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perf/core improvements and fixes:

Browse source 
New features:
 
 - Improve ARM support in the annotation code, affecting 'perf annotate', 'perf
   report' and live annotation in 'perf top' (Kim Phillips)
 
 - Initial support for PowerPC in the annotation code (Ravi Bangoria)
 
 - Skip repetitive scheduler function on the top of the stack in
   'perf sched timehist' (Namhyung Kim)
 
 Fixes:
 
 - Fix maps resolution in libbpf (Eric Leblond)
 
 - Get the kernel signature via /proc/version_signature, available on
   ubuntu systems, to make sure bpf proggies works, as the one provided
   via 'uname -r' doesn't (Wang Nan)
 
 - Fix segfault in 'perf record' when running with suid and kptr_restrict
   is 1 (Wang Nan)
 
 Infrastructure:
 
 - Support per-arch instruction tables, kept via a static or dynamic table
   (Arnaldo Carvalho de Melo)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-20161125' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

New features:

- Improve ARM support in the annotation code, affecting 'perf annotate', 'perf
  report' and live annotation in 'perf top' (Kim Phillips)

- Initial support for PowerPC in the annotation code (Ravi Bangoria)

- Skip repetitive scheduler function on the top of the stack in
  'perf sched timehist' (Namhyung Kim)

Fixes:

- Fix maps resolution in libbpf (Eric Leblond)

- Get the kernel signature via /proc/version_signature, available on
  Ubuntu systems, to make sure BPF proggies works, as the one provided
  via 'uname -r' doesn't (Wang Nan)

- Fix segfault in 'perf record' when running with suid and kptr_restrict
  is 1 (Wang Nan)

Infrastructure changes:

- Support per-arch instruction tables, kept via a static or dynamic table
  (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 2016-11-25 18:12:41 +01:00
commit 2471cece40
13 changed files with 431 additions and 202 deletions
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