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![Vincent Guittot](/assets/img/avatar_default.png)
We want to track rt_rq's utilization as a part of the estimation of the whole rq's utilization. This is necessary because rt tasks can steal utilization to cfs tasks and make them lighter than they are. As we want to use the same load tracking mecanism for both and prevent useless dependency between cfs and rt code, PELT code is moved in a dedicated file. Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Morten.Rasmussen@arm.com Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: claudio@evidence.eu.com Cc: daniel.lezcano@linaro.org Cc: dietmar.eggemann@arm.com Cc: joel@joelfernandes.org Cc: juri.lelli@redhat.com Cc: luca.abeni@santannapisa.it Cc: patrick.bellasi@arm.com Cc: quentin.perret@arm.com Cc: rjw@rjwysocki.net Cc: valentin.schneider@arm.com Cc: viresh.kumar@linaro.org Link: http://lkml.kernel.org/r/1530200714-4504-2-git-send-email-vincent.guittot@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
31 lines
1.3 KiB
Makefile
31 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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ifdef CONFIG_FUNCTION_TRACER
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CFLAGS_REMOVE_clock.o = $(CC_FLAGS_FTRACE)
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endif
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# These files are disabled because they produce non-interesting flaky coverage
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# that is not a function of syscall inputs. E.g. involuntary context switches.
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KCOV_INSTRUMENT := n
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ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
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# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
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# needed for x86 only. Why this used to be enabled for all architectures is beyond
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# me. I suspect most platforms don't need this, but until we know that for sure
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# I turn this off for IA-64 only. Andreas Schwab says it's also needed on m68k
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# to get a correct value for the wait-channel (WCHAN in ps). --davidm
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CFLAGS_core.o := $(PROFILING) -fno-omit-frame-pointer
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endif
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obj-y += core.o loadavg.o clock.o cputime.o
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obj-y += idle.o fair.o rt.o deadline.o
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obj-y += wait.o wait_bit.o swait.o completion.o
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obj-$(CONFIG_SMP) += cpupri.o cpudeadline.o topology.o stop_task.o pelt.o
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obj-$(CONFIG_SCHED_AUTOGROUP) += autogroup.o
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obj-$(CONFIG_SCHEDSTATS) += stats.o
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obj-$(CONFIG_SCHED_DEBUG) += debug.o
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obj-$(CONFIG_CGROUP_CPUACCT) += cpuacct.o
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obj-$(CONFIG_CPU_FREQ) += cpufreq.o
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obj-$(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) += cpufreq_schedutil.o
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obj-$(CONFIG_MEMBARRIER) += membarrier.o
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obj-$(CONFIG_CPU_ISOLATION) += isolation.o
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