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Subject[tip:perf/core] perf annotate: Add debug message for out of bounds sample
Commit-ID:  e3d006ce8180a0c025ce66bdc89bbc125f85be57
Gitweb: http://git.kernel.org/tip/e3d006ce8180a0c025ce66bdc89bbc125f85be57
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Wed, 21 Oct 2015 15:45:13 -0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 21 Oct 2015 18:12:37 -0300

perf annotate: Add debug message for out of bounds sample

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-q0lde9ajs84oi38nlyjcqbwg@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/annotate.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index d1eece7..0fc8d7a 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -548,8 +548,11 @@ static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,

pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));

- if (addr < sym->start || addr >= sym->end)
+ if (addr < sym->start || addr >= sym->end) {
+ pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n",
+ __func__, __LINE__, sym->name, sym->start, addr, sym->end);
return -ERANGE;
+ }

offset = addr - sym->start;
h = annotation__histogram(notes, evidx);

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