aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/builtin-buildid-list.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--tools/perf/builtin-buildid-list.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index 4102eadcf849..cb690a65bf02 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -1,8 +1,8 @@
/*
* builtin-buildid-list.c
*
- * Builtin buildid-list command: list buildids in perf.data or in the running
- * kernel.
+ * Builtin buildid-list command: list buildids in perf.data, in the running
+ * kernel and in ELF files.
*
* Copyright (C) 2009, Red Hat Inc.
* Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
@@ -16,6 +16,8 @@
#include "util/session.h"
#include "util/symbol.h"
+#include <libelf.h>
+
static char const *input_name = "perf.data";
static bool force;
static bool show_kernel;
@@ -70,12 +72,31 @@ static int sysfs__fprintf_build_id(FILE *fp)
return 0;
}
-static int __cmd_buildid_list(void)
+static int filename__fprintf_build_id(const char *name, FILE *fp)
{
+ u8 build_id[BUILD_ID_SIZE];
+ char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+ if (filename__read_build_id(name, build_id,
+ sizeof(build_id)) != sizeof(build_id))
+ return 0;
+
+ build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
+ return fprintf(fp, "%s\n", sbuild_id);
+}
+
+static int __cmd_buildid_list(void)
+{
if (show_kernel)
return sysfs__fprintf_build_id(stdout);
+ elf_version(EV_CURRENT);
+ /*
+ * See if this is an ELF file first:
+ */
+ if (filename__fprintf_build_id(input_name, stdout))
+ return 0;
+
return perf_session__list_build_ids();
}