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SubjectRe: [PATCH v3 3/8] perf cs-etm: Remove unused 'trace_on' in cs_etm_decoder
On Tue, Dec 11, 2018 at 03:38:23PM +0800, Leo Yan wrote:
> 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>
> Cc: Mike Leach <mike.leach@linaro.org>
> Cc: Robert Walker <robert.walker@arm.com>
> ---
> tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> 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 0b4c862..97b39b1 100644
> --- 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,

Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>

> --
> 2.7.4
>

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