구차니의 잡동사니 모음

$ glxgears
libGL error: MESA-LOADER: malformed or no PCI ID
libGL error: dlopen /usr/lib/arm-linux-gnueabihf/dri/exynos_dri.so failed (/usr/lib/arm-linux-gnueabihf/dri/exynos_dri.so: cannot open shared object file: No such file or directory)
libGL error: dlopen ${ORIGIN}/dri/exynos_dri.so failed (${ORIGIN}/dri/exynos_dri.so: cannot open shared object file: No such file or directory)
libGL error: dlopen /usr/lib/dri/exynos_dri.so failed (/usr/lib/dri/exynos_dri.so: cannot open shared object file: No such file or directory)
libGL error: unable to load driver: exynos_dri.so
libGL error: driver pointer missing
libGL error: failed to load driver: exynos
729 frames in 5.0 seconds = 145.617 FPS

 raspberry pi

 odroid 

 48MB/s

 Operations performed:  480 Read, 320 Write, 940 Other = 1740 Total

Read 7.5Mb  Written 5Mb  Total transferred 12.5Mb  (42.52Kb/sec)

    2.66 Requests/sec executed

Test execution summary:

    total time:                          301.0322s

    total number of events:              800

    total time taken by event execution: 7.0629

    per-request statistics:

         min:                                  0.03ms

         avg:                                  8.83ms

         max:                               1856.83ms

         approx.  95 percentile:               2.49ms

Threads fairness:

    events (avg/stddev):           800.0000/0.00

    execution time (avg/stddev):   7.0629/0.00  

 Operations performed:  420 Read, 280 Write, 879 Other = 1579 Total

Read 6.5625Mb  Written 4.375Mb  Total transferred 10.938Mb  (37.305Kb/sec)

    2.33 Requests/sec executed

Test execution summary:

    total time:                          300.2241s

    total number of events:              700

    total time taken by event execution: 6.8257

    per-request statistics:

         min:                                  0.02ms

         avg:                                  9.75ms

         max:                               2365.06ms

         approx.  95 percentile:               0.04ms

Threads fairness:

    events (avg/stddev):           700.0000/0.00

    execution time (avg/stddev):   6.8257/0.00 

 80MB/s

 Operations performed:  1320 Read, 880 Write, 2730 Other = 4930 Total

Read 20.625Mb  Written 13.75Mb  Total transferred 34.375Mb  (117.19Kb/sec)

    7.32 Requests/sec executed

Test execution summary:

    total time:                          300.3619s

    total number of events:              2200

    total time taken by event execution: 1.0915

    per-request statistics:

         min:                                  0.04ms

         avg:                                  0.50ms

         max:                                  4.20ms

         approx.  95 percentile:               1.93ms

Threads fairness:

    events (avg/stddev):           2200.0000/0.00

    execution time (avg/stddev):   1.0915/0.00

 Operations performed:  1320 Read, 880 Write, 2732 Other = 4932 Total

Read 20.625Mb  Written 13.75Mb  Total transferred 34.375Mb  (117.23Kb/sec)

    7.33 Requests/sec executed

Test execution summary:

    total time:                          300.2601s

    total number of events:              2200

    total time taken by event execution: 1.2338

    per-request statistics:

         min:                                  0.02ms

         avg:                                  0.56ms

         max:                                426.44ms

         approx.  95 percentile:               0.04ms

Threads fairness:

    events (avg/stddev):           2200.0000/0.00

    execution time (avg/stddev):   1.2338/0.00

$ sysbench --test=fileio --file-total-size=1G --file-test-mode=rndrw --init-rng=on --max-time=300 --max-requests=0 run

sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:

Number of threads: 1

Initializing random number generator from timer.

Extra file open flags: 0

128 files, 8Mb each

1Gb total file size

Block size 16Kb

Number of random requests for random IO: 0

Read/Write ratio for combined random IO test: 1.50

Periodic FSYNC enabled, calling fsync() each 100 requests.

Calling fsync() at the end of test, Enabled.

Using synchronous I/O mode

Doing random r/w test

Threads started!

Time limit exceeded, exiting...

Done.

Operations performed:  420 Read, 280 Write, 879 Other = 1579 Total

Read 6.5625Mb  Written 4.375Mb  Total transferred 10.938Mb  (37.305Kb/sec)

    2.33 Requests/sec executed

Test execution summary:

    total time:                          300.2241s

    total number of events:              700

    total time taken by event execution: 6.8257

    per-request statistics:

         min:                                  0.02ms

         avg:                                  9.75ms

         max:                               2365.06ms

         approx.  95 percentile:               0.04ms

Threads fairness:

    events (avg/stddev):           700.0000/0.00

    execution time (avg/stddev):   6.8257/0.00 

$ sysbench --test=fileio --file-total-size=1G --file-test-mode=rndrw --init-rng=on --max-time=300 --max-requests=0 run

sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:

Number of threads: 1

Initializing random number generator from timer.

Extra file open flags: 0

128 files, 8Mb each

1Gb total file size

Block size 16Kb

Number of random requests for random IO: 0

Read/Write ratio for combined random IO test: 1.50

Periodic FSYNC enabled, calling fsync() each 100 requests.

Calling fsync() at the end of test, Enabled.

Using synchronous I/O mode

Doing random r/w test

Threads started!

Time limit exceeded, exiting...

Done.

Operations performed:  360 Read, 240 Write, 712 Other = 1312 Total

Read 5.625Mb  Written 3.75Mb  Total transferred 9.375Mb  (30.176Kb/sec)

    1.89 Requests/sec executed

Test execution summary:

    total time:                          318.1355s

    total number of events:              600

    total time taken by event execution: 14.9020

    per-request statistics:

         min:                                  0.02ms

         avg:                                 24.84ms

         max:                               4322.77ms

         approx.  95 percentile:               0.04ms

Threads fairness:

    events (avg/stddev):           600.0000/0.00

    execution time (avg/stddev):   14.9020/0.00 

$ sysbench --test=fileio --file-total-size=1G --file-test-mode=rndrw --init-rng=on --max-time=300 --max-requests=0 run

sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:

Number of threads: 1

Initializing random number generator from timer.

Extra file open flags: 0

128 files, 8Mb each

1Gb total file size

Block size 16Kb

Number of random requests for random IO: 0

Read/Write ratio for combined random IO test: 1.50

Periodic FSYNC enabled, calling fsync() each 100 requests.

Calling fsync() at the end of test, Enabled.

Using synchronous I/O mode

Doing random r/w test

Threads started!

Time limit exceeded, exiting...

Done.

Operations performed:  480 Read, 320 Write, 940 Other = 1740 Total

Read 7.5Mb  Written 5Mb  Total transferred 12.5Mb  (42.52Kb/sec)

    2.66 Requests/sec executed

Test execution summary:

    total time:                          301.0322s

    total number of events:              800

    total time taken by event execution: 7.0629

    per-request statistics:

         min:                                  0.03ms

         avg:                                  8.83ms

         max:                               1856.83ms

         approx.  95 percentile:               2.49ms

Threads fairness:

    events (avg/stddev):           800.0000/0.00

    execution time (avg/stddev):   7.0629/0.00  

$ sysbench --test=fileio --file-total-size=1G --file-test-mode=rndrw --init-rng=on --max-time=300 --max-requests=0 run

sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:

Number of threads: 1

Initializing random number generator from timer.

Extra file open flags: 0

128 files, 8Mb each

1Gb total file size

Block size 16Kb

Number of random requests for random IO: 0

Read/Write ratio for combined random IO test: 1.50

Periodic FSYNC enabled, calling fsync() each 100 requests.

Calling fsync() at the end of test, Enabled.

Using synchronous I/O mode

Doing random r/w test

Threads started!

Time limit exceeded, exiting...

Done.

Operations performed:  1320 Read, 880 Write, 2732 Other = 4932 Total

Read 20.625Mb  Written 13.75Mb  Total transferred 34.375Mb  (117.23Kb/sec)

    7.33 Requests/sec executed

Test execution summary:

    total time:                          300.2601s

    total number of events:              2200

    total time taken by event execution: 1.2338

    per-request statistics:

         min:                                  0.02ms

         avg:                                  0.56ms

         max:                                426.44ms

         approx.  95 percentile:               0.04ms

Threads fairness:

    events (avg/stddev):           2200.0000/0.00

    execution time (avg/stddev):   1.2338/0.00 

$ sysbench --help

Usage:

  sysbench [general-options]... --test=<test-name> [test-options]... command

General options:

  --num-threads=N            number of threads to use [1]

  --max-requests=N           limit for total number of requests [10000]

  --max-time=N               limit for total execution time in seconds [0]

  --forced-shutdown=STRING   amount of time to wait after --max-time before forcing shutdown [off]

  --thread-stack-size=SIZE   size of stack per thread [32K]

  --init-rng=[on|off]        initialize random number generator [off]

  --test=STRING              test to run

  --debug=[on|off]           print more debugging info [off]

  --validate=[on|off]        perform validation checks where possible [off]

  --help=[on|off]            print help and exit

  --version=[on|off]         print version and exit

Compiled-in tests:

  fileio - File I/O test

  cpu - CPU performance test

  memory - Memory functions speed test

  threads - Threads subsystem performance test

  mutex - Mutex performance test

  oltp - OLTP test

Commands: prepare run cleanup help version

See 'sysbench --test=<name> help' for a list of options for each test. 

$ sysbench --test=fileio --file-total-size=1G prepare

sysbench 0.4.12:  multi-threaded system evaluation benchmark

128 files, 8192Kb each, 1024Mb total

Creating files for the test...