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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
arch
ANDROID: gki_defconfig: x86: Enable KERNEL_LZ4
2020-06-22 22:32:10 +00:00
block
ANDROID: block: backport the ability to specify max_dun_bytes
2020-05-14 15:44:27 -07:00
certs
export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR()
2018-08-22 23:21:44 +09:00
crypto
Merge 4.19.124 into android-4.19-stable
2020-05-20 11:37:46 +02:00
Documentation
Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-4.19.y' into android-4.19-stable
2020-06-22 09:42:24 -07:00
drivers
UPSTREAM: fdt: Update CRC check for rng-seed
2020-06-22 15:53:15 +00:00
firmware
Fix built-in early-load Intel microcode alignment
2020-01-23 08:21:29 +01:00
fs
ANDROID: ext4: Optimize match for casefolded encrypted dirs
2020-06-24 22:38:21 +00:00
include
Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-4.19.y' into android-4.19-stable
2020-06-24 13:31:46 -07:00
init
Merge 4.19.124 into android-4.19-stable
2020-05-20 11:37:46 +02:00
ipc
Merge 4.19.124 into android-4.19-stable
2020-05-20 11:37:46 +02:00
kernel
ANDROID: cpufreq: schedutil: drop cache when update skipped due to rate limit
2020-06-25 15:45:30 -07:00
lib
Merge 4.19.129 into android-4.19-stable
2020-06-22 10:50:54 +02:00
LICENSES
LICENSES: Remove CC-BY-SA-4.0 license text
2018-10-18 11:28:50 +02:00
mm
Merge 4.19.129 into android-4.19-stable
2020-06-22 10:50:54 +02:00
net
Merge 4.19.129 into android-4.19-stable
2020-06-22 10:50:54 +02:00
samples
Merge 4.19.126 into android-4.19-stable
2020-06-03 09:23:15 +02:00
scripts
ANDROID: GKI: scripts: Makefile: update the lz4 command
2020-06-22 22:32:00 +00:00
security
Merge 4.19.129 into android-4.19-stable
2020-06-22 10:50:54 +02:00
sound
Merge 4.19.129 into android-4.19-stable
2020-06-22 10:50:54 +02:00
tools
Merge 4.19.129 into android-4.19-stable
2020-06-22 10:50:54 +02:00
usr
initramfs: restore default compression behavior
2020-04-13 10:44:59 +02:00
virt
KVM: arm64: Synchronize sysreg state on injecting an AArch32 exception
2020-06-22 09:05:09 +02:00
.clang-format
clang-format: Set IndentWrappedFunctionNames false
2018-08-01 18:38:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
…
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Merge tag 'kbuild-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2018-04-15 17:21:30 -07:00
.mailmap
Merge tag 'libnvdimm-for-4.19_misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/nvdimm/nvdimm
2018-08-25 18:13:10 -07:00
abi_gki_aarch64_cuttlefish_whitelist
ANDROID: abi_gki_aarch64_cuttlefish_whitelist: remove stale symbols
2020-04-29 10:52:02 +00:00
abi_gki_aarch64_qcom_whitelist
ANDROID: GKI: Update whitelist and defconfig for incfs
2020-06-22 15:08:12 +00:00
abi_gki_aarch64_whitelist
ANDROID: GKI: Update the ABI xml and whitelist
2020-05-14 15:58:13 -07:00
abi_gki_aarch64.xml
ANDROID: update the ABI xml representation
2020-06-23 10:09:27 -07:00
build.config.aarch64
ANDROID: add compat cross compiler
2020-04-27 22:52:19 -07:00
build.config.allmodconfig
ANDROID: build.config.allmodconfig: Re-enable XFS_FS
2020-04-17 08:41:31 +00:00
build.config.allmodconfig.aarch64
ANDROID: Add allmodconfig build.configs for x86_64 and aarch64
2019-11-12 20:55:23 +00:00
build.config.allmodconfig.arm
ANDROID: Add build.config files for ARM 32-bit
2020-03-16 17:43:55 +00:00
build.config.allmodconfig.x86_64
ANDROID: Add allmodconfig build.configs for x86_64 and aarch64
2019-11-12 20:55:23 +00:00
build.config.arm
ANDROID: Add build.config files for ARM 32-bit
2020-03-16 17:43:55 +00:00
build.config.common
ANDROID: Use depmod from the hermetic toolchain
2020-06-22 12:55:38 +00:00
build.config.gki
ANDROID: gki: Removed cf modules from gki_defconfig
2020-01-31 16:23:38 -08:00
build.config.gki_kasan
ANDROID: Rename build.config.gki.arch_kasan
2020-05-05 20:46:14 +00:00
build.config.gki_kasan.aarch64
ANDROID: Drop ABI monitoring from KASAN build config
2020-05-06 11:13:09 +00:00
build.config.gki_kasan.x86_64
ANDROID: Rename build.config.gki.arch_kasan
2020-05-05 20:46:14 +00:00
build.config.gki-debug.aarch64
ANDROID: Fix build.config.gki-debug
2020-05-20 11:50:18 +00:00
build.config.gki-debug.x86_64
ANDROID: Fix build.config.gki-debug
2020-05-20 11:50:18 +00:00
build.config.gki.aarch64
ANDROID: build.config.gki.aarch64: Enable WHITELIST_STRICT_MODE
2020-05-07 08:12:23 +00:00
build.config.gki.x86_64
ANDROID: refactor build.config files to remove duplication
2019-10-22 18:27:12 -07:00
build.config.x86_64
ANDROID: refactor build.config files to remove duplication
2019-10-22 18:27:12 -07:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
9p: remove Ron Minnich from MAINTAINERS
2018-08-17 16:20:26 -07:00
Kbuild
Merge tag 'kbuild-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2017-11-17 17:45:29 -08:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
Merge 4.19.107 into android-4.19
2020-03-03 07:33:01 +01:00
Makefile
Merge 4.19.129 into android-4.19-stable
2020-06-22 10:50:54 +02:00
README
Docs: Added a pointer to the formatted docs to README
2018-03-21 09:02:53 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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