Add a progress bar to TPU profile plugin.

tensorboard/plugins/profile/tf_profile_common/BUILD

@@ -0,0 +1,28 @@
+package(default_visibility = ["//tensorboard:internal"])
+
+load("//tensorboard/defs:defs.bzl", "tensorboard_webcomponent_library")
+load("//tensorboard/defs:web.bzl", "tf_web_library")
+
+licenses(["notice"])  # Apache 2.0
+
+tf_web_library(
+    name = "tf_profile_common",
+    srcs = [
+        "tf-profile-common.html",
+        "util.ts",
+    ],
+    path = "/tf-profile-common",
+    deps = [
+        "//tensorboard/components/tf_imports:polymer",
+    ],
+)
+
+tensorboard_webcomponent_library(
+    name = "legacy",
+    srcs = [":tf_profile_common"],
+    destdir = "tf-profile-common",
+    deps = [
+        "//tensorboard/components/tf_imports_google:lib",
+        "//third_party/javascript/polymer/v1/polymer:lib",
+    ],
+)

tensorboard/plugins/profile/tf_profile_common/tf-profile-common.html

@@ -0,0 +1,18 @@
+<!--
+@license
+Copyright 2016 The TensorFlow Authors. All Rights Reserved.
+
+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.
+-->
+
+<script src="util.js"></script>

tensorboard/plugins/profile/tf_profile_common/util.ts

@@ -0,0 +1,93 @@
+/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
+
+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.
+==============================================================================*/
+
+/**
+ * @fileoverview Utility functions for the TensorFlow profile plugin.
+ */
+
+module tf.profile.util {
+  /**
+   * Tracks task progress. Each task being passed a progress tracker needs
+   * to call the below-defined methods to notify the caller about the gradual
+   * progress of the task.
+   */
+  export interface ProgressTracker {
+    updateProgress(incrementValue: number): void;
+    setMessage(msg: string): void;
+    reportError(msg: string, err: Error): void;
+  }
+
+  export function time<T>(msg: string, task: () => T) {
+    let start = Date.now();
+    let result = task();
+    /* tslint:disable */
+    console.log(msg, ':', Date.now() - start, 'ms');
+    /* tslint:enable */
+    return result;
+  }
+
+  /**
+   * Creates a tracker that sets the progress property of the
+   * provided polymer component. The provided component must have
+   * a property called 'progress' that is not read-only. The progress
+   * property is an object with a numerical 'value' property and a
+   * string 'msg' property.
+   */
+  export function getTracker(polymerComponent: any) {
+    return {
+      setMessage: function(msg) {
+        polymerComponent.set(
+            'progress', {value: polymerComponent.progress.value, msg: msg});
+      },
+      updateProgress: function(value) {
+        polymerComponent.set('progress', {
+          value: polymerComponent.progress.value + value,
+          msg: polymerComponent.progress.msg
+        });
+      },
+      reportError: function(msg: string, err) {
+        // Log the stack trace in the console.
+        console.error(err.stack);
+        // And send a user-friendly message to the UI.
+        polymerComponent.set(
+            'progress',
+            {value: polymerComponent.progress.value, msg: msg, error: true});
+      },
+    };
+  }
+
+  /**
+   * Runs an expensive task and return the result.
+   */
+  export function runTask<T>(
+      msg: string, incProgressValue: number, task: () => T,
+      tracker: ProgressTracker): T {
+    // Update the progress message to say the current running task.
+    tracker.setMessage(msg);
+    // Run the expensive task with a delay that gives enough time for the
+    // UI to update.
+    try {
+      let result = tf.profile.util.time(msg, task);
+      // Update the progress value.
+      tracker.updateProgress(incProgressValue);
+      // Return the result to be used by other tasks.
+      return result;
+    } catch (e) {
+      // Errors that happen inside asynchronous tasks are
+      // reported to the tracker using a user-friendly message.
+      tracker.reportError('Failed ' + msg, e);
+    }
+  }
+}

tensorboard/plugins/profile/tf_profile_dashboard/BUILD

@@ -20,9 +20,11 @@ tf_web_library(
         "//tensorboard/plugins/profile/memory_viewer/memory_viewer_dashboard",
         "//tensorboard/plugins/profile/overview_page",
         "//tensorboard/plugins/profile/tf_op_profile",
+        "//tensorboard/plugins/profile/tf_profile_common",
         "@org_polymer",
         "@org_polymer_paper_dropdown_menu",
         "@org_polymer_paper_item",
         "@org_polymer_paper_menu",
+        "@org_polymer_paper_progress",
     ],
 )