[PATCH v4 0/6] perf tools: Use SIGUSR2 control data dumpping

[Wang Nan <wangnan0@huawei.com>]

v3 -> v4: Reimplement trigger class, rename states, describe the transitions
          of it in header and change log.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com

Wang Nan (6):
  perf tools: Derive trigger class from auxtrace_snapshot
  perf record: Split output into multiple files via '--switch-output'
  perf record: Force enable --timestamp-filename when --switch-output is
    provided
  perf record: Disable buildid cache options by default in switch output
    mode
  perf record: Re-synthesize tracking events after output switching
  perf record: Generate tracking events for process forked by perf

 tools/perf/Documentation/perf-record.txt |  13 +++
 tools/perf/builtin-record.c              | 176 +++++++++++++++++++++----------
 tools/perf/util/trigger.h                | 123 +++++++++++++++++++++
 3 files changed, 255 insertions(+), 57 deletions(-)
 create mode 100644 tools/perf/util/trigger.h

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1.8.3.4