[stable request] perf tools: Handle JITed code in shared memory

[Vinson Lee <vlee@xxxxxxxxxxxxxxx>]

Hi.

Please consider upstream commit
89365e6c9ad4c0e090e4c6a4b67a3ce319381d89 for all stable trees.

commit 89365e6c9ad4c0e090e4c6a4b67a3ce319381d89
Author: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Date:   Wed Apr 24 17:03:02 2013 -0700

    perf tools: Handle JITed code in shared memory

    Need to check for /dev/zero.

    Most likely more strings are missing too.

    Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
    Link: http://lkml.kernel.org/r/1366848182-30449-1-git-send-email-andi@xxxxxxxxxxxxxx
    Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 6fcb9de..8bcdf9e 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -21,6 +21,7 @@ const char *map_type__name[MAP__NR_TYPES] = {
 static inline int is_anon_memory(const char *filename)
 {
        return !strcmp(filename, "//anon") ||
+              !strcmp(filename, "/dev/zero (deleted)") ||
               !strcmp(filename, "/anon_hugepage (deleted)");
 }


Cheers,
Vinson
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