Changeset 136879 in webkit

Timestamp:

Dec 6, 2012, 1:20:30 PM (12 years ago)

Author:

fpizlo@apple.com

Message:

Profiler should print a helpful message if you pass the wrong arguments
​https://bugs.webkit.org/show_bug.cgi?id=104222

Reviewed by Oliver Hunt.

• Scripts/display-profiler-output:

Location:

trunk/Tools

Files:

• ChangeLog (modified) (1 diff)
• Scripts/display-profiler-output (modified) (1 diff)

trunk/Tools/ChangeLog

@@ +1 @@
+2012-12-05  Filip Pizlo  <fpizlo@apple.com>
+
+        Profiler should print a helpful message if you pass the wrong arguments
+        https://bugs.webkit.org/show_bug.cgi?id=104222
+
+        Reviewed by Oliver Hunt.
+
+        * Scripts/display-profiler-output:
+
 2012-12-06  Ojan Vafai  <ojan@chromium.org>
 

trunk/Tools/Scripts/display-profiler-output

@@ -264 +264 @@
         "\##{bytecode.codeHash}-#{compilationIndex}-#{engine}"
     end
+end
+
+if ARGV.length != 1
+    $stderr.puts "Usage: display-profiler-output <path to profiler output file>"
+    $stderr.puts
+    $stderr.puts "The typical usage pattern for the profiler currently looks something like:"
+    $stderr.puts
+    $stderr.puts "Path/To/jsc -p profile.json myprogram.js"
+    $stderr.puts "display-profiler-output profile.json"
+    exit 1
 end