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Re: maxactive(NNNN) usage
- From: Jey Jay <rjayavrp2 at gmail dot com>
- To: "Frank Ch. Eigler" <fche at redhat dot com>
- Cc: systemtap at sourceware dot org
- Date: Tue, 7 Jan 2014 09:45:05 +0900
- Subject: Re: maxactive(NNNN) usage
- Authentication-results: sourceware.org; auth=none
- References: <CAAKGpwT0Hk_7XNY8t49f_qzrXGzTcP51kD4QN--=qKj4jTaGrA at mail dot gmail dot com> <y0mwqidukh5 dot fsf at fche dot csb>
Frank Ch. Eigler <fche@redhat.com> writes:
> This is working here on various Fedora/RHEL platforms and on various
> systemtap versions. Perhaps the data generated by stap-report might
> help point a finger at a kernel or systemtap version or configuration
> problem.
There was a problem in kprobes. Now this works fine. thanks for the support.
- Jeyaram
On Tue, Jan 7, 2014 at 1:46 AM, Frank Ch. Eigler <fche@redhat.com> wrote:
> Jey Jay <rjayavrp2@gmail.com> writes:
>
>> [...]
>> Below is a sample script(maxactive included).
>> [...]
>> ----- probe hit report:
>> kernel.function("vfs_read@fs/read_write.c:353").call,
>> (maxactive05.stp:6:1), hits: 18, cycles: 0min/0avg/0max, from:
>> kernel.function("vfs_read").call, index: 0
>
>> But there is no response for .return. i.e I'm expecting
>> printf("Testing.... Jay") statement to be executed. Any guidance
>> will help me lot.. Jeyaram
>
> This is working here on various Fedora/RHEL platforms and on various
> systemtap versions. Perhaps the data generated by stap-report might
> help point a finger at a kernel or systemtap version or configuration
> problem.
>
> - FChE