1 files changed, 52 insertions, 0 deletions
diff --git a/deps/v8/tools/profviz/stdio.js b/deps/v8/tools/profviz/stdio.js
new file mode 100644
index 0000000000..e8001494c9
--- /dev/null
+++ b/deps/v8/tools/profviz/stdio.js
@@ -0,0 +1,52 @@
+// Copyright 2013 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 processor = new ArgumentsProcessor(arguments);
+var distortion_per_entry = 0;
+var range_start_override = undefined;
+var range_end_override = undefined;
+
+if (!processor.parse()) processor.printUsageAndExit();;
+var result = processor.result();
+var distortion = parseInt(result.distortion);
+if (isNaN(distortion)) processor.printUsageAndExit();;
+// 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]);
+if (!isNaN(range_start)) range_start_override = range_start;
+if (!isNaN(range_end)) range_end_override = range_end;
+
+var kResX = 1600;
+var kResY = 600;
+var psc = new PlotScriptComposer(kResX, kResY);
+psc.collectData(readline, distortion_per_entry);
+psc.findPlotRange(range_start_override, range_end_override);
+print("set terminal pngcairo size " + kResX + "," + kResY +
+      " enhanced font 'Helvetica,10'");
+psc.assembleOutput(print);