On Wed, 4 Jul 2018 at 04:35, Alexander Shishkin
wrote:
>
> Mathieu Poirier writes:
>
> > On Tue, 3 Jul 2018 at 04:57, Alexander Shishkin
> > wrote:
> >>
> >> On Tue, Jul 03, 2018 at 01:03:48PM +0300, Alexander Shishkin wrote:
> >> > On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote
Mathieu Poirier writes:
> Hi Alex,
Hi Mathieu,
> On Tue, 3 Jul 2018 at 04:03, Alexander Shishkin
> wrote:
>>
>> On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
>> > This patch follows what has been done for filters by adding an ioctl()
>> > option to communicate to the kernel
Mathieu Poirier writes:
> On Tue, 3 Jul 2018 at 04:57, Alexander Shishkin
> wrote:
>>
>> On Tue, Jul 03, 2018 at 01:03:48PM +0300, Alexander Shishkin wrote:
>> > On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
>> > > +/*
>> > > + * PMU driver configuration works the same way as
On Tue, 3 Jul 2018 at 04:57, Alexander Shishkin
wrote:
>
> On Tue, Jul 03, 2018 at 01:03:48PM +0300, Alexander Shishkin wrote:
> > On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
> > > +/*
> > > + * PMU driver configuration works the same way as filter management
> > > above,
> >
On Tue, 3 Jul 2018 at 04:03, Alexander Shishkin
wrote:
>
> On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
> > This patch follows what has been done for filters by adding an ioctl()
> > option to communicate to the kernel arbitrary PMU specific configuration
> > that don't fit in
Hi Alex,
On Tue, 3 Jul 2018 at 04:03, Alexander Shishkin
wrote:
>
> On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
> > This patch follows what has been done for filters by adding an ioctl()
> > option to communicate to the kernel arbitrary PMU specific configuration
> > that don
On Tue, 3 Jul 2018 at 07:40, Jiri Olsa wrote:
>
> On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
>
> SNIP
>
> > +static int
> > +perf_event_process_drv_config(struct perf_event *event, char *config_str)
> > +{
> > + int ret = -EINVAL;
> > + void *drv_data;
> > +
> > +
On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
SNIP
> + ret = 0;
> +out:
> + return ret;
> +}
> +
> +static int perf_event_set_drv_config(struct perf_event *event, void __user
> *arg)
> +{
> + int ret = -EINVAL;
> + char *config_str;
> +
> + config_str = str
On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
SNIP
> +static int
> +perf_event_process_drv_config(struct perf_event *event, char *config_str)
> +{
> + int ret = -EINVAL;
> + void *drv_data;
> +
> + /* Make sure ctx.mutex it held */
> + lockdep_assert_held(&event
On Tue, Jul 03, 2018 at 01:03:48PM +0300, Alexander Shishkin wrote:
> On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
> > +/*
> > + * PMU driver configuration works the same way as filter management above,
> > + * but without the need to deal with memory mapping. Driver configurat
On Mon, Jul 02, 2018 at 04:33:29PM -0600, Mathieu Poirier wrote:
> This patch follows what has been done for filters by adding an ioctl()
> option to communicate to the kernel arbitrary PMU specific configuration
> that don't fit in the conventional struct perf_event_attr to the kernel.
Ok, so wha
This patch follows what has been done for filters by adding an ioctl()
option to communicate to the kernel arbitrary PMU specific configuration
that don't fit in the conventional struct perf_event_attr to the kernel.
Signed-off-by: Mathieu Poirier
---
include/linux/perf_event.h | 54 +++
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