[lkml]   [2009]   [Sep]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH v2 2/5] kmemleak: add clear command support
    On Thu, Sep 03, 2009 at 09:52:11AM -0700, Catalin Marinas wrote:
    > On Thu, 2009-09-03 at 01:35 -0400, Luis R. Rodriguez wrote:
    > > In an ideal world your kmemleak output will be small,
    > > when its not you can use the clear command to ingore previously
    > > annotated kmemleak objects. We do this by painting them black.
    > Making the objects "black" means that they are completely ignored by
    > kmemleak and they are assumed not to contain any valid references.
    > Therefore they won't be scanned and many of the newly allocated objects
    > would be false positives.

    Got it, BTW can you elaborate as to why painting objects black would
    create false positives for newly allocated objects? I fail to understand

    > You may want to make them "gray" and only those which were reported as
    > unreferenced, something like below:
    > if ((object->flags & OBJECT_REPORTED) && unreferenced_object(object))
    > make_gray_object(object->pointer)

    Thanks, will use this.


     \ /
      Last update: 2009-09-04 22:57    [W:0.021 / U:0.164 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site