AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

Find plot range with only sampling ticks (profiling with only --prof).

Browse Source 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11543019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yangguo@chromium.org 2012-12-12 14:54:35 +00:00
parent e318155c6e
commit 9e8fc0e820
1 changed files with 36 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
tools/plot-timer-events.js
View File

@ -94,8 +94,8 @@ var CodeKinds = {
}
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();
@ -268,6 +268,38 @@ function Undistort() {
}
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() {
// Collect data from log.
var logreader = new LogReader(
@ -297,17 +329,6 @@ function CollectData() {
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) {
var event = TimerEvents[name];
@ -466,10 +487,8 @@ function ExcludeRanges(include, exclude) {
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) + "]");