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Filename Latest commit message Latest commit date
Shile Zhang 0c199348cf sched/rt: Show the 'sched_rr_timeslice' SCHED_RR timeslice tuning knob in milliseconds 
[ Upstream commit 975e155ed8732cb81f55c021c441ae662dd040b5 ]

We added the 'sched_rr_timeslice_ms' SCHED_RR tuning knob in this commit:

  ce0dbbbb30 ("sched/rt: Add a tuning knob to allow changing SCHED_RR timeslice")

... which name suggests to users that it's in milliseconds, while in reality
it's being set in milliseconds but the result is shown in jiffies.

This is obviously confusing when HZ is not 1000, it makes it appear like the
value set failed, such as HZ=100:

  root# echo 100 > /proc/sys/kernel/sched_rr_timeslice_ms
  root# cat /proc/sys/kernel/sched_rr_timeslice_ms
  10

Fix this to be milliseconds all around.

Signed-off-by: Shile Zhang <shile.zhang@nokia.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1485612049-20923-1-git-send-email-shile.zhang@nokia.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-09 09:35:55 +02:00
..
bpf bpf: Explicitly memset the bpf_attr structure 2020-04-02 17:20:40 +02:00
configs config: android: enable CONFIG_SECCOMP 2016-10-11 15:06:32 -07:00
debug kgdb: Avoid suspicious RCU usage warning 2020-07-09 09:35:55 +02:00
events perf: Add cond_resched() to task_function_call() 2020-06-20 10:24:13 +02:00
gcov kernel/gcov/fs.c: gcov_seq_next() should increase position index 2020-05-02 17:23:05 +02:00
irq genirq/generic_pending: Do not lose pending affinity update 2020-06-03 08:16:47 +02:00
livepatch livepatch/module: make TAINT_LIVEPATCH module-specific 2016-08-26 14:42:08 +02:00
locking locktorture: Print ratio of acquisitions, not failures 2020-04-24 07:59:15 +02:00
power PM: hibernate: Freeze kernel threads in software_resume() 2020-05-05 19:14:36 +02:00
printk printk: fix integer overflow in setup_log_buf() 2019-11-28 18:28:15 +01:00
rcu rcuperf: Fix cleanup path for invalid perf_type strings 2019-05-31 06:48:30 -07:00
sched sched/rt: Show the 'sched_rr_timeslice' SCHED_RR timeslice tuning knob in milliseconds 2020-07-09 09:35:55 +02:00
time ptp: fix the race between the release of ptp_clock and cdev 2020-05-20 08:15:32 +02:00
trace tracing: Fix event trigger to accept redundant spaces 2020-06-30 15:38:45 -04:00
.gitignore
acct.c kernel/acct.c: fix the acct->needcheck check in check_free_space() 2018-01-10 09:29:51 +01:00
async.c kernel/async.c: revert "async: simplify lowest_in_progress()" 2018-02-17 13:21:18 +01:00
audit.c audit: check the length of userspace generated audit records 2020-05-02 17:23:12 +02:00
audit.h Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/audit 2016-07-29 17:54:17 -07:00
audit_fsnotify.c
audit_tree.c
audit_watch.c audit_get_nd(): don't unlock parent too early 2019-12-21 10:40:48 +01:00
auditfilter.c audit: fix error handling in audit_data_to_entry() 2020-03-11 07:53:05 +01:00
auditsc.c audit: print empty EXECVE args 2019-11-28 18:28:55 +01:00
backtracetest.c
bounds.c kbuild: fix kernel/bounds.c 'W=1' warning 2018-11-13 11:16:57 -08:00
capability.c ptrace: Capture the ptracer's creds not PT_PTRACE_CAP 2017-01-06 10:40:13 +01:00
cgroup.c cgroup: memcg: net: do not associate sock with unrelated cgroup 2020-03-20 09:07:43 +01:00
cgroup_freezer.c
cgroup_pids.c cgroup: pids: use atomic64_t for pids->limit 2019-12-21 10:42:02 +01:00
compat.c
configs.c
context_tracking.c
cpu.c x86/speculation: Remove redundant arch_smt_update() invocation 2020-04-24 07:58:57 +02:00
cpu_pm.c kernel/cpu_pm: Fix uninitted local in cpu_pm 2020-06-20 10:24:21 +02:00
cpuset.c sched/cpuset/pm: Fix cpuset vs. suspend-resume bugs 2017-10-12 11:51:25 +02:00
crash_dump.c
cred.c memcg: account security cred as well to kmemcg 2020-01-12 11:24:13 +01:00
delayacct.c
dma.c
elfcore.c kernel/elfcore.c: include proper prototypes 2019-10-17 13:42:13 -07:00
exec_domain.c
exit.c exit: Move preemption fixup up, move blocking operations down 2020-06-20 10:24:16 +02:00
extable.c kernel/extable.c: mark core_kernel_text notrace 2017-07-21 07:42:21 +02:00
fork.c kernel/sysctl.c: do not override max_threads provided by userspace 2019-10-17 13:42:44 -07:00
freezer.c freezer, oom: check TIF_MEMDIE on the correct task 2016-07-28 16:07:41 -07:00
futex.c futex: Unbreak futex hashing 2020-04-02 17:20:28 +02:00
futex_compat.c
groups.c kernel: make groups_sort calling a responsibility group_info allocators 2018-01-10 09:29:52 +01:00
hung_task.c kernel: hung_task.c: disable on suspend 2019-04-20 09:07:52 +02:00
irq_work.c
jump_label.c jump_label: Invoke jump_label_test() via early_initcall() 2017-12-14 09:28:24 +01:00
kallsyms.c
kcmp.c
Kconfig.freezer
Kconfig.hz
Kconfig.locks
Kconfig.preempt
kcov.c kcov: ensure irq code sees a valid area 2018-08-03 07:55:12 +02:00
kexec.c kexec: allow architectures to override boot mapping 2016-08-02 19:35:27 -04:00
kexec_core.c objtool, x86: Add several functions and files to the objtool whitelist 2018-06-05 10:28:57 +02:00
kexec_file.c kexec: fix double-free when failing to relocate the purgatory 2016-09-01 17:52:01 -07:00
kexec_internal.h
kmod.c kmod: make request_module() return an error when autoloading is disabled 2020-04-24 07:58:59 +02:00
kprobes.c kretprobe: Prevent triggering kretprobe from within kprobe_flush_task 2020-06-30 15:38:33 -04:00
ksysfs.c kexec: add a kexec_crash_loaded() function 2016-08-02 19:35:30 -04:00
kthread.c kthread, tracing: Don't expose half-written comm when creating kthreads 2018-08-03 07:55:12 +02:00
latencytop.c
Makefile x86/uaccess, kcov: Disable stack protector 2019-06-22 08:17:19 +02:00
membarrier.c Fix: Disable sys_membarrier when nohz_full is enabled 2017-03-12 06:41:45 +01:00
memremap.c mm, devm_memremap_pages: kill mapping "System RAM" support 2019-01-13 10:03:51 +01:00
module-internal.h
module.c kernel/module.c: wakeup processes in module_wq on module unload 2019-12-21 10:42:21 +01:00
module_signing.c
notifier.c x86/mm: split vmalloc_sync_all() 2020-04-02 17:20:26 +02:00
nsproxy.c
padata.c padata: purge get_cpu and reorder_via_wq from padata_do_serial 2020-05-27 16:41:53 +02:00
panic.c panic: ensure preemption is disabled during panic() 2019-10-17 13:42:25 -07:00
params.c
pid.c pidns: disable pid allocation if pid_ns_prepare_proc() is failed in alloc_pid() 2018-04-13 19:47:53 +02:00
pid_namespace.c signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig 2019-08-04 09:33:16 +02:00
profile.c profile: Convert to hotplug state machine 2016-07-15 10:41:42 +02:00
ptrace.c ptrace: Fix ->ptracer_cred handling for PTRACE_TRACEME 2019-07-10 09:55:45 +02:00
range.c
reboot.c
relay.c kernel/relay.c: handle alloc_percpu returning NULL in relay_open 2020-06-11 09:22:20 +02:00
resource.c resource: fix integer overflow at reallocation 2018-04-24 09:34:09 +02:00
seccomp.c seccomp: Move speculation migitation control to arch code 2018-05-22 16:58:02 +02:00
signal.c signal: Extend exec_id to 64bits 2020-04-24 07:58:54 +02:00
smp.c cpu/hotplug: Fix SMT supported evaluation 2018-08-15 18:14:53 +02:00
smpboot.c kthread/smpboot: do not park in kthread_create_on_cpu() 2016-10-11 15:06:33 -07:00
smpboot.h
softirq.c Mark HI and TASKLET softirq synchronous 2018-08-15 18:14:42 +02:00
stacktrace.c stacktrace, lockdep: Fix address, newline ugliness 2017-02-14 15:25:42 -08:00
stop_machine.c stop_machine: Use raw spinlocks 2018-08-03 07:55:24 +02:00
sys.c kernel/sys.c: prctl: fix false positive in validate_prctl_map() 2019-06-22 08:17:13 +02:00
sys_ni.c x86/pkeys: Fix pkeys build breakage for some non-x86 arches 2016-09-13 14:41:36 +02:00
sysctl.c sched/rt: Show the 'sched_rr_timeslice' SCHED_RR timeslice tuning knob in milliseconds 2020-07-09 09:35:55 +02:00
sysctl_binary.c kernel/sysctl_binary.c: use generic UUID library 2016-05-20 17:58:30 -07:00
task_work.c task_work: use READ_ONCE/lockless_dereference, avoid pi_lock if !task_works 2016-08-02 19:35:02 -04:00
taskstats.c taskstats: fix data-race 2020-01-12 11:24:12 +01:00
test_kprobes.c
torture.c torture: Convert torture_shutdown() to hrtimer 2016-08-22 10:01:49 -07:00
tracepoint.c tracepoint: Do not warn on ENOMEM 2018-05-09 09:50:20 +02:00
tsacct.c
ucount.c kernel/ucount.c: mark user_header with kmemleak_ignore() 2017-06-17 06:41:51 +02:00
uid16.c kernel: make groups_sort calling a responsibility group_info allocators 2018-01-10 09:29:52 +01:00
up.c smp: Add function to execute a function synchronously on a CPU 2016-09-05 13:52:39 +02:00
user-return-notifier.c
user.c
user_namespace.c userns: move user access out of the mutex 2018-09-09 20:01:24 +02:00
utsname.c Merge branch 'nsfs-ioctls' into HEAD 2016-09-22 20:00:36 -05:00
utsname_sysctl.c sys: don't hold uts_sem while accessing userspace memory 2018-09-09 20:01:24 +02:00
watchdog.c kernel/watchdog: prevent false hardlockup on overloaded system 2017-06-17 06:41:57 +02:00
watchdog_hld.c kernel/watchdog: prevent false hardlockup on overloaded system 2017-06-17 06:41:57 +02:00
workqueue.c workqueue: don't use wq_select_unbound_cpu() for bound works 2020-03-20 09:07:43 +01:00
workqueue_internal.h workqueue: Fix NULL pointer dereference 2017-11-15 15:53:17 +01:00