drivers/perf: riscv: Add raw event v2 support

Browse source

SBI v3.0 introduced a new raw event type that allows wider
mhpmeventX width to be programmed via CFG_MATCH.

Use the raw event v2 if SBI v3.0 is available.

Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Acked-by: Paul Walmsley <pjw@kernel.org>
Link: https://lore.kernel.org/r/20250909-pmu_event_info-v6-2-d8f80cacb884@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>

...

This commit is contained in:

Atish Patra 2025-09-09 00:03:21 -07:00 • committed by Anup Patel

parent 8c8d0f002b

commit 656ef2ea30

2 changed files with 15 additions and 5 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

arch/riscv/include/asm/sbi.h

View file

16

drivers/perf/riscv_pmu_sbi.c

View file