Revision: 13207
Author: [email protected]
Date: Wed Dec 12 06:54:35 2012
Log: Find plot range with only sampling ticks (profiling with only
--prof).
[email protected]
BUG=
Review URL: https://chromiumcodereview.appspot.com/11543019
http://code.google.com/p/v8/source/detail?r=13207
Modified:
/branches/bleeding_edge/tools/plot-timer-events.js
=======================================
--- /branches/bleeding_edge/tools/plot-timer-events.js Wed Dec 5 08:22:14
2012
+++ /branches/bleeding_edge/tools/plot-timer-events.js Wed Dec 12 06:54:35
2012
@@ -94,8 +94,8 @@
}
-var xrange_start = Infinity;
-var xrange_end = 0;
+var xrange_start;
+var xrange_end;
var obj_index = 0;
var execution_pauses = [];
var code_map = new CodeMap();
@@ -266,6 +266,38 @@
}
}
}
+
+
+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;
+
+ var execution_ranges = kExecutionEvent.ranges;
+ for (var i = 0; i < execution_ranges.length; i++) {
+ if (execution_ranges[i].start < xrange_start && !start_found) {
+ xrange_start = execution_ranges[i].start;
+ }
+ if (execution_ranges[i].end > xrange_end && !end_found) {
+ xrange_end = execution_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;
+ }
+ }
+ }
+}
function CollectData() {
@@ -296,17 +328,6 @@
}
Undistort();
-
- // Figure out plot range.
- var execution_ranges = kExecutionEvent.ranges;
- for (var i = 0; i < execution_ranges.length; i++) {
- if (execution_ranges[i].start < xrange_start) {
- xrange_start = execution_ranges[i].start;
- }
- if (execution_ranges[i].end > xrange_end) {
- xrange_end = execution_ranges[i].end;
- }
- }
// Collect execution pauses.
for (name in TimerEvents) {
@@ -466,10 +487,8 @@
function GnuplotOutput() {
- xrange_start = (xrange_start_override || xrange_start_override == 0)
- ? xrange_start_override : xrange_start;
- xrange_end = (xrange_end_override || xrange_end_override == 0)
- ? xrange_end_override : xrange_end;
+ FindPlotRange();
+
print("set terminal pngcairo size " + kResX + "," + kResY +
" enhanced font 'Helvetica,10'");
print("set yrange [0:" + (num_timer_event + 1) + "]");
--
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