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// Copyright 2014 Google Inc. 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.
package com.google.devtools.build.lib.profiler;
/**
* All possible types of profiler tasks. Each type also defines description and
* minimum duration in nanoseconds for it to be recorded as separate event and
* not just be aggregated into the parent event.
*/
public enum ProfilerTask {
/* WARNING:
* Add new Tasks at the end (before Unknown) to not break the profiles that people have created!
* The profile file format uses the ordinal() of this enumeration to identify the task.
*/
PHASE("build phase marker", -1, 0x336699, 0),
ACTION("action processing", -1, 0x666699, 0),
ACTION_BUILDER("parallel builder completion queue", -1, 0xCC3399, 0),
ACTION_SUBMIT("execution queue submission", -1, 0xCC3399, 0),
ACTION_CHECK("action dependency checking", 10000000, 0x999933, 0),
ACTION_EXECUTE("action execution", -1, 0x99CCFF, 0),
ACTION_LOCK("action resource lock", 10000000, 0xCC9933, 0),
ACTION_RELEASE("action resource release", 10000000, 0x006666, 0),
ACTION_GRAPH("action graph dependency", -1, 0x3399FF, 0),
ACTION_UPDATE("update action information", 10000000, 0x993300, 0),
ACTION_COMPLETE("complete action execution", -1, 0xCCCC99, 0),
INFO("general information", -1, 0x000066, 0),
EXCEPTION("exception", -1, 0xFFCC66, 0),
CREATE_PACKAGE("package creation", -1, 0x6699CC, 0),
PACKAGE_VALIDITY_CHECK("package validity check", -1, 0x336699, 0),
SPAWN("local process spawn", -1, 0x663366, 0),
REMOTE_EXECUTION("remote action execution", -1, 0x9999CC, 0),
LOCAL_EXECUTION("local action execution", -1, 0xCCCCCC, 0),
SCANNER("include scanner", -1, 0x669999, 0),
// 30 is a good number because the slowest items are stored in a heap, with temporarily
// one more element, and with 31 items, a heap becomes a complete binary tree
LOCAL_PARSE("Local parse to prepare for remote execution", 50000000, 0x6699CC, 30),
UPLOAD_TIME("Remote execution upload time", 50000000, 0x6699CC, 0),
PROCESS_TIME("Remote execution process wall time", 50000000, 0xF999CC, 0),
REMOTE_QUEUE("Remote execution queuing time", 50000000, 0xCC6600, 0),
REMOTE_SETUP("Remote execution setup", 50000000, 0xA999CC, 0),
FETCH("Remote execution file fetching", 50000000, 0xBB99CC, 0),
VFS_STAT("VFS stat", 10000000, 0x9999FF, 30),
VFS_DIR("VFS readdir", 10000000, 0x0066CC, 30),
VFS_LINK("VFS readlink", 10000000, 0x99CCCC, 30),
VFS_MD5("VFS md5", 10000000, 0x999999, 30),
VFS_XATTR("VFS xattr", 10000000, 0x9999DD, 30),
VFS_DELETE("VFS delete", 10000000, 0xFFCC00, 0),
VFS_OPEN("VFS open", 10000000, 0x009999, 30),
VFS_READ("VFS read", 10000000, 0x99CC33, 30),
VFS_WRITE("VFS write", 10000000, 0xFF9900, 30),
VFS_GLOB("globbing", -1, 0x999966, 30),
VFS_VMFS_STAT("VMFS stat", 10000000, 0x9999FF, 0),
VFS_VMFS_DIR("VMFS readdir", 10000000, 0x0066CC, 0),
VFS_VMFS_READ("VMFS read", 10000000, 0x99CC33, 0),
WAIT("thread wait", 5000000, 0x66CCCC, 0),
CONFIGURED_TARGET("configured target creation", -1, 0x663300, 0),
TRANSITIVE_CLOSURE("transitive closure creation", -1, 0x996600, 0),
TEST("for testing only", -1, 0x000000, 0),
SKYFRAME_EVAL("skyframe evaluator", -1, 0xCC9900, 0),
SKYFUNCTION("skyfunction", -1, 0xCC6600, 0),
CRITICAL_PATH("critical path", -1, 0x666699, 0),
CRITICAL_PATH_COMPONENT("critical path component", -1, 0x666699, 0),
IDE_BUILD_INFO("ide_build_info", -1, 0xCC6633, 0),
UNKNOWN("Unknown event", -1, 0x339966, 0);
// Size of the ProfilerTask value space.
public static final int TASK_COUNT = ProfilerTask.values().length;
/** Human readable description for the task. */
public final String description;
/** Threshold for skipping tasks in the profile in nanoseconds, unless --record_full_profiler_data
* is used */
public final long minDuration;
/** Default color of the task, when rendered in a chart. */
public final int color;
/** How many of the slowest instances to keep. If 0, no slowest instance calculation is done. */
public final int slowestInstancesCount;
ProfilerTask(String description, long minDuration, int color, int slowestInstanceCount) {
this.description = description;
this.minDuration = minDuration;
this.color = color;
this.slowestInstancesCount = slowestInstanceCount;
}
/** Whether the Profiler collects the slowest instances of this task. */
public boolean collectsSlowestInstances() {
return slowestInstancesCount > 0;
}
}
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