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Re: ReBranch - a record-replay debugging tool
- From: Robert Bu <robert dot bu at gmail dot com>
- To: pi3orama at gmail dot com
- Cc: gdb at sourceware dot org
- Date: Mon, 13 Jun 2011 09:56:49 +0800
- Subject: Re: ReBranch - a record-replay debugging tool
Hi,
For data flow, recording syscall is not enough. There may be IO interaction.
I think your current implementation looks like a PC tracing, replaying tool.
Robert
>From: pi3orama <pi3orama@gmail.com>
>To: paawan oza <paawan1982@yahoo.com>
>Date: Fri, 10 Jun 2011 17:34:23 +0800
>Subject: Re: ReBranch - a record-replay debugging tool
>In multi-thread situation, nearly all data-flow information is lost
>because of propagation. However, in single thread situation, signal
>processing and system call results are all recorded and replayed, all
>data-flow info can still be restored.
>
>> ok got that point.
>> so in conclusion, any data-flow info which is reponsible for crash may not be
>> caught by rebranch, or there is a way ?
>>
>> Regards,
>> Oza.