Thread (3 messages) flat view 3 messages, 3 authors, 2015-07-13
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[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
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