Iozone: Performance Test of File I/O
Version $Revision: 3.457 $
Compiled for 64 bit mode.
Build: freebsd
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
Vangel Bojaxhi, Ben England, Vikentsi Lapa,
Alexey Skidanov.
Run began: Fri Jan 5 19:04:32 2018
Machine = FreeBSD rebirth.ro 11.1-RELEASE FreeBSD 11.1-RELEASE #0 r3213 Include fsync in write timing
Include fsync in write timing
CPU utilization Resolution = 0.000 seconds.
CPU utilization Excel chart enabled
Record Size 128 kB
File size set to 40960 kB
Percent read in mix test is 70
Command line used: iozone -M -e -+u -T -t 32 -r 128k -s 40960 -i 0 -i 1 -i 2 -i 8 -+p 70 -C
Output is in kBytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 kBytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
Throughput test with 32 threads
Each thread writes a 40960 kByte file in 128 kByte records
Children see throughput for 32 initial writers = 4917578.14 kB/sec
Parent sees throughput for 32 initial writers = 1252590.23 kB/sec
Min throughput per thread = 0.00 kB/sec
Max throughput per thread = 929954.50 kB/sec
Avg throughput per thread = 153674.32 kB/sec
Min xfer = 0.00 kB
CPU Utilization: Wall time 0.765 CPU time 21.165 CPU utilization 2767.40 %
Child[0] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.609, cpu= 0.609, %=100.00
Child[1] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.621, cpu= 0.621, %=100.00
Child[2] xfer count = 36480.00 kB, Throughput = 756815.19 kB/sec, wall= 0.739, cpu= 0.739, %=100.00
Child[3] xfer count = 30848.00 kB, Throughput = 638952.75 kB/sec, wall= 0.739, cpu= 0.739, %=100.00
Child[4] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.677, cpu= 0.677, %=100.00
Child[5] xfer count = 1792.00 kB, Throughput = 54339.23 kB/sec, wall= 0.690, cpu= 0.690, %=100.00
Child[6] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.609, cpu= 0.609, %=100.00
Child[7] xfer count = 26496.00 kB, Throughput = 580340.94 kB/sec, wall= 0.762, cpu= 0.762, %=100.00
Child[8] xfer count = 19200.00 kB, Throughput = 397113.81 kB/sec, wall= 0.765, cpu= 0.765, %=100.00
Child[9] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.537, cpu= 0.537, %=100.00
Child[10] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.609, cpu= 0.609, %=100.00
Child[11] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.636, cpu= 0.636, %=100.00
Child[12] xfer count = 26496.00 kB, Throughput = 549390.62 kB/sec, wall= 0.739, cpu= 0.739, %=100.00
Child[13] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.677, cpu= 0.677, %=100.00
Child[14] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.669, cpu= 0.669, %=100.00
Child[15] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.765, cpu= 0.765, %=100.00
Child[16] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.609, cpu= 0.609, %=100.00
Child[17] xfer count = 25728.00 kB, Throughput = 533434.62 kB/sec, wall= 0.739, cpu= 0.739, %=100.00
Child[18] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.663, cpu= 0.663, %=100.00
Child[19] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.677, cpu= 0.677, %=100.00
Child[20] xfer count = 40960.00 kB, Throughput = 929954.50 kB/sec, wall= 0.144, cpu= 0.144, %=100.00
Child[21] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.637, cpu= 0.637, %=100.00
Child[22] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.677, cpu= 0.677, %=100.00
Child[23] xfer count = 34816.00 kB, Throughput = 299587.72 kB/sec, wall= 0.764, cpu= 0.764, %=100.00
Child[24] xfer count = 8064.00 kB, Throughput = 177648.75 kB/sec, wall= 0.739, cpu= 0.739, %=100.00
Child[25] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.637, cpu= 0.637, %=100.00
Child[26] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.677, cpu= 0.677, %=100.00
Child[27] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.637, cpu= 0.637, %=100.00
Child[28] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.609, cpu= 0.609, %=100.00
Child[29] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.739, cpu= 0.739, %=100.00
Child[30] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.765, cpu= 0.765, %=100.00
Child[31] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.609, cpu= 0.609, %=100.00
Children see throughput for 32 rewriters = 7812517.98 kB/sec
Parent sees throughput for 32 rewriters = 6817823.95 kB/sec
Min throughput per thread = 61866.09 kB/sec
Max throughput per thread = 734327.38 kB/sec
Avg throughput per thread = 244141.19 kB/sec
Min xfer = 8448.00 kB
CPU utilization: Wall time 0.361 CPU time 10.652 CPU utilization 2953.62 %
Child[0] xfer count = 40960.00 kB, Throughput = 300119.22 kB/sec, wall= 0.356, cpu= 0.356, %=100.00
Child[1] xfer count = 40960.00 kB, Throughput = 317760.41 kB/sec, wall= 0.326, cpu= 0.326, %=100.00
Child[2] xfer count = 35712.00 kB, Throughput = 247393.36 kB/sec, wall= 0.360, cpu= 0.360, %=100.00
Child[3] xfer count = 25472.00 kB, Throughput = 187202.08 kB/sec, wall= 0.328, cpu= 0.328, %=100.00
Child[4] xfer count = 18048.00 kB, Throughput = 132722.53 kB/sec, wall= 0.328, cpu= 0.328, %=100.00
Child[5] xfer count = 18304.00 kB, Throughput = 135004.19 kB/sec, wall= 0.327, cpu= 0.327, %=100.00
Child[6] xfer count = 8448.00 kB, Throughput = 61866.09 kB/sec, wall= 0.329, cpu= 0.329, %=100.00
Child[7] xfer count = 35840.00 kB, Throughput = 253014.31 kB/sec, wall= 0.355, cpu= 0.355, %=100.00
Child[8] xfer count = 16384.00 kB, Throughput = 121665.77 kB/sec, wall= 0.319, cpu= 0.319, %=100.00
Child[9] xfer count = 40960.00 kB, Throughput = 300134.97 kB/sec, wall= 0.356, cpu= 0.356, %=100.00
Child[10] xfer count = 40960.00 kB, Throughput = 306254.66 kB/sec, wall= 0.351, cpu= 0.351, %=100.00
Child[11] xfer count = 12160.00 kB, Throughput = 90021.33 kB/sec, wall= 0.317, cpu= 0.317, %=100.00
Child[12] xfer count = 40960.00 kB, Throughput = 318220.09 kB/sec, wall= 0.326, cpu= 0.326, %=100.00
Child[13] xfer count = 11776.00 kB, Throughput = 87563.70 kB/sec, wall= 0.318, cpu= 0.318, %=100.00
Child[14] xfer count = 16768.00 kB, Throughput = 124776.66 kB/sec, wall= 0.316, cpu= 0.316, %=100.00
Child[15] xfer count = 40960.00 kB, Throughput = 321830.19 kB/sec, wall= 0.316, cpu= 0.316, %=100.00
Child[16] xfer count = 14720.00 kB, Throughput = 107161.20 kB/sec, wall= 0.338, cpu= 0.338, %=100.00
Child[17] xfer count = 40960.00 kB, Throughput = 315385.06 kB/sec, wall= 0.335, cpu= 0.335, %=100.00
Child[18] xfer count = 40960.00 kB, Throughput = 320713.94 kB/sec, wall= 0.323, cpu= 0.323, %=100.00
Child[19] xfer count = 40960.00 kB, Throughput = 317926.22 kB/sec, wall= 0.325, cpu= 0.325, %=100.00
Child[20] xfer count = 13056.00 kB, Throughput = 95127.73 kB/sec, wall= 0.338, cpu= 0.338, %=100.00
Child[21] xfer count = 40960.00 kB, Throughput = 322187.50 kB/sec, wall= 0.316, cpu= 0.316, %=100.00
Child[22] xfer count = 31232.00 kB, Throughput = 216331.55 kB/sec, wall= 0.360, cpu= 0.360, %=100.00
Child[23] xfer count = 40960.00 kB, Throughput = 300093.00 kB/sec, wall= 0.356, cpu= 0.356, %=100.00
Child[24] xfer count = 33920.00 kB, Throughput = 234914.56 kB/sec, wall= 0.361, cpu= 0.361, %=100.00
Child[25] xfer count = 40960.00 kB, Throughput = 323166.28 kB/sec, wall= 0.314, cpu= 0.314, %=100.00
Child[26] xfer count = 40960.00 kB, Throughput = 734327.38 kB/sec, wall= 0.300, cpu= 0.300, %=100.00
Child[27] xfer count = 27264.00 kB, Throughput = 199320.12 kB/sec, wall= 0.330, cpu= 0.330, %=100.00
Child[28] xfer count = 10752.00 kB, Throughput = 78669.43 kB/sec, wall= 0.329, cpu= 0.329, %=100.00
Child[29] xfer count = 40960.00 kB, Throughput = 318247.22 kB/sec, wall= 0.325, cpu= 0.325, %=100.00
Child[30] xfer count = 40960.00 kB, Throughput = 323242.91 kB/sec, wall= 0.314, cpu= 0.314, %=100.00
Child[31] xfer count = 40960.00 kB, Throughput = 300154.34 kB/sec, wall= 0.356, cpu= 0.356, %=100.00
Children see throughput for 32 readers = 18929148.56 kB/sec
Parent sees throughput for 32 readers = 14711808.70 kB/sec
Min throughput per thread = 0.00 kB/sec
Max throughput per thread = 2275816.75 kB/sec
Avg throughput per thread = 591535.89 kB/sec
Min xfer = 0.00 kB
CPU utilization: Wall time 0.138 CPU time 1.684 CPU utilization 1216.75 %
Child[0] xfer count = 7680.00 kB, Throughput = 448571.16 kB/sec, wall= 0.134, cpu= 0.134, %=100.00
Child[1] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 12.86
Child[2] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[3] xfer count = 4992.00 kB, Throughput = 276183.44 kB/sec, wall= 0.135, cpu= 0.135, %=100.00
Child[4] xfer count = 7168.00 kB, Throughput = 423466.53 kB/sec, wall= 0.133, cpu= 0.133, %=100.00
Child[5] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 14.78
Child[6] xfer count = 40960.00 kB, Throughput = 2275816.75 kB/sec, wall= 0.082, cpu= 0.082, %=100.00
Child[7] xfer count = 8704.00 kB, Throughput = 478163.62 kB/sec, wall= 0.138, cpu= 0.138, %=100.00
Child[8] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.003, cpu= 0.003, %=100.00
Child[9] xfer count = 21888.00 kB, Throughput = 1212701.75 kB/sec, wall= 0.117, cpu= 0.117, %=100.00
Child[10] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 11.04
Child[11] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 6.66
Child[12] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 0.80
Child[13] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 24.20
Child[14] xfer count = 34048.00 kB, Throughput = 1895036.25 kB/sec, wall= 0.086, cpu= 0.086, %=100.00
Child[15] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.017, cpu= 0.017, %=100.00
Child[16] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 37.56
Child[17] xfer count = 8192.00 kB, Throughput = 1949067.75 kB/sec, wall= 0.037, cpu= 0.037, %=100.00
Child[18] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[19] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 6.49
Child[20] xfer count = 35840.00 kB, Throughput = 1987916.25 kB/sec, wall= 0.107, cpu= 0.107, %=100.00
Child[21] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 19.51
Child[22] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 23.47
Child[23] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 10.30
Child[24] xfer count = 32768.00 kB, Throughput = 1809388.00 kB/sec, wall= 0.136, cpu= 0.136, %=100.00
Child[25] xfer count = 2688.00 kB, Throughput = 1599007.25 kB/sec, wall= 0.080, cpu= 0.080, %=100.00
Child[26] xfer count = 6016.00 kB, Throughput = 416854.12 kB/sec, wall= 0.135, cpu= 0.135, %=100.00
Child[27] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.010, cpu= 0.010, %=100.00
Child[28] xfer count = 512.00 kB, Throughput = 1009722.56 kB/sec, wall= 0.012, cpu= 0.012, %=100.00
Child[29] xfer count = 36096.00 kB, Throughput = 1999999.88 kB/sec, wall= 0.135, cpu= 0.135, %=100.00
Child[30] xfer count = 20864.00 kB, Throughput = 1147253.25 kB/sec, wall= 0.138, cpu= 0.138, %=100.00
Child[31] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.048, cpu= 0.048, %=100.00
Children see throughput for 32 re-readers = 23006574.30 kB/sec
Parent sees throughput for 32 re-readers = 14683095.41 kB/sec
Min throughput per thread = 993409.94 kB/sec
Max throughput per thread = 1954772.25 kB/sec
Avg throughput per thread = 718955.45 kB/sec
Min xfer = 9088.00 kB
CPU utilization: Wall time 0.172 CPU time 2.932 CPU utilization 1708.27 %
Child[0] xfer count = 2944.00 kB, Throughput = 190019.97 kB/sec, wall= 0.151, cpu= 0.151, %=100.00
Child[1] xfer count = 7040.00 kB, Throughput = 425610.19 kB/sec, wall= 0.153, cpu= 0.153, %=100.00
Child[2] xfer count = 6656.00 kB, Throughput = 529219.56 kB/sec, wall= 0.125, cpu= 0.125, %=100.00
Child[3] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[4] xfer count = 2816.00 kB, Throughput = 126544.79 kB/sec, wall= 0.168, cpu= 0.168, %=100.00
Child[5] xfer count = 18688.00 kB, Throughput = 837536.00 kB/sec, wall= 0.168, cpu= 0.168, %=100.00
Child[6] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[7] xfer count = 40960.00 kB, Throughput = 1954772.25 kB/sec, wall= 0.146, cpu= 0.146, %=100.00
Child[8] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[9] xfer count = 8576.00 kB, Throughput = 1841158.12 kB/sec, wall= 0.039, cpu= 0.039, %=100.00
Child[10] xfer count = 27264.00 kB, Throughput = 1219643.12 kB/sec, wall= 0.172, cpu= 0.172, %=100.00
Child[11] xfer count = 12288.00 kB, Throughput = 1186460.38 kB/sec, wall= 0.111, cpu= 0.111, %=100.00
Child[12] xfer count = 6144.00 kB, Throughput = 330213.59 kB/sec, wall= 0.147, cpu= 0.147, %=100.00
Child[13] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[14] xfer count = 11264.00 kB, Throughput = 1101278.62 kB/sec, wall= 0.108, cpu= 0.108, %=100.00
Child[15] xfer count = 28160.00 kB, Throughput = 1263687.88 kB/sec, wall= 0.168, cpu= 0.168, %=100.00
Child[16] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[17] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[18] xfer count = 8064.00 kB, Throughput = 1900502.00 kB/sec, wall= 0.050, cpu= 0.050, %=100.00
Child[19] xfer count = 896.00 kB, Throughput = 80741.48 kB/sec, wall= 0.111, cpu= 0.111, %=100.00
Child[20] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[21] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[22] xfer count = 8576.00 kB, Throughput = 385522.72 kB/sec, wall= 0.171, cpu= 0.171, %=100.00
Child[23] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 69.91
Child[24] xfer count = 14592.00 kB, Throughput = 655317.88 kB/sec, wall= 0.168, cpu= 0.168, %=100.00
Child[25] xfer count = 36608.00 kB, Throughput = 1636682.88 kB/sec, wall= 0.172, cpu= 0.172, %=100.00
Child[26] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[27] xfer count = 35456.00 kB, Throughput = 1586971.88 kB/sec, wall= 0.171, cpu= 0.171, %=100.00
Child[28] xfer count = 22144.00 kB, Throughput = 993409.94 kB/sec, wall= 0.168, cpu= 0.168, %=100.00
Child[29] xfer count = 12416.00 kB, Throughput = 1027214.19 kB/sec, wall= 0.121, cpu= 0.121, %=100.00
Child[30] xfer count = 9600.00 kB, Throughput = 1796772.25 kB/sec, wall= 0.087, cpu= 0.087, %=100.00
Child[31] xfer count = 9088.00 kB, Throughput = 1937294.62 kB/sec, wall= 0.055, cpu= 0.055, %=100.00
Children see throughput for 32 random readers = 21595857.18 kB/sec
Parent sees throughput for 32 random readers = 14916658.29 kB/sec
Min throughput per thread = 0.00 kB/sec
Max throughput per thread = 2159862.50 kB/sec
Avg throughput per thread = 674870.54 kB/sec
Min xfer = 0.00 kB
CPU utilization: Wall time 0.150 CPU time 2.197 CPU utilization 1466.08 %
Child[0] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[1] xfer count = 6656.00 kB, Throughput = 335464.47 kB/sec, wall= 0.149, cpu= 0.149, %=100.00
Child[2] xfer count = 40960.00 kB, Throughput = 2077804.38 kB/sec, wall= 0.098, cpu= 0.098, %=100.00
Child[3] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.011, cpu= 0.011, %=100.00
Child[4] xfer count = 19456.00 kB, Throughput = 983922.56 kB/sec, wall= 0.149, cpu= 0.149, %=100.00
Child[5] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[6] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[7] xfer count = 14976.00 kB, Throughput = 1008284.25 kB/sec, wall= 0.143, cpu= 0.143, %=100.00
Child[8] xfer count = 5376.00 kB, Throughput = 950662.44 kB/sec, wall= 0.082, cpu= 0.082, %=100.00
Child[9] xfer count = 28032.00 kB, Throughput = 1407308.62 kB/sec, wall= 0.150, cpu= 0.150, %=100.00
Child[10] xfer count = 8064.00 kB, Throughput = 861250.62 kB/sec, wall= 0.113, cpu= 0.113, %=100.00
Child[11] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[12] xfer count = 12160.00 kB, Throughput = 2015535.50 kB/sec, wall= 0.087, cpu= 0.087, %=100.00
Child[13] xfer count = 8576.00 kB, Throughput = 1904421.88 kB/sec, wall= 0.072, cpu= 0.072, %=100.00
Child[14] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 21.67
Child[15] xfer count = 13312.00 kB, Throughput = 1725909.88 kB/sec, wall= 0.062, cpu= 0.062, %=100.00
Child[16] xfer count = 20096.00 kB, Throughput = 1172813.88 kB/sec, wall= 0.146, cpu= 0.146, %=100.00
Child[17] xfer count = 16512.00 kB, Throughput = 830423.75 kB/sec, wall= 0.150, cpu= 0.150, %=100.00
Child[18] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[19] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[20] xfer count = 14592.00 kB, Throughput = 736778.19 kB/sec, wall= 0.149, cpu= 0.149, %=100.00
Child[21] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.004, cpu= 0.004, %=100.00
Child[22] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %= 42.65
Child[23] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.012, cpu= 0.012, %=100.00
Child[24] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[25] xfer count = 1408.00 kB, Throughput = 71265.93 kB/sec, wall= 0.149, cpu= 0.149, %=100.00
Child[26] xfer count = 3200.00 kB, Throughput = 303455.41 kB/sec, wall= 0.122, cpu= 0.122, %=100.00
Child[27] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Child[28] xfer count = 39680.00 kB, Throughput = 2011243.25 kB/sec, wall= 0.126, cpu= 0.126, %=100.00
Child[29] xfer count = 19072.00 kB, Throughput = 1039449.69 kB/sec, wall= 0.107, cpu= 0.107, %=100.00
Child[30] xfer count = 27264.00 kB, Throughput = 2159862.50 kB/sec, wall= 0.115, cpu= 0.115, %=100.00
Child[31] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.000, cpu= 0.000, %=100.00
Children see throughput for 32 mixed workload = 4806575.92 kB/sec
Parent sees throughput for 32 mixed workload = 2308918.37 kB/sec
Min throughput per thread = 0.00 kB/sec
Max throughput per thread = 1438093.62 kB/sec
Avg throughput per thread = 150205.50 kB/sec
Min xfer = 0.00 kB
CPU utilization: Wall time 0.161 CPU time 1.897 CPU utilization 1176.78 %
Child[0] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.028, cpu= 0.016, %= 56.72
Child[1] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.027, cpu= 0.007, %= 25.81
Child[2] xfer count = 15488.00 kB, Throughput = 402305.38 kB/sec, wall= 0.078, cpu= 0.078, %=100.00
Child[3] xfer count = 10752.00 kB, Throughput = 296199.16 kB/sec, wall= 0.068, cpu= 0.068, %=100.00
Child[4] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.027, cpu= 0.008, %= 28.76
Child[5] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.027, cpu= 0.007, %= 26.24
Child[6] xfer count = 2560.00 kB, Throughput = 68232.22 kB/sec, wall= 0.078, cpu= 0.078, %=100.00
Child[7] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.028, cpu= 0.017, %= 59.54
Child[8] xfer count = 5760.00 kB, Throughput = 152404.88 kB/sec, wall= 0.070, cpu= 0.070, %=100.00
Child[9] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.028, cpu= 0.016, %= 57.43
Child[10] xfer count = 4096.00 kB, Throughput = 121026.06 kB/sec, wall= 0.065, cpu= 0.065, %=100.00
Child[11] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.042, cpu= 0.042, %=100.00
Child[12] xfer count = 26240.00 kB, Throughput = 700649.12 kB/sec, wall= 0.069, cpu= 0.069, %=100.00
Child[13] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.028, cpu= 0.016, %= 57.40
Child[14] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.028, cpu= 0.016, %= 58.27
Child[15] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.027, cpu= 0.008, %= 29.36
Child[16] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.027, cpu= 0.007, %= 25.52
Child[17] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.027, cpu= 0.008, %= 28.55
Child[18] xfer count = 8832.00 kB, Throughput = 233768.58 kB/sec, wall= 0.070, cpu= 0.070, %=100.00
Child[19] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.027, cpu= 0.007, %= 26.06
Child[20] xfer count = 9344.00 kB, Throughput = 263471.34 kB/sec, wall= 0.068, cpu= 0.068, %=100.00
Child[21] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.028, cpu= 0.016, %= 57.19
Child[22] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.107, cpu= 0.107, %=100.00
Child[23] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.107, cpu= 0.107, %=100.00
Child[24] xfer count = 21248.00 kB, Throughput = 561832.50 kB/sec, wall= 0.161, cpu= 0.161, %=100.00
Child[25] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.107, cpu= 0.107, %=100.00
Child[26] xfer count = 21888.00 kB, Throughput = 568593.06 kB/sec, wall= 0.161, cpu= 0.161, %=100.00
Child[27] xfer count = 40960.00 kB, Throughput = 1438093.62 kB/sec, wall= 0.066, cpu= 0.066, %=100.00
Child[28] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.107, cpu= 0.107, %=100.00
Child[29] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.107, cpu= 0.107, %=100.00
Child[30] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.108, cpu= 0.108, %=100.00
Child[31] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.107, cpu= 0.107, %=100.00
Children see throughput for 32 random writers = 9121594.73 kB/sec
Parent sees throughput for 32 random writers = 1947387.83 kB/sec
Min throughput per thread = 0.00 kB/sec
Max throughput per thread = 1759532.88 kB/sec
Avg throughput per thread = 285049.84 kB/sec
Min xfer = 0.00 kB
CPU utilization: Wall time 0.458 CPU time 11.918 CPU utilization 2603.95 %
Child[0] xfer count = 32256.00 kB, Throughput = 858258.81 kB/sec, wall= 0.441, cpu= 0.441, %=100.00
Child[1] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[2] xfer count = 40960.00 kB, Throughput = 1759532.88 kB/sec, wall= 0.112, cpu= 0.112, %=100.00
Child[3] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[4] xfer count = 32512.00 kB, Throughput = 865394.31 kB/sec, wall= 0.438, cpu= 0.438, %=100.00
Child[5] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[6] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.359, cpu= 0.359, %=100.00
Child[7] xfer count = 8192.00 kB, Throughput = 198681.47 kB/sec, wall= 0.457, cpu= 0.457, %=100.00
Child[8] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[9] xfer count = 32128.00 kB, Throughput = 854788.00 kB/sec, wall= 0.400, cpu= 0.400, %=100.00
Child[10] xfer count = 32000.00 kB, Throughput = 850136.75 kB/sec, wall= 0.252, cpu= 0.252, %=100.00
Child[11] xfer count = 32128.00 kB, Throughput = 839682.44 kB/sec, wall= 0.400, cpu= 0.400, %=100.00
Child[12] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[13] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.307, cpu= 0.307, %=100.00
Child[14] xfer count = 8320.00 kB, Throughput = 199611.30 kB/sec, wall= 0.457, cpu= 0.457, %=100.00
Child[15] xfer count = 8448.00 kB, Throughput = 209384.55 kB/sec, wall= 0.457, cpu= 0.457, %=100.00
Child[16] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.359, cpu= 0.359, %=100.00
Child[17] xfer count = 7552.00 kB, Throughput = 183145.72 kB/sec, wall= 0.457, cpu= 0.457, %=100.00
Child[18] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[19] xfer count = 32256.00 kB, Throughput = 857986.69 kB/sec, wall= 0.403, cpu= 0.403, %=100.00
Child[20] xfer count = 8320.00 kB, Throughput = 199749.56 kB/sec, wall= 0.458, cpu= 0.458, %=100.00
Child[21] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[22] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.346, cpu= 0.346, %=100.00
Child[23] xfer count = 8064.00 kB, Throughput = 195534.11 kB/sec, wall= 0.457, cpu= 0.457, %=100.00
Child[24] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[25] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[26] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[27] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.345, cpu= 0.345, %=100.00
Child[28] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.359, cpu= 0.359, %=100.00
Child[29] xfer count = 32000.00 kB, Throughput = 852014.75 kB/sec, wall= 0.400, cpu= 0.400, %=100.00
Child[30] xfer count = 7936.00 kB, Throughput = 197693.41 kB/sec, wall= 0.457, cpu= 0.457, %=100.00
Child[31] xfer count = 0.00 kB, Throughput = 0.00 kB/sec, wall= 0.346, cpu= 0.346, %=100.00
iozone test complete.
Timer resolution is poor. Some small transfers may have
reported inaccurate results. Sizes 128 kBytes and below.