From 56c62f52b6f25802a2154243b6dacdc6ff4f75bd Mon Sep 17 00:00:00 2001 From: James Clark Date: Fri, 6 Aug 2021 14:41:08 +0100 Subject: [PATCH] perf cs-etm: Print the decoder name Use the real name of the decoder instead of hard-coding "ETM" to avoid confusion when the trace is ETE. This also now distinguishes between ETMv3 and ETMv4. Reviewed-by: Leo Yan Reviewed-by: Suzuki Poulouse Signed-off-by: James Clark Cc: Alexander Shishkin Cc: Jiri Olsa Cc: John Garry Cc: Mark Rutland Cc: Mathieu Poirier Cc: Mike Leach Cc: Namhyung Kim Cc: Will Deacon Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https //lore.kernel.org/r/20210806134109.1182235-9-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 17 +++++++++++------ tools/perf/util/cs-etm-decoder/cs-etm-decoder.h | 1 + tools/perf/util/cs-etm.c | 4 ++-- 3 files changed, 14 insertions(+), 8 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 e2a7eca7ee90..31fa3b45134a 100644 --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c @@ -37,6 +37,7 @@ struct cs_etm_decoder { dcd_tree_handle_t dcd_tree; cs_etm_mem_cb_type mem_access; ocsd_datapath_resp_t prev_return; + const char *decoder_name; }; static u32 @@ -615,7 +616,6 @@ cs_etm_decoder__create_etm_decoder(struct cs_etm_decoder_params *d_params, struct cs_etm_trace_params *t_params, struct cs_etm_decoder *decoder) { - const char *decoder_name; ocsd_etmv3_cfg config_etmv3; ocsd_etmv4_cfg trace_config_etmv4; ocsd_ete_cfg trace_config_ete; @@ -626,19 +626,19 @@ cs_etm_decoder__create_etm_decoder(struct cs_etm_decoder_params *d_params, case CS_ETM_PROTO_ETMV3: case CS_ETM_PROTO_PTM: cs_etm_decoder__gen_etmv3_config(t_params, &config_etmv3); - decoder_name = (t_params->protocol == CS_ETM_PROTO_ETMV3) ? + decoder->decoder_name = (t_params->protocol == CS_ETM_PROTO_ETMV3) ? OCSD_BUILTIN_DCD_ETMV3 : OCSD_BUILTIN_DCD_PTM; trace_config = &config_etmv3; break; case CS_ETM_PROTO_ETMV4i: cs_etm_decoder__gen_etmv4_config(t_params, &trace_config_etmv4); - decoder_name = OCSD_BUILTIN_DCD_ETMV4I; + decoder->decoder_name = OCSD_BUILTIN_DCD_ETMV4I; trace_config = &trace_config_etmv4; break; case CS_ETM_PROTO_ETE: cs_etm_decoder__gen_ete_config(t_params, &trace_config_ete); - decoder_name = OCSD_BUILTIN_DCD_ETE; + decoder->decoder_name = OCSD_BUILTIN_DCD_ETE; trace_config = &trace_config_ete; break; default: @@ -647,7 +647,7 @@ cs_etm_decoder__create_etm_decoder(struct cs_etm_decoder_params *d_params, if (d_params->operation == CS_ETM_OPERATION_DECODE) { if (ocsd_dt_create_decoder(decoder->dcd_tree, - decoder_name, + decoder->decoder_name, OCSD_CREATE_FLG_FULL_DECODER, trace_config, &csid)) return -1; @@ -659,7 +659,7 @@ cs_etm_decoder__create_etm_decoder(struct cs_etm_decoder_params *d_params, return 0; } else if (d_params->operation == CS_ETM_OPERATION_PRINT) { - if (ocsd_dt_create_decoder(decoder->dcd_tree, decoder_name, + if (ocsd_dt_create_decoder(decoder->dcd_tree, decoder->decoder_name, OCSD_CREATE_FLG_PACKET_PROC, trace_config, &csid)) return -1; @@ -791,3 +791,8 @@ void cs_etm_decoder__free(struct cs_etm_decoder *decoder) decoder->dcd_tree = NULL; free(decoder); } + +const char *cs_etm_decoder__get_name(struct cs_etm_decoder *decoder) +{ + return decoder->decoder_name; +} 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 0102ece5ca3e..92a855fbe5b8 100644 --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h @@ -104,5 +104,6 @@ int cs_etm_decoder__get_packet(struct cs_etm_packet_queue *packet_queue, struct cs_etm_packet *packet); int cs_etm_decoder__reset(struct cs_etm_decoder *decoder); +const char *cs_etm_decoder__get_name(struct cs_etm_decoder *decoder); #endif /* INCLUDE__CS_ETM_DECODER_H__ */ diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 3b9c283e3992..5b19b381688b 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -537,8 +537,8 @@ static void cs_etm__dump_event(struct cs_etm_queue *etmq, fprintf(stdout, "\n"); color_fprintf(stdout, color, - ". ... CoreSight ETM Trace data: size %zu bytes\n", - buffer->size); + ". ... CoreSight %s Trace data: size %zu bytes\n", + cs_etm_decoder__get_name(etmq->decoder), buffer->size); do { size_t consumed; -- 2.20.1