Reduce size of procstats westworld atoms

}

message AggStats {

    optional int64 min = 1;

    optional int64 average = 2;

    optional int64 max = 3;

}

    // These are all in byte resolution.

    optional int64 min = 1 [deprecated = true];

    optional int64 average = 2 [deprecated = true];

    optional int64 max = 3 [deprecated = true];

    // These are all in kilobyte resolution. Can fit in int32, so smaller on the wire than the above

    // int64 fields.

    optional int32 mean_kb = 4;

    optional int32 max_kb = 5;

}

// A reduced subset of process states; reducing the number of possible states allows more

// aggressive device-side aggregation of statistics and hence reduces metric upload size.

enum ProcessStateAggregated {

    PROCESS_STATE_UNKNOWN = 0;

    // Persistent system process.

    PROCESS_STATE_PERSISTENT = 1;

    // Top activity; actually any visible activity.

    PROCESS_STATE_TOP = 2;

    // Process binding to top or a foreground service.

    PROCESS_STATE_BOUND_TOP_OR_FGS = 3;

    // Processing running a foreground service.

    PROCESS_STATE_FGS = 4;

    // Important foreground process (ime, wallpaper, etc).

    PROCESS_STATE_IMPORTANT_FOREGROUND = 5;

    // Important background process.

    PROCESS_STATE_BACKGROUND = 6;

    // Process running a receiver.

    PROCESS_STATE_RECEIVER = 7;

    // All kinds of cached processes.

    PROCESS_STATE_CACHED = 8;

}

// Next tag: 13

message ProcessStatsStateProto {

    optional android.service.procstats.ScreenState screen_state = 1;

    optional android.service.procstats.MemoryState memory_state = 2;

    optional android.service.procstats.MemoryState memory_state = 2 [deprecated = true];

    // 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 android.service.procstats.ProcessState process_state = 3;

    optional android.service.procstats.ProcessState process_state = 3 [deprecated = true];

    optional ProcessStateAggregated process_state_aggregated = 10;

    // Millisecond uptime duration spent in this state

    optional int64 duration_millis = 4;

    optional int64 duration_millis = 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_millis = 9;

    optional int64 realtime_duration_millis = 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 AggStats pss = 6;

    optional AggStats pss = 6 [deprecated = true];

    // USS is memory shared between processes, divided evenly for accounting

    optional AggStats uss = 7;

    optional AggStats uss = 7 [deprecated = true];

    // RSS is memory resident for this process

    optional AggStats rss = 8;

        // PSS stats during cached kill

        optional AggStats cached_pss = 3;

    }

    optional Kill kill = 3;

    optional Kill kill = 3 [deprecated = true];

    // Time and memory spent in various states.

    repeated ProcessStatsStateProto states = 5;