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This refactoring has some benefits: * Decoding is done to find the timestamp. If we want to print errors when maps aren't available, then doing it from cs_etm__setup_queue() may cause warnings to be printed. * The cs_etm__setup_queue() flow is shared between timed and timeless modes, so it needs to be guarded by an if statement which can now be removed. * Allows moving the setup queues function earlier. * If data was piped in, then not all queues would be filled so it wouldn't have worked properly anyway. Now it waits for flush so data in all queues will be available. The motivation for this is to decouple setup functions with ones that involve decoding. That way we can move the setup function earlier when the formatted/unformatted trace information is available. Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: James Clark <james.clark@arm.com> Cc: Al Grant <al.grant@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: John Garry <john.garry@huawei.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https //lore.kernel.org/r/20210721150202.32065-3-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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