[PATCH 17/33] perf symbols: Do not attempt to read data from kallsyms

From: Arnaldo Carvalho de Melo
Date: Thu Jul 17 2014 - 12:19:58 EST


From: Adrian Hunter <adrian.hunter@xxxxxxxxx>

Record kallsyms binary type so that tools will not
attempt to read binary data from it.

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1405332185-4050-20-git-send-email-adrian.hunter@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/symbol.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index ae2e4464afa7..156ae36dfcfc 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1664,6 +1664,7 @@ do_kallsyms:
free(kallsyms_allocated_filename);

if (err > 0 && !dso__is_kcore(dso)) {
+ dso->binary_type = DSO_BINARY_TYPE__KALLSYMS;
dso__set_long_name(dso, "[kernel.kallsyms]", false);
map__fixup_start(map);
map__fixup_end(map);
@@ -1711,6 +1712,7 @@ static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map,
if (err > 0)
pr_debug("Using %s for symbols\n", kallsyms_filename);
if (err > 0 && !dso__is_kcore(dso)) {
+ dso->binary_type = DSO_BINARY_TYPE__GUEST_KALLSYMS;
machine__mmap_name(machine, path, sizeof(path));
dso__set_long_name(dso, strdup(path), true);
map__fixup_start(map);
--
1.9.3

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