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2026-07-08 - 01:49
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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 Jul 08, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216922207157,24sleep00-21swapper/019:08:530
214402206156,24sleep30-21swapper/319:05:393
217782200159,26sleep20-21swapper/219:10:002
214282198141,23sleep10-21swapper/119:05:281
314762700,0sleep10-21swapper/122:15:201
232692700,0sleep10-21swapper/122:05:111
10242680,0sleep20-21swapper/221:35:012
177252670,0sleep10-21swapper/121:56:101
290782650,0sleep10-21swapper/121:28:471
21872991511,2cyclictest9-21ksoftirqd/021:26:250
2188299140,13cyclictest0-21swapper/219:15:252
21882991312,1cyclictest28-21ksoftirqd/200:20:012
2188299130,12cyclictest0-21swapper/223:25:142
21872991311,1cyclictest9-21ksoftirqd/019:40:000
2187299130,12cyclictest0-21swapper/023:20:200
2187299123,4cyclictest2761-21latency_hist20:45:000
21872991211,1cyclictest9-21ksoftirqd/020:00:010
21872991210,1cyclictest9-21ksoftirqd/021:55:120
21872991210,1cyclictest9-21ksoftirqd/020:05:000
2188999119,1cyclictest23631-21apt-get20:20:123
2188299119,1cyclictest28-21ksoftirqd/222:40:012
2187299119,2cyclictest9-21ksoftirqd/020:55:110
2187299119,1cyclictest9-21ksoftirqd/023:10:150
2187299119,1cyclictest9-21ksoftirqd/022:15:210
2187299119,1cyclictest9-21ksoftirqd/020:19:590
2187299119,1cyclictest9-21ksoftirqd/000:10:130
21872991110,1cyclictest9-21ksoftirqd/023:35:150
21872991110,1cyclictest9-21ksoftirqd/023:20:000
21872991110,1cyclictest9-21ksoftirqd/023:00:180
2188999109,1cyclictest35-21ksoftirqd/319:30:003
2188299109,1cyclictest28-21ksoftirqd/221:00:002
2187299109,1cyclictest9-21ksoftirqd/023:51:480
2187299109,1cyclictest9-21ksoftirqd/022:10:100
2187299109,1cyclictest9-21ksoftirqd/022:00:140
2187299109,1cyclictest9-21ksoftirqd/000:04:300
2187299108,1cyclictest9-21ksoftirqd/021:00:130
2187299108,1cyclictest9-21ksoftirqd/020:55:010
2187299108,1cyclictest12241-21ssh22:35:050
218899997,1cyclictest22916-21latency_hist22:50:003
218829990,6cyclictest1535-21kworker/u8:022:51:302
218829990,3cyclictest0-21swapper/219:45:132
218759990,8cyclictest0-21swapper/120:35:151
218759990,1cyclictest0-21swapper/120:50:101
218729998,1cyclictest9-21ksoftirqd/022:25:120
218729998,1cyclictest9-21ksoftirqd/021:40:110
218729998,1cyclictest9-21ksoftirqd/000:25:200
218729997,1cyclictest9-21ksoftirqd/022:55:120
218729997,1cyclictest9-21ksoftirqd/000:25:010
218729991,4cyclictest23579-21perf00:20:000
218729990,6cyclictest561-21nscd20:25:090
218729990,6cyclictest23493-21aten2.4-expect22:50:140
218899986,1cyclictest35-21ksoftirqd/300:30:113
218899986,1cyclictest29885-21latency_hist22:15:003
218899980,4cyclictest14767-21diskmemload00:25:163
218899980,4cyclictest0-21swapper/300:08:213
218899980,0cyclictest0-21swapper/323:06:383
218829986,1cyclictest61650irq/122-eno123:20:172
218829986,1cyclictest61650irq/122-eno122:25:472
218829986,1cyclictest61650irq/122-eno121:56:222
218829986,1cyclictest61650irq/122-eno121:25:252
218829986,1cyclictest61650irq/122-eno100:25:122
218829986,1cyclictest28-21ksoftirqd/222:49:592
218829986,1cyclictest28-21ksoftirqd/200:21:262
218829986,1cyclictest16177-21ntpq21:10:172
218729988,0cyclictest9-21ksoftirqd/023:57:440
218729988,0cyclictest9-21ksoftirqd/021:15:160
218729987,1cyclictest9-21ksoftirqd/022:08:030
218729987,1cyclictest9-21ksoftirqd/021:52:490
218729987,1cyclictest9-21ksoftirqd/000:05:140
218729986,1cyclictest9-21ksoftirqd/023:45:210
218729986,1cyclictest9-21ksoftirqd/023:30:120
218729986,1cyclictest9-21ksoftirqd/022:30:150
218729986,1cyclictest9-21ksoftirqd/022:30:140
218729986,1cyclictest9-21ksoftirqd/022:20:120
218729983,4cyclictest22922-21munin-run22:49:590
218729980,7cyclictest1484-21cstates21:35:140
218729980,7cyclictest0-21swapper/023:25:150
218729980,7cyclictest0-21swapper/019:10:140
218729980,4cyclictest21067-21perf20:15:000
218729980,4cyclictest19320-21cat22:45:010
10788280,1sleep30-21swapper/322:31:263
10788280,1sleep30-21swapper/322:31:263
218899975,1cyclictest3096-21ssh21:35:493
218899975,1cyclictest25746-21ssh00:20:473
218899975,1cyclictest10960-21ssh23:15:363
218899974,2cyclictest16863-21ntp_states21:55:193
218899974,1cyclictest27936-21irqstats22:55:163
218899973,1cyclictest240-21systemd-journal22:02:103
218899972,3cyclictest23593-21/usr/sbin/munin23:35:123
218899971,3cyclictest15921-21apt-get22:40:113
218899971,3cyclictest0-21swapper/323:32:443
218899970,7cyclictest0-21swapper/320:04:483
218899970,6cyclictest8064-21ssh23:12:493
218899970,6cyclictest29014-21ssh21:28:383
218899970,4cyclictest0-21swapper/323:27:113
218829976,1cyclictest61650irq/122-eno123:45:172
218829976,1cyclictest61650irq/122-eno123:30:092
218829976,1cyclictest61650irq/122-eno122:40:162
218829976,1cyclictest61650irq/122-eno122:30:152
218829976,1cyclictest61650irq/122-eno122:30:142
218829976,1cyclictest61650irq/122-eno121:23:542
218829976,1cyclictest61650irq/122-eno120:40:152
218829976,1cyclictest61650irq/122-eno120:35:122
218829976,1cyclictest61650irq/122-eno100:35:132
218829976,1cyclictest28-21ksoftirqd/219:25:002
218829976,0cyclictest61650irq/122-eno123:58:422
218829976,0cyclictest61650irq/122-eno123:36:002
218829976,0cyclictest61650irq/122-eno123:05:162
218829975,1cyclictest61650irq/122-eno122:00:142
218829975,1cyclictest61650irq/122-eno121:15:162
218829975,1cyclictest28-21ksoftirqd/221:05:002
218829975,1cyclictest28-21ksoftirqd/220:10:132
218829974,1cyclictest61650irq/122-eno123:11:122
218829973,2cyclictest548-21systemd-logind22:15:212
218829970,6cyclictest0-21swapper/223:00:152
218829970,2cyclictest0-21swapper/219:50:112
218759970,6cyclictest0-21swapper/123:10:301
218759970,4cyclictest0-21swapper/100:20:021
218729977,0cyclictest9-21ksoftirqd/021:47:120
218729977,0cyclictest9-21ksoftirqd/021:30:140
218729977,0cyclictest9-21ksoftirqd/021:05:100
218729976,1cyclictest9-21ksoftirqd/019:15:010
218729976,0cyclictest9-21ksoftirqd/021:20:210
218729975,1cyclictest9-21ksoftirqd/020:45:120
218729975,1cyclictest3053-21ntp_states23:05:190
218729974,1cyclictest240-21systemd-journal00:38:290
218729970,6cyclictest0-21swapper/019:30:110
218729970,1cyclictest32262-21ssh00:30:180
30690260,1sleep030704-21aten_r1power_cu20:35:120
218899965,1cyclictest4178-21ssh23:51:203
218899965,1cyclictest4092-21ssh22:23:033
218899965,1cyclictest390-21ssh21:33:443
218899965,1cyclictest29182-21ssh23:40:483
218899965,1cyclictest25772-21ssh22:52:103
218899965,1cyclictest25098-21ssh21:23:223
218899965,1cyclictest2222-21ssh00:35:073
218899965,1cyclictest13171-21cat22:35:143
218899965,1cyclictest11508-21ssh21:49:153
218899964,1cyclictest35-21ksoftirqd/320:50:003
218899964,1cyclictest20173-21ssh00:15:103
218899963,1cyclictest548-21systemd-logind21:50:213
218899963,1cyclictest35-21ksoftirqd/321:05:253
218899963,1cyclictest35-21ksoftirqd/319:56:093
218899963,1cyclictest240-21systemd-journal20:55:553
218899963,1cyclictest240-21systemd-journal20:41:093
218899963,1cyclictest240-21systemd-journal20:31:233
218899963,1cyclictest240-21systemd-journal19:48:073
218899963,1cyclictest240-21systemd-journal19:37:533
218899963,1cyclictest14767-21diskmemload21:15:143
218899962,2cyclictest5583-21kworker/u8:121:41:403
218899962,1cyclictest32060-21ntp_states23:45:173
218899960,3cyclictest25985-21apt-get20:25:103
218899960,3cyclictest0-21swapper/323:20:113
218899960,3cyclictest0-21swapper/322:19:473
218899960,2cyclictest24476-21timerandwakeup22:05:183
218829966,0cyclictest61650irq/122-eno123:40:032
218829966,0cyclictest61650irq/122-eno123:15:022
218829966,0cyclictest61650irq/122-eno122:55:122
218829966,0cyclictest61650irq/122-eno122:20:152
218829966,0cyclictest61650irq/122-eno122:10:092
218829966,0cyclictest61650irq/122-eno121:50:052
218829966,0cyclictest61650irq/122-eno121:08:142
218829966,0cyclictest61650irq/122-eno120:31:492
218829966,0cyclictest61650irq/122-eno120:15:492
218829966,0cyclictest61650irq/122-eno119:43:152
218829966,0cyclictest61650irq/122-eno119:13:572
218829966,0cyclictest61650irq/122-eno100:30:282
218829966,0cyclictest61650irq/122-eno100:05:132
218829966,0cyclictest61650irq/122-eno100:02:522
218829966,0cyclictest21602-21kworker/2:219:37:382
218829965,1cyclictest61650irq/122-eno122:05:152
218829965,1cyclictest61650irq/122-eno121:45:172
218829965,1cyclictest61650irq/122-eno120:50:122
218829965,1cyclictest61650irq/122-eno120:00:202
218829965,1cyclictest61650irq/122-eno119:55:212
218829965,1cyclictest61650irq/122-eno100:10:112
218829965,1cyclictest5705-21cat21:40:152
218829965,1cyclictest28-21ksoftirqd/220:45:012
218829964,1cyclictest61650irq/122-eno123:50:142
218829963,1cyclictest548-21systemd-logind20:05:192
218829963,1cyclictest28-21ksoftirqd/220:25:232
218829960,1cyclictest0-21swapper/221:35:172
218829960,1cyclictest0-21swapper/220:20:162
218759966,0cyclictest0-21swapper/121:54:061
218759962,2cyclictest0-21swapper/100:16:591
218759960,6cyclictest0-21swapper/122:33:301
218759960,6cyclictest0-21swapper/122:33:301
218759960,6cyclictest0-21swapper/121:33:131
218759960,6cyclictest0-21swapper/100:29:161
218759960,4cyclictest0-21swapper/122:38:141
218759960,2cyclictest0-21swapper/122:58:531
218759960,2cyclictest0-21swapper/122:26:401
218759960,2cyclictest0-21swapper/121:09:591
218759960,1cyclictest0-21swapper/123:50:201
218759960,1cyclictest0-21swapper/122:50:011
218759960,1cyclictest0-21swapper/121:40:221
218759960,0cyclictest0-21swapper/100:39:421
218729965,1cyclictest9-21ksoftirqd/021:10:200
218729965,1cyclictest9-21ksoftirqd/019:20:120
218729965,1cyclictest28097-21ssh23:40:140
218729963,3cyclictest0-21swapper/020:05:110
218729962,2cyclictest32109-21latency_hist19:30:000
218729961,5cyclictest9731-21cstates19:50:120
218729960,3cyclictest0-21swapper/019:40:110
218729960,0cyclictest0-21swapper/020:20:120
218729960,0cyclictest0-21swapper/019:45:130
218899954,1cyclictest35-21ksoftirqd/320:15:143
218899954,1cyclictest27489-21apt-get19:20:123
218899954,1cyclictest26468-21systemctl19:15:223
218899954,1cyclictest20053-21ntpq20:10:193
218899953,1cyclictest7421-21unixbench_singl23:55:213
218899953,1cyclictest5125-21hostname22:25:123
218899953,1cyclictest32195-21apt-get19:30:113
218899953,1cyclictest30943-21grep23:00:123
218899953,1cyclictest16779-21users21:10:223
218899952,1cyclictest32173-21/usr/sbin/munin20:35:213
218899952,1cyclictest240-21systemd-journal19:51:223
218899951,2cyclictest4702-21munin-node19:40:113
218899951,2cyclictest0-21swapper/300:00:143
218899950,3cyclictest0-21swapper/320:50:113
218899950,1cyclictest16767-21grep00:10:133
218829955,0cyclictest61650irq/122-eno119:25:162
218829950,4cyclictest0-21swapper/219:30:122
218759955,0cyclictest0-21swapper/123:48:481
218759955,0cyclictest0-21swapper/119:31:501
218759954,0cyclictest0-21swapper/122:13:111
218759953,1cyclictest25483-21taskset23:35:381
218759952,3cyclictest0-21swapper/120:55:351
218759952,1cyclictest0-21swapper/123:30:091
218759951,4cyclictest0-21swapper/122:22:181
218759950,5cyclictest0-21swapper/121:48:411
218759950,5cyclictest0-21swapper/121:03:121
218759950,5cyclictest0-21swapper/120:30:181
218759950,5cyclictest0-21swapper/100:03:011
218759950,3cyclictest0-21swapper/123:17:461
218759950,3cyclictest0-21swapper/100:30:351
218759950,2cyclictest0-21swapper/123:05:121
218759950,2cyclictest0-21swapper/122:49:471
218759950,2cyclictest0-21swapper/121:20:431
218759950,2cyclictest0-21swapper/121:13:351
218759950,2cyclictest0-21swapper/119:50:101
218759950,2cyclictest0-21swapper/119:35:111
218759950,2cyclictest0-21swapper/119:15:191
218759950,2cyclictest0-21swapper/100:10:491
218759950,1cyclictest0-21swapper/123:59:391
218759950,1cyclictest0-21swapper/121:15:121
218759950,1cyclictest0-21swapper/119:40:201
218759950,0cyclictest0-21swapper/123:41:421
218759950,0cyclictest0-21swapper/123:20:401
218759950,0cyclictest0-21swapper/123:00:111
218759950,0cyclictest0-21swapper/120:17:351
218729954,1cyclictest9-21ksoftirqd/020:30:230
16190250,4sleep10-21swapper/100:09:481
218899940,1cyclictest240-21systemd-journal21:00:103
218899940,1cyclictest0-21swapper/320:05:113
218899940,0cyclictest0-21swapper/319:10:183
218759944,0cyclictest0-21swapper/120:24:321
218759944,0cyclictest0-21swapper/120:11:321
218759944,0cyclictest0-21swapper/119:50:001
218759942,1cyclictest117672sleep119:55:121
218759940,4cyclictest0-21swapper/120:43:251
218759940,4cyclictest0-21swapper/120:04:521
218759940,4cyclictest0-21swapper/119:10:191
218759940,3cyclictest0-21swapper/122:40:351
218759940,2cyclictest0-21swapper/122:01:071
218759940,2cyclictest0-21swapper/119:20:111
218759940,1cyclictest0-21swapper/123:25:141
218759940,1cyclictest0-21swapper/121:35:131
218759940,1cyclictest0-21swapper/119:28:201
218759940,0cyclictest0-21swapper/120:05:121
218759930,2cyclictest0-21swapper/120:25:101
218759930,1cyclictest0-21swapper/120:45:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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