Commit-ID: 162bcc17bb876772793ca070ebd6488cfdae09bf Gitweb: http://git.kernel.org/tip/162bcc17bb876772793ca070ebd6488cfdae09bf Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> AuthorDate: Tue, 11 Nov 2014 11:25:28 -0300 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitDate: Wed, 19 Nov 2014 12:33:46 -0300 perf symbols: Fallback to kallsyms when using the minimal 'ELF' loader The minimal ELF loader should not return 1 when it manages to read the vmlinux build-id, it should instead return 0, meaning that it hasn't loaded any symbols, since it doesn't parses ELF at all. That way, the main symbol.c routines will understand that it is necessary to continue looking for a file with symbols, and when no libelf is linked, that means it will eventually try kallsyms. Reported-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Tested-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxx> Cc: David Ahern <dsahern@xxxxxxxxx> Cc: Don Zickus <dzickus@xxxxxxxxxx> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Mike Galbraith <efault@xxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Stephane Eranian <eranian@xxxxxxxxxx> Link: http://lkml.kernel.org/r/20141111130326.GT18464@xxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tools/perf/util/symbol-minimal.c | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c index c9541fe..fa585c6 100644 --- a/tools/perf/util/symbol-minimal.c +++ b/tools/perf/util/symbol-minimal.c @@ -341,7 +341,6 @@ int dso__load_sym(struct dso *dso, struct map *map __maybe_unused, if (filename__read_build_id(ss->name, build_id, BUILD_ID_SIZE) > 0) { dso__set_build_id(dso, build_id); - return 1; } return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html