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-rw-r--r--src/3rdparty/v8/tools/plot-timer-events.js510
1 files changed, 0 insertions, 510 deletions
diff --git a/src/3rdparty/v8/tools/plot-timer-events.js b/src/3rdparty/v8/tools/plot-timer-events.js
deleted file mode 100644
index 5412f8e..0000000
--- a/src/3rdparty/v8/tools/plot-timer-events.js
+++ /dev/null
@@ -1,510 +0,0 @@
-// Copyright 2012 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-var kV8BinarySuffixes = ["/d8", "/libv8.so"];
-var kStackFrames = 8;
-
-var kTimerEventWidth = 0.33;
-var kExecutionFrameWidth = 0.2;
-var kStackFrameWidth = 0.1;
-var kGapWidth = 0.05;
-
-var kY1Offset = 10;
-
-var kResX = 1600;
-var kResY = 600;
-var kPauseLabelPadding = 5;
-var kNumPauseLabels = 7;
-var kTickHalfDuration = 0.5; // Milliseconds
-var kCodeKindLabelPadding = 100;
-var kMinRangeLength = 0.0005; // Milliseconds
-
-var num_timer_event = kY1Offset + 0.5;
-
-var kNumThreads = 2;
-var kExecutionThreadId = 0;
-
-function assert(something, message) {
- if (!something) {
- print(new Error(message).stack);
- }
-}
-
-function TimerEvent(color, pause, thread_id) {
- assert(thread_id >= 0 && thread_id < kNumThreads, "invalid thread id");
- this.color = color;
- this.pause = pause;
- this.ranges = [];
- this.thread_id = thread_id;
- this.index = ++num_timer_event;
-}
-
-
-var TimerEvents = {
- 'V8.Execute': new TimerEvent("#000000", false, 0),
- 'V8.External': new TimerEvent("#3399FF", false, 0),
- 'V8.CompileFullCode': new TimerEvent("#CC0000", true, 0),
- 'V8.RecompileSynchronous': new TimerEvent("#CC0044", true, 0),
- 'V8.RecompileParallel': new TimerEvent("#CC4499", false, 1),
- 'V8.CompileEval': new TimerEvent("#CC4400", true, 0),
- 'V8.Parse': new TimerEvent("#00CC00", true, 0),
- 'V8.PreParse': new TimerEvent("#44CC00", true, 0),
- 'V8.ParseLazy': new TimerEvent("#00CC44", true, 0),
- 'V8.GCScavenger': new TimerEvent("#0044CC", true, 0),
- 'V8.GCCompactor': new TimerEvent("#4444CC", true, 0),
- 'V8.GCContext': new TimerEvent("#4400CC", true, 0),
-}
-
-
-Array.prototype.top = function() {
- if (this.length == 0) return undefined;
- return this[this.length - 1];
-}
-
-var event_stack = [];
-var last_time_stamp = [];
-
-for (var i = 0; i < kNumThreads; i++) {
- event_stack[i] = [];
- last_time_stamp[i] = -1;
-}
-
-
-function CodeKind(color, kinds) {
- this.color = color;
- this.in_execution = [];
- this.stack_frames = [];
- for (var i = 0; i < kStackFrames; i++) this.stack_frames.push([]);
- this.kinds = kinds;
-}
-
-
-var CodeKinds = {
- 'external ': new CodeKind("#3399FF", [-3]),
- 'reg.exp. ': new CodeKind("#0000FF", [-2]),
- 'runtime ': new CodeKind("#000000", [-1]),
- 'full code': new CodeKind("#DD0000", [0]),
- 'opt code ': new CodeKind("#00EE00", [1]),
- 'code stub': new CodeKind("#FF00FF", [2]),
- 'built-in ': new CodeKind("#AA00AA", [3]),
- 'inl.cache': new CodeKind("#4444AA", [4, 5, 6, 7, 8, 9, 10, 11, 12, 13]),
-}
-
-
-var xrange_start;
-var xrange_end;
-var obj_index = 0;
-var execution_pauses = [];
-var code_map = new CodeMap();
-
-var xrange_start_override = undefined;
-var xrange_end_override = undefined;
-var distortion_per_entry = 0.005; // Milliseconds
-var pause_tolerance = 0.005; // Milliseconds.
-
-var distortion = 0;
-
-
-function Range(start, end) {
- // Everthing from here are in milliseconds.
- this.start = start;
- this.end = end;
-}
-
-
-function Tick(tick) {
- this.tick = tick;
-}
-
-
-Range.prototype.duration = function() { return this.end - this.start; }
-
-
-function ProcessTimerEventStart(name, start) {
- // Find out the thread id.
- var new_event = TimerEvents[name];
- if (new_event === undefined) return;
- var thread_id = new_event.thread_id;
-
- start = Math.max(last_time_stamp[thread_id] + kMinRangeLength, start);
-
- // Last event on this thread is done with the start of this event.
- var last_event = event_stack[thread_id].top();
- if (last_event !== undefined) {
- var new_range = new Range(last_time_stamp[thread_id], start);
- last_event.ranges.push(new_range);
- }
- event_stack[thread_id].push(new_event);
- last_time_stamp[thread_id] = start;
-}
-
-
-function ProcessTimerEventEnd(name, end) {
- // Find out about the thread_id.
- var finished_event = TimerEvents[name];
- var thread_id = finished_event.thread_id;
- assert(finished_event === event_stack[thread_id].pop(),
- "inconsistent event stack");
-
- end = Math.max(last_time_stamp[thread_id] + kMinRangeLength, end);
-
- var new_range = new Range(last_time_stamp[thread_id], end);
- finished_event.ranges.push(new_range);
- last_time_stamp[thread_id] = end;
-}
-
-
-function ProcessCodeCreateEvent(type, kind, address, size, name) {
- var code_entry = new CodeMap.CodeEntry(size, name);
- code_entry.kind = kind;
- code_map.addCode(address, code_entry);
-}
-
-
-function ProcessCodeMoveEvent(from, to) {
- code_map.moveCode(from, to);
-}
-
-
-function ProcessCodeDeleteEvent(address) {
- code_map.deleteCode(address);
-}
-
-
-function ProcessSharedLibrary(name, start, end) {
- var code_entry = new CodeMap.CodeEntry(end - start, name);
- code_entry.kind = -3; // External code kind.
- for (var i = 0; i < kV8BinarySuffixes.length; i++) {
- var suffix = kV8BinarySuffixes[i];
- if (name.indexOf(suffix, name.length - suffix.length) >= 0) {
- code_entry.kind = -1; // V8 runtime code kind.
- break;
- }
- }
- code_map.addLibrary(start, code_entry);
-}
-
-
-function FindCodeKind(kind) {
- for (name in CodeKinds) {
- if (CodeKinds[name].kinds.indexOf(kind) >= 0) {
- return CodeKinds[name];
- }
- }
-}
-
-
-function ProcessTickEvent(pc, sp, timer, unused_x, unused_y, vmstate, stack) {
- var tick = new Tick(timer);
-
- var entry = code_map.findEntry(pc);
- if (entry) FindCodeKind(entry.kind).in_execution.push(tick);
-
- for (var i = 0; i < kStackFrames; i++) {
- if (!stack[i]) break;
- var entry = code_map.findEntry(stack[i]);
- if (entry) FindCodeKind(entry.kind).stack_frames[i].push(tick);
- }
-}
-
-
-function FindPlotRange() {
- var start_found = (xrange_start_override || xrange_start_override == 0);
- var end_found = (xrange_end_override || xrange_end_override == 0);
- xrange_start = start_found ? xrange_start_override : Infinity;
- xrange_end = end_found ? xrange_end_override : -Infinity;
-
- if (start_found && end_found) return;
-
- for (name in TimerEvents) {
- var ranges = TimerEvents[name].ranges;
- for (var i = 0; i < ranges.length; i++) {
- if (ranges[i].start < xrange_start && !start_found) {
- xrange_start = ranges[i].start;
- }
- if (ranges[i].end > xrange_end && !end_found) {
- xrange_end = ranges[i].end;
- }
- }
- }
-
- for (codekind in CodeKinds) {
- var ticks = CodeKinds[codekind].in_execution;
- for (var i = 0; i < ticks.length; i++) {
- if (ticks[i].tick < xrange_start && !start_found) {
- xrange_start = ticks[i].tick;
- }
- if (ticks[i].tick > xrange_end && !end_found) {
- xrange_end = ticks[i].tick;
- }
- }
- }
-
- // Set pause tolerance to something appropriate for the plot resolution
- // to make it easier for gnuplot.
- pause_tolerance = (xrange_end - xrange_start) / kResX / 10;
-}
-
-
-function parseTimeStamp(timestamp) {
- distortion += distortion_per_entry;
- return parseInt(timestamp) / 1000 - distortion;
-}
-
-
-function ParseArguments(args) {
- var processor = new ArgumentsProcessor(args);
- do {
- if (!processor.parse()) break;
- var result = processor.result();
- var distortion = parseInt(result.distortion);
- if (isNaN(distortion)) break;
- // Convert picoseconds to milliseconds.
- distortion_per_entry = distortion / 1000000;
- var rangelimits = result.range.split(",");
- var range_start = parseInt(rangelimits[0]);
- var range_end = parseInt(rangelimits[1]);
- xrange_start_override = isNaN(range_start) ? undefined : range_start;
- xrange_end_override = isNaN(range_end) ? undefined : range_end;
- return;
- } while (false);
- processor.printUsageAndExit();
-}
-
-
-function CollectData() {
- // Collect data from log.
- var logreader = new LogReader(
- { 'timer-event-start': { parsers: [null, parseTimeStamp],
- processor: ProcessTimerEventStart },
- 'timer-event-end': { parsers: [null, parseTimeStamp],
- processor: ProcessTimerEventEnd },
- 'shared-library': { parsers: [null, parseInt, parseInt],
- processor: ProcessSharedLibrary },
- 'code-creation': { parsers: [null, parseInt, parseInt, parseInt, null],
- processor: ProcessCodeCreateEvent },
- 'code-move': { parsers: [parseInt, parseInt],
- processor: ProcessCodeMoveEvent },
- 'code-delete': { parsers: [parseInt],
- processor: ProcessCodeDeleteEvent },
- 'tick': { parsers: [parseInt, parseInt, parseTimeStamp,
- null, null, parseInt, 'var-args'],
- processor: ProcessTickEvent }
- });
-
- var line;
- while (line = readline()) {
- logreader.processLogLine(line);
- }
-
- // Collect execution pauses.
- for (name in TimerEvents) {
- var event = TimerEvents[name];
- if (!event.pause) continue;
- var ranges = event.ranges;
- for (var j = 0; j < ranges.length; j++) execution_pauses.push(ranges[j]);
- }
- execution_pauses = MergeRanges(execution_pauses);
-}
-
-
-function DrawBar(row, color, start, end, width) {
- obj_index++;
- command = "set object " + obj_index + " rect";
- command += " from " + start + ", " + (row - width);
- command += " to " + end + ", " + (row + width);
- command += " fc rgb \"" + color + "\"";
- print(command);
-}
-
-
-function TicksToRanges(ticks) {
- var ranges = [];
- for (var i = 0; i < ticks.length; i++) {
- var tick = ticks[i].tick;
- ranges.push(new Range(tick - kTickHalfDuration, tick + kTickHalfDuration));
- }
- return ranges;
-}
-
-
-function MergeRanges(ranges) {
- ranges.sort(function(a, b) { return a.start - b.start; });
- var result = [];
- var j = 0;
- for (var i = 0; i < ranges.length; i = j) {
- var merge_start = ranges[i].start;
- if (merge_start > xrange_end) break; // Out of plot range.
- var merge_end = ranges[i].end;
- for (j = i + 1; j < ranges.length; j++) {
- var next_range = ranges[j];
- // Don't merge ranges if there is no overlap (including merge tolerance).
- if (next_range.start > merge_end + pause_tolerance) break;
- // Merge ranges.
- if (next_range.end > merge_end) { // Extend range end.
- merge_end = next_range.end;
- }
- }
- if (merge_end < xrange_start) continue; // Out of plot range.
- if (merge_end < merge_start) continue; // Not an actual range.
- result.push(new Range(merge_start, merge_end));
- }
- return result;
-}
-
-
-function RestrictRangesTo(ranges, start, end) {
- var result = [];
- for (var i = 0; i < ranges.length; i++) {
- if (ranges[i].start <= end && ranges[i].end >= start) {
- result.push(new Range(Math.max(ranges[i].start, start),
- Math.min(ranges[i].end, end)));
- }
- }
- return result;
-}
-
-
-function GnuplotOutput() {
- print("set terminal pngcairo size " + kResX + "," + kResY +
- " enhanced font 'Helvetica,10'");
- print("set yrange [0:" + (num_timer_event + 1) + "]");
- print("set xlabel \"execution time in ms\"");
- print("set xrange [" + xrange_start + ":" + xrange_end + "]");
- print("set style fill pattern 2 bo 1");
- print("set style rect fs solid 1 noborder");
- print("set style line 1 lt 1 lw 1 lc rgb \"#000000\"");
- print("set xtics out nomirror");
- print("unset key");
-
- var percentages = {};
- var total = 0;
- for (var name in TimerEvents) {
- var event = TimerEvents[name];
- var ranges = RestrictRangesTo(event.ranges, xrange_start, xrange_end);
- ranges = MergeRanges(ranges);
- var sum =
- ranges.map(function(range) { return range.duration(); })
- .reduce(function(a, b) { return a + b; }, 0);
- percentages[name] = (sum / (xrange_end - xrange_start) * 100).toFixed(1);
- }
-
- // Name Y-axis.
- var ytics = [];
- for (name in TimerEvents) {
- var index = TimerEvents[name].index;
- ytics.push('"' + name + ' (' + percentages[name] + '%%)" ' + index);
- }
- ytics.push('"code kind being executed"' + ' ' + (kY1Offset - 1));
- ytics.push('"top ' + kStackFrames + ' js stack frames"' + ' ' +
- (kY1Offset - 2));
- ytics.push('"pause times" 0');
- print("set ytics out nomirror (" + ytics.join(', ') + ")");
-
- // Plot timeline.
- for (var name in TimerEvents) {
- var event = TimerEvents[name];
- var ranges = MergeRanges(event.ranges);
- for (var i = 0; i < ranges.length; i++) {
- DrawBar(event.index, event.color,
- ranges[i].start, ranges[i].end,
- kTimerEventWidth);
- }
- }
-
- // Plot code kind gathered from ticks.
- for (var name in CodeKinds) {
- var code_kind = CodeKinds[name];
- var offset = kY1Offset - 1;
- // Top most frame.
- var row = MergeRanges(TicksToRanges(code_kind.in_execution));
- for (var j = 0; j < row.length; j++) {
- DrawBar(offset, code_kind.color,
- row[j].start, row[j].end, kExecutionFrameWidth);
- }
- offset = offset - 2 * kExecutionFrameWidth - kGapWidth;
- // Javascript frames.
- for (var i = 0; i < kStackFrames; i++) {
- offset = offset - 2 * kStackFrameWidth - kGapWidth;
- row = MergeRanges(TicksToRanges(code_kind.stack_frames[i]));
- for (var j = 0; j < row.length; j++) {
- DrawBar(offset, code_kind.color,
- row[j].start, row[j].end, kStackFrameWidth);
- }
- }
- }
-
- // Add labels as legend for code kind colors.
- var padding = kCodeKindLabelPadding * (xrange_end - xrange_start) / kResX;
- var label_x = xrange_start;
- var label_y = kY1Offset;
- for (var name in CodeKinds) {
- label_x += padding;
- print("set label \"" + name + "\" at " + label_x + "," + label_y +
- " textcolor rgb \"" + CodeKinds[name].color + "\"" +
- " font \"Helvetica,9'\"");
- }
-
- if (execution_pauses.length == 0) {
- // Force plot and return without plotting execution pause impulses.
- print("plot 1/0");
- return;
- }
-
- // Label the longest pauses.
- execution_pauses.sort(
- function(a, b) { return b.duration() - a.duration(); });
-
- var max_pause_time = execution_pauses[0].duration();
- padding = kPauseLabelPadding * (xrange_end - xrange_start) / kResX;
- var y_scale = kY1Offset / max_pause_time / 2;
- for (var i = 0; i < execution_pauses.length && i < kNumPauseLabels; i++) {
- var pause = execution_pauses[i];
- var label_content = (pause.duration() | 0) + " ms";
- var label_x = pause.end + padding;
- var label_y = Math.max(1, (pause.duration() * y_scale));
- print("set label \"" + label_content + "\" at " +
- label_x + "," + label_y + " font \"Helvetica,7'\"");
- }
-
- // Scale second Y-axis appropriately.
- var y2range = max_pause_time * num_timer_event / kY1Offset * 2;
- print("set y2range [0:" + y2range + "]");
- // Plot graph with impulses as data set.
- print("plot '-' using 1:2 axes x1y2 with impulses ls 1");
- for (var i = 0; i < execution_pauses.length; i++) {
- var pause = execution_pauses[i];
- print(pause.end + " " + pause.duration());
- }
- print("e");
-}
-
-
-ParseArguments(arguments);
-CollectData();
-FindPlotRange();
-GnuplotOutput();
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-17 11:03:21 +0000