Messages in this thread | | | From | Atish Patra <> | Date | Fri, 14 Jul 2023 01:01:01 -0700 | Subject | Re: [PATCH v4 03/10] riscv: Make legacy counter enum match the HW numbering |
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On Mon, Jul 3, 2023 at 5:49 AM Alexandre Ghiti <alexghiti@rivosinc.com> wrote: > > RISCV_PMU_LEGACY_INSTRET used to be set to 1 whereas the offset of this > hardware counter from CSR_CYCLE is actually 2: make this offset match the > real hw offset so that we can directly expose those values to userspace. > > Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> > Reviewed-by: Andrew Jones <ajones@ventanamicro.com> > --- > drivers/perf/riscv_pmu_legacy.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/perf/riscv_pmu_legacy.c b/drivers/perf/riscv_pmu_legacy.c > index ca9e20bfc7ac..6a000abc28bb 100644 > --- a/drivers/perf/riscv_pmu_legacy.c > +++ b/drivers/perf/riscv_pmu_legacy.c > @@ -13,7 +13,7 @@ > #include <linux/platform_device.h> > > #define RISCV_PMU_LEGACY_CYCLE 0 > -#define RISCV_PMU_LEGACY_INSTRET 1 > +#define RISCV_PMU_LEGACY_INSTRET 2 > > static bool pmu_init_done; > > -- > 2.39.2 >
Reviewed-by: Atish Patra <atishp@rivosinc.com>
-- Regards, Atish
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