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ddceadce63
linux/kernel/sched
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Tejun Heo ddceadce63 sched_ext: Add support for cgroup bandwidth control interface 
From 077814f57f8acce13f91dc34bbd2b7e4911fbf25 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Fri, 13 Jun 2025 15:06:47 -1000

- Add CONFIG_GROUP_SCHED_BANDWIDTH which is selected by both
  CONFIG_CFS_BANDWIDTH and EXT_GROUP_SCHED.

- Put bandwidth control interface files for both cgroup v1 and v2 under
  CONFIG_GROUP_SCHED_BANDWIDTH.

- Update tg_bandwidth() to fetch configuration parameters from fair if
  CONFIG_CFS_BANDWIDTH, SCX otherwise.

- Update tg_set_bandwidth() to update the parameters for both fair and SCX.

- Add bandwidth control parameters to struct scx_cgroup_init_args.

- Add sched_ext_ops.cgroup_set_bandwidth() which is invoked on bandwidth
  control parameter updates.

- Update scx_qmap and maximal selftest to test the new feature.

Signed-off-by: Tejun Heo <tj@kernel.org>
2025-06-20 17:03:51 -10:00
..
autogroup.c sched: Clean up and standardize #if/#else/#endif markers in sched/autogroup.[ch] 2025-06-13 08:47:14 +02:00
autogroup.h sched: Clean up and standardize #if/#else/#endif markers in sched/autogroup.[ch] 2025-06-13 08:47:14 +02:00
build_policy.c sched/smp: Make SMP unconditional 2025-06-13 08:47:18 +02:00
build_utility.c sched/smp: Make SMP unconditional 2025-06-13 08:47:18 +02:00
clock.c sched: Clean up and standardize #if/#else/#endif markers in sched/clock.c 2025-06-13 08:47:14 +02:00
completion.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
core_sched.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
core.c sched_ext: Add support for cgroup bandwidth control interface 2025-06-20 17:03:51 -10:00
cpuacct.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
cpudeadline.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
cpudeadline.h sched/smp: Make SMP unconditional 2025-06-13 08:47:18 +02:00
cpufreq_schedutil.c sched: Clean up and standardize #if/#else/#endif markers in sched/cpufreq_schedutil.c 2025-06-13 08:47:15 +02:00
cpufreq.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
cpupri.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
cpupri.h sched/smp: Make SMP unconditional 2025-06-13 08:47:18 +02:00
cputime.c sched: Clean up and standardize #if/#else/#endif markers in sched/cputime.c 2025-06-13 08:47:15 +02:00
deadline.c sched/smp: Use the SMP version of the deadline scheduling class 2025-06-13 08:47:20 +02:00
debug.c sched/smp: Use the SMP version of scheduler debugging data 2025-06-13 08:47:20 +02:00
ext_idle.c sched_ext: Return NULL in llc_span 2025-06-16 07:32:37 -10:00
ext_idle.h sched_ext: Always use SMP versions in kernel/sched/ext_idle.h 2025-06-13 14:47:59 -10:00
ext.c sched_ext: Add support for cgroup bandwidth control interface 2025-06-20 17:03:51 -10:00
ext.h sched_ext: Add support for cgroup bandwidth control interface 2025-06-20 17:03:51 -10:00
fair.c sched/core: Reorganize cgroup bandwidth control interface file writes 2025-06-18 13:59:57 +02:00
features.h sched/fair: Untangle NEXT_BUDDY and pick_next_task() 2024-12-09 11:48:13 +01:00
idle.c sched/smp: Use the SMP version of the idle scheduling class 2025-06-13 08:47:21 +02:00
isolation.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
loadavg.c sched: Clean up and standardize #if/#else/#endif markers in sched/loadavg.c 2025-06-13 08:47:16 +02:00
Makefile tracing: Disable branch profiling in noinstr code 2025-03-22 09:49:26 +01:00
membarrier.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
pelt.c sched: Clean up and standardize #if/#else/#endif markers in sched/pelt.[ch] 2025-06-13 08:47:17 +02:00
pelt.h sched/smp: Make SMP unconditional 2025-06-13 08:47:18 +02:00
psi.c sched: Clean up and standardize #if/#else/#endif markers in sched/psi.c 2025-06-13 08:47:17 +02:00
rt.c sched/smp: Use the SMP version of the RT scheduling class 2025-06-13 08:47:20 +02:00
sched-pelt.h sched: Make clangd usable 2025-06-11 11:20:53 +02:00
sched.h sched_ext: Add support for cgroup bandwidth control interface 2025-06-20 17:03:51 -10:00
smp.h sched: Make clangd usable 2025-06-11 11:20:53 +02:00
stats.c sched/smp: Use the SMP version of schedstats 2025-06-13 08:47:21 +02:00
stats.h sched: Clean up and standardize #if/#else/#endif markers in sched/stats.[ch] 2025-06-13 08:47:17 +02:00
stop_task.c sched/smp: Use the SMP version of the stop-CPU scheduling class 2025-06-13 08:47:21 +02:00
swait.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
syscalls.c sched/smp: Use the SMP version of the scheduler syscalls 2025-06-13 08:47:21 +02:00
topology.c sched/smp: Use the SMP version of sched_update_asym_prefer_cpu() 2025-06-13 08:47:21 +02:00
wait_bit.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
wait.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00