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[68.147.8.254]) by smtp.gmail.com with ESMTPSA id k24sm28483745pfj.13.2019.01.23.13.23.36 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 23 Jan 2019 13:23:37 -0800 (PST) Date: Wed, 23 Jan 2019 14:23:34 -0700 From: Mathieu Poirier To: Leo Yan Cc: Arnaldo Carvalho de Melo , Suzuki K Poulose , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Mike Leach , Robert Walker , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Coresight ML Subject: Re: [PATCH v6 6/8] perf cs-etm: Add traceID in packet Message-ID: <20190123212334.GF620@xps15> References: <20190119014347.27441-1-leo.yan@linaro.org> <20190119014347.27441-7-leo.yan@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190119014347.27441-7-leo.yan@linaro.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jan 19, 2019 at 09:43:45AM +0800, Leo Yan wrote: > Add traceID in packet, thus we can use traceID to retrieve metadata > pointer from traceID-metadata tuple. > > Signed-off-by: Leo Yan > --- > tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 2 ++ > tools/perf/util/cs-etm-decoder/cs-etm-decoder.h | 1 + > 2 files changed, 3 insertions(+) > > 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 cdd38ffd10d2..ba4c623cd8de 100644 > --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c > +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c > @@ -295,6 +295,7 @@ static void cs_etm_decoder__clear_buffer(struct cs_etm_decoder *decoder) > decoder->packet_buffer[i].last_instr_cond = 0; > decoder->packet_buffer[i].flags = 0; > decoder->packet_buffer[i].exception_number = UINT32_MAX; > + decoder->packet_buffer[i].trace_chan_id = UINT8_MAX; > decoder->packet_buffer[i].cpu = INT_MIN; > } > } > @@ -331,6 +332,7 @@ cs_etm_decoder__buffer_packet(struct cs_etm_decoder *decoder, > decoder->packet_buffer[et].last_instr_cond = 0; > decoder->packet_buffer[et].flags = 0; > decoder->packet_buffer[et].exception_number = UINT32_MAX; > + decoder->packet_buffer[et].trace_chan_id = trace_chan_id; > > if (decoder->packet_count == MAX_BUFFER - 1) > return OCSD_RESP_WAIT; > 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 012b4728a46f..7e6a8850be4a 100644 > --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h > +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h > @@ -50,6 +50,7 @@ struct cs_etm_packet { > u8 last_instr_cond; > u8 last_instr_taken_branch; > u8 last_instr_size; > + u8 trace_chan_id; > int cpu; Reviewed-by: Mathieu Poirier > }; > > -- > 2.17.1 >