[PATCH v1 00/13] perf inject improvements

[Ian Rogers]

Fix the existing build id injection by adding sample IDs on to the
synthesized events. This correctly orders the events and addresses
issues such as a profiled executable being replaced during its
execution.

Add a new --mmap2-buildid-all option that rewrites all mmap events as
mmap2 events containing build IDs. This removes the need for build_id
events.

Add a new -B option that like --mmap2-buildid-all synthesizes mmap2
with build id events. With -B the behavior is to do it lazily, so only
when a sample references the particular map. With system wide
profiling that synthesizes mmap events for all running processes the
perf.data file savings can be greater than 50%.

Reduce the memory footprint of perf inject by avoiding creating
symbols in the callchain, the symbols aren't used during perf inject
and necessitate the loading of dsos.

Ian Rogers (13):
  perf synthetic-events: Avoid unnecessary memset
  perf map: API clean up
  perf jit: Constify filename argument
  perf dso: Constify dso_id
  perf evsel: Constify evsel__id_hdr_size argument
  perf test: Expand pipe/inject test
  perf inject: Combine build_ids and build_id_all into enum
  perf inject: Combine different mmap and mmap2 functions
  perf inject: Combine mmap and mmap2 handling
  perf inject: Fix build ID injection
  perf inject: Add new mmap2-buildid-all option
  perf inject: Lazy build-id mmap2 event insertion
  perf callchain: Allow symbols to be optional when resolving a
    callchain

 tools/perf/builtin-inject.c         | 532 ++++++++++++++++++----------
 tools/perf/builtin-top.c            |   2 +-
 tools/perf/tests/shell/pipe_test.sh | 103 ++++--
 tools/perf/tests/vmlinux-kallsyms.c |   4 +-
 tools/perf/util/build-id.c          |   6 +-
 tools/perf/util/callchain.c         |   8 +-
 tools/perf/util/callchain.h         |   2 +-
 tools/perf/util/dso.c               |   4 +-
 tools/perf/util/dso.h               |   4 +-
 tools/perf/util/dsos.c              |  12 +-
 tools/perf/util/dsos.h              |   2 +-
 tools/perf/util/evsel.c             |   2 +-
 tools/perf/util/evsel.h             |   2 +-
 tools/perf/util/jit.h               |   3 +-
 tools/perf/util/jitdump.c           |   6 +-
 tools/perf/util/machine.c           |  95 ++---
 tools/perf/util/machine.h           |  36 +-
 tools/perf/util/map.c               |  25 +-
 tools/perf/util/map.h               |  22 +-
 tools/perf/util/synthetic-events.c  | 103 +++++-
 tools/perf/util/synthetic-events.h  |  21 +-
 21 files changed, 682 insertions(+), 312 deletions(-)

-- 
2.46.0.184.g6999bdac58-goog