From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 21 Oct 2015 18:45:13 +0000 (-0300)
Subject: perf annotate: Add debug message for out of bounds sample
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e3d006ce8180a0c025ce66bdc89bbc125f85be57;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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>
---

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index d1eece70b84d..0fc8d7a2fea5 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);