On Thursday 09 July 2015 03:31 AM, Sukadev Bhattiprolu wrote:
Madhavan Srinivasan [ma...@linux.vnet.ibm.com] wrote:
| Parse device tree to detect supported nest pmu units. Traverse
| through each nest pmu unit folder to find supported events and
| corresponding unit/scale files (if any).
|
Sukadev Bhattiprolu [suka...@linux.vnet.ibm.com] wrote:
| | @@ -50,6 +163,15 @@ static int nest_ima_dt_parser(void)
| | p8ni-vbase = (uint64_t) phys_to_virt(p8ni-pbase);
| | }
| |
| | + /* Look for supported Nest PMU units */
| | + idx = 0;
| | + for_each_node_by_type(dev,
Madhavan Srinivasan [ma...@linux.vnet.ibm.com] wrote:
|
| Are the 'start.*' and 'unit.*' files events by themselves or just attributes
| of events?
|
| These are attributes needed for computation. unit and scale attributes
| will be used by perf tool in post-processing the counter data. These
Parse device tree to detect supported nest pmu units. Traverse
through each nest pmu unit folder to find supported events and
corresponding unit/scale files (if any).
The nest unit event file from DT, will contain the offset in the
reserved memory region to get the counter data for a given event.
Madhavan Srinivasan [ma...@linux.vnet.ibm.com] wrote:
| Parse device tree to detect supported nest pmu units. Traverse
| through each nest pmu unit folder to find supported events and
| corresponding unit/scale files (if any).
|
| The nest unit event file from DT, will contain the offset in the
|