov wrote:
> > Such filters can be written in C and allow safe read-only access to
> > any kernel data structure.
> > Like systemtap but with safety guaranteed by kernel.
> >
> > The user can do:
> >
(2013/12/03 13:28), Alexei Starovoitov wrote:
> Such filters can be written in C and allow safe read-only access to
> any kernel data structure.
> Like systemtap but with safety guaranteed by kernel.
>
> The user can do:
> cat bpf_program > /sys/kernel/debug/tracing/.../filter
> if tracing event
(2013/12/03 13:28), Alexei Starovoitov wrote:
Such filters can be written in C and allow safe read-only access to
any kernel data structure.
Like systemtap but with safety guaranteed by kernel.
The user can do:
cat bpf_program /sys/kernel/debug/tracing/.../filter
if tracing event is
On Wed, 04 Dec 2013 09:48:44 +0900
Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote:
(2013/12/03 13:28), Alexei Starovoitov wrote:
Such filters can be written in C and allow safe read-only access to
any kernel data structure.
Like systemtap but with safety guaranteed by kernel.
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