linux-kernel - [PATCH v3 0/6] maps memory improvements and fixes

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Date: Fri,  9 Feb 2024 19:17:40 -0800
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, Song Liu <song@...nel.org>, 
	Colin Ian King <colin.i.king@...il.com>, Liam Howlett <liam.howlett@...cle.com>, 
	K Prateek Nayak <kprateek.nayak@....com>, Artem Savkov <asavkov@...hat.com>, 
	Changbin Du <changbin.du@...wei.com>, Masami Hiramatsu <mhiramat@...nel.org>, 
	Athira Rajeev <atrajeev@...ux.vnet.ibm.com>, Alexey Dobriyan <adobriyan@...il.com>, 
	James Clark <james.clark@....com>, Vincent Whitchurch <vincent.whitchurch@...s.com>, 
	Leo Yan <leo.yan@...aro.org>, linux-perf-users@...r.kernel.org, 
	linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: [PATCH v3 0/6] maps memory improvements and fixes

First 6 patches from:
https://lore.kernel.org/lkml/20240202061532.1939474-1-irogers@google.com/

v3. Fix latent concurrent modification bug in maps__for_each_map.
v2. Fix NO_LIBUNWIND=1 build issue.

Ian Rogers (6):
  perf maps: Switch from rbtree to lazily sorted array for addresses
  perf maps: Get map before returning in maps__find
  perf maps: Get map before returning in maps__find_by_name
  perf maps: Get map before returning in maps__find_next_entry
  perf maps: Hide maps internals
  perf maps: Locking tidy up of nr_maps

 tools/perf/arch/x86/tests/dwarf-unwind.c |    1 +
 tools/perf/tests/maps.c                  |    3 +
 tools/perf/tests/thread-maps-share.c     |    8 +-
 tools/perf/tests/vmlinux-kallsyms.c      |   10 +-
 tools/perf/util/bpf-event.c              |    1 +
 tools/perf/util/callchain.c              |    2 +-
 tools/perf/util/event.c                  |    4 +-
 tools/perf/util/machine.c                |   34 +-
 tools/perf/util/map.c                    |    1 +
 tools/perf/util/maps.c                   | 1302 ++++++++++++++--------
 tools/perf/util/maps.h                   |   65 +-
 tools/perf/util/probe-event.c            |    1 +
 tools/perf/util/symbol-elf.c             |    4 +-
 tools/perf/util/symbol.c                 |   31 +-
 tools/perf/util/thread.c                 |    2 +-
 tools/perf/util/unwind-libdw.c           |    2 +-
 tools/perf/util/unwind-libunwind-local.c |    2 +-
 tools/perf/util/unwind-libunwind.c       |    7 +-
 18 files changed, 906 insertions(+), 574 deletions(-)

-- 
2.43.0.687.g38aa6559b0-goog