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The following commit(s) were added to refs/heads/master by this push:
     new bff44aeec [cgroups2] Introduce the IoControllerProcess
bff44aeec is described below

commit bff44aeecefee54795dfa3fcfe61cb7b929655fd
Author: Jason Zhou <[email protected]>
AuthorDate: Thu Aug 8 18:01:33 2024 -0400

    [cgroups2] Introduce the IoControllerProcess
    
    Introduces the IoControllerProcess.
    
    This replaces the blkio controller from cgroups v1.
    We currently only use it to helps us work with the cgroups/all isolation 
flag.
    
    Review: https://reviews.apache.org/r/75155/
---
 src/CMakeLists.txt                                 |  1 +
 src/Makefile.am                                    |  2 +
 .../mesos/isolators/cgroups2/cgroups2.cpp          |  4 +-
 .../mesos/isolators/cgroups2/constants.hpp         |  1 +
 .../mesos/isolators/cgroups2/controllers/io.cpp    | 49 ++++++++++++++++++++++
 .../cgroups2/{constants.hpp => controllers/io.hpp} | 32 +++++++-------
 6 files changed, 71 insertions(+), 18 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 50684b615..b926be97f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -351,6 +351,7 @@ set(LINUX_SRC
   slave/containerizer/mesos/isolators/cgroups2/controllers/memory.cpp
   slave/containerizer/mesos/isolators/cgroups2/controllers/devices.cpp
   slave/containerizer/mesos/isolators/cgroups2/controllers/perf_event.cpp
+  slave/containerizer/mesos/isolators/cgroups2/controllers/io.cpp
   slave/containerizer/device_manager/device_manager.cpp)
 
 if (ENABLE_XFS_DISK_ISOLATOR)
diff --git a/src/Makefile.am b/src/Makefile.am
index 02b9115e5..81ea74744 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1502,6 +1502,8 @@ MESOS_LINUX_FILES =                                       
                                \
   slave/containerizer/mesos/isolators/cgroups2/controllers/perf_event.hpp    \
   slave/containerizer/mesos/isolators/cgroups2/controllers/devices.cpp    \
   slave/containerizer/mesos/isolators/cgroups2/controllers/devices.hpp    \
+  slave/containerizer/mesos/isolators/cgroups2/controllers/io.cpp    \
+  slave/containerizer/mesos/isolators/cgroups2/controllers/io.hpp    \
   slave/containerizer/device_manager/device_manager.cpp    \
   slave/containerizer/device_manager/device_manager.hpp    \
   slave/containerizer/device_manager/state.hpp
diff --git a/src/slave/containerizer/mesos/isolators/cgroups2/cgroups2.cpp 
b/src/slave/containerizer/mesos/isolators/cgroups2/cgroups2.cpp
index a027ee632..4757a8786 100644
--- a/src/slave/containerizer/mesos/isolators/cgroups2/cgroups2.cpp
+++ b/src/slave/containerizer/mesos/isolators/cgroups2/cgroups2.cpp
@@ -23,6 +23,7 @@
 #include "slave/containerizer/mesos/isolators/cgroups2/controllers/memory.hpp"
 #include 
"slave/containerizer/mesos/isolators/cgroups2/controllers/perf_event.hpp"
 #include "slave/containerizer/mesos/isolators/cgroups2/controllers/devices.hpp"
+#include "slave/containerizer/mesos/isolators/cgroups2/controllers/io.hpp"
 
 #include <set>
 #include <string>
@@ -82,7 +83,8 @@ Try<Isolator*> Cgroups2IsolatorProcess::create(
     {"core", &CoreControllerProcess::create},
     {"cpu", &CpuControllerProcess::create},
     {"mem", &MemoryControllerProcess::create},
-    {"perf_event", &PerfEventControllerProcess::create}
+    {"perf_event", &PerfEventControllerProcess::create},
+    {"io", &IoControllerProcess::create}
   };
 
   hashmap<string, Try<Owned<ControllerProcess>>(*)(
diff --git a/src/slave/containerizer/mesos/isolators/cgroups2/constants.hpp 
b/src/slave/containerizer/mesos/isolators/cgroups2/constants.hpp
index 5e6426694..2c8b3316c 100644
--- a/src/slave/containerizer/mesos/isolators/cgroups2/constants.hpp
+++ b/src/slave/containerizer/mesos/isolators/cgroups2/constants.hpp
@@ -40,6 +40,7 @@ const std::string CGROUPS2_CONTROLLER_CPU_NAME = "cpu";
 const std::string CGROUPS2_CONTROLLER_MEMORY_NAME = "memory";
 const std::string CGROUPS2_CONTROLLER_PERF_EVENT_NAME = "perf_event";
 const std::string CGROUPS2_CONTROLLER_DEVICES_NAME = "devices";
+const std::string CGROUPS2_CONTROLLER_IO_NAME = "io";
 
 } // namespace slave {
 } // namespace internal {
diff --git 
a/src/slave/containerizer/mesos/isolators/cgroups2/controllers/io.cpp 
b/src/slave/containerizer/mesos/isolators/cgroups2/controllers/io.cpp
new file mode 100644
index 000000000..1f29a0790
--- /dev/null
+++ b/src/slave/containerizer/mesos/isolators/cgroups2/controllers/io.cpp
@@ -0,0 +1,49 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <process/id.hpp>
+
+#include "slave/containerizer/mesos/isolators/cgroups2/controllers/io.hpp"
+#include "slave/containerizer/mesos/isolators/cgroups2/constants.hpp"
+
+using process::Owned;
+
+using std::string;
+
+namespace mesos {
+namespace internal {
+namespace slave {
+
+Try<Owned<ControllerProcess>> IoControllerProcess::create(const Flags& flags)
+{
+  return Owned<ControllerProcess>(new IoControllerProcess(flags));
+}
+
+
+IoControllerProcess::IoControllerProcess(const Flags& _flags)
+  : ProcessBase(process::ID::generate("cgroups-v2-io-controller")),
+    ControllerProcess(_flags) {}
+
+
+string IoControllerProcess::name() const
+{
+  return CGROUPS2_CONTROLLER_IO_NAME;
+}
+
+
+} // namespace slave {
+} // namespace internal {
+} // namespace mesos {
\ No newline at end of file
diff --git a/src/slave/containerizer/mesos/isolators/cgroups2/constants.hpp 
b/src/slave/containerizer/mesos/isolators/cgroups2/controllers/io.hpp
similarity index 51%
copy from src/slave/containerizer/mesos/isolators/cgroups2/constants.hpp
copy to src/slave/containerizer/mesos/isolators/cgroups2/controllers/io.hpp
index 5e6426694..921e93784 100644
--- a/src/slave/containerizer/mesos/isolators/cgroups2/constants.hpp
+++ b/src/slave/containerizer/mesos/isolators/cgroups2/controllers/io.hpp
@@ -14,35 +14,33 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef __CGROUPS_V2_ISOLATOR_CONSTANTS_HPP__
-#define __CGROUPS_V2_ISOLATOR_CONSTANTS_HPP__
+#ifndef __IO_HPP__
+#define __IO_HPP__
 
 #include <string>
 
-#include <stout/duration.hpp>
+#include "slave/containerizer/mesos/isolators/cgroups2/controller.hpp"
 
 namespace mesos {
 namespace internal {
 namespace slave {
 
-// CPU controller constants.
-const uint64_t CGROUPS2_CPU_WEIGHT_PER_CPU = 100;
-const uint64_t CGROUPS2_CPU_WEIGHT_PER_CPU_REVOCABLE = 1;
-const uint64_t CGROUPS2_MIN_CPU_WEIGHT = 1; // Linux constant.
-const Duration CGROUPS2_CPU_CFS_PERIOD = Milliseconds(100); // Linux default.
-const Duration CGROUPS2_MIN_CPU_CFS_QUOTA = Milliseconds(1);
+class IoControllerProcess : public ControllerProcess
+{
+public:
+  static Try<process::Owned<ControllerProcess>> create(
+      const Flags& flags);
 
-// Memory controller constants.
-const Bytes CGROUPS2_MIN_MEMORY = Megabytes(32);
+  ~IoControllerProcess() override = default;
 
-const std::string CGROUPS2_CONTROLLER_CORE_NAME = "core";
-const std::string CGROUPS2_CONTROLLER_CPU_NAME = "cpu";
-const std::string CGROUPS2_CONTROLLER_MEMORY_NAME = "memory";
-const std::string CGROUPS2_CONTROLLER_PERF_EVENT_NAME = "perf_event";
-const std::string CGROUPS2_CONTROLLER_DEVICES_NAME = "devices";
+  std::string name() const override;
+
+private:
+  IoControllerProcess(const Flags& flags);
+};
 
 } // namespace slave {
 } // namespace internal {
 } // namespace mesos {
 
-#endif // __CGROUPS_V2_ISOLATOR_CONSTANTS_HPP__
+#endif // __IO_HPP__
\ No newline at end of file

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