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Wei Wang 9de6d75d46 ANDROID: cpufreq: schedutil: drop cache when update skipped due to rate limit 
When frequency limits changed faster than sugov_up_down_rate_limit
permits, the frequency change will be ignored. When a demanding workload
runs with thermal governor which adjusts limits frequently and frequency
relax action missed, the thermal governor will happy to settle (no
further update on limit as thermal condition is maintained). So there
won't be any new limits change. As workload continues to occupy the CPU,
the votes from scheduler is all not updated. All these leads to a
situation where the workload stuck at a low frequency until quits.

If a frequency change is dropped due to rate limit, we should drop the
cache. Besides the above mentioned limits changed case, there are also
other cases when frequency update could be dropped.

Bug: 159936782
Bug: 158863204
Signed-off-by: Wei Wang <wvw@google.com>
Change-Id: I9db69cd3e03f949cfe9a9a416fd33eea3907deec
2020-06-25 15:45:30 -07:00
..
bpf This is the 4.19.120 stable release 2020-05-03 08:48:02 +02:00
cgroup This is the 4.19.127 stable release 2020-06-07 14:25:43 +02:00
configs
debug This is the 4.19.129 stable release 2020-06-22 10:50:54 +02:00
dma ANDROID: GKI: common: dma-mapping: make dma_common_contiguous_remap more robust 2020-05-01 21:57:17 -07:00
events This is the 4.19.129 stable release 2020-06-22 10:50:54 +02:00
gcov This is the 4.19.119 stable release 2020-04-29 17:26:17 +02:00
irq This is the 4.19.116 stable release 2020-04-18 13:33:51 +02:00
livepatch livepatch: Nullify obj->mod in klp_module_coming()'s error path 2019-10-07 18:57:10 +02:00
locking locktorture: Print ratio of acquisitions, not failures 2020-04-23 10:30:23 +02:00
power This is the 4.19.121 stable release 2020-05-06 09:03:15 +02:00
printk ANDROID: GKI: export symbols from abi_gki_aarch64_qcom_whitelist 2020-04-13 21:36:41 +00:00
rcu rcu: Avoid data-race in rcu_gp_fqs_check_wake() 2020-02-11 04:33:55 -08:00
sched ANDROID: cpufreq: schedutil: drop cache when update skipped due to rate limit 2020-06-25 15:45:30 -07:00
time UPSTREAM: timekeeping/vsyscall: Update VDSO data unconditionally 2020-06-15 15:23:37 +00:00
trace Stop the ad-hoc games with -Wno-maybe-initialized 2020-05-20 08:18:45 +02:00
.gitignore BACKPORT: Provide in-kernel headers to make extending kernel easier 2019-06-12 12:33:20 +00:00
acct.c acct_on(): don't mess with freeze protection 2019-05-31 06:46:05 -07:00
async.c
audit.c audit: fix a net reference leak in audit_list_rules_send() 2020-06-22 09:05:13 +02:00
audit.h audit: fix a net reference leak in audit_list_rules_send() 2020-06-22 09:05:13 +02:00
audit_fsnotify.c
audit_tree.c audit: Embed key into chunk 2019-12-13 08:51:11 +01:00
audit_watch.c audit_get_nd(): don't unlock parent too early 2019-12-13 08:51:02 +01:00
auditfilter.c audit: fix a net reference leak in audit_list_rules_send() 2020-06-22 09:05:13 +02:00
auditsc.c audit: print empty EXECVE args 2019-12-01 09:17:17 +01:00
backtracetest.c
bounds.c kbuild: fix kernel/bounds.c 'W=1' warning 2018-11-13 11:08:47 -08:00
capability.c LSM: generalize flag passing to security_capable 2020-01-23 08:21:29 +01:00
cfi.c ANDROID: cfi: fix export symbol types 2020-04-29 19:16:15 +02:00
compat.c make 'user_access_begin()' do 'access_ok()' 2020-06-22 09:04:58 +02:00
configs.c
context_tracking.c
cpu.c This is the 4.19.129 stable release 2020-06-22 10:50:54 +02:00
cpu_pm.c kernel/cpu_pm: Fix uninitted local in cpu_pm 2020-06-22 09:05:28 +02:00
crash_core.c kernel/crash_core.c: print timestamp using time64_t 2018-08-22 10:52:47 -07:00
crash_dump.c
cred.c memcg: account security cred as well to kmemcg 2020-01-09 10:19:00 +01:00
delayacct.c UPSTREAM: delayacct: track delays from thrashing cache pages 2019-03-21 16:25:26 -07:00
dma.c
elfcore.c kernel/elfcore.c: include proper prototypes 2019-10-11 18:21:23 +02:00
exec_domain.c
exit.c This is the 4.19.129 stable release 2020-06-22 10:50:54 +02:00
extable.c
fail_function.c
fork.c This is the 4.19.99 stable release 2020-01-27 15:55:44 +01:00
freezer.c PM / reboot: Eliminate race between reboot and suspend 2018-08-06 12:35:20 +02:00
futex.c futex: Unbreak futex hashing 2020-03-25 08:06:14 +01:00
gen_kheaders.sh UPSTREAM: kheaders: include only headers into kheaders_data.tar.xz 2020-04-16 18:00:25 +00:00
groups.c
hung_task.c kernel: hung_task.c: disable on suspend 2019-04-20 09:16:02 +02:00
iomem.c
irq_work.c irq_work: Do not raise an IPI when queueing work on the local CPU 2019-05-31 06:46:19 -07:00
jump_label.c jump_label: move 'asm goto' support test to Kconfig 2019-06-04 08:02:34 +02:00
kallsyms.c FROMGIT: kallsyms: unexport kallsyms_lookup_name() and kallsyms_on_each_symbol() 2020-03-12 11:18:50 +00:00
kcmp.c
Kconfig.freezer
Kconfig.hz
Kconfig.locks
Kconfig.preempt kconfig: include kernel/Kconfig.preempt from init/Kconfig 2018-08-02 08:06:54 +09:00
kcov.c UPSTREAM: kcov: remote coverage support 2020-01-15 14:51:23 +00:00
kexec.c kexec: add call to LSM hook in original kexec_load syscall 2018-07-16 12:31:57 -07:00
kexec_core.c kexec: Allocate decrypted control pages for kdump if SME is enabled 2019-11-24 08:20:29 +01:00
kexec_file.c
kexec_internal.h
kheaders.c BACKPORT: kheaders: Move from proc to sysfs 2019-06-12 12:33:54 +00:00
kmod.c kmod: make request_module() return an error when autoloading is disabled 2020-04-17 10:48:52 +02:00
kprobes.c kprobes: Fix optimize_kprobe()/unoptimize_kprobe() cancellation logic 2020-03-11 14:14:47 +01:00
ksysfs.c
kthread.c FROMLIST: refactor header includes to allow kthread.h inclusion in psi_types.h 2019-03-22 23:07:04 +00:00
latencytop.c
Makefile This is the 4.19.87 stable release 2019-12-01 09:53:43 +01:00
memremap.c mm/memory_hotplug: shrink zones when offlining memory 2020-01-29 16:43:27 +01:00
module-internal.h modsign: log module name in the event of an error 2018-07-02 11:36:17 +02:00
module.c ANDROID: modules: fix lockprove warning 2020-06-02 16:12:24 +00:00
module_signing.c modsign: log module name in the event of an error 2018-07-02 11:36:17 +02:00
notifier.c x86/mm: split vmalloc_sync_all() 2020-03-25 08:06:13 +01:00
nsproxy.c
padata.c padata: purge get_cpu and reorder_via_wq from padata_do_serial 2020-05-27 17:37:36 +02:00
panic.c UPSTREAM: GKI: panic/reboot: allow specifying reboot_mode for panic only 2020-04-17 05:00:40 +00:00
params.c ANDROID: GKI: export symbols from abi_gki_aarch64_qcom_whitelist 2020-04-13 21:36:41 +00:00
pid.c UPSTREAM: pid: add pidfd_open() 2019-08-12 13:36:37 -04:00
pid_namespace.c signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig 2019-07-26 09:14:01 +02:00
profile.c
ptrace.c ptrace: reintroduce usage of subjective credentials in ptrace_has_cap() 2020-01-23 08:21:29 +01:00
range.c
reboot.c UPSTREAM: GKI: panic/reboot: allow specifying reboot_mode for panic only 2020-04-17 05:00:40 +00:00
relay.c kernel/relay.c: handle alloc_percpu returning NULL in relay_open 2020-06-07 13:17:54 +02:00
resource.c resource: fix locking in find_next_iomem_res() 2019-09-16 08:22:20 +02:00
rseq.c rseq: uapi: Declare rseq_cs field as union, update includes 2018-07-10 22:18:52 +02:00
scs.c FROMLIST: scs: add support for stack usage debugging 2019-11-27 12:37:25 -08:00
seccomp.c LSM: generalize flag passing to security_capable 2020-01-23 08:21:29 +01:00
signal.c This is the 4.19.116 stable release 2020-04-18 13:33:51 +02:00
smp.c cpu/hotplug: Fix "SMT disabled by BIOS" detection for KVM 2019-02-12 19:47:25 +01:00
smpboot.c smpboot: Remove cpumask from the API 2018-07-03 09:20:44 +02:00
smpboot.h
softirq.c nohz: Fix missing tick reprogram when interrupting an inline softirq 2018-08-03 15:52:10 +02:00
stacktrace.c
stop_machine.c Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-08-13 11:25:07 -07:00
sys.c UPSTREAM: arm64: Tighten the PR_{SET, GET}_TAGGED_ADDR_CTRL prctl() unused arguments 2019-10-07 15:27:39 -04:00
sys_ni.c UPSTREAM: signal: support CLONE_PIDFD with pidfd_send_signal 2019-08-12 13:36:37 -04:00
sysctl.c Revert "BACKPORT: mm: reclaim small amounts of memory when an external fragmentation event occurs" 2020-04-14 19:35:27 +08:00
sysctl_binary.c
task_work.c
taskstats.c taskstats: fix data-race 2020-01-09 10:18:59 +01:00
test_kprobes.c
torture.c
tracepoint.c tracepoint: Fix tracepoint array element size mismatch 2018-10-17 15:35:29 -04:00
tsacct.c
ucount.c
uid16.c
uid16.h
umh.c coredump: fix crash when umh is disabled 2020-05-14 07:57:21 +02:00
up.c
user-return-notifier.c
user.c ANDROID: proc: Add /proc/uid directory 2019-03-06 15:59:21 +00:00
user_namespace.c userns: also map extents in the reverse map to kernel IDs 2018-11-13 11:09:00 -08:00
utsname.c
utsname_sysctl.c sys: don't hold uts_sem while accessing userspace memory 2018-08-11 02:05:53 -05:00
watchdog.c watchdog/softlockup: Enforce that timestamp is valid on boot 2020-02-24 08:34:49 +01:00
watchdog_hld.c watchdog: Mark watchdog touch functions as notrace 2018-08-30 12:56:40 +02:00
workqueue.c ANDROID: Fix wq fp check for CFI builds 2020-04-04 16:30:40 +00:00
workqueue_internal.h UPSTREAM: psi: fix aggregation idle shut-off 2019-03-21 16:25:27 -07:00