Re: INFO: task hung in xlog_grant_head_check

[Eric Sandeen]

On 6/11/18 8:20 AM, Dmitry Vyukov wrote:
> On Wed, May 23, 2018 at 8:01 PM, Eric Sandeen <sandeen@xxxxxxxxxxx> wrote:

...

>> As an aside, I wonder how much coverage of the V5 format code syzkaller
>> /has/
>> achieved; that would be another useful datapoint google could provide - if
>> syzkaller is in fact traversing the V5 codepaths and isn't turning anything
>> up, that'd be pretty useful to know.
> 
> Hi Eric,
> 
> The current syzbot kernel code coverage is available here:
> https://storage.googleapis.com/syzkaller/cover/upstream.html#9c73bb525fc1def86e67f5039ab97d8f48062621

Here is an example of an informative, useful, and efficient presentation of
code coverage:

http://ltp.sourceforge.net/coverage/lcov/output/index.html

Thanks,
-Eric