timed ffmpeg

root@tegra-ubuntu:~/ffmpeg# ./benchmark.sh | awk '{ print strftime("%Y-%m-%d %H:%M:%S"), $0; fflush(); }'
2017-07-12 14:54:31 preparing input data set
2017-07-12 14:54:32 ............................................................
2017-07-12 14:54:33 ffmpeg version 2.8.11-0ubuntu0.16.04.1 Copyright (c) 2000-2017 the FFmpeg developers
2017-07-12 14:54:33   built with gcc 5.4.0 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) 20160609
2017-07-12 14:54:33   configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/aarch64-linux-gnu --incdir=/usr/include/aarch64-linux-gnu --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 --enable-libopencv
2017-07-12 14:54:33   libavutil      54. 31.100 / 54. 31.100
2017-07-12 14:54:33   libavcodec     56. 60.100 / 56. 60.100
2017-07-12 14:54:33   libavformat    56. 40.101 / 56. 40.101
2017-07-12 14:54:33   libavdevice    56.  4.100 / 56.  4.100
2017-07-12 14:54:33   libavfilter     5. 40.101 /  5. 40.101
2017-07-12 14:54:33   libavresample   2.  1.  0 /  2.  1.  0
2017-07-12 14:54:33   libswscale      3.  1.101 /  3.  1.101
2017-07-12 14:54:33   libswresample   1.  2.101 /  1.  2.101
2017-07-12 14:54:33   libpostproc    53.  3.100 / 53.  3.100
2017-07-12 14:54:33 [image2 @ 0x4c28b0] Format image2 detected only with low score of 5, misdetection possible!
2017-07-12 14:54:34 Input #0, image2, from '/dev/shm/yuv422.raw':
2017-07-12 14:54:34   Duration: 00:00:01.00, start: 0.000000, bitrate: N/A
2017-07-12 14:54:34     Stream #0:0: Video: v210, yuv422p10le, 4096x2160, 1 tbr, 1 tbn, 1 tbc
2017-07-12 14:54:34 Output #0, mov, to '/dev/shm/prores.mov':
2017-07-12 14:54:34   Metadata:
2017-07-12 14:54:34     encoder         : Lavf56.40.101
2017-07-12 14:54:34     Stream #0:0: Video: prores (apcn) (apcn / 0x6E637061), yuv422p10le(bt709), 4096x2160, q=2-31, 200 kb/s, 60 fps, 15360 tbn, 60 tbc
2017-07-12 14:54:34     Metadata:
2017-07-12 14:54:34       encoder         : Lavc56.60.100 prores
2017-07-12 14:54:34 Stream mapping:
2017-07-12 14:54:34   Stream #0:0 -> #0:0 (v210 (native) -> prores (native))
2017-07-12 14:54:34 Press [q] to stop, [?] for help
frame=   60 fps= 11 q=-0.0 Lsize=  225986kB time=00:00:01.00 bitrate=1851280.3kbits/s dup=59 drop=0    s dup=59 drop=0
2017-07-12 14:54:39 video:225985kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000416%
2017-07-12 14:54:39 bench: utime=29.784s
2017-07-12 14:54:39 bench: maxrss=1467200kB

real    0m6.893s
user    0m29.936s
sys     0m1.992s
2017-07-12 14:54:39 input data was 60 frames @ 60 fps:
2017-07-12 14:54:39 1.5G        /dev/shm/yuv422.raw
2017-07-12 14:54:39 output data is:
2017-07-12 14:54:39 232M        /dev/shm/prores.mov