MIPS: Add support for fine granularity task level IRQ time accounting

With sched_clock being ready, it makes sense to add the option of IRQ time
accounting -- When we have a fast enough sched_clock, IRQ time accounting
will be enabled (see sched_clock_register).

Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: macro@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9489/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index f2a3f97f88057b5bc73924be1257a5d86afe32af..faa6fb7b780503376211cfe4a6452f126eff205d 100644 (file)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -57,6 +57,7 @@ config MIPS
        select ARCH_BINFMT_ELF_STATE
        select SYSCTL_EXCEPTION_TRACE
        select HAVE_VIRT_CPU_ACCOUNTING_GEN
+       select HAVE_IRQ_TIME_ACCOUNTING
 
 menu "Machine selection"