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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1416351

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1416351

Title:
  perf doesn't work for userspace probes.

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  To reproduce the issue add a probe to the malloc function of libc

  # sudo apt-get install libc6-dbg
  # perf probe -x /lib/x86_64-linux-gnu/libc.so.6 malloc
  Probe point 'malloc' not found.
    Error: Failed to add events.

  It's not possible, to check if function exists just

  # perf probe -x /lib/x86_64-linux-gnu/libc.so.6 -F | grep malloc
  malloc
  malloc@plt
  malloc_atfork
  malloc_check
  malloc_consolidate
  malloc_hook_ini
  malloc_info
  malloc_printerr
  mallochook
  ptmalloc_init
  ptmalloc_init.part.7
  ptmalloc_lock_all
  ptmalloc_unlock_all
  ptmalloc_unlock_all2
  tr_mallochook

  
  $ cat /etc/lsb-release 
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=14.10
  DISTRIB_CODENAME=utopic
  DISTRIB_DESCRIPTION="Ubuntu 14.10"

  $ uname -a
  Linux collabora 3.16.0-29-generic #39-Ubuntu SMP Mon Dec 15 22:27:29 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

  Package: linux-tools-common
  Priority: optional
  Section: kernel
  Installed-Size: 221
  Maintainer: Ubuntu Kernel Team <kernel-team@xxxxxxxxxxxxxxxx>
  Architecture: all
  Source: linux
  Version: 3.16.0-23.31
  Replaces: linux-tools (<= 2.6.32-16.25)
  Filename: pool/main/l/linux/linux-tools-common_3.16.0-23.31_all.deb
  Size: 82528
  MD5sum: 7fa49442a8376adaf9a1f95da364e27b
  SHA1: 07781c6ef66ed6fad70ce5fecea0a706f8329da2
  SHA256: 506611d286247838db347cd1186521725ca3fc6be7e9d1007bd0895a185b9cfb

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