On 2016?09?05? 06:09, Heiko Stuebner wrote: > Hi Caesar, > > Am Samstag, 3. September 2016, 08:13:17 CEST schrieb Caesar Wang: >> Heiko, >> >> What do you think of it? >> Maybe I need re-update these patches on next kernel, and re-test them. > I checked linux-next and the underlying changes seem to all have gone in now, > so we should be fine. > > Updating the patches would be cool. I tried applying them to my dts64 branch > just now, but they don't apply cleanly anymore due to other changes going in > before. > > When you check against linux-next, please take into account that there is no > new linux-next since 20160825 and 20160905 is the next planned linux-next > release (probably Stephen being on holiday). I will update/resend them base on your v4.9-armsoc/dts64 branch. (Wait a moment to retest them) Thanks. > > > Thanks > Heiko > >> On 2016?07?06? 16:05, Caesar Wang wrote: >>> Hello Heiko, Marc & ARM guys >>> >>> When Jay first submitted the rk3399.dtsi upstream >>> <https://patchwork.kernel.org/patch/8885821/> he had the PMU node in >>> there, >>> but then took it out because the upstream binding wasn't done yet. >>> It looks as if the upstream stuff has landed, since in linux/master I see: >>> 287e9357abcc DT/arm,gic-v3: Documment PPI partition support >>> e3825ba1af3a irqchip/gic-v3: Add support for partitioned PPIs >>> 9e2c986cb460 irqchip: Add per-cpu interrupt partitioning library >>> 222df54fd8b7 genirq: Allow the affinity of a percpu interrupt to be >>> set/retrieved 651e8b54abde irqdomain: Allow domain matching on irq_fwspec >>> >>> This series patches add to support the rk3399 SoCs PMU. >>> I pick up the https://patchwork.kernel.org/patch/9209369/. >>> >>> As do some tests with ChromeOs for my rk3399 board. >>> Tested with linus master 4.7-rc6 kernel on rk3399 board. >>> https://github.com/Caesar-github/rockchip/tree/rk3399/pmu-upstream >>> >>> localhost / # perf list >>> >>> List of pre-defined events (to be used in -e): >>> cpu-cycles OR cycles [Hardware event] >>> instructions [Hardware event] >>> cache-references [Hardware event] >>> cache-misses [Hardware event] >>> branch-instructions OR branches [Hardware event] >>> branch-misses [Hardware event] >>> bus-cycles [Hardware event] >>> ... >>> >>> perf stat --cpu 0/1/2/3..... to minitor >>> e.g. cpu0; >>> >>> localhost / # perf stat --cpu 0 >>> >>> Performance counter stats for 'CPU(s) 0': >>> >>> 3374.917571 task-clock (msec) # 1.001 CPUs utilized [100.00%] >>> 20 context-switches # 0.006 K/sec [100.00%] >>> 2 cpu-migrations # 0.001 K/sec [100.00%] >>> 55 page-faults # 0.016 K/sec >>> 7151843 cycles # 0.002 GHz [100.00%] >>> <not supported> stalled-cycles-frontend >>> <not supported> stalled-cycles-backend >>> 4272536 instructions # 0.60 insns per cycle [100.00%] >>> 568406 branches # 0.168 M/sec [100.00%] >>> 65652 branch-misses # 11.55% of all branches >>> >>> Also, 'perf top' to monitor the PMU interrupts from cpus >>> >>> -Caesar >>> >>> >>> Changes in v2: >>> - AS Mark comments on https://patchwork.kernel.org/patch/9209369/ >>> >>> remove the interrupt-affinity property, we need depend on Marc' perf >>> code on https://patchwork.kernel.org/patch/9209369/. >>> >>> Caesar Wang (2): >>> arm64: dts: rockchip: change all interrupts cells for 4 on rk3399 SoCs >>> arm64: dts: rockchip: support the pmu node for rk3399 >>> >>> arch/arm64/boot/dts/rockchip/rk3399.dtsi | 118 >>> ++++++++++++++++++------------- 1 file changed, 69 insertions(+), 49 >>> deletions(-) > > > _______________________________________________ > Linux-rockchip mailing list > Linux-rockchip at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-rockchip -- caesar wang | software engineer | wxt at rock-chip.com
