/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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 = "proto2";
package android.service.procstats;

option java_multiple_files = true;
option java_outer_classname = "ProcessStatsServiceProto";

import "frameworks/base/core/proto/android/util/common.proto";
import "frameworks/base/core/proto/android/privacy.proto";
import "frameworks/proto_logging/stats/enums/service/procstats_enum.proto";

/**
 * Data from ProcStatsService Dumpsys
 *
 * Next Tag: 4
 */
message ProcessStatsServiceDumpProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    optional ProcessStatsSectionProto procstats_now = 1;

    optional ProcessStatsSectionProto procstats_over_3hrs = 2;

    optional ProcessStatsSectionProto procstats_over_24hrs = 3;
}

/**
 * Data model from /frameworks/base/core/java/com/android/internal/app/procstats/ProcessStats.java
 * This proto is defined based on the writeToParcel method.
 *
 * Next Tag: 11
 */
message ProcessStatsSectionProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    // Elapsed realtime at start of report.
    optional int64 start_realtime_ms = 1;

    // Elapsed realtime at end of report.
    optional int64 end_realtime_ms = 2;

    // CPU uptime at start of report.
    optional int64 start_uptime_ms = 3;

    // CPU uptime at end of report.
    optional int64 end_uptime_ms = 4;

    // System runtime library. e.g. "libdvm.so", "libart.so".
    optional string runtime = 5;

    // whether kernel reports swapped pss.
    optional bool has_swapped_pss = 6;

    // Data completeness. e.g. "complete", "partial", shutdown", or "sysprops".
    enum Status {
        STATUS_UNKNOWN = 0;
        STATUS_COMPLETE = 1;
        STATUS_PARTIAL = 2;
        STATUS_SHUTDOWN = 3;
        STATUS_SYSPROPS = 4;
    }
    repeated Status status = 7;

    // Number of pages available of various types and sizes, representation fragmentation.
    repeated ProcessStatsAvailablePagesProto available_pages = 10;

    // Stats for each process.
    repeated ProcessStatsProto process_stats = 8;

    // Stats for each package.
    repeated ProcessStatsPackageProto package_stats = 9;
}

// Next Tag: 5
message ProcessStatsAvailablePagesProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    // Node these pages are in (as per /proc/pagetypeinfo)
    optional int32 node = 1;

    // Zone these pages are in (as per /proc/pagetypeinfo)
    optional string zone = 2;

    // Label for the type of these pages (as per /proc/pagetypeinfo)
    optional string label = 3;

    // Distribution of number of pages available by order size.  First entry in array is
    // order 0, second is order 1, etc.  Each order increase is a doubling of page size.
    repeated int32 pages_per_order = 4;
}

// Next Tag: 13
message ProcessStatsStateProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    optional ScreenState screen_state = 1;

    optional MemoryState memory_state = 2;

    // this enum list is from frameworks/base/core/java/com/android/internal/app/procstats/ProcessStats.java
    // and not frameworks/base/core/java/android/app/ActivityManager.java
    optional ProcessState process_state = 3 [deprecated = true];

    // the AggregatedProcessState needs to keep sync with ProcessStateAggregated
    optional AggregatedProcessState process_state_aggregated = 10;

    // Millisecond uptime duration spent in this state
    optional int64 duration_ms = 4 [deprecated = true];
    // Same as above, but with minute resolution so it fits into an int32.
    optional int32 duration_minutes = 11;

    // Millisecond elapsed realtime duration spent in this state
    optional int64 realtime_duration_ms = 9 [deprecated = true];
    // Same as above, but with minute resolution so it fits into an int32.
    optional int32 realtime_duration_minutes = 12;

    // # of samples taken
    optional int32 sample_size = 5;

    // PSS is memory reserved for this process
    optional android.util.AggStats pss = 6;

    // USS is memory shared between processes, divided evenly for accounting
    optional android.util.AggStats uss = 7;

    // RSS is memory resident for this process
    optional android.util.AggStats rss = 8;
}

// Next Tag: 8
message ProcessStatsProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    // Name of process.
    optional string process = 1;

    // Uid of the process.
    optional int32 uid = 2;

    // Information about how often kills occurred
    message Kill {
        option (android.msg_privacy).dest = DEST_AUTOMATIC;

      // Count of excessive CPU kills
      optional int32 cpu = 1;

      // Count of kills when cached
      optional int32 cached = 2;

      // PSS stats during cached kill
      optional android.util.AggStats cached_pss = 3;
    }
    optional Kill kill = 3;

    // Time and memory spent in various states.
    repeated ProcessStatsStateProto states = 5;

    // Total time process has been running...  screen_state, memory_state, and process_state
    // will not be set.
    optional ProcessStatsStateProto total_running_state = 6;

    // Association data for this process in this state;
    // each entry here is one association.
    repeated ProcessStatsAssociationProto assocs = 7;
}

// Next Tag: 6
message ProcessStatsAssociationProto {
    // Procss Name of the associated process/package
    optional string assoc_process_name = 1;

    // Package Name of the associated process/package
    optional string assoc_package_name = 2 [deprecated = true];

    // UID of the associated process/package
    optional int32 assoc_uid = 5;

    // Total count of the times this association appeared.
    optional int32 total_count = 3;

    // Uptime total duration in seconds this association was around.
    optional int32 total_duration_secs = 4;
}

// Next Tag: 4
message PackageServiceOperationStatsProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    // Operate enum: Started, Foreground, Bound, Executing
    optional ServiceOperationState operation = 1;

    // Number of times the service was in this operation.
    optional int32 count = 2;

    // Information about a state the service can be in.
    message StateStats {
        option (android.msg_privacy).dest = DEST_AUTOMATIC;

        // Screen state enum.
        optional android.service.procstats.ScreenState screen_state = 1;
        // Memory state enum.
        optional android.service.procstats.MemoryState memory_state = 2;

        // duration in milliseconds.
        optional int64 duration_ms = 3;
        // Millisecond elapsed realtime duration spent in this state
        optional int64 realtime_duration_ms = 4;
    }
    repeated StateStats state_stats = 3;
}

// Next Tag: 3
message PackageServiceStatsProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    // Name of service component.
    optional string service_name = 1;

    // The operation stats.
    // The package_name, package_uid, package_version, service_name will not be set to save space.
    repeated PackageServiceOperationStatsProto operation_stats = 2;
}

// Next Tag: 8
message PackageAssociationSourceProcessStatsProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    // Uid of the process.
    optional int32 process_uid = 1;
    // Process name.
    optional string process_name = 2;
    // Package name.
    optional string package_name = 7;

    // Total count of the times this association appeared.
    optional int32 total_count = 3;

    // Millisecond uptime total duration this association was around.
    optional int64 total_duration_ms = 4;

    // Total count of the times this association became actively impacting its target process.
    optional int32 active_count = 5;

    // Information on one source in this association.
    message StateStats {
        option (android.msg_privacy).dest = DEST_AUTOMATIC;

        // Process state enum.
        optional android.service.procstats.ProcessState process_state = 1;
        // Millisecond uptime duration spent in this state
        optional int64 duration_ms = 2;
        // Millisecond elapsed realtime duration spent in this state
        optional int64 realtime_duration_ms = 3;
    }
    repeated StateStats active_state_stats = 6;
}

// Next Tag: 7
message PackageAssociationProcessStatsProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    // Name of the target component.
    optional string component_name = 1;

    // Total count of the times this association appeared.
    optional int32 total_count = 3;

    // Millisecond uptime total duration this association was around.
    optional int64 total_duration_ms = 4;

    // Total count of the times this association became actively impacting its target process.
    optional int32 active_count = 5;

    // Millisecond uptime total duration this association was around.
    optional int64 active_duration_ms = 6;

    // Information on one source in this association.
    repeated PackageAssociationSourceProcessStatsProto sources = 2;
}

// Next Tag: 7
message ProcessStatsPackageProto {
    option (android.msg_privacy).dest = DEST_AUTOMATIC;

    // Name of package.
    optional string package = 1;

    // Uid of the package.
    optional int32 uid = 2;

    // Version of the package.
    optional int64 version = 3;

    // Stats for each process running with the package loaded in to it.
    repeated ProcessStatsProto process_stats = 4;

    // Stats for each of the package's services.
    repeated PackageServiceStatsProto service_stats = 5;

    // Stats for each association with the package.
    repeated PackageAssociationProcessStatsProto association_stats = 6;
}