The use_kcore field is to control usage of /proc/kcore when loading symbols. This patch only introduces the new field and don't change any behavior by itself.
Cc: Adrian Hunter <[email protected]> Cc: Wang Nan <[email protected]> Signed-off-by: Namhyung Kim <[email protected]> --- tools/perf/util/symbol.c | 3 ++- tools/perf/util/symbol.h | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index fe46eb782297..3f789f33c2ef 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -36,6 +36,7 @@ char **vmlinux_path; struct symbol_conf symbol_conf = { .use_modules = true, + .use_kcore = true, .try_vmlinux_path = true, .annotate_src = true, .demangle = true, @@ -1324,7 +1325,7 @@ int __dso__load_kallsyms(struct dso *dso, const char *filename, int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map) { - return __dso__load_kallsyms(dso, filename, map, false); + return __dso__load_kallsyms(dso, filename, map, !symbol_conf.use_kcore); } static int dso__load_perf_map(struct dso *dso, struct map *map) diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 41ebba9a2eb2..88361eeae813 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -119,7 +119,8 @@ struct symbol_conf { hide_unresolved, raw_trace, report_hierarchy, - inline_name; + inline_name, + use_kcore; const char *vmlinux_name, *kallsyms_name, *source_prefix, -- 2.13.1
