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authorAndi Kleen <ak@linux.intel.com>2014-11-12 18:05:23 -0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-11-19 12:33:47 -0300
commit2989ccaac48f8c3da7f77101bbf98e0ea8773d83 (patch)
treec0484d0ac42808cd690432c4425f556be28b4383 /tools/perf/util/callchain.c
parent5550171b2a9f8df26ff483051d060db06376b26d (diff)
downloadblackbird-obmc-linux-2989ccaac48f8c3da7f77101bbf98e0ea8773d83.tar.gz
blackbird-obmc-linux-2989ccaac48f8c3da7f77101bbf98e0ea8773d83.zip
perf callchain: Use a common function to resolve symbol or name
Refactor the duplicated code to resolve the symbol name or the address of a symbol into a single function. Used in next patch to add common functionality. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1415844328-4884-6-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/callchain.c')
-rw-r--r--tools/perf/util/callchain.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 00229809a904..38da69c8c1ff 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -808,3 +808,22 @@ int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node *
out:
return 1;
}
+
+char *callchain_list__sym_name(struct callchain_list *cl,
+ char *bf, size_t bfsize, bool show_dso)
+{
+ int printed;
+
+ if (cl->ms.sym) {
+ printed = scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
+ } else
+ printed = scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
+
+ if (show_dso)
+ scnprintf(bf + printed, bfsize - printed, " %s",
+ cl->ms.map ?
+ cl->ms.map->dso->short_name :
+ "unknown");
+
+ return bf;
+}
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