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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-04-17 18:28:01 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-04-17 18:47:55 -0300 |
| commit | 7031edac9dbc0f880c9fbaa40ca08b5de34239c6 (patch) | |
| tree | 41c376c2a746d69ac2fa143d35bc95c3163ef8e2 /tools/perf/util/dso.h | |
| parent | da885a0e5e0610e011f14a70c2dc7c4ddf79c6d6 (diff) | |
| download | linux-7031edac9dbc0f880c9fbaa40ca08b5de34239c6.tar.gz linux-7031edac9dbc0f880c9fbaa40ca08b5de34239c6.tar.bz2 linux-7031edac9dbc0f880c9fbaa40ca08b5de34239c6.zip | |
perf dso: Add dso__filename_with_chroot() to reduce number of accesses to dso->nsinfo members
We'll need to reference count dso->nsinfo, so reduce the number of
direct accesses by having a shorter form of obtaining a filename with
a chroot (namespace one).
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Link: https://lore.kernel.org/lkml/ZD26ZlqSbgSyH5lX@kernel.org
[ Used nsinfo__pid(dso->nsinfo), as it was already present ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/dso.h')
| -rw-r--r-- | tools/perf/util/dso.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index 58d94175e714..0b7c7633b9f6 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -266,6 +266,8 @@ static inline bool dso__has_symbols(const struct dso *dso) return !RB_EMPTY_ROOT(&dso->symbols.rb_root); } +char *dso__filename_with_chroot(const struct dso *dso, const char *filename); + bool dso__sorted_by_name(const struct dso *dso); void dso__set_sorted_by_name(struct dso *dso); void dso__sort_by_name(struct dso *dso); |