Profiler tick processor: exploit d8's readline to avoid reading

Profiler tick processor: exploit d8's readline to avoid reading
entire file prior to parsing it. This allows processing of huge
log files (over 200 MB.)

Committed: http://code.google.com/p/v8/source/detail?r=3811

[mnaganov (inactive), 2010-02-05 17:51:36]

On 2010/02/05 17:48:29, Michail Naganov wrote:
> 

For some reason, upload fails for windows bat file. Here it goes:

@echo off

SET tools_dir=%~dp0

SET log_file=v8.log

rem find the name of the log file to process, it must not start with a dash.
rem we prepend cmdline args with a number (in fact, any letter or number)
rem to cope with empty arguments.
SET arg1=1%1
IF NOT %arg1:~0,2% == 1 (IF NOT %arg1:~0,2% == 1- SET log_file=%1)
SET arg2=2%2
IF NOT %arg2:~0,2% == 2 (IF NOT %arg2:~0,2% == 2- SET log_file=%2)
SET arg3=3%3
IF NOT %arg3:~0,2% == 3 (IF NOT %arg3:~0,2% == 3- SET log_file=%3)
SET arg4=4%4
IF NOT %arg4:~0,2% == 4 (IF NOT %arg4:~0,2% == 4- SET log_file=%4)
SET arg5=5%5
IF NOT %arg5:~0,2% == 5 (IF NOT %arg5:~0,2% == 5- SET log_file=%5)
SET arg6=6%6
IF NOT %arg6:~0,2% == 6 (IF NOT %arg6:~0,2% == 6- SET log_file=%6)
SET arg7=7%7
IF NOT %arg7:~0,2% == 7 (IF NOT %arg7:~0,2% == 7- SET log_file=%7)
SET arg8=8%8
IF NOT %arg8:~0,2% == 8 (IF NOT %arg8:~0,2% == 8- SET log_file=%8)
SET arg9=9%9
IF NOT %arg9:~0,2% == 9 (IF NOT %arg9:~0,2% == 9- SET log_file=%9)

type %log_file% | %tools_dir%..\d8 %tools_dir%splaytree.js %tools_dir%codemap.js
%tools_dir%csvparser.js %tools_dir%consarray.js %tools_dir%profile.js
%tools_dir%profile_view.js %tools_dir%logreader.js %tools_dir%tickprocessor.js
%tools_dir%tickprocessor-driver.js -- --windows %*

[Søren Thygesen Gjesse, 2010-02-08 08:06:54]

LGTM