[for-next][PATCH 00/30] tracing: Add features for event-fork and histograms

[Steven Rostedt]

  git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
for-next

Head SHA1: d50c744ecde7ee3ba4d7ffb0e1c55e7a2f6bbc8e


Masami Hiramatsu (3):
      kselftests/ftrace : Add event trigger testcases
      kselftests/ftrace: Add hist trigger testcases
      kselftests/ftrace: Add a test for log2 modifier of hist trigger

Namhyung Kim (2):
      tracing: Support string type key properly
      tracing: Add hist trigger 'log2' modifier

Steven Rostedt (3):
      tracing: Rename check_ignore_pid() to ignore_this_task()
      tracing: Use pid bitmap instead of a pid array for set_event_pid
      tracing: Add infrastructure to allow set_event_pid to follow children

Steven Rostedt (Red Hat) (3):
      tracing: Update the documentation to describe "event-fork" option
      tracing: Fix TRACING_MAP Kconfig
      tracing: Fix unsigned comparison to zero in hist trigger code

Tom Zanussi (19):
      tracing: Add lock-free tracing_map
      tracing: Update some tracing_map constants and comments
      tracing: Add 'hist' event trigger command
      tracing: Add hist trigger support for multiple values ('vals=' param)
      tracing: Add hist trigger support for compound keys
      tracing: Add hist trigger support for user-defined sorting ('sort=' param)
      tracing: Add hist trigger support for pausing and continuing a trace
      tracing: Add hist trigger support for clearing a trace
      tracing: Add hist trigger 'hex' modifier for displaying numeric fields
      tracing: Add hist trigger 'sym' and 'sym-offset' modifiers
      tracing: Add hist trigger 'execname' modifier
      tracing: Add hist trigger 'syscall' modifier
      tracing: Add hist trigger support for stacktraces as keys
      tracing: Remove restriction on string position in hist trigger keys
      tracing: Add enable_hist/disable_hist triggers
      tracing: Add 'hist' trigger Documentation
      tracing: Add support for multiple hist triggers per event
      tracing: Add support for named triggers
      tracing: Add support for named hist triggers

----
 Documentation/trace/events.txt                     | 1555 +++++++++++++++++
 Documentation/trace/ftrace.txt                     |   34 +-
 include/linux/trace_events.h                       |    2 +
 kernel/trace/Kconfig                               |   26 +
 kernel/trace/Makefile                              |    2 +
 kernel/trace/trace.c                               |   60 +
 kernel/trace/trace.h                               |   59 +-
 kernel/trace/trace_events.c                        |  301 ++--
 kernel/trace/trace_events_hist.c                   | 1752 ++++++++++++++++++++
 kernel/trace/trace_events_trigger.c                |  215 ++-
 kernel/trace/tracing_map.c                         | 1058 ++++++++++++
 kernel/trace/tracing_map.h                         |  283 ++++
 tools/testing/selftests/ftrace/test.d/functions    |    9 +
 .../ftrace/test.d/trigger/trigger-eventonoff.tc    |   64 +
 .../ftrace/test.d/trigger/trigger-filter.tc        |   59 +
 .../ftrace/test.d/trigger/trigger-hist-mod.tc      |   75 +
 .../ftrace/test.d/trigger/trigger-hist.tc          |   83 +
 .../ftrace/test.d/trigger/trigger-multihist.tc     |   73 +
 .../ftrace/test.d/trigger/trigger-snapshot.tc      |   56 +
 .../ftrace/test.d/trigger/trigger-stacktrace.tc    |   53 +
 .../ftrace/test.d/trigger/trigger-traceonoff.tc    |   58 +
 21 files changed, 5706 insertions(+), 171 deletions(-)
 create mode 100644 kernel/trace/trace_events_hist.c
 create mode 100644 kernel/trace/tracing_map.c
 create mode 100644 kernel/trace/tracing_map.h
 create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
 create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
 create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc
 create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc
 create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc
 create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
 create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
 create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc