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2026-06-19 - 01:32
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Fri Jun 19, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79622214149,22sleep20-21swapper/219:07:592
79212201162,25sleep10-21swapper/119:07:251
78022201161,26sleep30-21swapper/319:05:553
60032198159,26sleep00-21swapper/019:05:030
95492670,0sleep10-21swapper/121:20:131
196222670,0sleep00-21swapper/000:30:130
14502580,0sleep20-21swapper/220:00:132
168092560,0sleep10-21swapper/122:14:131
295002170,0sleep20-21swapper/223:15:142
8214991110,1cyclictest28-21ksoftirqd/222:34:142
819999113,4cyclictest13828-21grep19:20:000
821899100,7cyclictest21452-21kworker/u8:021:30:063
821499102,6cyclictest2595-21uptime00:05:222
821499100,8cyclictest0-21swapper/200:30:392
821499100,6cyclictest0-21swapper/200:27:402
82189996,1cyclictest35-21ksoftirqd/322:40:553
82189990,8cyclictest27747-21apt-get21:45:113
81999997,1cyclictest9-21ksoftirqd/019:40:000
81999992,4cyclictest0-21swapper/019:20:130
81999990,3cyclictest240-21systemd-journal22:40:000
12982290,0sleep01292-21diskmemload23:35:300
82189987,1cyclictest35-21ksoftirqd/319:37:163
82189986,1cyclictest35-21ksoftirqd/323:21:473
82189986,1cyclictest1029-21snmpd23:45:403
82189986,1cyclictest1029-21snmpd23:36:333
82189986,1cyclictest1029-21snmpd22:37:443
82189985,1cyclictest13650irq/124-ahci[0019:54:553
82189980,5cyclictest0-21swapper/320:40:103
82189980,4cyclictest0-21swapper/322:20:123
82149988,0cyclictest3829-21ssh23:25:082
82149986,1cyclictest61650irq/122-eno123:59:262
82149986,1cyclictest61650irq/122-eno123:30:152
82149986,1cyclictest6062-21timerwakeupswit00:10:202
82149986,1cyclictest1029-21snmpd22:46:562
82149986,1cyclictest1029-21snmpd22:12:192
82149983,2cyclictest240-21systemd-journal23:39:592
82149983,1cyclictest3830-21fschecks_time22:40:142
82149981,6cyclictest0-21swapper/220:07:042
82149980,1cyclictest0-21swapper/221:58:272
82099981,4cyclictest0-21swapper/119:50:091
81999987,1cyclictest4521-21ssh21:55:450
81999987,1cyclictest1029-21snmpd21:20:010
81999986,1cyclictest693-21runrttasks23:02:580
81999986,1cyclictest1029-21snmpd20:36:130
81999986,1cyclictest1029-21snmpd19:56:240
81999986,1cyclictest1029-21snmpd19:42:390
81999983,4cyclictest27656-21unixbench_singl23:55:220
81999982,4cyclictest0-21swapper/022:02:000
81999981,4cyclictest6644-21cat20:10:150
81999980,4cyclictest6619-21perf22:45:000
81999980,4cyclictest12486-21cat20:25:000
81999980,4cyclictest0-21swapper/022:05:110
81999980,1cyclictest4510-21ssh21:14:090
81999980,1cyclictest16562-21head00:25:180
82189976,1cyclictest693-21runrttasks19:25:213
82189976,1cyclictest21338-21cat21:35:153
82189976,1cyclictest1566-21cat20:00:143
82189976,1cyclictest1029-21snmpd21:26:143
82189976,1cyclictest1029-21snmpd21:14:413
82189976,1cyclictest1029-21snmpd20:08:503
82189975,1cyclictest27594-21ssh23:11:493
82189975,1cyclictest1747-21ntpd22:45:583
82189975,1cyclictest11072-21ssh00:18:473
82189975,1cyclictest1029-21snmpd21:59:273
82189975,1cyclictest1029-21snmpd21:22:173
82189975,1cyclictest1029-21snmpd00:00:373
82189974,1cyclictest35-21ksoftirqd/319:44:553
82189973,2cyclictest240-21systemd-journal22:14:593
82189973,2cyclictest1292-21diskmemload22:28:143
82189972,4cyclictest25934-21apt-get23:55:113
82189972,3cyclictest14365-21apt-get22:55:113
82189972,2cyclictest10415-21/usr/sbin/munin22:05:133
82189971,3cyclictest13885-21/usr/sbin/munin20:25:183
82189971,1cyclictest0-21swapper/322:18:503
82189970,4cyclictest0-21swapper/323:28:013
82189970,4cyclictest0-21swapper/300:10:173
82189970,3cyclictest0-21swapper/322:53:063
82189970,3cyclictest0-21swapper/321:42:243
82189970,2cyclictest0-21swapper/320:45:123
82189970,1cyclictest0-21swapper/300:25:123
82149976,1cyclictest61650irq/122-eno122:36:422
82149976,1cyclictest61650irq/122-eno122:26:342
82149976,1cyclictest61650irq/122-eno122:15:492
82149976,1cyclictest61650irq/122-eno121:45:112
82149976,1cyclictest61650irq/122-eno119:50:102
82149976,1cyclictest61650irq/122-eno119:25:112
82149976,1cyclictest561-21nscd21:55:002
82149976,1cyclictest28567-21sh23:14:412
82149975,1cyclictest28-21ksoftirqd/221:05:002
82149975,1cyclictest23327-21ssh21:38:392
82149975,1cyclictest1029-21snmpd22:05:252
82149975,1cyclictest1029-21snmpd21:24:172
82149970,2cyclictest0-21swapper/221:28:592
82099974,3cyclictest0-21swapper/122:25:111
82099972,3cyclictest0-21swapper/122:00:481
82099970,3cyclictest0-21swapper/122:55:221
82099970,3cyclictest0-21swapper/122:15:421
82099970,3cyclictest0-21swapper/121:27:191
82099970,1cyclictest0-21swapper/120:28:011
81999976,1cyclictest8012-21ntp_offset22:45:170
81999976,1cyclictest26901-21cat19:45:130
81999976,1cyclictest21975-21ssh21:35:210
81999976,1cyclictest1029-21snmpd20:30:510
81999975,1cyclictest31458-21ssh00:00:360
81999975,1cyclictest26487-21ntpq23:10:180
81999975,1cyclictest17401-21telnet22:15:120
81999975,1cyclictest1029-21snmpd23:27:330
81999975,1cyclictest1029-21snmpd21:05:470
81999975,1cyclictest1029-21snmpd20:06:240
81999975,1cyclictest0-21swapper/021:50:110
81999973,3cyclictest2953-1kworker/u9:200:21:140
81999971,5cyclictest29735-21ssh21:45:580
81999971,2cyclictest0-21swapper/020:15:140
81999970,6cyclictest30990-21seq23:16:040
81999970,6cyclictest27240-21ssh22:27:300
81999970,6cyclictest2602-21users00:05:210
81999970,6cyclictest23967-21sshd20:46:380
81999970,6cyclictest18937-21sshd21:31:410
81999970,6cyclictest15553-21ssh22:10:260
81999970,6cyclictest14630-21unixbench_singl21:25:230
81999970,6cyclictest14361-21/usr/sbin/munin22:55:140
81999970,6cyclictest13139-21sh22:52:170
81999970,6cyclictest1029-21snmpd23:30:200
81999970,6cyclictest0-21swapper/023:05:190
81999970,6cyclictest0-21swapper/021:01:250
81999970,6cyclictest0-21swapper/019:50:150
81999970,6cyclictest0-21swapper/000:10:120
81999970,4cyclictest3597-21perf23:25:000
81999970,1cyclictest25684-21ntp_states20:50:180
81999970,1cyclictest24940-21ssh23:53:310
81999970,1cyclictest19087-21fschecks_time23:45:150
81999970,1cyclictest17342-21ssh23:42:350
81999970,1cyclictest1292-21diskmemload21:19:260
81999970,1cyclictest0-21swapper/020:25:140
81999970,1cyclictest0-21swapper/019:11:030
82189965,1cyclictest9341-21ssh23:30:323
82189965,1cyclictest7410-21ssh21:16:383
82189965,1cyclictest6238-21ssh22:00:083
82189965,1cyclictest28309-21ssh22:30:033
82189965,1cyclictest24025-21ssh23:50:513
82189965,1cyclictest16905-21ssh23:41:163
82189965,1cyclictest1029-21snmpd23:00:593
82189965,1cyclictest1029-21snmpd20:38:253
82189965,1cyclictest1029-21snmpd20:12:543
82189963,2cyclictest12115-21cstates19:15:133
82189963,1cyclictest1292-21diskmemload21:54:273
82189962,2cyclictest1292-21diskmemload00:05:043
82189961,5cyclictest9697-21grep19:10:163
82189961,1cyclictest23627-21ssh23:05:503
82189960,1cyclictest0-21swapper/321:06:413
82149966,0cyclictest61650irq/122-eno123:45:302
82149966,0cyclictest61650irq/122-eno123:40:372
82149966,0cyclictest61650irq/122-eno123:05:172
82149966,0cyclictest61650irq/122-eno123:00:242
82149966,0cyclictest61650irq/122-eno122:57:092
82149966,0cyclictest61650irq/122-eno122:50:122
82149966,0cyclictest61650irq/122-eno122:20:112
82149966,0cyclictest61650irq/122-eno122:00:092
82149966,0cyclictest61650irq/122-eno121:40:572
82149966,0cyclictest61650irq/122-eno121:15:022
82149966,0cyclictest61650irq/122-eno121:10:212
82149966,0cyclictest61650irq/122-eno121:06:542
82149966,0cyclictest61650irq/122-eno120:58:122
82149966,0cyclictest61650irq/122-eno120:22:242
82149966,0cyclictest61650irq/122-eno119:40:082
82149966,0cyclictest61650irq/122-eno119:30:122
82149966,0cyclictest61650irq/122-eno119:16:172
82149966,0cyclictest61650irq/122-eno100:35:192
82149965,1cyclictest16588-21ssh21:30:012
82149965,1cyclictest1029-21snmpd20:15:392
82149965,1cyclictest1029-21snmpd00:20:202
82149964,1cyclictest693-21runrttasks19:48:302
82149963,2cyclictest31295-21sed00:00:262
82149963,1cyclictest240-21systemd-journal23:50:092
82149961,5cyclictest0-21swapper/219:55:032
82149960,6cyclictest0-21swapper/219:20:292
82149960,2cyclictest32629-21apt-get23:20:122
82149960,1cyclictest13847-21ntp_states20:25:162
82149960,1cyclictest0-21swapper/200:15:232
82099962,1cyclictest0-21swapper/119:15:191
82099961,5cyclictest0-21swapper/122:50:111
82099961,3cyclictest0-21swapper/123:55:121
82099961,3cyclictest0-21swapper/100:35:121
82099961,2cyclictest0-21swapper/123:51:381
82099960,6cyclictest0-21swapper/123:42:541
82099960,6cyclictest0-21swapper/122:42:181
82099960,6cyclictest0-21swapper/122:08:421
82099960,6cyclictest0-21swapper/121:55:001
82099960,6cyclictest0-21swapper/121:40:041
82099960,6cyclictest0-21swapper/121:14:301
82099960,6cyclictest0-21swapper/121:06:461
82099960,6cyclictest0-21swapper/121:01:311
82099960,6cyclictest0-21swapper/120:39:091
82099960,6cyclictest0-21swapper/120:12:181
82099960,6cyclictest0-21swapper/119:31:581
82099960,6cyclictest0-21swapper/100:31:381
82099960,6cyclictest0-21swapper/100:05:541
82099960,5cyclictest0-21swapper/121:15:261
82099960,5cyclictest0-21swapper/119:35:101
82099960,5cyclictest0-21swapper/119:22:321
82099960,5cyclictest0-21swapper/100:04:461
82099960,4cyclictest0-21swapper/123:37:531
82099960,4cyclictest0-21swapper/123:25:111
82099960,4cyclictest0-21swapper/122:38:091
82099960,3cyclictest0-21swapper/123:30:151
82099960,3cyclictest0-21swapper/123:25:011
82099960,3cyclictest0-21swapper/121:47:261
82099960,2cyclictest0-21swapper/122:20:121
82099960,2cyclictest0-21swapper/120:24:591
82099960,1cyclictest0-21swapper/123:05:171
82099960,0cyclictest0-21swapper/123:15:531
81999963,1cyclictest240-21systemd-journal20:45:000
81999960,6cyclictest0-21swapper/020:55:130
81999960,6cyclictest0-21swapper/019:27:040
81999960,5cyclictest0-21swapper/022:30:120
81999960,0cyclictest0-21swapper/022:20:100
81999960,0cyclictest0-21swapper/021:40:100
81999960,0cyclictest0-21swapper/000:35:040
81999960,0cyclictest0-21swapper/000:15:380
82189955,0cyclictest28280-21sensors20:55:203
82189955,0cyclictest11735-21sensors20:20:183
82189955,0cyclictest10800-21kworker/3:021:01:313
82189955,0cyclictest10800-21kworker/3:020:50:223
82189955,0cyclictest10800-21kworker/3:019:31:583
82189955,0cyclictest0-21swapper/320:15:183
82189954,1cyclictest23879-21ntpq00:35:183
82189954,1cyclictest21488-21ssh00:32:153
82189954,1cyclictest13519-21ssh00:20:223
82189953,1cyclictest1029-21snmpd19:20:083
82189950,1cyclictest0-21swapper/323:16:463
82149955,0cyclictest61650irq/122-eno120:45:152
82149954,1cyclictest61650irq/122-eno120:40:102
82149954,1cyclictest22444-21ntpq19:35:172
82149953,1cyclictest9251-21grep19:10:132
82149950,5cyclictest0-21swapper/220:50:072
82149950,5cyclictest0-21swapper/220:35:532
82149950,5cyclictest0-21swapper/220:10:122
82149950,4cyclictest15039-21/usr/sbin/munin20:30:172
82099955,0cyclictest0-21swapper/123:10:351
82099955,0cyclictest0-21swapper/123:00:021
82099955,0cyclictest0-21swapper/121:37:341
82099955,0cyclictest0-21swapper/121:31:071
82099954,1cyclictest0-21swapper/120:41:011
82099953,1cyclictest0-21swapper/122:45:161
82099951,3cyclictest0-21swapper/122:30:111
82099951,2cyclictest0-21swapper/121:59:041
82099951,2cyclictest0-21swapper/120:05:131
82099950,5cyclictest0-21swapper/120:16:461
82099950,3cyclictest0-21swapper/100:10:521
82099950,2cyclictest0-21swapper/119:40:111
82099950,2cyclictest0-21swapper/100:20:131
82099950,2cyclictest0-21swapper/100:16:311
82099950,0cyclictest0-21swapper/100:26:171
81999951,4cyclictest701-21telnet20:00:090
81999950,2cyclictest548-21systemd-logind19:30:170
82189943,1cyclictest32275-21cat19:55:193
82189942,1cyclictest26026-21apt-get19:45:103
82189940,1cyclictest0-21swapper/320:30:113
82099944,0cyclictest0-21swapper/120:58:151
82099941,2cyclictest0-21swapper/119:55:101
82099941,2cyclictest0-21swapper/119:25:111
82099941,1cyclictest0-21swapper/123:45:121
82099941,1cyclictest0-21swapper/119:45:131
82099940,4cyclictest0-21swapper/120:00:101
82099940,1cyclictest0-21swapper/120:50:121
82099940,1cyclictest0-21swapper/120:30:111
82099940,0cyclictest0-21swapper/120:49:571
82099931,1cyclictest0-21swapper/119:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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