On 8 March 2011 02:37, Jim Huang <jim.hu...@linaro.org> wrote:
> I just updated wiki page about Google's compiler benchmark suite:
> https://wiki.linaro.org/Platform/Android/UpstreamToolchain
> Please check the section, "Evaluate Benchmark suite".
> Through adb[1], it is highly convenient to bench generated binary
> files on Android device:
[...]
> time adb shell 'cd /data/local/perflab; echo
> Android_TIME_STAMP_$(timestamp); /data/local/perflab/skia_bench
> -repeat 15; echo Android_TIME_STAMP_$(timestamp)'
>
> 0.00user 0.00system 4:33.25elapsed 0%CPU (0avgtext+0avgdata 4208maxresident)k
> 0inputs+0outputs (0major+325minor)pagefaults 0swaps
> timestamp: not found
[...]
> The function "timestamp" is broken at the moment, and I am still
> looking for the details.
Here "timestamp" is an Android command line tool which reports the
current time in seconds.
You can get it from scripts/timestamp/src/timestamp.c
http://android.git.kernel.org/?p=toolchain/benchmark.git;a=blob;f=scripts/timestamp/src/timestamp.c;hb=HEAD
To build the tool, enter the timestamp directory and type
../bench.py --action=build --toolchain=<Android toolchain path>
adb push out/timestamp to /system/bin on Android device.
Then you are able to call timestamp to report time stamp in seconds.
Sincerely,
-jserv
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