Add quick 4.19-debian packet jitter measures with 1000Mb/s

measure-analysis/measure-analysis.py

@@ -367,6 +367,7 @@ class MeasureSet:
                       'delta': 'ETF qdisc delta',
                       'load': 'Device and processor load',
                       'duration': 'Test duration',
+                      'speed': 'Ethernet speed in Mb/s',
                     }
 
     metadata_descriptions = {
@@ -423,6 +424,7 @@ class MeasureSet:
         self.metadata['qdisc'] = "pfifo_fast"
         self.metadata['etf_offset'] = "none"
         self.metadata['route'] = "switch"
+        self.metadata['speed'] = "100"
 
         self.props = []
         self.props_name = []

measure-analysis/measure-report.md

@@ -23,7 +23,7 @@ Measures measuring the same propriety are grouped together in tables and graphs,
 
 Uses cyclictest from the rt-tests test suite to measure wake-up latency. A real-time thread is run on CPU1, and wakes up at a regular interval (specified by the interval parameter) using clock_nanosleep. It then uses clock_gettime and computes the difference between the scheduled wake-up time and the effective wake-up time measured by clock_gettime. The command used is: cyclictest -p `prio` -a1 -t1 -n -h 200 -q -i `interval`
 
-**Common test metadata:** Boot Parameters: isolcpus, Task priority: 99, qdisc: pfifo_fast, etf_offset: none, route: switch
+**Common test metadata:** Boot Parameters: isolcpus, Task priority: 99, qdisc: pfifo_fast, etf_offset: none, route: switch, Ethernet speed in Mb/s: 100
 
 Metadata                                                | Minimum             | Maximum             | Average             | Standard deviation 
 ------------------------------------------------------- | ------------------- | ------------------- | ------------------- | -------------------
@@ -47,7 +47,7 @@ Metadata                                                | Minimum             |
 
 An UDP packet is periodically sent from one board to another and sent back as soon as it arrives using a real time thread. The round trip time is computed with clock_gettime on the transmitting board.
 
-**Common test metadata:** Linux kernel version: 4.19-debian, Boot Parameters: isolcpus, Interval: 10000us, ETF qdisc delta: 200us, Task priority: 99, Device and processor load: ssh, Test duration: 0h4, qdisc: pfifo_fast, etf_offset: none, route: switch
+**Common test metadata:** Linux kernel version: 4.19-debian, Boot Parameters: isolcpus, Interval: 10000us, ETF qdisc delta: 200us, Task priority: 99, Device and processor load: ssh, Test duration: 0h4, qdisc: pfifo_fast, etf_offset: none, route: switch, Ethernet speed in Mb/s: 100
 
 Minimum    | Maximum    | Average    | Standard deviation | Lost packets
 ---------- | ---------- | ---------- | ------------------ | ------------
@@ -60,15 +60,20 @@ Minimum    | Maximum    | Average    | Standard deviation | Lost packets
 
 An UDP packet is periodically sent from one board to another using a real time thread. The receiving board calculates the intervals between the packets it receives, and sees how much it differs from the scheduled interval.
 
-**Common test metadata:** Boot Parameters: isolcpus, Interval: 1000us, Task priority: 99, Device and processor load: ssh, route: switch
+**Common test metadata:** Boot Parameters: isolcpus, Interval: 1000us, Task priority: 99, Device and processor load: ssh
 
 Metadata                                                         | Minimum     | Maximum    | Average    | Standard deviation | Lost packets
---------------------------------------------------- | ----------- | ---------- | ---------- | ------------------ | ------------
-**delta, duration, qdisc, etf_offset, ker**         | **jitter**  | **jitter** | **jitter** | **jitter**         |             
-none, 0h51, pfifo_fast, none, 4.19-debian (3077562) | -324.0000us | 162.0000us | 8.5575us   | 13.0667us          | 0           
-160us, 16h43, etf, 600us, 5.6-custom (60200401)     | -500.0000us | 483.0000us | 5.2553us   | 8.1791us           | 0           
-160us, 16h38, etf, 600us, 4.19-custom (59917045)    | -382.0000us | 248.0000us | 5.7003us   | 8.3437us           | 0           
-160us, 16h18, etf, 500us, 4.19-debian (58719959)    | -198.0000us | 182.0000us | 10.5478us  | 13.0301us          | 7           
+---------------------------------------------------------------- | ----------- | ---------- | ---------- | ------------------ | ------------
+**delta, duration, qdisc, etf_offset, ker, route, speed**        | **jitter**  | **jitter** | **jitter** | **jitter**         |             
+none, 0h51, pfifo_fast, none, 4.19-debian, switch, 100 (3077562) | -324.0000us | 162.0000us | 8.5575us   | 13.0667us          | 0           
+160us, 16h43, etf, 600us, 5.6-custom, switch, 100 (60200401)     | -500.0000us | 483.0000us | 5.2553us   | 8.1791us           | 0           
+160us, 16h38, etf, 600us, 4.19-custom, switch, 100 (59917045)    | -382.0000us | 248.0000us | 5.7003us   | 8.3437us           | 0           
+160us, 0h5, etf, 500us, 4.19-debian, E2E, 1000 (300154)          | -167.0000us | 178.0000us | 8.1353us   | 11.0959us          | 0           
+160us, 0h5, etf, 500us, 4.19-debian, E2E, 100 (317272)           | -172.0000us | 161.0000us | 10.6352us  | 13.5693us          | 0           
+160us, 0h42, etf, 500us, 4.19-debian, E2E, 100 (2553803)         | -190.0000us | 215.0000us | 9.2664us   | 12.0520us          | 0           
+160us, 1h4, etf, 600, 4.19-debian, E2E, 1000 (3846039)           | -206.0000us | 230.0000us | 9.4174us   | 12.1711us          | 3           
+160us, 16h18, etf, 500us, 4.19-debian, switch, 100 (58719959)    | -198.0000us | 182.0000us | 10.5478us  | 13.0301us          | 7           
+none, 1h11, pfifo_fast, none, 4.19-debian, E2E, 1000 (4295445)   | -301.0000us | 204.0000us | 7.0618us   | 10.0641us          | 7           
 
 ![alt text](measures/graphs/packet_jitterjitter.png "packet_jitter Graph")
 
@@ -76,7 +81,7 @@ none, 0h51, pfifo_fast, none, 4.19-debian (3077562) | -324.0000us | 162.0000us |
 
 An UDP packet is periodically sent from one board to another using a real time thread. The receiving board uses the SO_TIMESTAMPING option to see when the packet entered the kernel, and generates timestamps with clock_gettime once the packets enters userspace to compute the time the packet spent in kernel space.
 
-**Common test metadata:** Linux kernel version: 4.19-debian, Boot Parameters: isolcpus, Interval: 1000us, ETF qdisc delta: 160us, Task priority: 99, Device and processor load: ssh, Test duration: 0h59, qdisc: etf, etf_offset: 600us, route: switch
+**Common test metadata:** Linux kernel version: 4.19-debian, Boot Parameters: isolcpus, Interval: 1000us, ETF qdisc delta: 160us, Task priority: 99, Device and processor load: ssh, Test duration: 0h59, qdisc: etf, etf_offset: 600us, route: switch, Ethernet speed in Mb/s: 100
 
 Minimum          | Maximum          | Average          | Standard deviation | Lost packets
 ---------------- | ---------------- | ---------------- | ------------------ | ------------

measure-analysis/measures/measure_sets.json

-{"cyclictest_wake-up_latency": {"ids": [26, 28, 36, 53, 54, 55, 62, 63, 64, 65, 66, 67], "next_id": 68}, "packet_rtt": {"ids": [0], "next_id": 1}, "packet_jitter": {"ids": [2, 4, 5, 7], "next_id": 8}, "packet_recv_timestamps": {"ids": [0], "next_id": 1}}
\ No newline at end of file
+{"cyclictest_wake-up_latency": {"ids": [26, 28, 36, 53, 54, 55, 62, 63, 64, 65, 66, 67], "next_id": 68}, "packet_rtt": {"ids": [0], "next_id": 1}, "packet_jitter": {"ids": [2, 4, 5, 7, 8, 9, 10, 11, 12], "next_id": 13}, "packet_recv_timestamps": {"ids": [0], "next_id": 1}}
\ No newline at end of file

measure-analysis/measures/packet_jitter10.json

+{"measure_sets": [{"measure_type": "packet_jitter", "props_names": ["jitter"], "units": ["us"], "middle": 190, "props": [[1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 0, 1, 0, 1, 1, 1, 1, 2, 0, 2, 1, 0, 0, 3, 0, 1, 2, 1, 1, 1, 0, 3, 2, 4, 2, 3, 2, 3, 0, 6, 3, 4, 0, 5, 3, 4, 3, 5, 5, 6, 7, 7, 6, 13, 14, 4, 15, 10, 12, 11, 6, 11, 9, 17, 18, 14, 20, 14, 21, 14, 21, 29, 26, 32, 38, 42, 61, 71, 102, 153, 176, 231, 320, 451, 585, 705, 933, 1082, 1316, 1431, 1527, 1555, 1467, 1369, 1264, 1177, 1143, 1094, 1151, 1411, 1454, 1751, 2083, 2435, 2854, 3327, 3942, 4929, 6275, 8149, 10828, 14525, 19703, 27216, 36911, 50496, 66594, 82485, 96848, 103535, 101640, 90079, 73735, 56729, 44114, 39018, 41101, 50344, 64554, 80219, 95672, 108162, 116599, 119081, 114150, 103331, 88499, 70612, 54407, 41613, 34345, 33846, 35765, 39561, 41895, 41227, 37324, 31010, 23818, 17342, 12008, 8658, 6890, 5857, 5231, 4739, 4302, 3795, 3626, 3241, 3061, 2771, 2527, 2195, 1846, 1595, 1352, 1231, 1218, 1227, 1260, 1420, 1476, 1640, 1607, 1611, 1532, 1332, 1140, 971, 744, 618, 536, 449, 403, 329, 287, 214, 181, 134, 136, 84, 68, 64, 60, 41, 28, 40, 42, 29, 43, 25, 22, 19, 18, 24, 19, 14, 17, 15, 15, 14, 14, 16, 15, 18, 13, 3, 10, 11, 6, 12, 8, 5, 10, 1, 6, 3, 6, 5, 6, 6, 7, 5, 5, 4, 2, 5, 1, 3, 4, 5, 3, 3, 4, 1, 2, 1, 1, 1, 1, 0, 1, 2, 2, 1, 0, 1, 0, 2, 0, 2, 0, 1, 0, 3, 1, 1, 0, 0, 0, 0, 0, 2, 0, 0, 2, 1, 0, 1, 2, 1, 1, 1, 0, 2, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]], "props_type": "histogram", "metadata": {"board": "Emerald", "ker": "4.19-debian", "boot_p": "isolcpus", "i": "1000us", "delta": "160us", "prio": "99", "load": "ssh", "duration": "0h42", "qdisc": "etf", "etf_offset": "500us", "route": "E2E", "speed": "100", "lost_packets": "0"}}]}
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measure-analysis/measures/packet_jitter11.json

+{"measure_sets": [{"measure_type": "packet_jitter", "props_names": ["jitter"], "units": ["us"], "middle": 206, "props": [[1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 5, 1, 2, 0, 3, 1, 2, 1, 3, 1, 1, 1, 2, 1, 1, 1, 3, 2, 3, 3, 4, 2, 1, 2, 2, 4, 4, 4, 5, 2, 5, 2, 4, 4, 5, 3, 3, 5, 4, 6, 5, 5, 4, 10, 7, 12, 11, 11, 13, 14, 18, 18, 21, 15, 21, 24, 19, 23, 16, 19, 24, 18, 24, 27, 34, 35, 32, 36, 42, 33, 58, 57, 83, 99, 133, 168, 207, 276, 320, 441, 676, 838, 1016, 1362, 1639, 1852, 2115, 2339, 2315, 2291, 2098, 1922, 1728, 1610, 1631, 1720, 1982, 2109, 2617, 2995, 3567, 4241, 5121, 6150, 7607, 9932, 12931, 16890, 22891, 31388, 42877, 59064, 80336, 104804, 130155, 149479, 157639, 151430, 131751, 105389, 80165, 63443, 57477, 63652, 77990, 99264, 120464, 140854, 155787, 164817, 165915, 160910, 148595, 131139, 110410, 90172, 72389, 60361, 55391, 55972, 58161, 60172, 58770, 54636, 47064, 37717, 28685, 20473, 15071, 11204, 9377, 8337, 7353, 7011, 6388, 5934, 5288, 4737, 4140, 3561, 3012, 2716, 2268, 1977, 1921, 1851, 1841, 1945, 2201, 2337, 2386, 2385, 2332, 2185, 1946, 1653, 1269, 1139, 962, 811, 679, 546, 462, 375, 334, 252, 184, 167, 154, 112, 91, 89, 66, 62, 62, 57, 52, 52, 50, 44, 42, 33, 37, 21, 25, 24, 26, 19, 22, 25, 17, 18, 18, 30, 24, 16, 16, 12, 19, 16, 10, 2, 5, 5, 7, 8, 10, 9, 8, 4, 8, 5, 7, 9, 4, 4, 5, 8, 5, 5, 6, 4, 8, 1, 1, 5, 2, 5, 3, 3, 3, 4, 1, 2, 2, 2, 1, 2, 1, 0, 3, 3, 4, 3, 2, 2, 1, 2, 0, 2, 2, 2, 2, 2, 1, 1, 3, 0, 1, 0, 0, 2, 1, 2, 1, 1, 3, 1, 0, 0, 0, 3, 2, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]], "props_type": "histogram", "metadata": {"board": "Emerald", "ker": "4.19-debian", "boot_p": "isolcpus", "i": "1000us", "delta": "160us", "prio": "99", "load": "ssh", "duration": "1h4", "qdisc": "etf", "etf_offset": "600", "route": "E2E", "speed": "1000", "lost_packets": "3"}}]}
\ No newline at end of file

measure-analysis/measures/packet_jitter12.json

+{"measure_sets": [{"measure_type": "packet_jitter", "props_names": ["jitter"], "units": ["us"], "middle": 301, "props": [[1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, 4, 2, 3, 0, 0, 0, 2, 1, 0, 0, 0, 2, 2, 2, 0, 3, 0, 0, 1, 1, 2, 2, 3, 2, 2, 0, 3, 7, 3, 6, 2, 1, 2, 2, 3, 4, 2, 1, 6, 2, 4, 3, 7, 8, 3, 3, 12, 5, 5, 7, 5, 5, 7, 5, 6, 13, 10, 10, 13, 19, 20, 12, 17, 21, 26, 38, 24, 18, 41, 31, 47, 41, 39, 39, 34, 40, 49, 56, 54, 56, 66, 64, 62, 71, 80, 91, 106, 135, 159, 201, 232, 314, 388, 520, 671, 878, 1126, 1492, 1898, 2344, 2788, 3166, 3891, 4142, 4377, 4578, 4341, 4124, 3917, 3420, 3359, 3216, 3075, 3122, 3503, 3820, 4601, 5791, 7322, 9498, 12729, 16747, 22299, 29629, 39663, 52414, 70261, 94783, 125367, 163333, 203886, 242165, 272450, 285252, 280502, 259254, 224325, 190452, 161003, 139725, 129555, 126267, 126789, 125057, 118212, 107777, 92626, 76198, 61237, 48450, 38611, 31151, 25085, 21078, 18001, 15443, 13133, 11056, 9668, 8415, 7669, 6835, 6100, 5503, 4949, 4220, 4072, 3849, 3769, 4051, 4282, 4607, 4719, 4824, 4735, 4468, 4072, 3610, 3186, 2553, 2252, 1730, 1545, 1313, 1106, 912, 771, 675, 577, 473, 417, 329, 314, 273, 223, 201, 173, 136, 153, 122, 116, 94, 80, 80, 54, 68, 67, 50, 50, 55, 56, 55, 53, 56, 52, 45, 45, 41, 31, 39, 35, 28, 25, 27, 14, 22, 12, 17, 16, 12, 14, 12, 9, 15, 10, 10, 16, 11, 6, 7, 8, 11, 12, 7, 8, 5, 5, 4, 7, 7, 6, 1, 3, 7, 5, 4, 5, 8, 3, 4, 2, 2, 8, 3, 6, 7, 5, 3, 3, 6, 1, 5, 5, 3, 1, 3, 1, 1, 2, 2, 2, 0, 2, 0, 2, 2, 1, 2, 2, 1, 2, 1, 0, 0, 2, 0, 3, 2, 1, 0, 1, 0, 0, 0, 0, 2, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 2, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]], "props_type": "histogram", "metadata": {"board": "Emerald", "ker": "4.19-debian", "boot_p": "isolcpus", "i": "1000us", "delta": "none", "prio": "99", "load": "ssh", "duration": "1h11", "qdisc": "pfifo_fast", "etf_offset": "none", "route": "E2E", "speed": "1000", "lost_packets": "7"}}]}
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measure-analysis/measures/packet_jitter8.json

+{"measure_sets": [{"measure_type": "packet_jitter", "props_names": ["jitter"], "units": ["us"], "middle": 167, "props": [[1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 1, 2, 1, 0, 0, 1, 1, 1, 4, 3, 0, 1, 3, 2, 3, 2, 5, 1, 4, 2, 4, 6, 4, 5, 8, 4, 9, 10, 12, 21, 29, 27, 62, 72, 94, 114, 144, 154, 192, 198, 195, 210, 201, 183, 187, 211, 179, 201, 213, 269, 288, 302, 337, 377, 383, 462, 553, 692, 1001, 1390, 1864, 2710, 3561, 4946, 6563, 8731, 10666, 12096, 12483, 11839, 10187, 8059, 6563, 5950, 6710, 8697, 11458, 14474, 16610, 18074, 17052, 14969, 11282, 7879, 5229, 3793, 3464, 3976, 4881, 5370, 5644, 5016, 4110, 2726, 1866, 1246, 934, 731, 664, 634, 559, 482, 405, 367, 347, 378, 341, 321, 309, 263, 284, 214, 204, 175, 181, 202, 198, 210, 223, 259, 221, 178, 190, 145, 110, 86, 81, 60, 62, 46, 36, 41, 27, 17, 18, 8, 9, 8, 6, 11, 5, 0, 6, 7, 5, 5, 2, 4, 2, 2, 6, 6, 4, 2, 4, 2, 1, 1, 0, 2, 2, 1, 2, 1, 1, 2, 1, 2, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 2, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]], "props_type": "histogram", "metadata": {"board": "Emerald", "ker": "4.19-debian", "boot_p": "isolcpus", "i": "1000us", "delta": "160us", "prio": "99", "load": "ssh", "duration": "0h5", "qdisc": "etf", "etf_offset": "500us", "route": "E2E", "speed": "1000", "lost_packets": "0"}}]}
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measure-analysis/measures/packet_jitter9.json

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