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Suren Baghdasaryan ea98b60b86 libprocessgroup: Prevent error spam when tests disable all cpus in a cpuset 
UserLifecycleTests test disables all Little cores in the course of the
test, which causes attempts to add a process into /dev/cpuset/restricted
cpuset cgroup to fail with ENOSPC error code, indicating that a process
is joining a cpuset cgroup with no online cpus. Current libprocessgroup
implementation will log an error on each such occurrence, which spams
the logs and makes it hard to analyze test results. Because this
situation does not happen in production environment (we do not offline
cpus), we can prevent flooding the logs by identifying this case,
logging an appropriate error one time and ignore all later similar errors.

Bug: 158766131
Test: adb shell "echo 0 > /sys/devices/system/cpu/cpu[0-3]/online"
Test: start some apps, observe libprocessgroup errors in the logcat
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
(cherry picked from commit ae42d601d0)
(cherry picked from commit 48e692cecd)
Merged-In: Ia91d8839d86787569c255481bde077be51c43d93
Change-Id: Ia91d8839d86787569c255481bde077be51c43d93
2022-03-02 18:17:55 -08:00
bootstat Use libgtest_prod_headers. 2021-04-20 15:22:02 -07:00
cli-test [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
code_coverage [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
debuggerd [MTE] Add a HWASan-style tag dump to tombstones. 2021-06-29 16:17:58 -07:00
diagnose_usb [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
fastboot fastbootd: Delete all VAB partitions during "flashall". 2021-08-11 00:29:07 +00:00
fs_mgr libsnapshot: Fix CHECK failure during second phase merge 2022-01-07 02:36:11 +00:00
gatekeeperd Keystore 2.0: Remove references to Keystore 1.0 2021-03-18 15:32:19 -07:00
healthd [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
include Remove include/backtrace symlink. 2020-10-20 12:46:14 -07:00
init Add /system_ext/etc/selinux/ to the debug policy search path for GSI 2021-11-24 14:38:07 +08:00
janitors
libappfuse [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libasyncio [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libbinderwrapper [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libcrypto_utils Revert "Completely migrate init first stage to Soong" 2021-07-01 06:50:40 +00:00
libcutils Add group ID for reading tracefs 2022-01-14 18:50:40 +00:00
libdiskconfig [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libgrallocusage [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libkeyutils Revert "Completely migrate init first stage to Soong" 2021-07-01 06:50:40 +00:00
libmodprobe Revert "Completely migrate init first stage to Soong" 2021-07-01 06:50:40 +00:00
libnetutils [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libpackagelistparser [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libprocessgroup libprocessgroup: Prevent error spam when tests disable all cpus in a cpuset 2022-03-02 18:17:55 -08:00
libqtaguid [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libsparse [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libstats Use libgtest_prod_headers. 2021-04-20 15:22:02 -07:00
libsuspend [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libsync Replace llndk_library with llndk clause in cc_library 2021-04-21 19:13:41 -07:00
libsystem [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libsysutils [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libusbhost [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libutils libutils: do not follow process's group 2021-12-10 02:53:08 +00:00
libvndksupport Replace llndk_library with llndk clause in cc_library 2021-04-21 19:13:41 -07:00
llkd llkd: Disable in userdebug builds by default 2021-11-11 01:45:06 +00:00
mini_keyctl Separate out libkeyutils and mini_keyctl. 2021-03-16 17:39:00 -07:00
mkbootfs Rename system/cote/cpio/ -> system/core/mkbootfs/ 2021-05-05 19:03:36 +08:00
property_service [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
reboot [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
rootdir Add group ID for reading tracefs 2022-01-14 18:50:40 +00:00
run-as [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
sdcard [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
set-verity-state [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
shell_and_utilities [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
storaged [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
toolbox Update owners for modprobe.c 2021-04-01 12:42:21 -07:00
trusty storageproxyd: discard writes when checkpointing, if necessary 2021-10-13 19:35:18 +00:00
usbd [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
watchdogd [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
.clang-format
.clang-format-2
.clang-format-4
.gitignore
CleanSpec.mk snapshotctl don't auto-merge. 2020-03-03 13:19:49 -08:00
METADATA Add METADATA to system/core: Apache2+BSD=NOTICE 2020-04-29 13:16:41 -07:00
MODULE_LICENSE_APACHE2
OWNERS Remove baligh@ from owners. CodeShuffle done. 2020-10-17 00:28:10 +00:00
PREUPLOAD.cfg Add AOSP preupload hook. 2020-04-23 11:02:00 -07:00
TEST_MAPPING Clean up cc_test TEST_MAPPING after default update 2021-02-19 20:07:05 +00:00