// Copyright 2023 The ChromiumOS Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto3";

option optimize_for = LITE_RUNTIME;

package resource_manager;

option go_package = "go.chromium.org/chromiumos/system_api/resource_manager_proto";

// The browser types.
enum BrowserType {
  ASH = 0;
  LACROS = 1;
}

message ReportBrowserProcesses {
  // The browser type reporting the process lists.
  BrowserType browser_type = 1;

  message Process {
    int32 pid = 1;
    bool protected = 2;
    bool visible = 3;
    bool focused = 4;

    // The timestamp from CLOCK_MONOTONIC at which the corresponding tab was
    // last visible.
    int64 last_visible_ms = 5;
  }
  repeated Process processes = 2;
}

message MemoryMargins {
  // 1 basis point (bps) is equivalent to 0.01 % of total memory.

  // Moderate margin.
  uint32 moderate_bps = 1;
  // Critical margin. The non-protected pages can be discarded.
  uint32 critical_bps = 2;
  // Critical protected margin. Both the non-protected and protected pages can
  // be discarded.
  uint32 critical_protected_bps = 3;
}