perf intel-pt: Improve object code read error message

The offset is more readable in hex instead of decimal.
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220905073424.3971-5-adrian.hunter@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/intel-pt.c

@@ -842,7 +842,8 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn,
 						    offset, buf,
 						    INTEL_PT_INSN_BUF_SZ);
 			if (len <= 0) {
-				intel_pt_log("ERROR: failed to read at %" PRIu64 " ", offset);
+				intel_pt_log("ERROR: failed to read at offset %#" PRIx64 " ",
+					     offset);
 				if (intel_pt_enable_logging)
 					dso__fprintf(al.map->dso, intel_pt_log_fp());
 				return -EINVAL;