Re: [PATCH v1 0/6] maps memory improvements and fixes

From: Ian Rogers
Date: Wed Feb 07 2024 - 12:50:14 EST


On Wed, Feb 7, 2024 at 8:54 AM Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
>
> Hi Ian,
>
> On Mon, Feb 5, 2024 at 7:33 PM Ian Rogers <irogers@xxxxxxxxxx> wrote:
> >
> > First 6 patches from:
> > https://lore.kernel.org/lkml/20240202061532.1939474-1-irogers@xxxxxxxxxx/
> >
> > 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
>
> This fails to build with NO_LIBUNWIND=1
>
> util/unwind-libdw.c: In function ‘unwind__get_entries’:
> util/unwind-libdw.c:266:70: error: invalid use of undefined type ‘struct maps’
> 266 | .machine =
> RC_CHK_ACCESS(thread__maps(thread))->machine,

Thanks Namhyung, will fix in v2.

Ian

> Thanks,
> Namhyung
>
>
> >
> > 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 | 1296 ++++++++++++++--------
> > 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-libunwind-local.c | 2 +-
> > tools/perf/util/unwind-libunwind.c | 7 +-
> > 17 files changed, 899 insertions(+), 573 deletions(-)
> >
> > --
> > 2.43.0.594.gd9cf4e227d-goog
> >