Re: [Crash-utility] GCORE: add directly show backtrace function in crash

Hi Daisuke, On Mon, Oct 22, 2012 at 3:29 PM, HATAYAMA Daisuke <d.hatayama(a)jp.fujitsu.com > wrote: > From: Lei Wen <adrian.wenl(a)gmail.com&gt; > Subject: GCORE: add directly show backtrace function in crash > Date: Mon, 22 Oct 2012 12:21:49 +0800 > > > Hi Daisuke, > > > > I create a new option "-tT" for gcore, so that it could display bt for > user > > space > > directly inside crash itself, without needing to dump a separated core > file > > image, > > and analyze it in a different gdb env. > > > > The attached patch is directly based on below patch, and verify over ARM > > platform. > > http://osdir.com/ml/general/2012-10/msg32677.html > > > > Before use the corresponding gcore command, we need set env in crash by: > > > > crash>> gdb set solib-search-path [system lib path] > > > > crash>> gdb file [user space program symbol file] > > > > crash>> gcore -t [user space thread id] > > > > Thanks, > > Lei > > Hello Lei, > > That must be a useful feature, but I think it's very othogonal to > gcore command... > > Why not releasing your own extension module separately to gcore? > I put this function in gcore, is for gcore already provide the function to get the general register for user space thread. If add another module, that part of function seems a little duplicated...

Also provide the gcore the capability to either dump into a core file or directly display, user may have more choice over this. :)