4 files changed, 161 insertions, 53 deletions
diff --git a/pkg/sentry/kernel/memevent/BUILD b/pkg/sentry/kernel/memevent/BUILD
deleted file mode 100644
index 4486848d2..000000000
--- a/pkg/sentry/kernel/memevent/BUILD
+++ /dev/null
@@ -1,24 +0,0 @@
-load("//tools:defs.bzl", "go_library", "proto_library")
-
-package(licenses = ["notice"])
-
-go_library(
-    name = "memevent",
-    srcs = ["memory_events.go"],
-    visibility = ["//:sandbox"],
-    deps = [
-        ":memory_events_go_proto",
-        "//pkg/eventchannel",
-        "//pkg/log",
-        "//pkg/metric",
-        "//pkg/sentry/kernel",
-        "//pkg/sentry/usage",
-        "//pkg/sync",
-    ],
-)
-
-proto_library(
-    name = "memory_events",
-    srcs = ["memory_events.proto"],
-    visibility = ["//visibility:public"],
-)
diff --git a/pkg/sentry/kernel/memevent/memevent_state_autogen.go b/pkg/sentry/kernel/memevent/memevent_state_autogen.go
new file mode 100644
index 000000000..4a1679fa9
--- /dev/null
+++ b/pkg/sentry/kernel/memevent/memevent_state_autogen.go
@@ -0,0 +1,3 @@
+// automatically generated by stateify.
+
+package memevent
diff --git a/pkg/sentry/kernel/memevent/memory_events.proto b/pkg/sentry/kernel/memevent/memory_events.proto
deleted file mode 100644
index bf8029ff5..000000000
--- a/pkg/sentry/kernel/memevent/memory_events.proto
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed 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.
-
-syntax = "proto3";
-
-package gvisor;
-
-// MemoryUsageEvent describes the memory usage of the sandbox at a single
-// instant in time. These messages are emitted periodically on the eventchannel.
-message MemoryUsageEvent {
-  // The total memory usage of the sandboxed application in bytes, calculated
-  // using the 'fast' method.
-  uint64 total = 1;
-
-  // Memory used to back memory-mapped regions for files in the application, in
-  // bytes. This corresponds to the usage.MemoryKind.Mapped memory type.
-  uint64 mapped = 2;
-}
diff --git a/pkg/sentry/kernel/memevent/memory_events_go_proto/memory_events.pb.go b/pkg/sentry/kernel/memevent/memory_events_go_proto/memory_events.pb.go
new file mode 100644
index 000000000..ed1b8a8ca
--- /dev/null
+++ b/pkg/sentry/kernel/memevent/memory_events_go_proto/memory_events.pb.go
@@ -0,0 +1,158 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0
+// 	protoc        v3.13.0
+// source: pkg/sentry/kernel/memevent/memory_events.proto
+
+package gvisor
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
+type MemoryUsageEvent struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Total  uint64 `protobuf:"varint,1,opt,name=total,proto3" json:"total,omitempty"`
+	Mapped uint64 `protobuf:"varint,2,opt,name=mapped,proto3" json:"mapped,omitempty"`
+}
+
+func (x *MemoryUsageEvent) Reset() {
+	*x = MemoryUsageEvent{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_sentry_kernel_memevent_memory_events_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MemoryUsageEvent) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MemoryUsageEvent) ProtoMessage() {}
+
+func (x *MemoryUsageEvent) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_sentry_kernel_memevent_memory_events_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MemoryUsageEvent.ProtoReflect.Descriptor instead.
+func (*MemoryUsageEvent) Descriptor() ([]byte, []int) {
+	return file_pkg_sentry_kernel_memevent_memory_events_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *MemoryUsageEvent) GetTotal() uint64 {
+	if x != nil {
+		return x.Total
+	}
+	return 0
+}
+
+func (x *MemoryUsageEvent) GetMapped() uint64 {
+	if x != nil {
+		return x.Mapped
+	}
+	return 0
+}
+
+var File_pkg_sentry_kernel_memevent_memory_events_proto protoreflect.FileDescriptor
+
+var file_pkg_sentry_kernel_memevent_memory_events_proto_rawDesc = []byte{
+	0x0a, 0x2e, 0x70, 0x6b, 0x67, 0x2f, 0x73, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x2f, 0x6b, 0x65, 0x72,
+	0x6e, 0x65, 0x6c, 0x2f, 0x6d, 0x65, 0x6d, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x2f, 0x6d, 0x65, 0x6d,
+	0x6f, 0x72, 0x79, 0x5f, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x12, 0x06, 0x67, 0x76, 0x69, 0x73, 0x6f, 0x72, 0x22, 0x40, 0x0a, 0x10, 0x4d, 0x65, 0x6d, 0x6f,
+	0x72, 0x79, 0x55, 0x73, 0x61, 0x67, 0x65, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x12, 0x14, 0x0a, 0x05,
+	0x74, 0x6f, 0x74, 0x61, 0x6c, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x05, 0x74, 0x6f, 0x74,
+	0x61, 0x6c, 0x12, 0x16, 0x0a, 0x06, 0x6d, 0x61, 0x70, 0x70, 0x65, 0x64, 0x18, 0x02, 0x20, 0x01,
+	0x28, 0x04, 0x52, 0x06, 0x6d, 0x61, 0x70, 0x70, 0x65, 0x64, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x33,
+}
+
+var (
+	file_pkg_sentry_kernel_memevent_memory_events_proto_rawDescOnce sync.Once
+	file_pkg_sentry_kernel_memevent_memory_events_proto_rawDescData = file_pkg_sentry_kernel_memevent_memory_events_proto_rawDesc
+)
+
+func file_pkg_sentry_kernel_memevent_memory_events_proto_rawDescGZIP() []byte {
+	file_pkg_sentry_kernel_memevent_memory_events_proto_rawDescOnce.Do(func() {
+		file_pkg_sentry_kernel_memevent_memory_events_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_sentry_kernel_memevent_memory_events_proto_rawDescData)
+	})
+	return file_pkg_sentry_kernel_memevent_memory_events_proto_rawDescData
+}
+
+var file_pkg_sentry_kernel_memevent_memory_events_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_pkg_sentry_kernel_memevent_memory_events_proto_goTypes = []interface{}{
+	(*MemoryUsageEvent)(nil), // 0: gvisor.MemoryUsageEvent
+}
+var file_pkg_sentry_kernel_memevent_memory_events_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_pkg_sentry_kernel_memevent_memory_events_proto_init() }
+func file_pkg_sentry_kernel_memevent_memory_events_proto_init() {
+	if File_pkg_sentry_kernel_memevent_memory_events_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_pkg_sentry_kernel_memevent_memory_events_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MemoryUsageEvent); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_pkg_sentry_kernel_memevent_memory_events_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_pkg_sentry_kernel_memevent_memory_events_proto_goTypes,
+		DependencyIndexes: file_pkg_sentry_kernel_memevent_memory_events_proto_depIdxs,
+		MessageInfos:      file_pkg_sentry_kernel_memevent_memory_events_proto_msgTypes,
+	}.Build()
+	File_pkg_sentry_kernel_memevent_memory_events_proto = out.File
+	file_pkg_sentry_kernel_memevent_memory_events_proto_rawDesc = nil
+	file_pkg_sentry_kernel_memevent_memory_events_proto_goTypes = nil
+	file_pkg_sentry_kernel_memevent_memory_events_proto_depIdxs = nil
+}