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2026-03-25 - 11:47
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Wed Mar 25, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68242213152,49sleep30-21swapper/319:09:243
67552212175,24sleep10-21swapper/119:08:291
66922203128,15sleep00-21swapper/019:07:400
65902202164,24sleep20-21swapper/219:06:222
282762700,0sleep00-21swapper/000:31:170
6952991715,0cyclictest28-21ksoftirqd/222:35:482
694599150,1cyclictest0-21swapper/021:20:110
280992150,0sleep00-21swapper/021:00:140
6952991413,1cyclictest28-21ksoftirqd/223:46:352
6952991413,1cyclictest28-21ksoftirqd/221:30:142
6952991412,1cyclictest28-21ksoftirqd/222:30:002
6952991312,1cyclictest28-21ksoftirqd/222:50:142
6952991312,1cyclictest28-21ksoftirqd/220:00:202
6952991311,1cyclictest28-21ksoftirqd/220:15:152
694599133,5cyclictest11917-21sort23:30:000
695299123,5cyclictest28-21ksoftirqd/223:50:122
6952991211,1cyclictest28-21ksoftirqd/223:30:162
6952991211,1cyclictest28-21ksoftirqd/223:10:192
6952991211,1cyclictest28-21ksoftirqd/221:55:192
6952991211,1cyclictest28-21ksoftirqd/221:20:162
6952991211,1cyclictest28-21ksoftirqd/220:55:192
6952991211,1cyclictest28-21ksoftirqd/220:10:212
6952991211,1cyclictest28-21ksoftirqd/219:20:152
6952991210,1cyclictest28-21ksoftirqd/223:25:202
6952991210,1cyclictest28-21ksoftirqd/223:20:002
6952991210,1cyclictest28-21ksoftirqd/222:40:112
6952991210,1cyclictest28-21ksoftirqd/200:00:102
694599122,7cyclictest9310-21munin-node21:07:500
694599120,4cyclictest0-21swapper/019:45:170
694599120,12cyclictest0-21swapper/020:15:160
6953991110,1cyclictest35-21ksoftirqd/323:20:003
695299119,1cyclictest28-21ksoftirqd/221:15:112
695299119,1cyclictest28-21ksoftirqd/220:55:002
695299119,1cyclictest28-21ksoftirqd/220:30:002
695299119,1cyclictest28-21ksoftirqd/219:40:002
695299119,1cyclictest28-21ksoftirqd/200:07:222
695299114,4cyclictest18157-21kworker/2:222:13:072
6952991110,1cyclictest28-21ksoftirqd/223:59:592
6952991110,1cyclictest28-21ksoftirqd/222:20:012
6952991110,1cyclictest28-21ksoftirqd/221:04:592
6952991110,1cyclictest28-21ksoftirqd/220:40:152
6952991110,0cyclictest28-21ksoftirqd/221:40:142
694599116,4cyclictest707-21snmpd00:07:490
694599110,7cyclictest31629-21ssh21:50:020
694599110,4cyclictest32275-21diskmemload23:54:240
694599110,10cyclictest0-21swapper/022:32:540
694599110,1cyclictest31653-21apt-get20:00:120
694599110,1cyclictest25689-21ssh23:45:460
695299109,1cyclictest28-21ksoftirqd/223:45:012
695299109,1cyclictest28-21ksoftirqd/222:55:162
695299109,1cyclictest28-21ksoftirqd/222:05:142
695299109,1cyclictest28-21ksoftirqd/222:00:102
695299109,1cyclictest28-21ksoftirqd/221:50:112
695299109,1cyclictest28-21ksoftirqd/221:35:162
695299109,1cyclictest28-21ksoftirqd/219:10:112
695299108,1cyclictest28-21ksoftirqd/222:50:002
695299108,1cyclictest28-21ksoftirqd/219:45:122
695299108,1cyclictest28-21ksoftirqd/219:19:592
695299108,1cyclictest28-21ksoftirqd/200:35:202
695299106,3cyclictest32024-21timerandwakeup22:30:212
695299103,5cyclictest18157-21kworker/2:200:22:042
6952991010,0cyclictest28-21ksoftirqd/223:35:202
6952991010,0cyclictest28-21ksoftirqd/222:15:152
6952991010,0cyclictest28-21ksoftirqd/221:45:452
6952991010,0cyclictest28-21ksoftirqd/221:45:452
694599105,1cyclictest707-21snmpd21:40:030
694599104,1cyclictest32275-21diskmemload23:22:380
694599101,5cyclictest15984-21ssh23:35:050
694599101,3cyclictest21569-21kworker/u8:023:03:070
694599101,3cyclictest0-21swapper/000:25:000
694599101,1cyclictest24646-21ssh00:26:470
694599100,6cyclictest3290-21ssh21:55:070
694599100,5cyclictest4811-1kworker/u9:122:38:290
694599100,1cyclictest31946-21ssh00:35:440
24422100,0sleep30-21swapper/323:59:443
217212100,1sleep10-21swapper/123:40:271
69539998,1cyclictest23631-21fschecks_time20:50:143
69539991,5cyclictest0-21swapper/321:23:253
69529999,0cyclictest5897-21sensors23:20:192
69529999,0cyclictest28-21ksoftirqd/223:00:152
69529998,1cyclictest28-21ksoftirqd/223:05:162
69529998,1cyclictest28-21ksoftirqd/220:30:142
69529998,1cyclictest28-21ksoftirqd/219:55:182
69529998,1cyclictest28-21ksoftirqd/200:30:102
69529998,1cyclictest28-21ksoftirqd/200:25:232
69529998,1cyclictest28-21ksoftirqd/200:10:122
69529997,1cyclictest28-21ksoftirqd/200:20:002
69459995,0cyclictest29829-21ssh22:29:010
69459994,1cyclictest18429-21ssh22:14:590
69459994,1cyclictest0-21swapper/023:15:120
69459993,1cyclictest0-21swapper/023:40:230
69459992,4cyclictest561-21nscd00:11:090
69459990,6cyclictest5157-21ssh00:01:080
69459990,6cyclictest32633-21ssh23:14:460
69459990,3cyclictest0-21swapper/019:40:110
69459990,0cyclictest0-21swapper/023:31:480
69459990,0cyclictest0-21swapper/023:05:130
69459990,0cyclictest0-21swapper/022:02:440
69459990,0cyclictest0-21swapper/021:27:160
21494290,0sleep10-21swapper/122:17:531
69539987,1cyclictest35-21ksoftirqd/321:05:003
69539987,1cyclictest35-21ksoftirqd/319:15:003
69539986,1cyclictest707-21snmpd21:33:023
69539986,1cyclictest707-21snmpd20:08:183
69539982,4cyclictest32275-21diskmemload22:53:373
69539981,5cyclictest0-21swapper/320:20:203
69539980,7cyclictest16033-21apt-get23:35:133
69529988,0cyclictest28-21ksoftirqd/221:10:002
69529987,1cyclictest28-21ksoftirqd/221:25:152
69529987,1cyclictest28-21ksoftirqd/221:09:592
69529987,1cyclictest28-21ksoftirqd/220:45:142
69529987,1cyclictest28-21ksoftirqd/219:25:142
69529986,1cyclictest28-21ksoftirqd/219:55:002
69529986,1cyclictest28-21ksoftirqd/219:35:002
69529986,1cyclictest2721-21ntpq20:05:172
69469980,7cyclictest0-21swapper/121:30:041
69469980,1cyclictest0-21swapper/122:53:431
69469980,1cyclictest0-21swapper/121:50:121
69469980,0cyclictest0-21swapper/121:20:131
69459986,1cyclictest707-21snmpd19:50:030
69459986,1cyclictest707-21snmpd19:11:190
69459985,2cyclictest27845-21apt-get21:45:120
69459985,2cyclictest27845-21apt-get21:45:120
69459984,1cyclictest10621-21ssh22:45:140
69459982,5cyclictest18687-21chrt19:30:190
69459981,1cyclictest0-21swapper/020:06:530
69459980,1cyclictest25404-21ssh22:22:280
69459980,1cyclictest21978-21munin-run19:40:000
7463270,0sleep10-21swapper/119:10:131
69539976,1cyclictest707-21snmpd19:45:083
69539976,1cyclictest4829-21cat20:10:183
69539976,1cyclictest24242-21sensors22:20:193
69539975,1cyclictest707-21snmpd23:27:103
69539975,1cyclictest707-21snmpd20:49:593
69539975,1cyclictest707-21snmpd20:27:403
69539975,1cyclictest707-21snmpd19:53:353
69539975,1cyclictest707-21snmpd19:38:053
69539975,1cyclictest707-21snmpd00:29:353
69539975,1cyclictest707-21snmpd00:09:143
69539975,1cyclictest3426-21sshd21:14:213
69539974,1cyclictest3326-21apt-get21:55:113
69539973,2cyclictest707-21snmpd23:48:403
69539973,1cyclictest29785-21diskstats19:55:123
69539972,3cyclictest4445-21cat21:15:123
69539972,2cyclictest32275-21diskmemload22:40:093
69539971,3cyclictest0-21swapper/322:46:183
69539970,5cyclictest0-21swapper/323:41:323
69539970,3cyclictest0-21swapper/321:30:013
69539970,2cyclictest0-21swapper/322:30:503
69539970,2cyclictest0-21swapper/319:15:123
69539970,1cyclictest0-21swapper/322:10:123
69539970,1cyclictest0-21swapper/320:55:013
69529975,1cyclictest28-21ksoftirqd/219:40:112
69529970,0cyclictest0-21swapper/220:20:192
69469971,5cyclictest8122sleep100:39:121
69469970,5cyclictest0-21swapper/123:58:501
69469970,3cyclictest0-21swapper/123:35:131
69469970,3cyclictest0-21swapper/100:33:001
69469970,1cyclictest0-21swapper/123:30:121
69469970,1cyclictest0-21swapper/100:20:161
69459976,1cyclictest707-21snmpd21:17:510
69459975,1cyclictest707-21snmpd20:41:190
69459975,1cyclictest707-21snmpd19:26:230
69459974,1cyclictest240-21systemd-journal20:09:590
69459972,5cyclictest19885-21cat21:35:000
69459970,6cyclictest12468-21ssh22:05:200
69459970,6cyclictest12337-21munin-run19:19:590
69459970,6cyclictest0-21swapper/022:15:080
69459970,6cyclictest0-21swapper/000:15:140
69459970,1cyclictest707-21snmpd21:12:300
69459970,1cyclictest5528-21apt-get22:40:010
69459970,1cyclictest27386-21seq20:58:140
69459970,1cyclictest20223-21telnet21:35:120
69459970,1cyclictest0-21swapper/020:31:120
69459970,1cyclictest0-21swapper/020:26:210
14687270,0sleep10-21swapper/119:25:001
9694260,1sleep10-21swapper/122:02:111
69539965,1cyclictest707-21snmpd23:11:563
69539965,1cyclictest707-21snmpd19:25:163
69539965,1cyclictest366-21ssh00:38:053
69539965,1cyclictest31982-21sshd21:06:323
69539965,1cyclictest21091-21ssh00:22:323
69539965,1cyclictest21003-21ssh22:16:353
69539965,1cyclictest2027-21ssh21:52:563
69539964,1cyclictest707-21snmpd19:31:223
69539964,1cyclictest14702-21idleruntime-cro19:25:003
69539963,2cyclictest15855-21pmu-power00:15:203
69539963,1cyclictest32275-21diskmemload23:21:513
69539963,1cyclictest240-21systemd-journal20:34:553
69539963,1cyclictest240-21systemd-journal20:19:593
69539963,1cyclictest240-21systemd-journal20:05:003
69539962,1cyclictest32275-21diskmemload23:53:293
69539961,4cyclictest32275-21diskmemload00:32:273
69539961,3cyclictest32275-21diskmemload23:01:113
69539960,6cyclictest13711-21ssh22:07:413
69539960,6cyclictest0-21swapper/300:12:393
69539960,4cyclictest32275-21diskmemload22:55:503
69539960,4cyclictest32275-21diskmemload21:46:263
69539960,4cyclictest32275-21diskmemload21:46:253
69539960,4cyclictest12307-21rm23:30:123
69539960,3cyclictest0-21swapper/323:05:513
69539960,3cyclictest0-21swapper/319:40:183
69539960,2cyclictest0-21swapper/300:00:323
69529965,1cyclictest28-21ksoftirqd/220:35:132
69469966,0cyclictest0-21swapper/122:56:291
69469960,5cyclictest0-21swapper/120:45:191
69469960,5cyclictest0-21swapper/120:10:181
69469960,4cyclictest0-21swapper/123:05:521
69469960,3cyclictest0-21swapper/123:13:521
69469960,3cyclictest0-21swapper/100:05:241
69469960,2cyclictest0-21swapper/121:26:401
69469960,2cyclictest0-21swapper/120:40:111
69469960,2cyclictest0-21swapper/120:20:191
69469960,2cyclictest0-21swapper/100:15:201
69469960,1cyclictest0-21swapper/122:43:431
69459965,1cyclictest9832-21ntpq20:20:170
69459965,1cyclictest29545-1kworker/u9:023:55:170
69459965,1cyclictest24176-21ntpq20:50:170
69459960,5cyclictest0-21swapper/022:50:130
69459960,2cyclictest0-21swapper/020:45:100
69459960,1cyclictest29624-21cstates19:55:130
69459960,0cyclictest32275-21diskmemload22:55:070
69459960,0cyclictest0-21swapper/020:38:050
69539955,0cyclictest4671-21ssh22:37:463
69539953,1cyclictest707-21snmpd22:01:273
69539952,1cyclictest240-21systemd-journal22:28:583
69539950,4cyclictest0-21swapper/320:40:123
69539950,1cyclictest0-21swapper/321:35:313
69539950,0cyclictest32275-21diskmemload21:43:103
69469955,0cyclictest0-21swapper/119:31:191
69469954,1cyclictest0-21swapper/121:35:181
69469950,5cyclictest0-21swapper/122:31:191
69469950,5cyclictest0-21swapper/119:47:021
69469950,4cyclictest1081-21chrt20:01:481
69469950,4cyclictest0-21swapper/122:05:181
69469950,3cyclictest0-21swapper/123:47:351
69469950,3cyclictest0-21swapper/121:56:081
69469950,3cyclictest0-21swapper/121:16:021
69469950,3cyclictest0-21swapper/121:10:201
69469950,2cyclictest0-21swapper/123:22:091
69469950,2cyclictest0-21swapper/123:15:101
69469950,2cyclictest0-21swapper/122:26:091
69469950,2cyclictest0-21swapper/122:20:111
69469950,2cyclictest0-21swapper/121:43:441
69469950,2cyclictest0-21swapper/120:55:101
69469950,2cyclictest0-21swapper/119:55:101
69469950,2cyclictest0-21swapper/119:40:201
69469950,2cyclictest0-21swapper/119:15:121
69469950,2cyclictest0-21swapper/100:10:141
69469950,1cyclictest0-21swapper/123:25:131
69469950,1cyclictest0-21swapper/122:10:221
69469950,1cyclictest0-21swapper/100:25:021
69469950,0cyclictest0-21swapper/123:02:061
69469950,0cyclictest0-21swapper/120:52:461
69459950,4cyclictest0-21swapper/019:20:110
31268250,1sleep10-21swapper/121:49:421
31268250,1sleep10-21swapper/121:49:411
12266250,0sleep10-21swapper/122:46:541
69539941,1cyclictest15738-21apt-get20:35:123
69469944,0cyclictest0-21swapper/122:35:441
69469941,2cyclictest0-21swapper/120:25:151
69469941,1cyclictest0-21swapper/120:35:151
69469940,4cyclictest0-21swapper/120:08:561
69469940,2cyclictest0-21swapper/123:50:461
69469940,2cyclictest0-21swapper/120:15:111
69469940,2cyclictest0-21swapper/119:35:131
69469940,2cyclictest0-21swapper/119:20:131
69469940,2cyclictest0-21swapper/100:00:011
69469940,1cyclictest0-21swapper/121:05:201
69469940,0cyclictest0-21swapper/119:53:061
69469930,1cyclictest0-21swapper/121:00:011
69469930,1cyclictest0-21swapper/120:30:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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