Matt Fleming mfleming

## Dockerfile.perf
FROM ubuntu AS build

RUN apt-get update
RUN apt-get install -y git-core make gcc make flex bison pkg-config
RUN git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
RUN NO_LIBTRACEEVENT=1 NO_JEVENTS=1 NO_LIBELF=1 make -C linux/tools/perf

FROM ubuntu
COPY --from=build linux/tools/perf/perf /bin/perf
ENTRYPOINT ["/bin/perf", "bench", "sched", "pipe"]

## big-oh-n3.py
#!/usr/bin/env python3
#
# Build three lists of integers with NUM_ELEMS elements where each element is a random integer in
# the range [0,9223372036854775807]. Then measure the time to iterate over all three lists in a
# O(n^3) loop.

import random
import sys
import time

## futex-hrtimer-details.py
#!/usr/bin/env python3
#
# Copyright 2021 Matt Fleming
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#

## aug-19-script
#!/bin/bash

mins=10

echo "Collecting metrics for $mins minutes..."
dstat_outfile="dstat-`hostname`.csv"
echo "Writing dstat output to $dstat_outfile"
#dstat --output $dstat_outfile -pmgsdr --disk-util -nyct -C $(seq --separator=, 0 `grep -c processor /proc/cpuinfo`),total 1 $mins*60 &
dstat --output "dstat-`hostname`.csv" -pmgsdr --disk-util --disk-avgqu --disk-avgrq --disk-svctm --disk-tps --disk-wait -nyct -C $(seq --separator=, 0 `grep -c processor /proc/cpuinfo`),total 1 $mins*60 &

## local read p95
LOCAL_READ_LAT
     101      102      103      104      105      106      107      108      109      110      111      112      113      114      115      116      117      118      119      120      121      122      123      124      125      126      127      128      129      130
 2244.99  2001.08  2094.19  2091.63  2177.90  2135.08  2070.21  2209.53  2555.59  2210.66  2617.31  2380.47  2079.81  1940.16  2167.33  2000.25  2282.22  2138.76  2174.56  2323.89  2337.70  2103.62  2662.23  2328.45  2348.95  2094.92  2090.17  2082.72  2455.15  2375.50
 2240.54  2058.54  2089.79  2076.53  2226.89  2089.16  2144.17  2252.17  2561.54  2126.63  2620.43  2446.84  2046.34  1945.04  2208.63  2077.38  2259.14  2151.39  2166.32  2284.87  2356.72  2174.22  2732.14  2343.50  2339.06  2173.02  2253.94  2229.47  2482.65  2372.21
 2228.58  2031.92  2085.99  2029.90  2203.40  2043.77  2240.10  2283.07  2540.45  2069.83  2597.42  2408.73  2038.06  1937.33  2198.60  2139.98  2268.66  2202.33  2120.18  2233.41  2285.04  2119.7

## local write p95
LOCAL_WRITE_LAT
     101      102      103      104      105      106      107      108      109      110      111      112      113      114      115      116      117      118      119      120      121      122      123      124      125      126      127      128      129      130
   84.80    80.70    84.07    80.62    82.38    80.59    79.77    85.54    96.62    81.12    95.94    95.64    80.59    80.50    82.54    80.38    85.66    80.80    82.34    83.12    82.20    80.13    87.56    81.72    84.81    81.30    81.46    80.29    80.53    79.18
   82.50    81.62    83.31    80.56    81.44    80.42    80.52    83.79    95.82    80.17    94.71    95.12    80.24    80.09    81.43    80.17    83.16    80.56    81.34    81.42    81.59    79.93    85.47    81.29    82.16    81.15    82.27    81.36    80.58    78.91
   82.49    80.91    82.97    80.47    81.20    80.42    81.84    84.99    95.82    79.83    94.72    94.58    80.28    80.09    81.15    81.55    82.12    81.72    81.27    81.20    81.58    80.

## p95 read latency
COORD_READ_LAT
     101      102      103      104      105      106      107      108      109      110      111      112      113      114      115      116      117      118      119      120      121      122      123      124      125      126      127      128      129      130
 6464.33  5916.96  6638.47  6510.93  7873.74  6877.09  7386.31  6761.11  7152.74  8009.55  8056.09  7940.02  6305.71  7426.24  7559.26  6905.72  7268.96  7287.93  7752.62  7066.10  7825.82  6693.06  9337.75  6572.58  7178.10  6658.93  6723.55  6366.19  6703.86  6932.12
 6475.93  6644.72  6438.52  6982.24  7793.96  7323.42  7836.99  7089.70  8184.44  7429.05  9102.36  8066.60  6529.72  7417.02  7249.17  7135.08  7531.55  7157.15  7466.89  7095.56  8080.41  6935.30  8786.00  7061.77  7383.55  7469.78  7743.11  7083.60  6820.78  6874.24
 6538.87  6008.39  6441.62  6920.38  7608.94  6901.87  7525.84  7537.04  7116.79  7036.94  7961.29  7225.64  6398.30  6927.24  6317.50  7044.15  7178.79  7082.67  7066.30  6598.25  8098.58  6602.6

## p95 write latency
COORD_WRITE_LAT
     101      102      103      104      105      106      107      108      109      110      111      112      113      114      115      116      117      118      119      120      121      122      123      124      125      126      127      128      129      130
 5542.47  4922.48  5001.43  6273.38  6254.66  6542.20  6649.51  5872.03  7141.65  6697.36  8171.66  7944.98  6181.90  6476.50  7006.39  6407.96  6796.33  6319.05  6846.58  6317.67  6920.60  6291.46  9227.47  6146.82  6789.09  6915.61  6217.61  6291.46  6271.48  6213.78
 5397.41  5655.43  5061.05  6496.61  6407.96  6547.21  7249.64  6238.36  7773.93  6227.26  9047.71  7843.35  6594.38  6682.45  6543.11  6951.67  6984.87  6765.81  6750.21  6437.77  7340.03  6710.89  7444.89  6375.34  7107.02  6656.18  7340.03  6815.74  6558.04  6188.08
 5115.78  5056.84  5082.06  6110.67  6193.91  5806.00  7295.41  6045.70  7319.47  5799.27  8609.36  7562.46  6005.48  6075.57  5744.37  7017.39  6943.90  7100.36  6214.73  5856.68  6269.61  6348.

## jmx-metrics
#!/bin/bash

mins=60

echo "Collecting metrics for $mins minutes..."
dstat_outfile="dstat-`hostname`.csv"
echo "Writing dstat output to $dstat_outfile"
dstat --output $dstat_outfile -pmgsdr --disk-util -nyct -C $(seq --separator=, 0 `grep -c processor /proc/cpuinfo`),total 1 $mins &

latency_outfile="jmx-lat-`hostname`.csv"

## objdump-clear_user.txt

clear_user:     file format elf64-x86-64


Disassembly of section .init:

0000000000005718 <_init>:
    5718:	48 83 ec 08          	sub    $0x8,%rsp
    571c:	48 8b 05 c5 08 25 00 	mov    0x2508c5(%rip),%rax        # 255fe8 <__gmon_start__>
    5723:	48 85 c0             	test   %rax,%rax
	FROM ubuntu AS build

	RUN apt-get update
	RUN apt-get install -y git-core make gcc make flex bison pkg-config
	RUN git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
	RUN NO_LIBTRACEEVENT=1 NO_JEVENTS=1 NO_LIBELF=1 make -C linux/tools/perf

	FROM ubuntu
	COPY --from=build linux/tools/perf/perf /bin/perf
	ENTRYPOINT ["/bin/perf", "bench", "sched", "pipe"]
	#!/usr/bin/env python3
	#
	# Build three lists of integers with NUM_ELEMS elements where each element is a random integer in
	# the range [0,9223372036854775807]. Then measure the time to iterate over all three lists in a
	# O(n^3) loop.

	import random
	import sys
	import time
	#!/usr/bin/env python3
	#
	# Copyright 2021 Matt Fleming
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	#!/bin/bash

	mins=10

	echo "Collecting metrics for $mins minutes..."
	dstat_outfile="dstat-`hostname`.csv"
	echo "Writing dstat output to $dstat_outfile"
	#dstat --output $dstat_outfile -pmgsdr --disk-util -nyct -C $(seq --separator=, 0 `grep -c processor /proc/cpuinfo`),total 1 $mins*60 &
	dstat --output "dstat-`hostname`.csv" -pmgsdr --disk-util --disk-avgqu --disk-avgrq --disk-svctm --disk-tps --disk-wait -nyct -C $(seq --separator=, 0 `grep -c processor /proc/cpuinfo`),total 1 $mins*60 &
	LOCAL_READ_LAT
	101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
	2244.99 2001.08 2094.19 2091.63 2177.90 2135.08 2070.21 2209.53 2555.59 2210.66 2617.31 2380.47 2079.81 1940.16 2167.33 2000.25 2282.22 2138.76 2174.56 2323.89 2337.70 2103.62 2662.23 2328.45 2348.95 2094.92 2090.17 2082.72 2455.15 2375.50
	2240.54 2058.54 2089.79 2076.53 2226.89 2089.16 2144.17 2252.17 2561.54 2126.63 2620.43 2446.84 2046.34 1945.04 2208.63 2077.38 2259.14 2151.39 2166.32 2284.87 2356.72 2174.22 2732.14 2343.50 2339.06 2173.02 2253.94 2229.47 2482.65 2372.21
	2228.58 2031.92 2085.99 2029.90 2203.40 2043.77 2240.10 2283.07 2540.45 2069.83 2597.42 2408.73 2038.06 1937.33 2198.60 2139.98 2268.66 2202.33 2120.18 2233.41 2285.04 2119.7
	LOCAL_WRITE_LAT
	101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
	84.80 80.70 84.07 80.62 82.38 80.59 79.77 85.54 96.62 81.12 95.94 95.64 80.59 80.50 82.54 80.38 85.66 80.80 82.34 83.12 82.20 80.13 87.56 81.72 84.81 81.30 81.46 80.29 80.53 79.18
	82.50 81.62 83.31 80.56 81.44 80.42 80.52 83.79 95.82 80.17 94.71 95.12 80.24 80.09 81.43 80.17 83.16 80.56 81.34 81.42 81.59 79.93 85.47 81.29 82.16 81.15 82.27 81.36 80.58 78.91
	82.49 80.91 82.97 80.47 81.20 80.42 81.84 84.99 95.82 79.83 94.72 94.58 80.28 80.09 81.15 81.55 82.12 81.72 81.27 81.20 81.58 80.
	COORD_READ_LAT
	101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
	6464.33 5916.96 6638.47 6510.93 7873.74 6877.09 7386.31 6761.11 7152.74 8009.55 8056.09 7940.02 6305.71 7426.24 7559.26 6905.72 7268.96 7287.93 7752.62 7066.10 7825.82 6693.06 9337.75 6572.58 7178.10 6658.93 6723.55 6366.19 6703.86 6932.12
	6475.93 6644.72 6438.52 6982.24 7793.96 7323.42 7836.99 7089.70 8184.44 7429.05 9102.36 8066.60 6529.72 7417.02 7249.17 7135.08 7531.55 7157.15 7466.89 7095.56 8080.41 6935.30 8786.00 7061.77 7383.55 7469.78 7743.11 7083.60 6820.78 6874.24
	6538.87 6008.39 6441.62 6920.38 7608.94 6901.87 7525.84 7537.04 7116.79 7036.94 7961.29 7225.64 6398.30 6927.24 6317.50 7044.15 7178.79 7082.67 7066.30 6598.25 8098.58 6602.6
	COORD_WRITE_LAT
	101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
	5542.47 4922.48 5001.43 6273.38 6254.66 6542.20 6649.51 5872.03 7141.65 6697.36 8171.66 7944.98 6181.90 6476.50 7006.39 6407.96 6796.33 6319.05 6846.58 6317.67 6920.60 6291.46 9227.47 6146.82 6789.09 6915.61 6217.61 6291.46 6271.48 6213.78
	5397.41 5655.43 5061.05 6496.61 6407.96 6547.21 7249.64 6238.36 7773.93 6227.26 9047.71 7843.35 6594.38 6682.45 6543.11 6951.67 6984.87 6765.81 6750.21 6437.77 7340.03 6710.89 7444.89 6375.34 7107.02 6656.18 7340.03 6815.74 6558.04 6188.08
	5115.78 5056.84 5082.06 6110.67 6193.91 5806.00 7295.41 6045.70 7319.47 5799.27 8609.36 7562.46 6005.48 6075.57 5744.37 7017.39 6943.90 7100.36 6214.73 5856.68 6269.61 6348.
	#!/bin/bash

	mins=60

	echo "Collecting metrics for $mins minutes..."
	dstat_outfile="dstat-`hostname`.csv"
	echo "Writing dstat output to $dstat_outfile"
	dstat --output $dstat_outfile -pmgsdr --disk-util -nyct -C $(seq --separator=, 0 `grep -c processor /proc/cpuinfo`),total 1 $mins &

	latency_outfile="jmx-lat-`hostname`.csv"

	clear_user: file format elf64-x86-64


	Disassembly of section .init:

	0000000000005718 <_init>:
	5718: 48 83 ec 08 sub $0x8,%rsp
	571c: 48 8b 05 c5 08 25 00 mov 0x2508c5(%rip),%rax # 255fe8 <__gmon_start__>
	5723: 48 85 c0 test %rax,%rax