leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

perf cs-etm: Use traceID aware memory callback API

Browse Source 
When working with CPU-wide traces different traceID may be found in the
same stream.  As such we need to use the decoder callback that provides
the traceID in order to know the thread context being decoded.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190524173508.29044-14-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Mathieu Poirier
2019-05-24 11:35:04 -06:00
committed by Arnaldo Carvalho de Melo
parent 0abb868bbc
commit af21577c05
3 changed files with 36 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
View File

@@ -41,15 +41,14 @@ static u32
cs_etm_decoder__mem_access(const void *context,
const ocsd_vaddr_t address,
const ocsd_mem_space_acc_t mem_space __maybe_unused,
const u8 trace_chan_id,
const u32 req_size,
u8 *buffer)
{
struct cs_etm_decoder *decoder = (struct cs_etm_decoder *) context;
return decoder->mem_access(decoder->data,
address,
req_size,
buffer);
return decoder->mem_access(decoder->data, trace_chan_id,
address, req_size, buffer);
}
int cs_etm_decoder__add_mem_access_cb(struct cs_etm_decoder *decoder,
@@ -58,9 +57,10 @@ int cs_etm_decoder__add_mem_access_cb(struct cs_etm_decoder *decoder,
{
decoder->mem_access = cb_func;
if (ocsd_dt_add_callback_mem_acc(decoder->dcd_tree, start, end,
OCSD_MEM_SPACE_ANY,
cs_etm_decoder__mem_access, decoder))
if (ocsd_dt_add_callback_trcid_mem_acc(decoder->dcd_tree, start, end,
OCSD_MEM_SPACE_ANY,
cs_etm_decoder__mem_access,
decoder))
return -1;
return 0;