alistair23-linux/Documentation/features/time/irq-time-acct/arch-support.txt
Kefeng Wang 31564b8b6d
riscv: Add HAVE_IRQ_TIME_ACCOUNTING
RISCV_TIMER/CLINT_TIMER is required for RISC-V system, and it
provides sched_clock, which allow us to enable IRQ_TIME_ACCOUNTING.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-11-20 18:02:53 -08:00

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#
# Feature name: irq-time-acct
# Kconfig: HAVE_IRQ_TIME_ACCOUNTING
# description: arch supports precise IRQ time accounting
#
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| arch |status|
-----------------------
| alpha: | .. |
| arc: | TODO |
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
| csky: | TODO |
| h8300: | TODO |
| hexagon: | TODO |
| ia64: | .. |
| m68k: | TODO |
| microblaze: | TODO |
| mips: | ok |
| nds32: | TODO |
| nios2: | TODO |
| openrisc: | TODO |
| parisc: | .. |
| powerpc: | ok |
| riscv: | ok |
| s390: | .. |
| sh: | TODO |
| sparc: | .. |
| um: | TODO |
| x86: | ok |
| xtensa: | ok |
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