[PATCH v3 1/1] ARM: dts: imx7d: add cortex-a7 coresight component
From: shawnguo@kernel.org (Shawn Guo)
Date: 2015-07-13 14:07:44
On Tue, Jun 30, 2015 at 10:58:11PM +0800, Frank.Li at freescale.com wrote:
From: Frank Li <redacted>
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 <redacted>Mathieu gave his ACK on your v2 of the patch. You should add his ACK on v3. Applied with Mathieu's ACK added. Shawn