diff options
| author | Shaokun Zhang <zhangshaokun@hisilicon.com> | 2021-06-03 15:15:02 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-06-03 09:53:17 +0100 |
| commit | 281e44f5fd4f82d86a2b86f0592c698f7311a674 (patch) | |
| tree | 88d2fc59d771c6f906d73b8814845bb3d34f8054 /drivers/perf/hisilicon | |
| parent | 0d0f144a8f5f9815a180d16ef7d08b6269016897 (diff) | |
arm64: perf: Add more support on caps under sysfs
Armv8.7 has introduced BUS_SLOTS and BUS_WIDTH in PMMIR_EL1 register,
add two entries in caps for bus_slots and bus_width under sysfs. It
will return the true slots and width if the information is available,
otherwise it will return 0.
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Link: https://lore.kernel.org/r/1622704502-63951-1-git-send-email-zhangshaokun@hisilicon.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/perf/hisilicon')
0 files changed, 0 insertions, 0 deletions