From: Leo Yan <leo.yan@linaro.org>
To: James Clark <james.clark@arm.com>
Cc: acme@kernel.org, mathieu.poirier@linaro.org,
coresight@lists.linaro.org, al.grant@arm.com,
suzuki.poulose@arm.com, anshuman.khandual@arm.com,
mike.leach@linaro.org, John Garry <john.garry@huawei.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Subject: Re: [PATCH 6/6] perf cs-etm: Print the decoder name
Date: Sat, 31 Jul 2021 15:30:37 +0800 [thread overview]
Message-ID: <20210731073037.GF7437@leoy-ThinkPad-X240s> (raw)
In-Reply-To: <20210721090706.21523-7-james.clark@arm.com>
On Wed, Jul 21, 2021 at 10:07:05AM +0100, James Clark wrote:
> 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.
>
> Signed-off-by: James Clark <james.clark@arm.com>
> ---
> 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 37bc9d6a7677..177c08f5be8d 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
> @@ -614,7 +615,6 @@ 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;
> @@ -625,19 +625,19 @@ 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:
> @@ -646,7 +646,7 @@ 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;
> @@ -658,7 +658,7 @@ 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;
> @@ -790,3 +790,8 @@ 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;
> +}
Maybe can consider to place this function into the header file with
"static inline" specifier.
Either way, this patch looks good to me:
Reviewed-by: Leo Yan <leo.yan@linaro.org>
> 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 9137796fe3c5..fbd6786baf99 100644
> --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h
> +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h
> @@ -99,5 +99,6 @@ 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 870073bce670..bb7957afd9cb 100644
> --- a/tools/perf/util/cs-etm.c
> +++ b/tools/perf/util/cs-etm.c
> @@ -564,8 +564,8 @@ 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;
> --
> 2.28.0
>
next prev parent reply other threads:[~2021-07-31 7:30 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 9:06 [PATCH 0/6] Support ETE decoding James Clark
2021-07-21 9:07 ` [PATCH 1/6] perf cs-etm: Refactor initialisation of decoder params James Clark
2021-07-31 5:48 ` Leo Yan
2021-07-21 9:07 ` [PATCH 2/6] perf cs-etm: Initialise architecture based on TRCIDR1 James Clark
2021-07-22 11:10 ` Mike Leach
2021-07-31 6:03 ` Leo Yan
2021-08-02 14:04 ` Mike Leach
2021-08-02 15:03 ` Leo Yan
2021-08-02 15:43 ` Mike Leach
2021-07-21 9:07 ` [PATCH 3/6] perf cs-etm: Save TRCDEVARCH register James Clark
2021-07-21 9:48 ` Mike Leach
2021-07-23 12:09 ` James Clark
2021-07-31 6:37 ` Leo Yan
2021-08-03 12:33 ` James Clark
2021-08-03 12:34 ` James Clark
2021-08-05 9:40 ` Leo Yan
2021-08-03 12:36 ` James Clark
2021-07-31 7:43 ` Leo Yan
2021-08-02 11:21 ` Mike Leach
2021-08-02 12:05 ` Leo Yan
2021-08-02 12:48 ` Mike Leach
2021-08-03 12:29 ` James Clark
2021-07-21 9:07 ` [PATCH 4/6] perf cs-etm: Update OpenCSD decoder for ETE James Clark
2021-07-31 6:50 ` Leo Yan
2021-07-21 9:07 ` [PATCH 5/6] perf cs-etm: Create ETE decoder James Clark
2021-07-31 7:23 ` Leo Yan
2021-08-03 13:09 ` James Clark
2021-08-05 10:59 ` Leo Yan
2021-07-21 9:07 ` [PATCH 6/6] perf cs-etm: Print the decoder name James Clark
2021-07-31 7:30 ` Leo Yan [this message]
2021-08-06 9:43 ` James Clark
2021-08-06 11:52 ` Leo Yan
2021-07-21 14:59 ` [PATCH 0/6] Support ETE decoding Mathieu Poirier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210731073037.GF7437@leoy-ThinkPad-X240s \
--to=leo.yan@linaro.org \
--cc=acme@kernel.org \
--cc=al.grant@arm.com \
--cc=alexander.shishkin@linux.intel.com \
--cc=anshuman.khandual@arm.com \
--cc=coresight@lists.linaro.org \
--cc=james.clark@arm.com \
--cc=john.garry@huawei.com \
--cc=jolsa@redhat.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mathieu.poirier@linaro.org \
--cc=mike.leach@linaro.org \
--cc=namhyung@kernel.org \
--cc=suzuki.poulose@arm.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).