On 2017-02-27 16:40, Henning Schild wrote:
> Signed-off-by: Henning Schild <[email protected]>
>
> diff --git a/Documentation/gcov.txt b/Documentation/gcov.txt
> new file mode 100644
> --- /dev/null
> +++ b/Documentation/gcov.txt
> @@ -0,0 +1,18 @@
> +$ cd $SRC
> +
> +$ make CONFIG_JAILHOUSE_GCOV=y clean
> +$ make CONFIG_JAILHOUSE_GCOV=y
> +# make CONFIG_JAILHOUSE_GCOV=y install
$ instead of #, also below.
I suppose, the CONFIG_JAILHOUSE_GCOV could also go to
jailhouse/config.h, no? If not, can we make that work as well? Depending
on when Andreas sends a new version of his CONFIG description patch,
that should be updated as well.
> +
> +$ find -iname *.gcda -exec rm -f {} +
> +
> +# modprobe jailhouse
> +# jailhouse enable configs/this.cell
> +# jailhouse ...
> +# jailhouse disable
> +# cp /sys/devices/jailhouse/jailhouse.bin /tmp/
> +$ jailhouse-gcov-extract /tmp/jailhouse.bin
Why copying first? Can "jailhouse gcov extract" work against the local
sysfs path by default?
> +
> +$ lcov -o /tmp/coverage.info --capture -d .
> +$ genhtml /tmp/coverage.info --output-directory /tmp/coverage/
> +$ firefox /tmp/coverage/index.html
>
Jan
--
Siemens AG, Corporate Technology, CT RDA ITP SES-DE
Corporate Competence Center Embedded Linux
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