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801c141955
Collect all utility functionality source code files into a single kernel/sched/build_utility.c file,
via #include-ing the .c files:
kernel/sched/clock.c
kernel/sched/completion.c
kernel/sched/loadavg.c
kernel/sched/swait.c
kernel/sched/wait_bit.c
kernel/sched/wait.c
CONFIG_CPU_FREQ:
kernel/sched/cpufreq.c
CONFIG_CPU_FREQ_GOV_SCHEDUTIL:
kernel/sched/cpufreq_schedutil.c
CONFIG_CGROUP_CPUACCT:
kernel/sched/cpuacct.c
CONFIG_SCHED_DEBUG:
kernel/sched/debug.c
CONFIG_SCHEDSTATS:
kernel/sched/stats.c
CONFIG_SMP:
kernel/sched/cpupri.c
kernel/sched/stop_task.c
kernel/sched/topology.c
CONFIG_SCHED_CORE:
kernel/sched/core_sched.c
CONFIG_PSI:
kernel/sched/psi.c
CONFIG_MEMBARRIER:
kernel/sched/membarrier.c
CONFIG_CPU_ISOLATION:
kernel/sched/isolation.c
CONFIG_SCHED_AUTOGROUP:
kernel/sched/autogroup.c
The goal is to amortize the 60+ KLOC header bloat from over a dozen build units into
a single build unit.
The build time of build_utility.c also roughly matches the build time of core.c and
fair.c - allowing better load-balancing of scheduler-only rebuilds.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Peter Zijlstra <peterz@infradead.org>
71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* These are various utility functions of the scheduler,
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* built in a single compilation unit for build efficiency reasons.
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*
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* ( Incidentally, the size of the compilation unit is roughly
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* comparable to core.c, fair.c, smp.c and policy.c, the other
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* big compilation units. This helps balance build time, while
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* coalescing source files to amortize header inclusion
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* cost. )
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*/
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#include "sched.h"
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#include "sched-pelt.h"
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#include <linux/sched_clock.h>
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#include "clock.c"
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#ifdef CONFIG_CGROUP_CPUACCT
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# include "cpuacct.c"
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#endif
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#ifdef CONFIG_CPU_FREQ
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# include "cpufreq.c"
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#endif
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#ifdef CONFIG_CPU_FREQ_GOV_SCHEDUTIL
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# include "cpufreq_schedutil.c"
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#endif
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#ifdef CONFIG_SCHED_DEBUG
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# include "debug.c"
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#endif
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#ifdef CONFIG_SCHEDSTATS
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# include "stats.c"
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#endif
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#include "loadavg.c"
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#include "completion.c"
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#include "swait.c"
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#include "wait_bit.c"
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#include "wait.c"
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#ifdef CONFIG_SMP
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# include "cpupri.c"
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# include "stop_task.c"
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# include "topology.c"
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#endif
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#ifdef CONFIG_SCHED_CORE
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# include "core_sched.c"
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#endif
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#ifdef CONFIG_PSI
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# include "psi.c"
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#endif
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#ifdef CONFIG_MEMBARRIER
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# include "membarrier.c"
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#endif
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#ifdef CONFIG_CPU_ISOLATION
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# include "isolation.c"
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#endif
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#ifdef CONFIG_SCHED_AUTOGROUP
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# include "autogroup.c"
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#endif
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