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2026-06-23 - 10:29
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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 Tue Jun 23, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164562210159,25sleep30-21swapper/319:09:533
164142208174,22sleep10-21swapper/119:09:171
163632202158,25sleep20-21swapper/219:08:392
162542197157,26sleep00-21swapper/019:07:120
30772730,0sleep121-21ksoftirqd/123:10:401
326472640,2sleep09-21ksoftirqd/022:24:290
235422170,0sleep00-21swapper/019:20:180
1655799170,16cyclictest0-21swapper/000:00:220
319012140,0sleep00-21swapper/019:40:120
319012140,0sleep00-21swapper/019:40:110
16557991312,1cyclictest9-21ksoftirqd/023:40:010
1655799129,1cyclictest9-21ksoftirqd/020:05:000
1655799123,4cyclictest27412-21date00:30:010
16557991210,1cyclictest9-21ksoftirqd/022:50:110
16557991210,1cyclictest9-21ksoftirqd/022:45:120
16557991210,1cyclictest9-21ksoftirqd/021:30:000
16557991210,1cyclictest9-21ksoftirqd/021:10:000
16575991110,1cyclictest28-21ksoftirqd/222:52:472
1655799119,1cyclictest9-21ksoftirqd/020:05:000
1655799112,4cyclictest3521-21perf21:45:010
253382100,0sleep30-21swapper/322:58:013
1657599104,5cyclictest31405-21taskset23:05:202
1657599102,2cyclictest0-21swapper/200:05:142
1655799109,1cyclictest9-21ksoftirqd/023:50:140
1655799109,1cyclictest9-21ksoftirqd/023:45:140
1655799109,1cyclictest9-21ksoftirqd/023:15:110
1655799109,1cyclictest9-21ksoftirqd/023:10:200
1655799109,1cyclictest9-21ksoftirqd/021:35:200
1655799109,1cyclictest9-21ksoftirqd/000:30:160
1655799108,1cyclictest9-21ksoftirqd/023:05:000
1655799108,1cyclictest9-21ksoftirqd/020:55:010
1655799108,1cyclictest9-21ksoftirqd/020:15:000
1655799100,6cyclictest17307-21ssh21:20:110
165839990,8cyclictest12889-21sshd21:14:223
165839990,8cyclictest11085-21apt-config20:05:003
165759999,0cyclictest28-21ksoftirqd/200:27:382
165759998,1cyclictest28-21ksoftirqd/222:20:122
165579999,0cyclictest9-21ksoftirqd/022:10:110
165579999,0cyclictest9-21ksoftirqd/000:06:260
165579998,1cyclictest9-21ksoftirqd/022:30:000
165579998,1cyclictest9-21ksoftirqd/021:15:180
165579997,1cyclictest9-21ksoftirqd/022:30:130
165579997,1cyclictest9-21ksoftirqd/021:15:000
165579997,1cyclictest9-21ksoftirqd/020:25:000
165579997,1cyclictest9-21ksoftirqd/000:10:130
165579991,6cyclictest240-21systemd-journal23:30:570
165579991,6cyclictest240-21systemd-journal23:30:570
165839987,1cyclictest8238-21gltestperf21:05:173
165839987,1cyclictest561-21nscd23:25:383
165839984,2cyclictest16549-21cyclictest21:54:323
165839981,5cyclictest0-21swapper/300:00:213
165839980,5cyclictest27688-21/usr/sbin/munin23:45:143
165839980,2cyclictest0-21swapper/322:15:573
165759987,1cyclictest28-21ksoftirqd/222:32:372
165759986,1cyclictest61650irq/122-eno121:30:002
165759985,1cyclictest61650irq/122-eno122:36:442
165759981,6cyclictest18955-21munin-node23:37:392
165679980,4cyclictest0-21swapper/100:10:161
165579987,1cyclictest9-21ksoftirqd/023:20:180
165579987,1cyclictest9-21ksoftirqd/023:05:140
165579987,1cyclictest9-21ksoftirqd/021:45:100
165579987,1cyclictest9-21ksoftirqd/000:20:180
165579986,1cyclictest9-21ksoftirqd/019:30:000
165579981,6cyclictest17931-21ssh00:15:190
165579980,7cyclictest25585-21ssh21:30:130
165579980,7cyclictest11649-21ssh22:40:090
8330270,0sleep00-21swapper/022:35:140
26921270,0sleep20-21swapper/220:35:172
22465270,0sleep30-21swapper/323:38:263
165839976,1cyclictest31129-21ntpq23:05:183
165839976,1cyclictest14261-21sh21:59:073
165839975,1cyclictest7963-21ssh22:35:073
165839975,1cyclictest5142-21aten_r1power_cu21:00:123
165839975,1cyclictest23579-21ssh00:24:393
165839975,1cyclictest19589-21ssh21:21:393
165839975,1cyclictest16340-21ssh21:18:223
165839975,1cyclictest12629-21ssh00:09:433
165839972,4cyclictest9602-21diskmemload21:30:163
165839972,3cyclictest9602-21diskmemload23:10:143
165839970,5cyclictest0-21swapper/322:50:103
165839970,5cyclictest0-21swapper/320:20:003
165839970,1cyclictest0-21swapper/319:55:143
165759977,0cyclictest0-21swapper/221:17:582
165759976,1cyclictest7155-21sensors00:00:212
165759976,1cyclictest61650irq/122-eno123:40:572
165759976,1cyclictest61650irq/122-eno122:45:212
165759976,1cyclictest61650irq/122-eno122:09:482
165759976,1cyclictest61650irq/122-eno121:41:282
165759976,1cyclictest61650irq/122-eno121:13:122
165759976,1cyclictest61650irq/122-eno119:55:112
165759976,1cyclictest61650irq/122-eno119:50:212
165759976,1cyclictest61650irq/122-eno119:10:132
165759976,1cyclictest61650irq/122-eno100:37:042
165759976,0cyclictest61650irq/122-eno123:56:192
165759976,0cyclictest61650irq/122-eno123:25:482
165759976,0cyclictest61650irq/122-eno123:15:192
165759975,1cyclictest9633-21ntpq23:20:172
165759975,1cyclictest61650irq/122-eno123:50:202
165759975,1cyclictest61650irq/122-eno123:30:122
165759975,1cyclictest61650irq/122-eno123:30:122
165759975,1cyclictest61650irq/122-eno100:15:122
165759973,2cyclictest240-21systemd-journal21:52:102
165759973,1cyclictest240-21systemd-journal22:59:412
165759971,4cyclictest0-21swapper/222:03:582
165759970,5cyclictest0-21swapper/223:10:122
165759970,3cyclictest0-21swapper/200:24:292
165759970,2cyclictest0-21swapper/221:20:212
165759970,1cyclictest0-21swapper/200:12:402
165679970,6cyclictest0-21swapper/123:20:161
165679970,4cyclictest0-21swapper/121:12:081
165579977,0cyclictest9-21ksoftirqd/022:05:220
165579976,1cyclictest9-21ksoftirqd/020:40:130
165579975,1cyclictest11214-21apt-get21:55:100
165579971,5cyclictest31812-21ssh00:35:140
165579970,6cyclictest3062-21ssh23:55:160
165579970,6cyclictest21033-21/usr/sbin/munin20:25:200
165579970,6cyclictest14854-21ssh22:00:090
165579970,6cyclictest10317-21ssh21:53:120
165579970,6cyclictest0-21swapper/022:15:140
165579970,1cyclictest23853-21ssh22:55:180
165839965,1cyclictest7305-21ssh23:17:263
165839965,1cyclictest6837-21ssh22:32:263
165839965,1cyclictest3886-21ssh21:45:043
165839965,1cyclictest341-21ssh23:50:583
165839965,1cyclictest3317-21ssh22:27:493
165839965,1cyclictest30005-21ntpq21:35:193
165839965,1cyclictest29842-21ssh00:31:353
165839965,1cyclictest28287-21sensors19:30:193
165839965,1cyclictest1653-21ssh21:40:203
165839965,1cyclictest14915-21ssh00:10:423
165839965,1cyclictest10963-21ssh23:22:253
165839964,1cyclictest733-21sshd23:01:223
165839964,1cyclictest559-21cron19:15:003
165839964,1cyclictest35-21ksoftirqd/320:50:413
165839964,1cyclictest31287-21apt-get00:35:123
165839964,0cyclictest9602-21diskmemload00:16:483
165839963,2cyclictest26649-21latency_hist19:30:003
165839963,0cyclictest11655-21apt-get22:40:113
165839962,2cyclictest0-21swapper/323:30:123
165839962,2cyclictest0-21swapper/323:30:113
165839962,1cyclictest9602-21diskmemload22:08:023
165839961,3cyclictest17527-21ls20:15:193
165839961,2cyclictest240-21systemd-journal19:39:073
165839961,1cyclictest24336-21hddtemp_smartct23:40:153
165839960,3cyclictest9602-21diskmemload22:11:323
165839960,3cyclictest0-21swapper/320:25:123
165839960,2cyclictest29790-21cstates22:20:123
165839960,2cyclictest240-21systemd-journal21:00:013
165839960,2cyclictest0-21swapper/323:56:283
165839960,2cyclictest0-21swapper/322:45:113
165839960,0cyclictest9602-21diskmemload00:27:083
165759966,0cyclictest61650irq/122-eno123:00:442
165759966,0cyclictest61650irq/122-eno122:25:042
165759966,0cyclictest61650irq/122-eno122:10:042
165759966,0cyclictest61650irq/122-eno121:35:212
165759966,0cyclictest61650irq/122-eno121:05:132
165759966,0cyclictest61650irq/122-eno121:00:152
165759966,0cyclictest61650irq/122-eno120:49:162
165759966,0cyclictest61650irq/122-eno120:01:312
165759966,0cyclictest61650irq/122-eno119:25:152
165759965,1cyclictest61650irq/122-eno121:55:142
165759965,1cyclictest61650irq/122-eno121:46:232
165759965,1cyclictest61650irq/122-eno119:35:152
165759965,1cyclictest24263-21cat20:30:152
165759964,1cyclictest61650irq/122-eno122:15:122
165759962,2cyclictest9602-21diskmemload23:45:132
165759962,2cyclictest0-21swapper/200:31:302
165759961,1cyclictest0-21swapper/220:10:222
165759960,1cyclictest26600-21cat21:30:212
165759960,0cyclictest0-21swapper/222:40:082
165679961,3cyclictest0-21swapper/123:00:131
165679961,3cyclictest0-21swapper/121:05:211
165679960,5cyclictest0-21swapper/123:40:121
165679960,5cyclictest0-21swapper/100:05:161
165679960,4cyclictest0-21swapper/122:50:201
165679960,4cyclictest0-21swapper/122:42:151
165679960,4cyclictest0-21swapper/122:36:321
165679960,4cyclictest0-21swapper/122:16:551
165679960,4cyclictest0-21swapper/119:52:581
165679960,3cyclictest0-21swapper/121:20:141
165679960,3cyclictest0-21swapper/100:21:211
165679960,0cyclictest0-21swapper/122:14:341
165579966,0cyclictest30644-21sensors19:35:200
165579965,1cyclictest9-21ksoftirqd/023:25:140
165579965,1cyclictest9-21ksoftirqd/020:35:140
165579965,1cyclictest9-21ksoftirqd/019:57:100
165579965,1cyclictest24279-21cat20:30:160
165579964,1cyclictest9-21ksoftirqd/020:55:150
165579964,1cyclictest9-21ksoftirqd/019:15:130
165579964,1cyclictest6843-21grep21:00:210
165579964,1cyclictest16819-21telnet19:10:120
165579962,2cyclictest240-21systemd-journal23:40:120
165579961,2cyclictest0-21swapper/020:15:090
165579960,6cyclictest0-21swapper/019:30:110
165579960,5cyclictest0-21swapper/020:45:140
165579960,0cyclictest0-21swapper/019:45:120
165839955,0cyclictest19523-21kworker/3:219:15:213
165839955,0cyclictest0-21swapper/319:50:133
165839954,1cyclictest29279-21ntpq20:40:173
165839953,1cyclictest1529-21taskset19:45:023
165839953,1cyclictest11889-21df_inode20:05:133
165839951,1cyclictest22987-21users21:25:223
165839950,5cyclictest0-21swapper/322:02:253
165839950,4cyclictest25735-21taskset20:35:093
165839950,4cyclictest15849-21latency_hist20:15:003
165839950,2cyclictest24804-21/usr/sbin/munin20:30:203
165839950,2cyclictest1315-21perf19:45:013
165839950,2cyclictest1315-21perf19:45:003
165759955,0cyclictest61650irq/122-eno120:05:162
165759955,0cyclictest61650irq/122-eno119:45:132
165759955,0cyclictest61650irq/122-eno119:40:132
165759955,0cyclictest61650irq/122-eno119:40:132
165759954,1cyclictest61650irq/122-eno120:55:192
165759953,1cyclictest637-21cut20:50:122
165759953,1cyclictest21609-21cut20:25:152
165759952,2cyclictest19528-21tail19:15:012
165759950,4cyclictest22177-21/usr/sbin/munin19:20:142
165759950,4cyclictest17742-21unixbench_multi20:15:192
165759950,2cyclictest26887-21apt-get19:30:112
165759950,2cyclictest240-21systemd-journal20:40:082
165759950,1cyclictest0-21swapper/220:20:122
165679955,0cyclictest0-21swapper/123:25:421
165679955,0cyclictest0-21swapper/123:07:551
165679955,0cyclictest0-21swapper/122:58:541
165679955,0cyclictest0-21swapper/121:49:111
165679953,1cyclictest186742sleep120:20:111
165679953,1cyclictest0-21swapper/122:25:111
165679951,2cyclictest0-21swapper/120:05:001
165679951,2cyclictest0-21swapper/100:00:141
165679951,1cyclictest0-21swapper/121:25:221
165679950,5cyclictest0-21swapper/121:35:161
165679950,5cyclictest0-21swapper/119:13:071
165679950,4cyclictest0-21swapper/100:30:181
165679950,3cyclictest0-21swapper/123:45:201
165679950,3cyclictest0-21swapper/122:46:081
165679950,3cyclictest0-21swapper/122:32:211
165679950,3cyclictest0-21swapper/100:29:461
165679950,2cyclictest0-21swapper/123:37:271
165679950,2cyclictest0-21swapper/122:07:261
165679950,2cyclictest0-21swapper/121:55:101
165679950,2cyclictest0-21swapper/121:15:111
165679950,2cyclictest0-21swapper/100:37:111
165679950,2cyclictest0-21swapper/100:19:131
165679950,0cyclictest0-21swapper/122:00:121
165579950,2cyclictest240-21systemd-journal19:50:000
28730240,0sleep10-21swapper/119:31:361
165839942,1cyclictest30568-21/usr/sbin/munin20:45:133
165839941,1cyclictest22390-21/usr/sbin/munin19:20:123
165679944,0cyclictest0-21swapper/120:08:541
165679944,0cyclictest0-21swapper/119:58:211
165679942,2cyclictest0-21swapper/120:25:121
165679942,1cyclictest4432-21chrt23:57:101
165679941,1cyclictest0-21swapper/123:30:131
165679941,1cyclictest0-21swapper/123:30:131
165679941,1cyclictest0-21swapper/121:00:111
165679940,4cyclictest0-21swapper/120:55:111
165679940,4cyclictest0-21swapper/120:12:551
165679940,3cyclictest0-21swapper/122:20:221
165679940,3cyclictest0-21swapper/120:50:141
165679940,3cyclictest0-21swapper/120:35:111
165679940,3cyclictest0-21swapper/120:20:001
165679940,3cyclictest0-21swapper/119:45:011
165679940,3cyclictest0-21swapper/119:45:011
165679940,3cyclictest0-21swapper/119:35:121
165679940,2cyclictest0-21swapper/123:50:441
165679940,2cyclictest0-21swapper/121:50:071
165679940,2cyclictest0-21swapper/121:40:501
165679940,2cyclictest0-21swapper/120:45:131
165679940,2cyclictest0-21swapper/120:40:131
165679940,2cyclictest0-21swapper/119:50:011
165679940,2cyclictest0-21swapper/119:25:101
165679940,1cyclictest0-21swapper/121:31:271
165679940,1cyclictest0-21swapper/119:20:101
165679940,0cyclictest0-21swapper/123:15:241
165679930,1cyclictest0-21swapper/120:30:121
165679930,1cyclictest0-21swapper/119:15:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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