perf intel-pt: Add CBR value to decoder state

For convenience, add the core-to-bus ratio (CBR) value to the decoder
state.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190622093248.581-4-adrian.hunter@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/intel-pt-decoder/intel-pt-decoder.c

@@ -2633,6 +2633,7 @@ const struct intel_pt_state *intel_pt_decode(struct intel_pt_decoder *decoder)
 			}
 			decoder->state.type |= INTEL_PT_CBR_CHG;
 			decoder->state.cbr_payload = decoder->cbr_payload;
+			decoder->state.cbr = decoder->cbr;
 		}
 		if (intel_pt_sample_time(decoder->pkt_state)) {
 			intel_pt_update_sample_time(decoder);

tools/perf/util/intel-pt-decoder/intel-pt-decoder.h

@@ -213,6 +213,7 @@ struct intel_pt_state {
 	uint64_t pwre_payload;
 	uint64_t pwrx_payload;
 	uint64_t cbr_payload;
+	uint32_t cbr;
 	uint32_t flags;
 	enum intel_pt_insn_op insn_op;
 	int insn_len;