perf cs-etm: Remove unused 'trace_on' in cs_etm_decoder

cs_etm_decoder::trace_on is being assigned when TRACE_ON or NO_SYNC
element is coming, but it is never used hence it is redundant and can
be removed.

So let's remove 'trace_on' field from cs_etm_decoder struct.

Suggested-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Robert Walker <robert.walker@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1544513908-16805-4-git-send-email-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
index 0b4c8629f5785dd8e1b1d3adc41d50a5f6bdbb94..97b39b1f575990fbdfc79cdca8fc1b286cfa8081 100644 (file)
--- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
+++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
@@ -36,7 +36,6 @@
 struct cs_etm_decoder {
        void *data;
        void (*packet_printer)(const char *msg);
-       bool trace_on;
        dcd_tree_handle_t dcd_tree;
        cs_etm_mem_cb_type mem_access;
        ocsd_datapath_resp_t prev_return;
@@ -411,12 +410,10 @@ static ocsd_datapath_resp_t cs_etm_decoder__gen_trace_elem_printer(
        case OCSD_GEN_TRC_ELEM_UNKNOWN:
                break;
        case OCSD_GEN_TRC_ELEM_NO_SYNC:
-               decoder->trace_on = false;
                break;
        case OCSD_GEN_TRC_ELEM_TRACE_ON:
                resp = cs_etm_decoder__buffer_trace_on(decoder,
                                                       trace_chan_id);
-               decoder->trace_on = true;
                break;
        case OCSD_GEN_TRC_ELEM_INSTR_RANGE:
                resp = cs_etm_decoder__buffer_range(decoder, elem,