No output from trace file after a few hours
Daniel Doron
danielmeirdoron@gmail.com
Thu Jun 15 07:34:00 GMT 2017
Sorry, I do not know what you mean by that...
On Thu, Jun 15, 2017 at 10:32 AM, Arkady <arkady.miasnikov@gmail.com> wrote:
> Do you have the kernel version pinned?
>
> On Thu, Jun 15, 2017 at 10:12 AM, Arkady <arkady.miasnikov@gmail.com> wrote:
>> Please send the stap script
>>
>> On Thu, Jun 15, 2017 at 10:10 AM, Daniel Doron
>> <danielmeirdoron@gmail.com> wrote:
>>> Hi,
>>>
>>> I built my module to probe a few system calls and functions. Nothing
>>> fancy, no big work in it, just prints some data. Then I wrote a simple
>>> python script to read data directly off the
>>> /sys/kernel/debug/systemtap/mymodule/trace0 file (of course running as
>>> sudo)
>>> I run stap in Flight recorder mode.
>>> After a few hours (varies from 8 to 20) I stop getting any output from
>>> the module...
>>> Any idea how to check why that is?
>>> dmesg does not report anything unusual...
>>>
>>> Thanks.
>>> Daniel.
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