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2026-06-10 - 19:48

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack9slot3s.osadl.org (updated Wed Jun 10, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119591710,54ptp4l0-21swapper/007:08:130
22143996766,0cyclictest119591ptp4l12:02:511
119591650,43ptp4l0-21swapper/107:07:311
2167925450,2sleep20-21swapper/207:07:262
2154725143,6sleep30-21swapper/307:05:423
62702440,0sleep20-21swapper/208:40:132
1300913229,1phc2sys0-21swapper/007:10:010
119591310,0ptp4l0-21swapper/108:35:141
119591280,0ptp4l0-21swapper/110:45:191
22142992020,0cyclictest9-21ksoftirqd/009:05:160
22142992019,0cyclictest9-21ksoftirqd/008:05:130
22142991712,1cyclictest9-21ksoftirqd/007:55:200
119591170,0ptp4l0-21swapper/108:25:191
22144991614,1cyclictest33-21ksoftirqd/208:25:122
119591160,1ptp4l32570-21snmp_o5powerctl07:25:211
119591160,1ptp4l32219-21apt-get10:30:121
119591160,1ptp4l29565-21apt-get10:25:101
119591160,1ptp4l20986-21snmp_o5powerctl09:05:201
119591160,1ptp4l17047-21apt-get08:00:120
119591160,1ptp4l12450-21snmp_o5powerctl09:50:201
119591160,1ptp4l10392-21snmp_o5powerctl08:45:230
119591160,0ptp4l0-21swapper/111:20:171
119591160,0ptp4l0-21swapper/110:20:141
119591160,0ptp4l0-21swapper/009:00:220
119591160,0ptp4l0-21swapper/008:20:160
119591150,2ptp4l10104-21unixbench_singl09:45:231
119591150,1ptp4l9321-21snmp_o5powerctl11:45:221
119591150,1ptp4l3736-21ls10:35:181
119591150,1ptp4l32652-21ls07:25:210
119591150,1ptp4l32227-21basename10:30:130
119591150,1ptp4l31946-21grep09:25:220
119591150,1ptp4l30924-21snmp_o5powerctl11:25:240
119591150,1ptp4l29097-21memory08:20:171
119591150,1ptp4l28672-21ntp_states09:20:171
119591150,1ptp4l27448-21memory12:20:150
119591150,1ptp4l26586-21ntp_states08:15:211
119591150,1ptp4l26318-21irqstats08:15:180
119591150,1ptp4l25271-21df07:15:020
119591150,1ptp4l24416-21entropy11:15:141
119591150,1ptp4l23803-21munin-run10:15:000
119591150,1ptp4l22955-21snmp_o5powerctl11:10:210
119591150,1ptp4l22662-21hddtemp_smartct09:10:151
119591150,1ptp4l19521-21irqrtprio11:05:171
119591150,1ptp4l18737-21apt-get10:05:121
119591150,1ptp4l15436-21dpkg10:59:351
119591150,1ptp4l14880-21ls10:55:230
119591150,1ptp4l13407-21snmp_o5powerctl07:50:201
119591150,1ptp4l11841-21diskstats08:50:130
119591150,1ptp4l11451-21aten2.4-expect08:50:101
119591150,0ptp4l2648-21ls08:30:210
119591150,0ptp4l0-21swapper/209:00:202
119591150,0ptp4l0-21swapper/109:01:351
119591150,0ptp4l0-21swapper/108:40:111
119591150,0ptp4l0-21swapper/107:20:111
119591150,0ptp4l0-21swapper/011:50:120
119591150,0ptp4l0-21swapper/011:30:130
119591150,0ptp4l0-21swapper/009:40:000
119591140,1ptp4l9375-21systemctl10:45:230
119591140,1ptp4l7564-21awk08:40:180
119591140,1ptp4l7150-21/usr/sbin/munin09:40:212
119591140,1ptp4l32744-21memory12:30:161
119591140,1ptp4l29786-21ps07:20:200
119591140,1ptp4l2961-21if_err_enp2s011:35:171
119591140,1ptp4l26350-21perf11:20:020
119591140,1ptp4l25467-21memory10:15:150
119591140,1ptp4l25337-21kernelversion07:15:021
119591140,1ptp4l23687-21aten_r9power_vo12:15:111
119591140,1ptp4l22585-21snmp_o5powerctl12:10:221
119591140,1ptp4l19990-21cstates08:05:141
119591140,1ptp4l19937-21snmp_o5powerctl12:05:251
119591140,1ptp4l17736-21hddtemp_smartct08:00:161
119591140,1ptp4l13600-21timerwakeupswit07:50:220
119591140,1ptp4l13000-21aten_r9power_en11:55:151
119591140,0ptp4l0-21swapper/211:25:222
119591140,0ptp4l0-21swapper/211:05:232
119591140,0ptp4l0-21swapper/112:36:571
119591140,0ptp4l0-21swapper/111:50:221
119591140,0ptp4l0-21swapper/111:40:171
119591140,0ptp4l0-21swapper/111:30:121
119591140,0ptp4l0-21swapper/111:25:151
119591140,0ptp4l0-21swapper/111:00:141
119591140,0ptp4l0-21swapper/110:50:161
119591140,0ptp4l0-21swapper/110:40:131
119591140,0ptp4l0-21swapper/110:15:121
119591140,0ptp4l0-21swapper/110:10:151
119591140,0ptp4l0-21swapper/109:55:131
119591140,0ptp4l0-21swapper/109:40:131
119591140,0ptp4l0-21swapper/109:35:111
119591140,0ptp4l0-21swapper/109:25:131
119591140,0ptp4l0-21swapper/109:15:141
119591140,0ptp4l0-21swapper/108:55:131
119591140,0ptp4l0-21swapper/108:45:161
119591140,0ptp4l0-21swapper/108:30:171
119591140,0ptp4l0-21swapper/108:10:021
119591140,0ptp4l0-21swapper/107:55:191
119591140,0ptp4l0-21swapper/107:48:081
119591140,0ptp4l0-21swapper/107:40:161
119591140,0ptp4l0-21swapper/107:35:141
119591140,0ptp4l0-21swapper/107:30:131
119591140,0ptp4l0-21swapper/107:10:231
119591140,0ptp4l0-21swapper/012:35:220
119591140,0ptp4l0-21swapper/012:25:200
119591140,0ptp4l0-21swapper/012:15:110
119591140,0ptp4l0-21swapper/012:10:230
119591140,0ptp4l0-21swapper/012:00:200
119591140,0ptp4l0-21swapper/011:45:240
119591140,0ptp4l0-21swapper/011:40:230
119591140,0ptp4l0-21swapper/011:35:220
119591140,0ptp4l0-21swapper/011:00:220
119591140,0ptp4l0-21swapper/010:40:140
119591140,0ptp4l0-21swapper/010:25:160
119591140,0ptp4l0-21swapper/010:20:160
119591140,0ptp4l0-21swapper/010:00:160
119591140,0ptp4l0-21swapper/009:20:130
119591140,0ptp4l0-21swapper/009:15:210
119591140,0ptp4l0-21swapper/009:13:300
119591140,0ptp4l0-21swapper/008:25:510
119591140,0ptp4l0-21swapper/008:10:210
119591130,0ptp4l4126-21strings09:35:170
119591130,0ptp4l22140-21cyclictest10:45:263
119591130,0ptp4l0-21swapper/210:50:202
119591130,0ptp4l0-21swapper/210:35:162
119591130,0ptp4l0-21swapper/210:10:112
119591130,0ptp4l0-21swapper/210:00:142
119591130,0ptp4l0-21swapper/208:15:222
119591130,0ptp4l0-21swapper/207:20:222
119591130,0ptp4l0-21swapper/207:10:152
119591130,0ptp4l0-21swapper/112:25:121
119591130,0ptp4l0-21swapper/112:20:111
119591130,0ptp4l0-21swapper/111:10:131
119591130,0ptp4l0-21swapper/110:00:131
119591130,0ptp4l0-21swapper/109:30:121
119591130,0ptp4l0-21swapper/012:30:220
119591130,0ptp4l0-21swapper/012:05:190
119591130,0ptp4l0-21swapper/011:55:150
119591130,0ptp4l0-21swapper/011:20:150
119591130,0ptp4l0-21swapper/011:05:130
119591130,0ptp4l0-21swapper/010:50:120
119591130,0ptp4l0-21swapper/010:35:150
119591130,0ptp4l0-21swapper/010:05:200
119591130,0ptp4l0-21swapper/009:55:150
119591130,0ptp4l0-21swapper/009:50:140
119591130,0ptp4l0-21swapper/009:45:130
119591130,0ptp4l0-21swapper/009:30:130
119591130,0ptp4l0-21swapper/008:55:010
119591130,0ptp4l0-21swapper/008:35:150
119591130,0ptp4l0-21swapper/007:45:150
119591130,0ptp4l0-21swapper/007:40:000
119591130,0ptp4l0-21swapper/007:35:120
119591130,0ptp4l0-21swapper/007:30:120
119591120,0ptp4l0-21swapper/209:15:202
119591120,0ptp4l0-21swapper/208:50:192
119591120,0ptp4l0-21swapper/207:55:142
2214599119,1cyclictest20428-21irqstats09:05:163
22144991110,0cyclictest33-21ksoftirqd/211:00:192
119591110,0ptp4l0-21swapper/210:47:362
119591110,0ptp4l0-21swapper/209:48:352
119591110,0ptp4l0-21swapper/209:35:472
2214499109,0cyclictest33-21ksoftirqd/210:20:152
22144991010,0cyclictest33-21ksoftirqd/208:05:132
119591100,0ptp4l0-21swapper/212:27:342
119591100,0ptp4l0-21swapper/212:10:162
221459997,1cyclictest5499-21taskset08:36:123
221459997,1cyclictest5348-21cut10:40:133
221459997,1cyclictest4943-21chrt09:36:343
221459997,1cyclictest31347-21taskset11:26:173
221459997,1cyclictest2637-21cat08:30:213
221459997,1cyclictest25529-21cat10:15:163
221459997,1cyclictest23070-21chrt12:12:003
221459997,1cyclictest22783-21tr08:10:133
221459997,1cyclictest217742sleep308:06:033
221459997,1cyclictest19260-21chrt08:02:423
221459997,1cyclictest15414-21head09:55:223
221459997,1cyclictest10455-21chrt09:49:073
221459990,8cyclictest8785-21taskset07:44:223
221459990,8cyclictest4647-21chrt10:37:323
221459990,8cyclictest26343-21ls11:20:013
221449997,1cyclictest3589-21cat12:35:242
221449997,1cyclictest29510-21which08:20:212
221449997,1cyclictest28320-21chrt12:21:072
221449997,1cyclictest25839-21tr07:15:112
221449997,1cyclictest25804-21cat11:15:232
221449997,1cyclictest23069-21sed09:10:162
221449997,1cyclictest13333-21fgrep07:50:202
221449997,1cyclictest10428-21grep11:50:132
221449990,4cyclictest0-21swapper/207:25:122
11959190,0ptp4l0-21swapper/308:29:283
11959190,0ptp4l0-21swapper/212:32:492
11959190,0ptp4l0-21swapper/212:06:252
11959190,0ptp4l0-21swapper/212:03:002
11959190,0ptp4l0-21swapper/211:55:052
11959190,0ptp4l0-21swapper/211:45:392
11959190,0ptp4l0-21swapper/211:40:502
11959190,0ptp4l0-21swapper/211:36:212
11959190,0ptp4l0-21swapper/211:31:332
11959190,0ptp4l0-21swapper/211:21:042
11959190,0ptp4l0-21swapper/211:11:312
11959190,0ptp4l0-21swapper/210:57:362
11959190,0ptp4l0-21swapper/210:43:062
11959190,0ptp4l0-21swapper/210:30:082
11959190,0ptp4l0-21swapper/210:16:212
11959190,0ptp4l0-21swapper/210:09:422
11959190,0ptp4l0-21swapper/209:50:082
11959190,0ptp4l0-21swapper/209:33:332
11959190,0ptp4l0-21swapper/209:25:092
11959190,0ptp4l0-21swapper/209:20:452
11959190,0ptp4l0-21swapper/209:05:042
11959190,0ptp4l0-21swapper/208:56:272
11959190,0ptp4l0-21swapper/208:45:382
11959190,0ptp4l0-21swapper/208:31:362
11959190,0ptp4l0-21swapper/208:13:022
11959190,0ptp4l0-21swapper/208:00:382
11959190,0ptp4l0-21swapper/207:40:242
11959190,0ptp4l0-21swapper/207:38:212
26572280,0sleep30-21swapper/311:20:113
221459986,1cyclictest981-21cat09:30:163
221459986,1cyclictest9450-21cat07:45:153
221459986,1cyclictest8079-21cat11:45:153
221459986,1cyclictest6238-21cat07:40:013
221459986,1cyclictest5133-21ls11:40:153
221459986,1cyclictest343-21sed11:30:173
221459986,1cyclictest32267-21cut10:30:133
221459986,1cyclictest31744-21tr12:30:133
221459986,1cyclictest30390-21cat10:25:143
221459986,1cyclictest30332-21chrt07:20:593
221459986,1cyclictest2967-21cat07:30:233
221459986,1cyclictest2947-21cat11:35:153
221459986,1cyclictest28743-21grep09:20:193
221459986,1cyclictest28143-21tr08:20:143
221459986,1cyclictest27988-21timerandwakeup12:20:203
221459986,1cyclictest26936-21aten_r9power_cu10:20:123
221459986,1cyclictest26362-21ls08:15:193
221459986,1cyclictest25672-21cut09:15:173
221459986,1cyclictest25630-21chrt12:15:523
221459986,1cyclictest25342-21timerwakeupswit07:15:023
221459986,1cyclictest23813-21cut07:10:193
221459986,1cyclictest235132sleep310:11:323
221459986,1cyclictest22567-21tune2fs09:10:133
221459986,1cyclictest21661-21expr11:10:133
221459986,1cyclictest209292sleep310:07:293
221459986,1cyclictest19201-21sort11:05:143
221459986,1cyclictest18340-21cut12:05:143
221459986,1cyclictest182142sleep310:01:373
221459986,1cyclictest17182-21cat11:00:173
221459986,1cyclictest15574-21chrt12:00:073
221459986,1cyclictest143392sleep307:55:013
221459986,1cyclictest14129-21aten2.4-expect08:55:123
221459986,1cyclictest13402-21expr11:55:163
221459986,1cyclictest13075-21basename10:55:123
221459986,1cyclictest11562-21ls08:50:123
221459986,1cyclictest10910-21grep09:50:133
221459986,1cyclictest10586-21cat11:50:133
221459986,1cyclictest10373-21taskset10:50:023
221449986,1cyclictest9075-21basename07:45:122
221449986,1cyclictest3667-21cat07:35:002
221449986,1cyclictest29754-21cat10:25:122
221449986,1cyclictest23995-21expr12:15:132
11959180,0ptp4l0-21swapper/309:28:163
11959180,0ptp4l0-21swapper/209:55:582
11959180,0ptp4l0-21swapper/208:35:132
221459976,1cyclictest32256-21ntpq07:25:173
221459975,1cyclictest8690-21acpi08:45:133
221459975,1cyclictest6085-21cut08:40:113
221459975,1cyclictest5708-21grep09:40:123
221459975,1cyclictest18214-21cut09:00:203
221459975,1cyclictest12109-21expr07:50:133
221459971,2cyclictest0-21swapper/312:25:113
221459964,1cyclictest2028-21tr12:35:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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