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| author | Frank Li <Frank.Li@freescale.com> | 2015-06-30 22:58:11 +0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2015-08-11 23:15:12 +0800 |
| commit | 3adab7c796f60338f9c1c7bdbc7f24eaf39acf96 (patch) | |
| tree | e1de18f666cd7aac1f8af978321e0bd6fe2f9778 /arch/arm/boot/dts/ls1021a.dtsi | |
| parent | 7804fbcfe5156ff7eb802c2c71f0dca74d4f7f34 (diff) | |
ARM: dts: imx7d: add cortex-a7 coresight component
Added etm, etb, funnel and replicator
usage example:
echo 1 >/sys/bus/coresight/devices/30086000.etr/enable_sink
echo 1 >/sys/bus/coresight/devices/3007c000.etm/enable_source
coresight-tmc 30086000.etr: TMC enabled
coresight-replicator replicator.1: REPLICATOR enabled
coresight-tmc 30084000.tmc: TMC enabled
coresight-funnel 30083000.funnel: FUNNEL inport 0 enabled
coresight-funnel 30041000.funnel: FUNNEL inport 0 enabled
coresight-etm3x 3007c000.etm: ETM tracing enabled
etm enable here.
trace data save at /dev/30086000.etr
cat /dev/30086000.etr > trace.data
coresight-tmc 30086000.etr: TMC read start
coresight-tmc 30086000.etr: TMC read end
use ptm2human(https://github.com/hwangcc23/ptm2human) to show trace data
ptm2human -i trace.data
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/ls1021a.dtsi')
0 files changed, 0 insertions, 0 deletions