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SubjectRe: [PATCH net-next RFC v4 04/15] devlink: Add reload actions stats to dev get
Tue, Sep 15, 2020 at 02:31:38PM CEST, moshe@nvidia.com wrote:
>
>On 9/15/2020 10:44 AM, Jiri Pirko wrote:
>> Tue, Sep 15, 2020 at 08:45:19AM CEST, idosch@idosch.org wrote:
>> > On Mon, Sep 14, 2020 at 03:45:00PM +0200, Jiri Pirko wrote:
>> > > Mon, Sep 14, 2020 at 08:07:51AM CEST, moshe@mellanox.com wrote:
>> > > > Expose devlink reload actions stats to the user through devlink dev
>> > > > get command.
>> > > >
>> > > > Examples:
>> > > > $ devlink dev show
>> > > > pci/0000:82:00.0:
>> > > > reload_action_stats:
>> > > > driver_reinit 2
>> > > > fw_activate 1
>> > > > driver_reinit_no_reset 0
>> > > > fw_activate_no_reset 0
>> > > > pci/0000:82:00.1:
>> > > > reload_action_stats:
>> > > > driver_reinit 1
>> > > > fw_activate 1
>> > > > driver_reinit_no_reset 0
>> > > > fw_activate_no_reset 0
>> > > I would rather have something like:
>> > > stats:
>> > > reload_action:
>> > > driver_reinit 1
>> > > fw_activate 1
>> > > driver_reinit_no_reset 0
>> > > fw_activate_no_reset 0
>> > >
>> > > Then we can easily extend and add other stats in the tree.
>
>
>Sure, I will add it.

Could you please checkout the metrics patchset and figure out how to
merge that with your usecase?


>
>> > >
>> > > Also, I wonder if these stats could be somehow merged with Ido's metrics
>> > > work:
>> > > https://github.com/idosch/linux/commits/submit/devlink_metric_rfc_v1
>> > >
>> > > Ido, would it make sense?
>> > I guess. My original idea for devlink-metric was to expose
>> > design-specific metrics to user space where the entity registering the
>> > metrics is the device driver. In this case the entity would be devlink
>> > itself and it would be auto-registered for each device.
>> Yeah, the usecase is different, but it is still stats, right.
>>
>>
>> > >
>> > > > $ devlink dev show -jp
>> > > > {
>> > > > "dev": {
>> > > > "pci/0000:82:00.0": {
>> > > > "reload_action_stats": [ {
>> > > > "driver_reinit": 2
>> > > > },{
>> > > > "fw_activate": 1
>> > > > },{
>> > > > "driver_reinit_no_reset": 0
>> > > > },{
>> > > > "fw_activate_no_reset": 0
>> > > > } ]
>> > > > },
>> > > > "pci/0000:82:00.1": {
>> > > > "reload_action_stats": [ {
>> > > > "driver_reinit": 1
>> > > > },{
>> > > > "fw_activate": 1
>> > > > },{
>> > > > "driver_reinit_no_reset": 0
>> > > > },{
>> > > > "fw_activate_no_reset": 0
>> > > > } ]
>> > > > }
>> > > > }
>> > > > }
>> > > >
>> > > [..]

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