Signed-off-by: Jan Stancek <jstan...@redhat.com>
Cc: Arnaldo Carvalho de Melo <a...@kernel.org>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Corey Ashford <cjash...@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
---
tools/perf/tests/code-reading.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index e6bf47ff7e91..53a04f899d18 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -163,6 +163,18 @@ static int read_via_objdump(const char *filename, u64
addr, void *buf,
return ret;
}
+static void dump_buf(unsigned char *buf, size_t len)
+{
+ size_t i;
+
+ for (i = 0; i < len; i++) {
+ pr_debug("0x%02x ", buf[i]);
+ if (i % 16 == 15)
+ pr_debug("\n");
+ }
+ pr_debug("\n");
+}
+
static int read_object_code(u64 addr, size_t len, u8 cpumode,
struct thread *thread, struct state *state)
{
@@ -265,6 +277,10 @@ static int read_object_code(u64 addr, size_t len, u8
cpumode,
/* The results should be identical */
if (memcmp(buf1, buf2, len)) {
pr_debug("Bytes read differ from those read by objdump\n");
+ pr_debug("buf1 (dso):\n");
+ dump_buf(buf1, len);
+ pr_debug("buf2 (objdump):\n");
+ dump_buf(buf2, len);
return -1;
}
pr_debug("Bytes read match those read by objdump\n");
--
1.8.3.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
