naiveproxy/ui/latency/mojo/latency_info.mojom
2018-12-09 21:59:24 -05:00

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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module ui.mojom;
import "mojo/public/mojom/base/time.mojom";
import "ui/gfx/geometry/mojo/geometry.mojom";
enum LatencyComponentType {
// ---------------------------BEGIN COMPONENT-------------------------------
// BEGIN COMPONENT is when we show the latency begin in chrome://tracing.
// Timestamp when the input event is sent from RenderWidgetHost to renderer.
INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT,
// In threaded scrolling, main thread scroll listener update is async to
// scroll processing in impl thread. This is the timestamp when we consider
// the main thread scroll listener update is begun.
LATENCY_BEGIN_SCROLL_LISTENER_UPDATE_MAIN_COMPONENT,
// The BeginFrame::frame_time of various frame sources.
LATENCY_BEGIN_FRAME_RENDERER_MAIN_COMPONENT,
LATENCY_BEGIN_FRAME_RENDERER_INVALIDATE_COMPONENT,
LATENCY_BEGIN_FRAME_RENDERER_COMPOSITOR_COMPONENT,
LATENCY_BEGIN_FRAME_UI_MAIN_COMPONENT,
LATENCY_BEGIN_FRAME_UI_COMPOSITOR_COMPONENT,
LATENCY_BEGIN_FRAME_DISPLAY_COMPOSITOR_COMPONENT,
// ---------------------------NORMAL COMPONENT-------------------------------
// The original timestamp of the touch event which converts to scroll update.
INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT,
// The original timestamp of the touch event which converts to the *first*
// scroll update in a scroll gesture sequence.
INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT,
// Original timestamp for input event (e.g. timestamp from kernel).
INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT,
// Timestamp when the UI event is created.
INPUT_EVENT_LATENCY_UI_COMPONENT,
// Timestamp when the event is dispatched on the main thread of the renderer.
INPUT_EVENT_LATENCY_RENDERER_MAIN_COMPONENT,
// This is special component indicating there is rendering scheduled for
// the event associated with this LatencyInfo on main thread.
INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT,
// This is special component indicating there is rendering scheduled for
// the event associated with this LatencyInfo on impl thread.
INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT,
// Timestamp when a scroll update is forwarded to the main thread.
INPUT_EVENT_LATENCY_FORWARD_SCROLL_UPDATE_TO_MAIN_COMPONENT,
// Timestamp when the event's ack is received by the RWH.
INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT,
// Timestamp when the frame is swapped in renderer.
INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT,
// Timestamp of when the display compositor receives a compositor frame.
// Display compositor can be either in the browser process or in Mus.
DISPLAY_COMPOSITOR_RECEIVED_FRAME_COMPONENT,
// Timestamp of when the gpu service began swap buffers, unlike
// INPUT_EVENT_LATENCY_FRAME_SWAP_COMPONENT which measures after.
INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT,
// Timestamp when the frame is swapped (i.e. when the rendering caused by
// input event actually takes effect).
INPUT_EVENT_LATENCY_FRAME_SWAP_COMPONENT,
};
enum SourceEventType {
UNKNOWN,
WHEEL,
MOUSE,
TOUCH,
INERTIAL,
KEY_PRESS,
TOUCHPAD,
FRAME,
OTHER,
};
// See ui/latency/latency_info.h
struct LatencyInfo {
string trace_name;
map<LatencyComponentType, mojo_base.mojom.TimeTicks> latency_components;
int64 trace_id;
int64 ukm_source_id;
bool coalesced;
bool began;
bool terminated;
SourceEventType source_event_type;
};