perf/urgent fixes:

User visible:
 
 - Fallback to usermode only counters when perf_event_paranoid > 1, which
   is the case now (Arnaldo Carvalho de Melo)
 
 - Do not reassign parg after collapse_tree() in libtraceevent, which
   may cause tool crashes (Steven Rostedt)
 
 Build fixes:
 
 - Fix the build on Fedora Rawhide, where readdir_r() is deprecated and
   also wrt -Werror=unused-const-variable= + x86_32_regoffset_table on
   !x86_64 (Arnaldo Carvalho de Melo)
 
 - Fix the build on Ubuntu 12.04.5, where dwarf_getlocations() isn't
   available, i.e. libdw-dev < 0.157 (Arnaldo Carvalho de Melo)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-20160512' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

- Fallback to usermode-only counters when perf_event_paranoid > 1, which
  is the case now (Arnaldo Carvalho de Melo)

- Do not reassign parg after collapse_tree() in libtraceevent, which
  may cause tool crashes (Steven Rostedt)

- Fix the build on Fedora Rawhide, where readdir_r() is deprecated and
  also wrt -Werror=unused-const-variable= + x86_32_regoffset_table on
  !x86_64 (Arnaldo Carvalho de Melo)

- Fix the build on Ubuntu 12.04.5, where dwarf_getlocations() isn't
  available, i.e. libdw-dev < 0.157 (Arnaldo Carvalho de Melo)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2016-05-13 07:35:12 +02:00
commit 636fa4a7b0
14 changed files with 145 additions and 85 deletions