Files
Alexander Winkowski 6c89e8231e sched: Introduce rotation_ctl
This is WALT rotation logic extracted from core_ctl to avoid
CPU isolation overhead while retaining the performance gain.

Change-Id: I912d2dabf7e32eaf9da2f30b38898d1b29ff0a53
Signed-off-by: Alexander Winkowski <dereference23@outlook.com>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
2026-01-04 11:55:48 +05:30

38 lines
1.6 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0
ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_clock.o = $(CC_FLAGS_FTRACE)
endif
# These files are disabled because they produce non-interesting flaky coverage
# that is not a function of syscall inputs. E.g. involuntary context switches.
KCOV_INSTRUMENT := n
ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
# needed for x86 only. Why this used to be enabled for all architectures is beyond
# me. I suspect most platforms don't need this, but until we know that for sure
# I turn this off for IA-64 only. Andreas Schwab says it's also needed on m68k
# to get a correct value for the wait-channel (WCHAN in ps). --davidm
CFLAGS_core.o := $(PROFILING) -fno-omit-frame-pointer
endif
obj-y += core.o loadavg.o clock.o cputime.o
obj-y += idle_task.o fair.o rt.o deadline.o
obj-y += wait.o wait_bit.o swait.o completion.o idle.o
obj-$(CONFIG_SMP) += cpupri.o cpudeadline.o topology.o stop_task.o sched_avg.o
obj-$(CONFIG_GENERIC_ARCH_TOPOLOGY) += energy.o
obj-$(CONFIG_SCHED_WALT) += walt.o boost.o
obj-$(CONFIG_SCHED_AUTOGROUP) += autogroup.o
obj-$(CONFIG_SCHEDSTATS) += stats.o
obj-$(CONFIG_SCHED_DEBUG) += debug.o
obj-$(CONFIG_SCHED_TUNE) += tune.o
obj-$(CONFIG_CGROUP_CPUACCT) += cpuacct.o
obj-$(CONFIG_CPU_FREQ) += cpufreq.o
obj-$(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) += cpufreq_schedutil.o
obj-$(CONFIG_MEMBARRIER) += membarrier.o
obj-$(CONFIG_SCHED_CORE_CTL) += core_ctl.o
ifndef CONFIG_SCHED_CORE_CTL
obj-$(CONFIG_SCHED_WALT) += rotation_ctl.o
endif
obj-$(CONFIG_PSI) += psi.o