Em Thu, Apr 02, 2015 at 04:33:12PM +0900, Masami Hiramatsu escreveu: > Fix perf probe to track down unnamed union/structure members. > perf probe did not track down the tree of unnamed union/structure > members, since it just failed to find given "name" in a parent > structure/union. To solve this issue, I've introduced 2 changes. > > - Fix die_find_member() to track down the type-DIE if it is > unnamed, and if it contains the specified member, returns the > unnamed member. > (note that we don't return found member, since unnamed member > has the offset in the parent structure) > - Fix convert_variable_fields() to track down the unnamed union/ > structure (one-by-one). > > With this patch, perf probe can access unnamed fields. > ----- > #./perf probe -nfx ./perf lock__delete ops 'locked_ops=ops->locked.ops' > Added new event: > probe_perf:lock__delete (on lock__delete in > /home/mhiramat/ksrc/linux-3/tools/perf/perf with ops > locked_ops=ops->locked.ops) > > You can now use it in all perf tools, such as: > > perf record -e probe_perf:lock__delete -aR sleep 1 > ----- > > The original report of this issue is: https://lkml.org/lkml/2015/3/5/431
Thanks a lot! Applied, built and tested, all works as expected, Merged, - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
