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| author | Leo Yan <leo.yan@linaro.org> | 2018-12-11 15:38:25 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-18 12:23:59 -0300 |
| commit | 49ccf87bfb9e8517ab2f019e95845760c4c3a562 (patch) | |
| tree | 24b77c2ede1b8845014d9be1ef00a7826aad5ce5 /tools/perf/util/cs-etm-decoder | |
| parent | cfc1d4276b0453a752d8b31daf34f7f2dbd55e82 (diff) | |
| download | lwn-49ccf87bfb9e8517ab2f019e95845760c4c3a562.tar.gz lwn-49ccf87bfb9e8517ab2f019e95845760c4c3a562.zip | |
perf cs-etm: Rename CS_ETM_TRACE_ON to CS_ETM_DISCONTINUITY
TRACE_ON element is used at the beginning of trace, it also can be
appeared in the middle of trace data to indicate discontinuity; for
example, it's possible to see multiple TRACE_ON elements in the trace
stream if the trace is being limited by address range filtering.
Furthermore, except TRACE_ON element is for discontinuity, NO_SYNC and
EO_TRACE also can be used to indicate discontinuity, though they are
used for different scenarios for which the trace is interrupted.
This patch renames sample type CS_ETM_TRACE_ON to CS_ETM_DISCONTINUITY,
firstly the new name describes more closely the purpose of the packet;
secondly this is a preparation for other output elements which also
cause the trace discontinuity thus they can share the same one packet
type.
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: 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/1544513908-16805-6-git-send-email-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/cs-etm-decoder')
| -rw-r--r-- | tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 10 | ||||
| -rw-r--r-- | tools/perf/util/cs-etm-decoder/cs-etm-decoder.h | 2 |
2 files changed, 6 insertions, 6 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 97b39b1f5759..1039f364f4cc 100644 --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c @@ -390,11 +390,11 @@ cs_etm_decoder__buffer_range(struct cs_etm_decoder *decoder, } static ocsd_datapath_resp_t -cs_etm_decoder__buffer_trace_on(struct cs_etm_decoder *decoder, - const uint8_t trace_chan_id) +cs_etm_decoder__buffer_discontinuity(struct cs_etm_decoder *decoder, + const uint8_t trace_chan_id) { return cs_etm_decoder__buffer_packet(decoder, trace_chan_id, - CS_ETM_TRACE_ON); + CS_ETM_DISCONTINUITY); } static ocsd_datapath_resp_t cs_etm_decoder__gen_trace_elem_printer( @@ -412,8 +412,8 @@ static ocsd_datapath_resp_t cs_etm_decoder__gen_trace_elem_printer( case OCSD_GEN_TRC_ELEM_NO_SYNC: break; case OCSD_GEN_TRC_ELEM_TRACE_ON: - resp = cs_etm_decoder__buffer_trace_on(decoder, - trace_chan_id); + resp = cs_etm_decoder__buffer_discontinuity(decoder, + trace_chan_id); break; case OCSD_GEN_TRC_ELEM_INSTR_RANGE: resp = cs_etm_decoder__buffer_range(decoder, elem, diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h index 3819a04a2c27..a27231722e27 100644 --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h @@ -25,7 +25,7 @@ struct cs_etm_buffer { enum cs_etm_sample_type { CS_ETM_EMPTY, CS_ETM_RANGE, - CS_ETM_TRACE_ON, + CS_ETM_DISCONTINUITY, }; enum cs_etm_isa { |