linux-kernel - Re: KGTP (Linux Kernel debugger and tracer) 20120224 release(more bug fix)

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Message-ID: <CABSWGtaC9ocvNdBb+3M9mGfF9T_NMGCE=2O9Za9DaYYBJfr_Bg@mail.gmail.com>
Date:	Mon, 27 Feb 2012 22:05:26 +0800
From:	bekars <bekars@...il.com>
To:	Hui Zhu <teawater@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	"gdb@...rceware.org" <gdb@...rceware.org>,
	kgtp <kgtp@...elists.org>, kernel@...r.linux-kernel.cn,
	Marc Khouzam <marc.khouzam@...csson.com>,
	Thiago Jung Bauermann <thiago.bauermann@...il.com>,
	Steven <mqyoung@...il.com>, colyli@...il.com,
	Christoph Hellwig <hch@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Randy Dunlap <rdunlap@...otime.net>,
	Geunsik Lim <leemgs1@...il.com>
Subject: Re: KGTP (Linux Kernel debugger and tracer) 20120224 release(more bug fix)

Great Work !

2012/2/27 Hui Zhu <teawater@...il.com>:
> KGTP is a realtime and lightweight Linux Kernel debugger and tracer.
>
> It makes Linux Kernel supply a GDB remote debug interface. Then GDB in
> current machine or remote machine (see
> https://code.google.com/p/kgtp/wiki/HOWTO#Make_GDB_connect_to_gtp) can
> debug and trace Linux through GDB tracepoint without stopping the
> Linux Kernel. And even if the board doesn't have GDB on it and doesn't
> have interface for remote debug. It can debug the Linux Kernel using
> offline debug (See
> https://code.google.com/p/kgtp/wiki/HOWTO#Offline_debug).
> And it can work with Android (See
> https://code.google.com/p/kgtp/wiki/HowToUseKGTPinAndroid).
> Now, it supports X86-32, X86-64, MIPS and ARM.
>
> Now, KGTP 20120224 release.
> You can get the package for it from
> http://kgtp.googlecode.com/files/kgtp_20120224.tar.bz2
> or
> svn co https://kgtp.googlecode.com/svn/tags/20120224
>
> I tried to done an very interesting add-ons(a python script for GDB)
> in this release.  But I found some bugs and fixed them when I tested
> this add-ons.  So I think maybe release a new version for these bug
> fixes is better.
> Please give KGTP some concern, our next version will include this
> interesting add-ons.
>
> The change of this release is:
> Fix build error with Linux Kernel 3.0.x version. Thanks for report
> from sam.wanshan.
> Make getgtprsp.pl support all special trace state variables.
> Fix the bug that set the id of FID_PAGE_BEGIN inside gtp_rb.
> Change code to ignore the task that read the
> /sys/kernel/debug/gtpframe_pipe in default.  And add special trace
> state variable $pipe_trace to control it.
> Fix error of doc about $ignore_error.
> Add $current_task_pid to access to get_current()->pid.
> Remove GTP_VAR_NOT_GETV, GTP_VAR_NOT_SETV and GTP_VAR_NOT_TRACEV.
> Fix bug in gtp_frame_file_header that affect stack when src of
> conditon or action is bigger than 200.
> To get other change info please goto https://code.google.com/p/kgtp/wiki/UPDATE
>
> According to the comments of Christoph.  I make a patch for Linux
> Kernel and make it looks OK with checkpatch.pl.  I will post the patch
> for review to linux-kernel@...r.kernel.org in a separate mail.
>
> Thanks,
> Hui
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