From: Ganapatrao Kulkarni <ganapatrao.kulka...@marvell.com>
This patchset adds PMU driver for Cavium's ThunderX2 SoC UNCORE devices.
The SoC has PMU support in L3 cache controller (L3C) and in the
DDR4 Memory Controller (DMC).
v9:
Updated with comments [5].
[5] https://lkml.org/lkml/2018/11/22/517
v8:
Updated with comments [4].
[4] https://lkml.org/lkml/2018/10/25/215
v7:
Incorporated review comments [3].
Modified driver as loadable module.
Updated Documentation with Event description.
Removed per-channel(no SMC calls) sampling implementation(
Since DMC and L3C channels are interleave, we have decided to
sample channel zero and prorate it to account for a Device).
[3] https://patchwork.kernel.org/patch/10479203/
v6:
Rebased to 4.18-rc1
Updated with comments from John Garry[3]
[3] https://lkml.org/lkml/2018/5/17/408
v5:
Incorporated review comments from Mark Rutland[2]
v4:
Incorporated review comments from Mark Rutland[1]
[1] https://www.spinics.net/lists/arm-kernel/msg588563.html
[2] https://lkml.org/lkml/2018/4/26/376
v3:
Fixed warning reported by kbuild robot
v2:
Rebased to 4.12-rc1
Removed Arch VULCAN dependency.
Update SMC call parameters as per latest firmware.
v1:
Initial patch
Ganapatrao Kulkarni (2):
perf, uncore: Adding documentation for ThunderX2 pmu uncore driver
ThunderX2, perf : Add Cavium ThunderX2 SoC UNCORE PMU driver
Documentation/perf/thunderx2-pmu.txt | 93 +++
drivers/perf/Kconfig | 9 +
drivers/perf/Makefile | 1 +
drivers/perf/thunderx2_pmu.c | 861 +++++++++++++++++++++++++++
include/linux/cpuhotplug.h | 1 +
5 files changed, 965 insertions(+)
create mode 100644 Documentation/perf/thunderx2-pmu.txt
create mode 100644 drivers/perf/thunderx2_pmu.c
--
2.18.0
