On 2017-12-19 11:52 AM, Steven Rostedt wrote: > On Tue, 19 Dec 2017 17:46:19 +0100 > Peter Zijlstra <[email protected]> wrote: > > >> It really isn't that hard, Its mostly a question of TL;DR. >> >> #0 is useless and should be thrown out >> #1 shows where we take #1 while holding #0 >> .. >> #n shows where we take #n while holding #n-1 >> >> And the bottom callstack shows where we take #0 while holding #n. Which >> gets you a nice circle in your graph, which spells deadlock. >> >> Plenty people have shown they get this stuff. > > > Then I suggest that you can either take my patch to improve the > visual or remove the visual completely, as nobody cares about it. >
I prefer the former. As Steven has mentioned elsewhere, people find lockdep output hard to follow (enough that he has given talks :) ) Dhaval
