On Sun, Dec 17, 2017 at 9:40 AM, Rob Landley <[email protected]> wrote: > On 12/17/2017 11:20 AM, Rob Landley wrote: >> Sigh. You argument that "we can't just do something easily explained but >> must copy ubuntu's magic edge cases exactly" implies I need to >> understand ubuntu's magic edge cases, which are nonobvious. > > I should clarify: what I'm uncomfortable with is the need to read > multiple /proc files per process, because the speed of lsof is just > _sad_ and the cpu usage of top is unpleasant. (Part of the reason I > haven't finished cleaning up lsof yet is I still hope to be able to > speed it up somehow, which is a largeish time sink every time I turn my > attention to it.) > > Having killall need to do similar grinding over a large number of > processes seems unnecessary. That said, it looks like to match ubuntu's > killall we would need to read two files _and_ stat /proc/$$/exe.
that's still a lot lighter weight than all the work pgrep/pkill have to do, and it's what everyone's already living with anyway... > Rob -- Elliott Hughes - http://who/enh - http://jessies.org/~enh/ Android native code/tools questions? Mail me/drop by/add me as a reviewer. _______________________________________________ Toybox mailing list [email protected] http://lists.landley.net/listinfo.cgi/toybox-landley.net
