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[PATCH 00/12] record btrace: prepare for a new trace format


This is the first part of a patch series that adds support for a new trace
format.  The entire series consists of three parts:

  - preparation (this)
  - support live inferior tracing
  - support trace in core files


Besides preparing for an additional trace format, this first part adds the
following functionality:

  - allow the trace buffer size to be configured
  - indicate errors as gaps in the trace


In order to motivate some patches (e.g. identifying the cpu or changing the
btrace_compute_ftrace parameters), I also send a work-in-progress version of the
second part that adds support for the new trace format.  This patch is not part
of the series under review.


Markus Metzger (12):
  btrace: add struct btrace_data
  btrace: add format argument to supports_btrace
  btrace, linux: add perf event buffer abstraction
  record btrace: add configuration struct
  record-btrace: add bts buffer size configuration option
  btrace: update btrace_compute_ftrace parameters
  btrace: extend struct btrace_insn
  btrace: identify cpu
  btrace: use the new cpu identifier
  record-btrace: indicate gaps
  configure: check for libipt
  [wip] btrace: support Intel(R) Processor Trace

 gdb/Makefile.in                                  |  16 +-
 gdb/NEWS                                         |  37 +
 gdb/btrace.c                                     | 965 ++++++++++++++++++++---
 gdb/btrace.h                                     |  98 ++-
 gdb/common/btrace-common.c                       | 175 ++++
 gdb/common/btrace-common.h                       | 242 +++++-
 gdb/config.in                                    |   3 +
 gdb/configure                                    | 498 ++++++++++++
 gdb/configure.ac                                 |  20 +
 gdb/doc/gdb.texinfo                              | 189 ++++-
 gdb/features/btrace-conf.dtd                     |  17 +
 gdb/features/btrace.dtd                          |  18 +-
 gdb/gdbserver/Makefile.in                        |   8 +-
 gdb/gdbserver/linux-low.c                        | 181 ++++-
 gdb/gdbserver/server.c                           | 228 +++++-
 gdb/gdbserver/target.h                           |  27 +-
 gdb/nat/linux-btrace.c                           | 806 ++++++++++++++++---
 gdb/nat/linux-btrace.h                           |  79 +-
 gdb/record-btrace.c                              | 497 +++++++++++-
 gdb/remote.c                                     | 233 +++++-
 gdb/target-delegates.c                           |  32 +-
 gdb/target.c                                     |  22 +-
 gdb/target.h                                     |  37 +-
 gdb/testsuite/gdb.btrace/buffer-size.exp         |  57 ++
 gdb/testsuite/gdb.btrace/delta.exp               |  12 +-
 gdb/testsuite/gdb.btrace/enable.exp              |   4 +-
 gdb/testsuite/gdb.btrace/finish.exp              |   3 +-
 gdb/testsuite/gdb.btrace/instruction_history.exp |   2 +-
 gdb/testsuite/gdb.btrace/next.exp                |   6 +-
 gdb/testsuite/gdb.btrace/nexti.exp               |   6 +-
 gdb/testsuite/gdb.btrace/nohist.exp              |   3 +-
 gdb/testsuite/gdb.btrace/step.exp                |   6 +-
 gdb/testsuite/gdb.btrace/stepi.exp               |   6 +-
 gdb/x86-linux-nat.c                              |  18 +-
 34 files changed, 4143 insertions(+), 408 deletions(-)
 create mode 100644 gdb/common/btrace-common.c
 create mode 100644 gdb/features/btrace-conf.dtd
 create mode 100644 gdb/testsuite/gdb.btrace/buffer-size.exp

-- 
1.8.3.1


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