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| author | Atish Patra <atish.patra@wdc.com> | 2022-02-18 16:46:55 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-03-21 14:58:25 -0700 |
| commit | 9b3e150e310ee71d7bae1e31c38a300cfa5e951b (patch) | |
| tree | 28265a280435ea8c707d06c1a6e1255a1b44ffe7 /drivers/perf/Makefile | |
| parent | f5bfa23f576fdcc8e0b7fbff44cf70bd69ff9bdb (diff) | |
| download | lwn-9b3e150e310ee71d7bae1e31c38a300cfa5e951b.tar.gz lwn-9b3e150e310ee71d7bae1e31c38a300cfa5e951b.zip | |
RISC-V: Add a simple platform driver for RISC-V legacy perf
The old RISC-V perf implementation allowed counting of only
cycle/instruction counters using perf. Restore that feature by implementing
a simple platform driver under a separate config to provide backward
compatibility. Any existing software stack will continue to work as it is.
However, it provides an easy way out in future where we can remove the
legacy driver.
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'drivers/perf/Makefile')
| -rw-r--r-- | drivers/perf/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/perf/Makefile b/drivers/perf/Makefile index 09082dea154b..c3d3268d495b 100644 --- a/drivers/perf/Makefile +++ b/drivers/perf/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_HISI_PMU) += hisilicon/ obj-$(CONFIG_QCOM_L2_PMU) += qcom_l2_pmu.o obj-$(CONFIG_QCOM_L3_PMU) += qcom_l3_pmu.o obj-$(CONFIG_RISCV_PMU) += riscv_pmu.o +obj-$(CONFIG_RISCV_PMU_LEGACY) += riscv_pmu_legacy.o obj-$(CONFIG_THUNDERX2_PMU) += thunderx2_pmu.o obj-$(CONFIG_XGENE_PMU) += xgene_pmu.o obj-$(CONFIG_ARM_SPE_PMU) += arm_spe_pmu.o |