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2026-09-16 - 03:01
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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
Characteristics of the highest latencies:
System rack1slot1.osadl.org (updated Wed Sep 16, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28092232156,24sleep00-21swapper/019:09:130
27352207149,46sleep30-21swapper/319:08:163
28362205140,21sleep20-21swapper/219:09:342
28522200162,25sleep10-21swapper/119:09:451
243342160,0sleep121-21ksoftirqd/121:00:181
242832160,0sleep00-21swapper/023:21:520
231782160,0sleep10-21swapper/122:35:101
304292140,0sleep30-21swapper/300:17:063
296499130,12cyclictest28026-21diskmemload00:35:142
295699130,12cyclictest0-21swapper/123:55:151
296499120,0cyclictest0-21swapper/221:47:232
2945991210,1cyclictest9-21ksoftirqd/020:30:000
297299119,1cyclictest35-21ksoftirqd/323:45:003
2972991110,1cyclictest15411-21idleruntime-cro19:34:593
2964991111,0cyclictest28-21ksoftirqd/222:50:172
2964991110,1cyclictest28-21ksoftirqd/223:40:002
2964991110,1cyclictest28-21ksoftirqd/222:20:012
2964991110,1cyclictest28-21ksoftirqd/221:55:122
2964991110,1cyclictest28-21ksoftirqd/221:15:002
297299101,5cyclictest561-21nscd00:30:453
296499108,1cyclictest28-21ksoftirqd/222:05:132
2964991010,0cyclictest0-21swapper/223:45:262
294599102,4cyclictest15452-21sed19:34:590
29729998,1cyclictest35-21ksoftirqd/323:55:013
29649999,0cyclictest0-21swapper/222:49:382
29649998,1cyclictest7485-21awk21:25:182
29649998,1cyclictest28-21ksoftirqd/223:25:162
29649998,1cyclictest28-21ksoftirqd/222:40:142
29649998,1cyclictest28-21ksoftirqd/221:00:012
29649998,1cyclictest28-21ksoftirqd/221:00:002
29649998,1cyclictest28-21ksoftirqd/219:35:012
29649997,1cyclictest28-21ksoftirqd/220:15:112
29649990,6cyclictest28026-21diskmemload22:25:112
29459998,1cyclictest9-21ksoftirqd/023:00:010
29729987,1cyclictest35-21ksoftirqd/322:45:143
29729987,1cyclictest35-21ksoftirqd/321:55:013
29729987,1cyclictest35-21ksoftirqd/321:45:013
29729987,1cyclictest35-21ksoftirqd/320:55:013
29729987,1cyclictest35-21ksoftirqd/320:45:013
29729987,1cyclictest35-21ksoftirqd/320:00:013
29729987,1cyclictest35-21ksoftirqd/319:39:593
29729987,1cyclictest35-21ksoftirqd/319:15:003
29729982,5cyclictest2942-21cyclictest23:26:213
29649988,0cyclictest28-21ksoftirqd/223:40:132
29649987,1cyclictest28-21ksoftirqd/221:30:132
29649987,1cyclictest28-21ksoftirqd/219:55:012
29649987,1cyclictest28-21ksoftirqd/219:15:022
29649987,1cyclictest28-21ksoftirqd/200:20:132
29649986,1cyclictest61650irq/122-eno120:25:142
29649986,1cyclictest61650irq/122-eno100:10:122
29649986,1cyclictest28-21ksoftirqd/221:05:102
29649986,1cyclictest28-21ksoftirqd/221:00:172
29649986,1cyclictest11301-21snmpd20:52:542
29649986,1cyclictest11301-21snmpd19:28:532
29649986,1cyclictest11301-21snmpd19:20:482
29649985,2cyclictest61650irq/122-eno121:43:322
29649984,2cyclictest0-21swapper/223:20:562
29649983,2cyclictest548-21systemd-logind00:09:082
29649981,6cyclictest11543-21apt-get20:35:122
29459987,1cyclictest561-21nscd21:51:570
29459986,1cyclictest11301-21snmpd23:44:110
29459986,1cyclictest11301-21snmpd21:20:360
29459986,1cyclictest11301-21snmpd20:03:100
29459986,1cyclictest11301-21snmpd19:24:270
29459984,2cyclictest11301-21snmpd20:47:500
29459981,6cyclictest15071-21ssh23:10:100
29459980,7cyclictest2281-21ssh23:36:120
29459980,7cyclictest20086-21ssh00:02:190
29459980,4cyclictest22519-21ls19:50:000
12946280,0sleep00-21swapper/021:33:540
31554270,0sleep00-21swapper/020:05:240
29729976,1cyclictest35-21ksoftirqd/321:10:013
29729976,1cyclictest35-21ksoftirqd/320:30:003
29729976,1cyclictest11301-21snmpd22:42:183
29729975,2cyclictest28026-21diskmemload23:06:063
29729975,1cyclictest873-21ntpq20:10:193
29729975,1cyclictest29578-21perf20:05:003
29729975,1cyclictest11301-21snmpd19:44:343
29729975,1cyclictest11301-21snmpd00:11:303
29729974,1cyclictest28026-21diskmemload23:46:333
29729972,3cyclictest28026-21diskmemload23:15:153
29729971,5cyclictest21170-21apt-get00:05:113
29729970,7cyclictest15143-21ssh22:22:363
29729970,4cyclictest24018-21apt-get21:50:113
29729970,4cyclictest0-21swapper/322:55:183
29729970,2cyclictest0-21swapper/323:57:083
29729970,2cyclictest0-21swapper/321:23:273
29649977,0cyclictest5515-21kworker/2:121:22:572
29649977,0cyclictest0-21swapper/223:10:212
29649976,1cyclictest61650irq/122-eno122:55:572
29649976,1cyclictest61650irq/122-eno122:10:122
29649976,1cyclictest28-21ksoftirqd/222:35:122
29649976,1cyclictest28-21ksoftirqd/200:25:132
29649976,1cyclictest28-21ksoftirqd/200:15:152
29649975,1cyclictest61650irq/122-eno123:55:162
29649975,1cyclictest61650irq/122-eno123:30:272
29649975,1cyclictest28-21ksoftirqd/223:03:532
29649975,1cyclictest28-21ksoftirqd/220:30:142
29649975,1cyclictest28-21ksoftirqd/220:25:002
29649975,1cyclictest28-21ksoftirqd/219:45:142
29649975,1cyclictest22042-21ssh22:32:262
29649975,1cyclictest11301-21snmpd21:50:052
29649971,5cyclictest28026-21diskmemload21:35:152
29649970,4cyclictest0-21swapper/200:00:122
29569971,6cyclictest0-21swapper/122:07:591
29569971,6cyclictest0-21swapper/121:37:101
29569971,6cyclictest0-21swapper/119:46:551
29569971,2cyclictest0-21swapper/100:10:101
29569970,4cyclictest0-21swapper/123:45:401
29569970,4cyclictest0-21swapper/122:42:251
29569970,1cyclictest0-21swapper/100:35:511
29459976,1cyclictest9745-21telnet00:35:130
29459976,1cyclictest384-1kworker/u9:022:52:560
29459976,1cyclictest17223-21ssh22:25:160
29459975,1cyclictest30531-21ssh21:12:070
29459975,1cyclictest20655-21memory22:30:160
29459975,1cyclictest11301-21snmpd22:20:080
29459975,1cyclictest11301-21snmpd20:59:350
29459975,1cyclictest11301-21snmpd20:59:350
29459975,1cyclictest11301-21snmpd20:35:000
29459975,1cyclictest11301-21snmpd00:11:570
29459975,1cyclictest0-21swapper/023:25:140
29459974,2cyclictest5523-21apt-get22:10:130
29459974,2cyclictest11301-21snmpd19:36:040
29459971,0cyclictest9754-21ssh23:47:480
29459970,6cyclictest6572-21ssh21:25:140
29459970,6cyclictest30458-21ssh00:17:110
29459970,6cyclictest28026-21diskmemload23:30:090
29459970,6cyclictest28026-21diskmemload21:46:190
29459970,6cyclictest27343-21latency_hist20:00:000
29459970,6cyclictest19702-21/usr/sbin/munin19:40:230
29459970,6cyclictest16256-21ssh23:56:120
29459970,6cyclictest15481-21ssh21:35:490
29459970,6cyclictest14041-21telnet20:40:130
29459970,6cyclictest0-21swapper/023:50:140
29459970,6cyclictest0-21swapper/021:40:040
29459970,1cyclictest8627-21diskstats23:00:110
29459970,1cyclictest31552-21sh00:20:010
29459970,1cyclictest30103-21apt-get22:45:120
29459970,1cyclictest28026-21diskmemload23:05:290
29459970,1cyclictest27779-21ntpq22:40:180
29459970,1cyclictest27310-21smartctl21:05:180
29459970,1cyclictest24097-21latency22:35:150
29459970,1cyclictest0-21swapper/022:15:420
29459970,1cyclictest0-21swapper/021:55:380
29459970,1cyclictest0-21swapper/000:29:270
29729966,0cyclictest0-21swapper/320:55:183
29729966,0cyclictest0-21swapper/320:55:173
29729965,1cyclictest8435-21ssh21:25:413
29729965,1cyclictest35-21ksoftirqd/322:15:013
29729965,1cyclictest22762-21ssh21:46:453
29729965,1cyclictest22166-21ssh23:20:123
29729965,1cyclictest21573-21ssh22:30:533
29729965,1cyclictest16097-21ssh21:37:523
29729965,1cyclictest12053-21ssh21:30:513
29729965,1cyclictest11091-21ssh23:04:163
29729965,1cyclictest10222-21missed_timers20:30:163
29729964,1cyclictest35-21ksoftirqd/319:50:533
29729964,1cyclictest2667-21apt-get00:25:113
29729964,1cyclictest17055-21cat22:25:153
29729964,1cyclictest11301-21snmpd21:00:123
29729964,1cyclictest11301-21snmpd20:46:413
29729963,2cyclictest4481-21apt-get20:20:133
29729963,1cyclictest240-21systemd-journal22:35:003
29729961,4cyclictest1777-21sh21:17:163
29729961,3cyclictest28026-21diskmemload00:04:323
29729961,3cyclictest0-21swapper/322:00:193
29729960,5cyclictest28026-21diskmemload00:22:043
29729960,3cyclictest32680-21dpkg23:35:133
29729960,3cyclictest0-21swapper/322:08:313
29729960,2cyclictest0-21swapper/321:10:143
29729960,1cyclictest0-21swapper/323:10:163
29649966,0cyclictest61650irq/122-eno123:06:292
29649966,0cyclictest61650irq/122-eno122:00:082
29649966,0cyclictest61650irq/122-eno120:06:362
29649966,0cyclictest61650irq/122-eno120:00:122
29649966,0cyclictest61650irq/122-eno119:56:012
29649966,0cyclictest61650irq/122-eno119:40:192
29649966,0cyclictest61650irq/122-eno100:30:162
29649965,1cyclictest61650irq/122-eno123:50:152
29649965,1cyclictest61650irq/122-eno123:15:202
29649965,1cyclictest61650irq/122-eno122:15:062
29649965,1cyclictest61650irq/122-eno121:15:112
29649964,1cyclictest28-21ksoftirqd/220:45:152
29649964,1cyclictest11301-21snmpd19:14:532
29649964,1cyclictest0-21swapper/219:35:132
29569961,4cyclictest0-21swapper/100:20:161
29569960,6cyclictest0-21swapper/123:10:051
29569960,6cyclictest0-21swapper/122:28:381
29569960,6cyclictest0-21swapper/121:33:101
29569960,6cyclictest0-21swapper/120:17:341
29569960,6cyclictest0-21swapper/119:50:271
29569960,6cyclictest0-21swapper/119:38:511
29569960,5cyclictest0-21swapper/121:06:431
29569960,5cyclictest0-21swapper/120:55:161
29569960,5cyclictest0-21swapper/120:55:161
29569960,5cyclictest0-21swapper/120:44:481
29569960,4cyclictest0-21swapper/123:00:481
29569960,4cyclictest0-21swapper/121:56:211
29569960,3cyclictest0-21swapper/123:30:171
29569960,3cyclictest0-21swapper/123:05:201
29569960,3cyclictest0-21swapper/122:59:021
29569960,3cyclictest0-21swapper/100:15:101
29569960,2cyclictest0-21swapper/122:00:141
29569960,1cyclictest0-21swapper/123:22:491
29569960,1cyclictest0-21swapper/122:50:351
29569960,1cyclictest0-21swapper/120:35:351
29569960,0cyclictest0-21swapper/123:52:361
29569960,0cyclictest0-21swapper/100:25:191
29459965,1cyclictest1327-21ssh21:15:520
29459965,1cyclictest12432-21cat20:35:160
29459965,1cyclictest11301-21snmpd19:16:230
29459962,3cyclictest0-21swapper/020:20:170
29459962,0cyclictest0-21swapper/019:25:180
29459961,0cyclictest3952-21ssh22:05:450
29459960,6cyclictest29692-1kworker/u9:221:59:590
29459960,6cyclictest0-21swapper/021:00:180
29459960,6cyclictest0-21swapper/000:30:210
29459960,5cyclictest0-21swapper/020:50:110
29459960,0cyclictest28026-21diskmemload00:05:130
29459960,0cyclictest0-21swapper/023:15:160
29729955,0cyclictest26043-21kworker/3:020:36:423
29729954,1cyclictest5728-21sensors19:15:003
29729953,1cyclictest30304-21df20:05:153
29729953,1cyclictest22249-21seq19:47:043
29729953,1cyclictest10136-21diskstats00:35:143
29729953,1cyclictest0-21swapper/323:30:123
29729952,1cyclictest6038-21df_inode22:10:143
29729950,4cyclictest13056-21latency_hist19:30:003
29729950,2cyclictest1128-21apt-get22:50:103
29649954,1cyclictest28-21ksoftirqd/220:10:002
29649952,1cyclictest240-21systemd-journal20:40:002
29569955,0cyclictest0-21swapper/121:17:191
29569955,0cyclictest0-21swapper/100:31:081
29569952,1cyclictest27902-21chrt23:27:221
29569952,1cyclictest0-21swapper/122:20:021
29569951,2cyclictest0-21swapper/120:10:141
29569951,0cyclictest0-21swapper/121:40:111
29569950,5cyclictest0-21swapper/120:08:371
29569950,5cyclictest0-21swapper/119:26:091
29569950,4cyclictest0-21swapper/123:40:171
29569950,4cyclictest0-21swapper/119:55:171
29569950,4cyclictest0-21swapper/100:03:011
29569950,3cyclictest0-21swapper/121:25:191
29569950,3cyclictest0-21swapper/120:20:131
29569950,2cyclictest0-21swapper/122:46:521
29569950,2cyclictest0-21swapper/121:20:181
29569950,2cyclictest0-21swapper/121:10:111
29569950,1cyclictest0-21swapper/123:15:201
29569950,1cyclictest0-21swapper/121:50:121
29569950,0cyclictest0-21swapper/122:15:381
29569950,0cyclictest0-21swapper/122:10:111
29569950,0cyclictest0-21swapper/121:49:171
29569950,0cyclictest0-21swapper/120:47:531
29569950,0cyclictest0-21swapper/119:18:191
29459954,1cyclictest11301-21snmpd20:11:160
29459950,4cyclictest22721-21/usr/sbin/munin19:50:160
29459950,3cyclictest3772-21fschecks_time19:10:140
29459950,3cyclictest0-21swapper/020:15:100
29729942,1cyclictest8909-21cstates19:20:143
29729940,2cyclictest240-21systemd-journal20:14:593
29569944,0cyclictest0-21swapper/122:30:161
29569944,0cyclictest0-21swapper/120:30:011
29569941,1cyclictest0-21swapper/123:35:131
29569940,4cyclictest0-21swapper/120:25:321
29569940,4cyclictest0-21swapper/119:10:161
29569940,2cyclictest0-21swapper/120:50:121
29569940,2cyclictest0-21swapper/119:20:131
29569940,2cyclictest0-21swapper/100:05:141
29569940,0cyclictest0-21swapper/119:40:241
29569940,0cyclictest0-21swapper/119:34:061
29569930,2cyclictest0-21swapper/120:00:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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