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* Make VMCompilationPerformance an aggregated profile with defaultVictor Hsieh2022-05-161-13/+4
| | | | | | | | | | | | | | | | | | | | | | The VMCompilationPerformance profile is used to run Isolated Compilation in a Protected VM, normally during the device idle, where relevant APEXes are staged. The original VMCompilationPerformance introduced in aosp/2060891 does not have any specific definition and requires vendors to customize it. This change re-defines it as an aggregated profile with a default set of existing profiles, so that performance can be reasonable by default. This profile may be renamed to a more generic name later, e.g. "SCHED_SP_COMPUTE". Bug: 231437770 Test: Run `composd_cmd test-compile` on a local device. Before: 1m50s +/- 10s (with whatever that's default) After: 1m25s +/- 5s Ignore-AOSP-First: cherry pick from aosp/2097065 Change-Id: Ib8cd65782c818474fb129efbd9ef9a3e23ad1eb3 Merged-In: Ib8cd65782c818474fb129efbd9ef9a3e23ad1eb3
* libprocessgroup: Add a function to remove only empty process groupsSuren Baghdasaryan2022-05-042-5/+29
| | | | | | | | | | | | When system_server and zygote crash or get killed, all apps also get killed but their process groups are left empty. Provide a function to remove all empty process groups so that init can purge them when this even happens. Bug: 228160715 Signed-off-by: Suren Baghdasaryan <surenb@google.com> Change-Id: Ife38ca021e80cd38106f218ae13183e8c2631bf0 Merged-In: Ife38ca021e80cd38106f218ae13183e8c2631bf0
* Fix: null name is added when using android_set_process_profilesJiyong Park2022-04-201-1/+2
| | | | | | | | | | | | | This CL fixes a bug that null names are passed when profiles are set via android_set_process_profiles. This is because the `profiles_` vector was initialized with the number of task profiles and then we append the actual task profile names to the vector. As a result, when {"a", "b"} was given, the vector ended up having {"", "", "a", "b"}. Fixing this by correctly using reserve(). Bug: N/A Test: m Change-Id: I28d6c2e891b01a2d3a8a88d9d0652fe0dbffac96
* Merge "Add profile for VM compilation"Rick Yiu2022-04-201-1/+13
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| * Add profile for VM compilationRick Yiu2022-04-191-1/+13
| | | | | | | | | | | | | | | | Add VMCompilationPerformance. Bug: 223790172 Test: build pass Change-Id: I27b939ddee4b039ba3037195a4f23c823bf9c8ff
* | c wrapper for SetProcessProfilesJiyong Park2022-04-151-0/+14
| | | | | | | | | | | | | | | | | | | | The wrapper is to call SetProcessFiles (C++ API) from crosvm via FFI. Bug: 223790172 Bug: 216788146 Test: m Change-Id: If342ca0d19deb1cb7ee581bba2cc543385199cbe
* | Reland "libprocessgroup: return false on failure"Inseob Kim2022-04-131-4/+10
| | | | | | | | | | | | | | | | This reverts commit c109b13b5a72f9dd357864f7fe5748c81b4f2310. Reason for revert: uploading with a CL fixing the broken test Change-Id: I97a0a49ded8bc17c2d70c82f8e48fce09e49b2bd
* | Revert "libprocessgroup: return false on failure"Jiyong Park2022-04-121-10/+4
| | | | | | | | | | | | | | | | This reverts commit 9818f95c9e6ec2e058ab4ae6ed0d1ffdd8eb94fe. Reason for revert: broke some tests. b/228910109 Change-Id: I2d5f837969e433b765de89d899fc172ceeef27a6
* | libprocessgroup: return false on failureJiyong Park2022-04-111-4/+10
|/ | | | | | | | | | SetProcessProfiles and SetTaskProfiles now correctly return false on failure. Bug: N/A Test: settaskprofile <some_pid> <non_existing_name> Change-Id: I7936303e71cd073c0ba713109328b960c66bdacc
* Add a comment to explain how errno is setBart Van Assche2022-03-311-0/+3
| | | | | | | | | | Since it is nontrivial which modifies `errno` is modified in ExecuteForTask(), add a comment that explains this. Bug: 213617178 Test: Compile-tested only. Change-Id: I49ce9c8054fdc59e61b2e5f9ffe6f16743a94401 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Merge "Revert "Migrate the blkio controller to the v2 cgroup hierarchy""Wei Wang2022-03-302-111/+19
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| * Revert "Migrate the blkio controller to the v2 cgroup hierarchy"Bart Van Assche2022-03-302-111/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Revert "Migrate the blkio controller to the cgroup v2 hierarchy" Revert "Migrate the blkio controller to the cgroup v2 hierarchy" Revert "Migrate the blkio controller to the cgroup v2 hierarchy" Revert submission 1962326-blkio-cgroup-v2 Reason for revert: This set of changes is suspected to have caused a redfin boot time regression for the git_tm-dev branch. Reverted Changes: Id18d876b6:Migrate the blkio controller to the cgroup v2 hier... I7dfa52136:Migrate the blkio controller to the v2 cgroup hier... I5336167be:Migrate the blkio controller to the cgroup v2 hier... I3f0131d8f:Migrate the blkio controller to the cgroup v2 hier... Ibb62b2d4d:Migrate the blkio controller to the cgroup v2 hier... Bug: 227382327 Bug: 227389363 Change-Id: I6c8183ed1c3044c8947c4fca07799deff98101b3
* | Revert "Fix the cgroup directory owner in createProcessGroupInternal()"Bart Van Assche2022-03-301-2/+4
|/ | | | | | | | | | This reverts commit 812d7698d8728bba08c5abc27d58413d17f776de. Reason for revert: this patch is suspected to have caused b/227337425. Bug: 227337425 Bug: 227331047 Change-Id: I4ae26ccf61ad7c63dacc85da878ba0920736951c
* Migrate the blkio controller to the v2 cgroup hierarchyBart Van Assche2022-03-282-19/+111
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch preserves the following parameter values: * Foreground BFQ weight: 100 * Foreground CFQ group_idle: 0 * Foreground CFQ weight: 1000 * Background BFQ weight: 10 * Background CFQ group_idle: 0 * Background CFQ weight: 200 The foreground BFQ weight in task_profiles.json is the default BFQ weight. From https://www.kernel.org/doc/Documentation/block/bfq-iosched.txt: "weight (namely blkio.bfq.weight or io.bfq-weight): the weight of the group inside its parent. Available values: 1..10000 (default 100). The linear mapping between ioprio and weights, described at the beginning of the tunable section, is still valid, but all weights higher than IOPRIO_BE_NR*10 are mapped to ioprio 0." Bug: 213617178 Test: Booted Android in Cuttlefish and ran the following test: Test: adb -e shell cat /sys/fs/cgroup/*/*/io.bfq.weight | sort | uniq -c Test: 22 default 10 Test: 98 default 100 Change-Id: I7dfa521363a316592852fecce9192708c7a90514 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Canonicalize cgroup pathsBart Van Assche2022-03-251-2/+4
| | | | | | | | | | | | | Make it possible to verify whether the memory cgroup controller has been mounted in the v2 hierarchy by comparing its path with the cgroup v2 path. This patch changes the path of cgroup controllers mounted in the v2 hierarchy from /sys/fs/cgroup/. into /sys/fs/cgroup (no trailing /.). Bug: 213617178 Test: Added debug code that prints the path for the memory cgroup in the Test: v2 hierarchy. Change-Id: I8a2764a6daae84caecf360a918eab62778e3f546 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Micro-optimize MergeCgroupToDescriptors()Bart Van Assche2022-03-251-2/+5
| | | | | | | | | | | Introduce a local variable for an expression that occurs twice. Use string append instead of string concatenation because the former is more efficient. Bug: 213617178 Test: Compile-tested only. Change-Id: I6e8b9d63b10accb220216dc484dffd18f5c54ce7 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Fix support for optional cgroup attributesBart Van Assche2022-03-251-1/+1
| | | | | | | | | | | | | | | | | | | The Linux kernel returns error code EACCES (Permission denied) if either a cgroup attribute does not exist or if the process that is trying to write into a cgroup attribute does not have permission to write. In other words, it is not possible to tell the difference between these two scenarios by checking the value of 'errno'. Hence this patch that adds a stat() call to check whether or not a cgroup attribute exists. This patch makes lines like the following disappear from logcat for optional cgroup attributes: 03-22 23:16:04.816 616 649 E libprocessgroup: Failed to write '0' to /sys/fs/cgroup/./uid_10077/p id_1695/io.group_idle: Permission denied Bug: 213617178 Test: Booted Android in Cuttlefish and inspected logcat. Change-Id: I6e041dfc34a52c9bdb75a8c70d99ad79b06eee06 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Fix the cgroup directory owner in createProcessGroupInternal()Bart Van Assche2022-03-251-4/+2
| | | | | | | | | | | | | | | | | | | | Without this patch attempts to modify the blkio cgroup attributes by /system/bin/mediaserver fail as follows: 03-23 09:27:59.542 517 1811 E libprocessgroup: Failed to write '100' to /sys/fs/cgroup/./uid_1013/pid_517/io.bfq.weight: Permission denied This is because the mediaserver process is started as user 'media', because the mediaserver process is not in the system group and hence does not have permission to write into a directory with the following owner, group and permissions: vsoc_x86_64:/ # ls -ld /sys/fs/cgroup/./uid_1013/pid_517/io.bfq.weight -rwxrwxr-x 1 system system 0 2022-03-23 09:27 /sys/fs/cgroup/./uid_1013/pid_517/io.bfq.weight Bug: 213617178 Test: Booted Android in Cuttlefish and inspected logcat. Change-Id: I788acc9a137ae29898177f492cae2f954a9c811c Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Fix the stat() return value check in createProcessGroupInternal()Bart Van Assche2022-03-241-1/+1
| | | | | | | | | | | | | From the stat() man page: "RETURN VALUE On success, zero is returned. On error, -1 is returned, and errno is set appropriately." Hence check for failure by checking whether the return value is negative instead of 1. Bug: 213617178 Test: Booted Android in Cuttlefish and inspected logcat. Fixes: 9e628a6b42ac ("libprocessgroup: fix uid/pid hierarchy for recovery mode") Change-Id: I774d142058b083403d32b3f6aae4a4b3de00192c Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Use the proper memcg directory for the v2 hierarchyBart Van Assche2022-03-231-11/+31
| | | | | | | | | | | | When using the v1 hierarchy per process memcg directories exist under /dev/memcg/apps. When using the v2 hierarchy per process memcg directories exist under /sys/fs/cgroup. Hence this patch that selects the proper top-level directory depending on the memcg version. Bug: 213617178 Test: Verified Android operation inside the Cuttlefish emulator. Change-Id: I7373fb407cb6ad2b1181579691ff54886fd36c24 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Enable the memory_recursiveprot mount optionBart Van Assche2022-03-231-2/+12
| | | | | | | | | | | | | | | | | | | Enable the memory_recursiveprot mount option for v2 cgroups because the v2 memcg documentation mentions the following: "Recursively apply memory.min and memory.low protection to entire subtrees, without requiring explicit downward propagation into leaf cgroups. This allows protecting entire subtrees from one another, while retaining free competition within those subtrees. This should have been the default behavior but is a mount-option to avoid regressing setups relying on the original semantics (e.g. specifying bogusly high 'bypass' protection values at higher tree levels)." Source: https://www.kernel.org/doc/Documentation/admin-guide/cgroup-v2.rst Bug: 213617178 Test: Verified this change inside the Cuttlefish emulator. Change-Id: Iecd86109d9ecb9d3354f9d28577b147edf7c50a8 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Add support for memcg v2 attributesBart Van Assche2022-03-174-10/+51
| | | | | | | | | | | | | | | | | | | | | Some but not all memcg v1 attributes exist in the v2 hierarchy. The following information comes from Shakeel Butt and Kamil Yurtsever, "cgroup v2 migration at Google", Linux Plumbers Conference 2018 ( https://lpc.events/event/2/contributions/204/attachments/143/378/LPC2018-cgroup-v2.pdf ): v1 v2 -------------------------- ---------- memory.limit_in_bytes memory.max memory.soft_limit_in_bytes memory.low Add support for cgroup attributes that have different names in the v1 and v2 hierarchies. Also add those memcg attributes that are used in lmkd. Bug: 213617178 Test: Tested lmkd with v1 and v2 memcg. Change-Id: Ia5c5f02974f3b783d5cdaad85b33169ced8db55f Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Add support for optional cgroup attributesBart Van Assche2022-03-165-5/+251
| | | | | | | | | | | Cgroup attributes like io.weight or io.bfq.weight only exist if the corresponding I/O scheduler has been loaded. Hence add support for ignoring failures to write to a cgroup attribute that does not exist. Bug: 213617178 Test: This patch has been tested in combination with patch "Migrate the blkio controller to the cgroup v2 hierarchy". Change-Id: I5debafabc4dd430a1b98ea343bf3740c764edcc3 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Use uid_t for user IDs and gid_t for group IDsBart Van Assche2022-03-151-2/+2
| | | | | | | | | | | | This patch makes the intent of the code more clear without changing any functionality since uid_t and gid_t are both aliases for uint32_t on Android systems. See also https://cs.android.com/android/platform/superproject/+/master:bionic/libc/include/sys/types.h Bug: 213617178 Test: Compile-tested only. Change-Id: Ib5012456a7357e79368f00e71e9a280fd6f96063 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Fix cgroup directory permissionsBart Van Assche2022-03-151-2/+2
| | | | | | | | | | | | | | | | | | | | | | Cgroup attributes are set from three different contexts: (1) From the process that creates the cgroup directories. These processes are /system/bin/init, zygote and zygote64. (2) From the created process. Some but not all created processes have user ID and/or group ID 'system'. (3) The system_server process modifies certain cgroup attributes from other processes. Allow all processes from the system group, including system_server, to modify cgroup attributes from other processes. As one can see in init.rc, that file includes commands for granting the system group write permission for blkcg attributes. See also https://cs.android.com/android/platform/superproject/+/master:system/core/rootdir/init.rc Bug: 213617178 Test: Verified in the Cuttlefish emulator that this patch makes the Test: io.bfq.weight write errors disappear from logcat. Change-Id: Idbfb49c25afec12b21daea7a17db5322bc981ff0 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Simplify cgroups.jsonBart Van Assche2022-03-151-4/+1
| | | | | | | | | | | cgroups.json causes the following changes to be applied twice to /sys/fs/cgroup: change user ID to system, change group ID to system and change mode to 0755. Apply these settings once instead of twice. Bug: 213617178 Test: Ran ls -ld /sys/fs/cgroup in Cuttlefish. Change-Id: Ieb953c186c027b989599cbbaa70a9c9324678cdf Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Merge "Support process path for WriteFileAction"Wei Wang2022-03-012-45/+91
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| * Support process path for WriteFileActionRick Yiu2022-02-262-45/+91
| | | | | | | | | | | | | | | | | | | | | | Currently, there is no distinguish between SetTaskProfiles and SetProcessProfiles in WriteFileAction because they use the same task path. Add ProcFilePath attribute so that WriteFileAction could use a separate path for process in SetProcessProfiles. Bug: 218684257 Test: function works Change-Id: I004b8c8799240c54f1ef1fed0566fa5057341cf4
* | Make task profiles easier to debugBart Van Assche2022-02-182-3/+15
|/ | | | | | | | | | | | Add support for querying the task profile and action names at runtime. Log more information with verbose logging enabled. The additional logging statements make it easier to verify whether changes in task_profiles.json work as expected. Bug: 213617178 Test: Booted Android in Cuttlefish. Change-Id: I175e46d142bb015732b135952fdbeb9986f20ee3 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Introduce interface class IProfileAttributeBart Van Assche2022-02-153-12/+24
| | | | | | | | | | This patch does not change any functionality but makes it easier to add unit tests in a later patch. Bug: 213617178 Test: Compile-tested only. Change-Id: I6fbbb3297795c9d7ece8fb3263b3a9b0e5115b18 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Make two error messages more detailedBart Van Assche2022-02-151-2/+3
| | | | | | | | | | Provide context information to make it easier to map error messages to the source code that reported these error messages. Bug: 213617178 Test: Booted Android in Cuttlefish and verified the error messages in logcat. Change-Id: I22e6d91476d91dcf32bafe5ead922e5652136584 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Use the 'override' keyword where appropriateBart Van Assche2022-02-151-17/+17
| | | | | | | | | | | | | | | | | This patch implements the following advice from the Google C++ Style Guide: "Explicitly annotate overrides of virtual functions or virtual destructors with exactly one of an override or (less frequently) final specifier. Do not use virtual when declaring an override. Rationale: A function or destructor marked override or final that is not an override of a base class virtual function will not compile, and this helps catch common errors. The specifiers serve as documentation; if no specifier is present, the reader has to check all ancestors of the class in question to determine if the function or destructor is virtual or not." Bug: 213617178 Test: Booted Android in Cuttlefish. Change-Id: Iabe7ecd91a2c09a77922c60ff4a00314da509d4a Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Micro-optimize CgroupMap::ActivateControllers()Bart Van Assche2022-02-151-1/+2
| | | | | | | | | | | | The C++ string concatenation operator is inefficient because it always allocates a new string, even in cases where std::string::apppend() does not allocate a new string. Hence this patch that replaces string concatenation with a call to std::string::append(). Bug: 213617178 Test: Booted Android in Cuttlefish. Change-Id: I79bdb89e957d3cfb40e48ef00c3e5576b4f533a5 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* Make class SetTimerSlackAction easier to maintainBart Van Assche2022-02-152-14/+6
| | | | | | | | | | Unify the Darwin and Linux class declarations. Move all #ifdefs for this class into the .cpp file. This patch does not change any functionality. Bug: 213617178 Test: Booted Android in Cuttlefish. Change-Id: I6a3cedc75c2dbf8aa062edda76cae9959767a763 Signed-off-by: Bart Van Assche <bvanassche@google.com>
* libprocessgroup: Add fd caching support for SetProcessProfilesSuren Baghdasaryan2022-01-254-78/+143
| | | | | | | | | | | Process profiles operating on paths that do not depend on pid or uid of the process can cache the fd of the file they are operating on. Add support for fd caching similar to how SetTaskProfiles caches the fd of the file it needs to write to. Bug: 215557553 Signed-off-by: Suren Baghdasaryan <surenb@google.com> Change-Id: Ie73ebcbbf1919d90409f40c1f6b08743f4edf97c
* libprocessgroup: Move fd caching code into FdCacheHelperSuren Baghdasaryan2022-01-252-90/+100
| | | | | | | | | | | Refactor file descriptor caching code and move it into FdCacheHelper because later on when we introduce fd caching for SetProcessProfiles the children of CachedFdProfileAction become different enough that sharing the same parent becomes a hindrance. Bug: 215557553 Signed-off-by: Suren Baghdasaryan <surenb@google.com> Change-Id: If3812a0090c81a29e25f0888b0511cfaf48edea3
* libprocessgroup: fall back to cpuset in get_sched_policyWei Wang2021-12-141-21/+30
| | | | | | | | | | | | | | | | Since vendor has a way to override the group cpu/schedtune setup, we cannot assume the group will always return valid data. This CL let get_sched_policy to fallback to cpuset if no valid data found in cpu/schedtune cgroup. In longer term, we should find a way to cache the group or app's process state in framework other than relying on reading cgroup back. Test: /data/nativetest64/libcutils_test/libcutils_test Bug: 210066228 Signed-off-by: Wei Wang <wvw@google.com> Merged-In: I8b4396365a7fc2d93e3a22746195585c140eef3c Change-Id: I8b4396365a7fc2d93e3a22746195585c140eef3c (cherry picked from commit c8c0b5415c14af56277f5e543ebff5fbba7fb7b2)
* Merge "libprocessgroup: Use WriteStringToFd for WriteFileAction"Rick Yiu2021-12-112-53/+109
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| * libprocessgroup: Use WriteStringToFd for WriteFileActionRick Yiu2021-12-102-53/+109
| | | | | | | | | | | | | | | | | | Using WriteStringToFile will hold kernfs_mutex which is a big lock, so use WriteStringToFd instead. Besides, also support fd cache for it. Bug: 206970384 Test: build pass Change-Id: Id79f9e1095f52079393c58edb9a4d526f4cc6b5e
* | Add a profile for OTARick Yiu2021-12-091-0/+4
|/ | | | | | | | Add an aggregated profile, OtaProfiles, for OTA process. Bug: 199006579 Test: build pass Change-Id: Ie6d5c593096d6ca77cdd8e3765b21bfcfd6641a5
* Merge "libprocessgroup/tools: Add settaskprofile command-line tool"Suren Baghdasaryan2021-11-102-0/+83
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| * libprocessgroup/tools: Add settaskprofile command-line toolSuren Baghdasaryan2021-11-092-0/+83
| | | | | | | | | | | | | | | | | | | | Add a command-line tool to apply task profile(s) to a given thread. Test: taskprofile $pid ProcessCapacityHigh; grep cpuset /proc/$pid/cgroup Test: taskprofile $pid ProcessCapacityNormal; grep cpuset /proc/$pid/cgroup Bug: 204808810 Signed-off-by: Suren Baghdasaryan <surenb@google.com> Change-Id: I1c13731f7a9a1161f36e27436ee104964aacbfd0
* | libprocessgroup: Add CgroupGetControllerFromPath API functionSuren Baghdasaryan2021-11-084-0/+36
|/ | | | | | | | | | | Add new CgroupGetControllerFromPath function to retrieve the name of the cgroup using a file path. If the file does not belong to any cgroup, the function returns false. Bug: 191283136 Test: build and boot Signed-off-by: Suren Baghdasaryan <surenb@google.com> Change-Id: Ic17a474cb25a80a3339b33ed8bc27b07af053abb
* Merge "libprocessgroup: Prevent error spam when tests disable all cpus in a ↵Suren Baghdasaryan2021-10-262-11/+28
|\ | | | | | | cpuset"
| * libprocessgroup: Prevent error spam when tests disable all cpus in a cpusetSuren Baghdasaryan2021-10-252-11/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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> Change-Id: Ia91d8839d86787569c255481bde077be51c43d93
* | init.rc: Create a new group for dex2oatRick Yiu2021-10-224-5/+53
|/ | | | | | | | | Create a new group for dex2oat in cpu cgroup, which is dedicated for dex2oat processes. Also modify task profiles for this change. Bug: 201223712 Test: dex2oat group created Change-Id: Ic61f4b8a64d01c03549b680970805e12b9ce4fcc
* Merge changes from topic "sysbg_aosp"Wei Wang2021-10-073-0/+39
|\ | | | | | | | | | | * changes: task_profiles: add ServicePerformance to legacy device policy libutils: use system_background for low prio tasks in framework
| * task_profiles: add ServicePerformance to legacy device policyWei Wang2021-10-063-0/+39
| | | | | | | | | | | | | | | | | | | | Since we are adding SCHED_SP_SYSTEM into framework, the policy is needed on older releases as well. Bug: 201428466 Test: Build Signed-off-by: Wei Wang <wvw@google.com> Change-Id: I0784820bfec84fd8ef98f2feb2caee084d0a14a2
* | Fix compiling libprocessgroup against muslColin Cross2021-09-141-0/+1
| | | | | | | | | | | | | | | | Include sys/cdefs.h before using __BEGIN_DECLS. Bug: 190084016 Test: m USE_HOST_MUSL=true Change-Id: Iac009275f7198476dd83ac70dbbc626b70f88ed1
* | libprocessgroup: Activate controllers in cgroup v2 hierarchy at intermediate ↵Suren Baghdasaryan2021-08-023-4/+32
|/ | | | | | | | | | | levels When creating uid/pid hierarchy, cgroup.subtree_control should be set at every level of that hierarchy except for the leaf level. Bug: 195149205 Signed-off-by: Suren Baghdasaryan <surenb@google.com> Change-Id: Iedc2e859715b31db62158c85016708f252db2b70
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