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2026-07-27 - 06:51
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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 Mon Jul 27, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
201952207158,24sleep00-21swapper/019:07:080
203472202162,26sleep30-21swapper/319:09:083
202342202161,26sleep20-21swapper/219:07:382
202112201165,23sleep10-21swapper/119:07:221
115642660,0sleep20-21swapper/221:05:142
20512991311,1cyclictest28-21ksoftirqd/219:15:012
2051299130,1cyclictest0-21swapper/200:28:002
265092120,0sleep20-21swapper/223:44:062
2051299125,3cyclictest61650irq/122-eno123:05:362
2049899120,0cyclictest0-21swapper/019:50:120
198852120,0sleep00-21swapper/021:17:440
2051899115,4cyclictest35-21ksoftirqd/320:25:003
2051299118,2cyclictest28-21ksoftirqd/221:47:352
2049899110,4cyclictest240-21systemd-journal23:30:010
2051899109,1cyclictest35-21ksoftirqd/323:09:593
2051899108,1cyclictest35-21ksoftirqd/322:45:003
2051899108,1cyclictest35-21ksoftirqd/320:15:003
2051299109,1cyclictest28-21ksoftirqd/222:50:002
2051299109,1cyclictest28-21ksoftirqd/220:54:592
2051299100,8cyclictest32100-21kworker/u8:123:17:032
2049899103,3cyclictest17085-21/usr/sbin/munin22:00:010
2049899100,5cyclictest13597-21diskmemload22:25:130
205129998,1cyclictest28-21ksoftirqd/221:45:002
205129998,1cyclictest28-21ksoftirqd/200:05:012
205129997,1cyclictest28-21ksoftirqd/222:26:282
205129995,1cyclictest11301-21snmpd20:19:412
205059990,8cyclictest0-21swapper/122:55:151
205059990,8cyclictest0-21swapper/121:40:391
205059990,3cyclictest0-21swapper/100:39:381
204989992,6cyclictest11645-21sh22:35:330
204989990,4cyclictest12794-21perf23:25:000
2156280,0sleep10-21swapper/121:37:301
205189987,1cyclictest35-21ksoftirqd/322:35:013
205189986,1cyclictest561-21nscd00:05:193
205189986,1cyclictest35-21ksoftirqd/320:45:003
205189986,1cyclictest11301-21snmpd22:25:413
205189986,1cyclictest11301-21snmpd22:02:573
205189986,1cyclictest11301-21snmpd20:50:573
205189986,1cyclictest11301-21snmpd19:46:493
205189986,1cyclictest11301-21snmpd19:20:483
205189986,1cyclictest11301-21snmpd00:11:053
205189980,6cyclictest13597-21diskmemload23:40:363
205189980,1cyclictest0-21swapper/322:35:143
205129986,1cyclictest61650irq/122-eno123:20:242
205129986,1cyclictest61650irq/122-eno122:35:182
205129986,1cyclictest61650irq/122-eno122:15:162
205129986,1cyclictest28-21ksoftirqd/219:35:012
205129986,1cyclictest28-21ksoftirqd/200:22:312
205129986,1cyclictest18186-21cat21:15:172
205129986,1cyclictest11301-21snmpd21:28:052
205129984,4cyclictest20495-21cyclictest22:33:052
205129981,5cyclictest318-21rm21:35:172
205129981,3cyclictest5258-21apt-get19:45:022
205059980,8cyclictest0-21swapper/122:50:261
205059980,4cyclictest0-21swapper/122:30:501
204989983,1cyclictest27082-21/usr/sbin/munin23:45:140
204989980,4cyclictest17282-21sed20:10:000
204989980,2cyclictest240-21systemd-journal23:15:000
204989980,1cyclictest30765-21ssh23:04:390
204989980,1cyclictest14984-21ssh00:13:140
205189976,1cyclictest30378-21cat20:35:173
205189976,1cyclictest21951-21cat21:20:193
205189976,1cyclictest11301-21snmpd19:52:053
205189975,1cyclictest35-21ksoftirqd/320:44:593
205189975,1cyclictest35-21ksoftirqd/300:40:003
205189975,1cyclictest28888-21ssh23:45:243
205189975,1cyclictest11301-21snmpd22:17:123
205189975,1cyclictest11301-21snmpd19:39:343
205189975,1cyclictest11301-21snmpd19:14:213
205189975,1cyclictest11301-21snmpd00:20:333
205189974,1cyclictest13650irq/124-ahci[0021:04:553
205189972,2cyclictest0-21swapper/322:50:143
205189971,5cyclictest561-21nscd00:25:583
205189970,6cyclictest22877-21ssh23:38:463
205189970,6cyclictest19649-1kworker/u9:022:09:553
205189970,5cyclictest0-21swapper/323:51:533
205189970,2cyclictest0-21swapper/321:46:403
205189970,2cyclictest0-21swapper/321:26:033
205129976,1cyclictest61650irq/122-eno123:55:512
205129976,1cyclictest61650irq/122-eno123:50:192
205129976,1cyclictest61650irq/122-eno123:25:202
205129976,1cyclictest61650irq/122-eno122:10:202
205129976,1cyclictest61650irq/122-eno121:30:182
205129976,1cyclictest61650irq/122-eno120:40:152
205129976,1cyclictest61650irq/122-eno119:55:172
205129976,1cyclictest61650irq/122-eno100:38:082
205129976,1cyclictest28-21ksoftirqd/219:30:012
205129975,1cyclictest61650irq/122-eno121:50:142
205129975,1cyclictest61650irq/122-eno119:15:142
205129975,1cyclictest61650irq/122-eno100:20:002
205129975,1cyclictest61650irq/122-eno100:05:172
205129975,1cyclictest32173-21df22:20:132
205129975,1cyclictest28-21ksoftirqd/220:10:002
205129975,1cyclictest11301-21snmpd22:41:222
205129974,1cyclictest240-21systemd-journal20:35:002
205129974,1cyclictest240-21systemd-journal20:15:012
205129973,1cyclictest240-21systemd-journal19:25:002
205129973,0cyclictest0-21swapper/222:52:392
205129970,1cyclictest0-21swapper/223:03:392
205129970,1cyclictest0-21swapper/221:24:222
205129970,1cyclictest0-21swapper/221:10:132
205059973,1cyclictest0-21swapper/123:30:131
205059973,0cyclictest0-21swapper/122:47:031
205059971,6cyclictest0-21swapper/120:13:561
205059971,4cyclictest0-21swapper/100:05:131
205059970,6cyclictest0-21swapper/119:50:161
205059970,4cyclictest0-21swapper/123:10:011
205059970,4cyclictest0-21swapper/122:20:121
205059970,4cyclictest0-21swapper/122:15:111
205059970,4cyclictest0-21swapper/121:10:011
205059970,4cyclictest0-21swapper/120:25:101
205059970,4cyclictest0-21swapper/100:22:441
205059970,2cyclictest0-21swapper/123:25:121
205059970,1cyclictest0-21swapper/122:13:261
205059970,1cyclictest0-21swapper/100:00:471
204989976,1cyclictest9-21ksoftirqd/021:00:000
204989976,1cyclictest9-21ksoftirqd/019:45:010
204989976,1cyclictest23446-1kworker/u9:122:55:080
204989976,1cyclictest16527-1kworker/u9:023:40:170
204989976,1cyclictest11301-21snmpd21:44:140
204989976,1cyclictest11301-21snmpd19:33:010
204989975,1cyclictest9-21ksoftirqd/020:35:010
204989975,1cyclictest31662-21apt-get21:35:010
204989975,1cyclictest26392-21ssh22:11:030
204989975,1cyclictest13597-21diskmemload23:16:560
204989975,1cyclictest11301-21snmpd21:07:480
204989972,2cyclictest240-21systemd-journal22:50:000
204989971,6cyclictest0-21swapper/020:13:080
204989970,6cyclictest7943-21ssh21:45:170
204989970,6cyclictest31651-21ssh22:20:080
204989970,6cyclictest31185-21fschecks_count23:50:140
204989970,6cyclictest30081-21ssh22:15:560
204989970,6cyclictest29962-21basename00:35:120
204989970,6cyclictest29660-21munin-run00:34:590
204989970,6cyclictest24346-21ssh00:25:220
204989970,6cyclictest21378-21cstates21:20:150
204989970,6cyclictest13597-21diskmemload23:36:020
204989970,6cyclictest13597-21diskmemload00:00:550
204989970,6cyclictest0-21swapper/023:05:160
204989970,6cyclictest0-21swapper/022:40:140
204989970,6cyclictest0-21swapper/021:30:180
204989970,6cyclictest0-21swapper/021:10:200
204989970,6cyclictest0-21swapper/000:15:120
204989970,5cyclictest561-21nscd21:51:590
204989970,3cyclictest0-21swapper/021:28:510
204989970,1cyclictest7656-21awk22:30:210
204989970,1cyclictest13597-21diskmemload00:20:190
204989970,1cyclictest0-21swapper/022:02:080
204989970,1cyclictest0-21swapper/020:20:140
204989970,1cyclictest0-21swapper/019:20:420
204989970,1cyclictest0-21swapper/019:15:010
14683270,0sleep00-21swapper/020:02:290
205189965,1cyclictest900-21ssh21:35:193
205189965,1cyclictest5490-21ssh23:14:263
205189965,1cyclictest4055-21ssh23:57:103
205189965,1cyclictest30475-21ssh21:31:273
205189965,1cyclictest25531-21sensors22:55:203
205189965,1cyclictest12624-21ssh21:52:043
205189965,1cyclictest11301-21snmpd20:31:363
205189965,1cyclictest11301-21snmpd20:08:173
205189964,1cyclictest7431-21cat20:55:153
205189964,1cyclictest11819-21ssh23:22:063
205189962,3cyclictest13597-21diskmemload23:00:173
205189962,2cyclictest13597-21diskmemload21:10:103
205189961,3cyclictest13597-21diskmemload22:20:303
205189961,2cyclictest6418-21diskmemload21:44:433
205189961,2cyclictest17561-21missed_timers23:30:183
205189961,0cyclictest0-21swapper/300:00:123
205189960,5cyclictest0-21swapper/323:16:013
205189960,4cyclictest0-21swapper/320:20:193
205189960,3cyclictest11301-21snmpd23:25:493
205189960,2cyclictest0-21swapper/300:16:223
205189960,1cyclictest0-21swapper/300:31:283
205129966,0cyclictest61650irq/122-eno123:10:172
205129966,0cyclictest61650irq/122-eno122:55:132
205129966,0cyclictest61650irq/122-eno122:05:212
205129966,0cyclictest61650irq/122-eno122:00:422
205129966,0cyclictest61650irq/122-eno121:55:152
205129966,0cyclictest61650irq/122-eno120:49:282
205129966,0cyclictest61650irq/122-eno120:25:032
205129966,0cyclictest61650irq/122-eno119:36:342
205129966,0cyclictest61650irq/122-eno100:30:122
205129965,1cyclictest61650irq/122-eno119:50:112
205129965,1cyclictest28-21ksoftirqd/220:35:502
205129965,1cyclictest28-21ksoftirqd/220:25:002
205129964,1cyclictest61650irq/122-eno100:10:162
205129964,1cyclictest16538-21ssh23:30:112
205129962,2cyclictest548-21systemd-logind23:45:202
205129960,6cyclictest0-21swapper/221:04:212
205129960,4cyclictest0-21swapper/223:35:232
205129960,4cyclictest0-21swapper/220:55:122
205059961,5cyclictest0-21swapper/119:34:121
205059961,1cyclictest0-21swapper/100:30:111
205059960,6cyclictest0-21swapper/123:58:311
205059960,6cyclictest0-21swapper/122:05:191
205059960,6cyclictest0-21swapper/121:31:521
205059960,6cyclictest0-21swapper/120:43:571
205059960,6cyclictest0-21swapper/119:59:071
205059960,6cyclictest0-21swapper/119:28:361
205059960,6cyclictest0-21swapper/119:13:211
205059960,6cyclictest0-21swapper/100:26:221
205059960,5cyclictest0-21swapper/123:47:291
205059960,5cyclictest0-21swapper/121:56:021
205059960,5cyclictest0-21swapper/120:55:151
205059960,4cyclictest0-21swapper/123:41:191
205059960,3cyclictest0-21swapper/100:16:081
205059960,1cyclictest0-21swapper/120:35:171
204989966,0cyclictest0-21swapper/023:30:100
204989965,1cyclictest3982-21ssh23:56:560
204989965,1cyclictest327-21cat20:40:170
204989965,1cyclictest11301-21snmpd20:18:300
204989964,1cyclictest21936-21awk19:10:180
204989964,1cyclictest11301-21snmpd20:51:360
204989964,1cyclictest11301-21snmpd20:35:140
204989960,6cyclictest0-21swapper/022:45:200
204989960,6cyclictest0-21swapper/022:05:180
204989960,6cyclictest0-21swapper/019:55:160
204989960,5cyclictest0-21swapper/019:25:120
204989960,0cyclictest0-21swapper/020:45:180
204989960,0cyclictest0-21swapper/020:25:270
204989960,0cyclictest0-21swapper/019:35:130
204989960,0cyclictest0-21swapper/000:05:200
205189954,1cyclictest4302-21ntpq19:40:173
205189954,1cyclictest35-21ksoftirqd/319:15:013
205189954,1cyclictest26524-21ssh22:11:263
205189953,1cyclictest11301-21snmpd20:16:393
205189952,2cyclictest14525-21runrttasks20:00:273
205189951,2cyclictest10837-21cstates19:55:123
205189950,3cyclictest0-21swapper/322:45:013
205189950,3cyclictest0-21swapper/321:55:143
205189950,2cyclictest0-21swapper/321:19:083
205189950,1cyclictest28628-21aten2.4-expect19:25:123
205129955,0cyclictest61650irq/122-eno120:03:282
205129950,5cyclictest0-21swapper/219:41:342
205059955,0cyclictest0-21swapper/123:15:131
205059955,0cyclictest0-21swapper/120:20:131
205059953,1cyclictest7822-21chrt21:45:181
205059952,2cyclictest0-21swapper/123:37:461
205059951,2cyclictest0-21swapper/121:10:111
205059951,2cyclictest0-21swapper/121:00:101
205059951,2cyclictest0-21swapper/119:15:131
205059950,5cyclictest0-21swapper/120:18:231
205059950,4cyclictest0-21swapper/123:23:441
205059950,4cyclictest0-21swapper/122:40:511
205059950,3cyclictest0-21swapper/123:05:141
205059950,3cyclictest0-21swapper/123:02:001
205059950,3cyclictest0-21swapper/122:27:351
205059950,3cyclictest0-21swapper/121:51:171
205059950,3cyclictest0-21swapper/121:28:511
205059950,3cyclictest0-21swapper/121:24:571
205059950,3cyclictest0-21swapper/100:13:391
205059950,2cyclictest0-21swapper/122:00:061
204989953,1cyclictest3165-21telnet19:40:110
204989950,4cyclictest0-21swapper/020:55:050
205189942,1cyclictest11540-21tail21:05:123
205189942,1cyclictest0-21swapper/319:30:173
205059944,0cyclictest0-21swapper/120:50:151
205059940,4cyclictest0-21swapper/119:36:431
205059940,3cyclictest0-21swapper/120:05:141
205059940,2cyclictest0-21swapper/123:50:041
205059940,1cyclictest0-21swapper/121:15:141
205059940,1cyclictest0-21swapper/120:00:121
205059940,1cyclictest0-21swapper/119:20:101
205059940,0cyclictest0-21swapper/119:40:201
205059930,1cyclictest0-21swapper/122:35:061
205059930,1cyclictest0-21swapper/120:30:141
205059930,1cyclictest0-21swapper/119:45:111
205059930,0cyclictest0-21swapper/120:45:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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