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2026-04-09 - 01:37
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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 Thu Apr 09, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6292206156,24sleep00-21swapper/019:09:250
4052199159,26sleep10-21swapper/119:06:481
3812199158,26sleep20-21swapper/219:06:292
5002198159,25sleep30-21swapper/319:08:033
93702620,0sleep20-21swapper/222:54:172
76472570,0sleep00-21swapper/000:15:180
766992220,1cyclictest9-21ksoftirqd/021:25:000
766991818,0cyclictest9-21ksoftirqd/023:45:120
766991817,1cyclictest9-21ksoftirqd/023:35:120
766991817,1cyclictest9-21ksoftirqd/000:21:300
766991816,1cyclictest9-21ksoftirqd/020:00:170
20612180,1sleep02046-21perf20:20:000
766991716,1cyclictest9-21ksoftirqd/022:12:130
766991616,0cyclictest9-21ksoftirqd/022:04:460
766991616,0cyclictest9-21ksoftirqd/021:56:260
766991615,1cyclictest9-21ksoftirqd/023:40:150
766991615,1cyclictest9-21ksoftirqd/022:15:190
766991615,1cyclictest9-21ksoftirqd/022:15:190
766991615,1cyclictest9-21ksoftirqd/019:20:190
766991614,1cyclictest9-21ksoftirqd/021:50:200
766991515,0cyclictest9-21ksoftirqd/000:30:180
766991514,1cyclictest9-21ksoftirqd/023:57:090
766991514,1cyclictest9-21ksoftirqd/023:30:150
766991514,1cyclictest9-21ksoftirqd/021:43:420
766991514,1cyclictest9-21ksoftirqd/020:55:170
766991414,0cyclictest9-21ksoftirqd/023:25:170
766991414,0cyclictest9-21ksoftirqd/023:20:200
766991414,0cyclictest9-21ksoftirqd/023:09:420
766991414,0cyclictest9-21ksoftirqd/023:00:150
766991414,0cyclictest9-21ksoftirqd/000:07:540
766991413,1cyclictest9-21ksoftirqd/022:50:170
766991413,1cyclictest9-21ksoftirqd/021:12:460
766991413,1cyclictest9-21ksoftirqd/020:49:140
766991412,1cyclictest9-21ksoftirqd/022:45:230
766991410,2cyclictest9-21ksoftirqd/022:24:480
766991313,0cyclictest9-21ksoftirqd/022:37:020
766991313,0cyclictest9-21ksoftirqd/021:15:150
766991313,0cyclictest9-21ksoftirqd/000:01:070
766991312,1cyclictest9-21ksoftirqd/023:50:100
766991312,1cyclictest9-21ksoftirqd/022:55:190
766991312,1cyclictest9-21ksoftirqd/022:05:450
766991311,1cyclictest9-21ksoftirqd/023:20:000
766991311,1cyclictest9-21ksoftirqd/020:55:000
766991311,1cyclictest9-21ksoftirqd/020:15:000
77799120,11cyclictest0-21swapper/123:30:171
76699123,8cyclictest9-21ksoftirqd/000:11:110
766991212,0cyclictest9-21ksoftirqd/022:25:010
766991212,0cyclictest9-21ksoftirqd/021:45:130
766991212,0cyclictest9-21ksoftirqd/021:35:130
766991212,0cyclictest9-21ksoftirqd/021:26:410
766991211,1cyclictest9-21ksoftirqd/023:11:130
766991211,1cyclictest9-21ksoftirqd/021:05:000
766991211,1cyclictest9-21ksoftirqd/019:20:000
766991210,1cyclictest9-21ksoftirqd/020:40:000
766991210,1cyclictest9-21ksoftirqd/020:35:010
78799119,1cyclictest28-21ksoftirqd/219:35:002
76699119,1cyclictest9-21ksoftirqd/022:40:190
76699119,1cyclictest9-21ksoftirqd/019:15:000
766991111,0cyclictest9-21ksoftirqd/020:20:110
766991111,0cyclictest9-21ksoftirqd/000:35:110
766991110,1cyclictest9-21ksoftirqd/022:35:010
766991110,1cyclictest9-21ksoftirqd/021:34:590
766991110,1cyclictest9-21ksoftirqd/021:10:000
766991110,1cyclictest9-21ksoftirqd/000:25:120
78799108,1cyclictest28-21ksoftirqd/220:30:002
76699109,1cyclictest9-21ksoftirqd/020:40:110
76699109,1cyclictest9-21ksoftirqd/019:55:130
76699109,1cyclictest9-21ksoftirqd/019:55:000
76699109,1cyclictest9-21ksoftirqd/019:40:120
76699109,1cyclictest9-21ksoftirqd/019:30:100
76699108,1cyclictest9-21ksoftirqd/020:05:180
76699108,1cyclictest9-21ksoftirqd/019:45:160
76699108,1cyclictest9-21ksoftirqd/019:35:140
766991010,0cyclictest9-21ksoftirqd/019:25:110
7949999,0cyclictest0-21swapper/321:45:443
7949990,4cyclictest0-21swapper/300:10:433
7879990,8cyclictest0-21swapper/200:10:422
7779990,5cyclictest0-21swapper/122:45:171
7669997,1cyclictest9-21ksoftirqd/020:25:120
7949987,1cyclictest35-21ksoftirqd/321:55:003
7949987,1cyclictest2132-21latency_hist00:10:003
7949981,4cyclictest548-21systemd-logind23:35:183
7949980,4cyclictest26798-21fschecks_time21:10:133
7949980,2cyclictest693-21runrttasks23:33:433
7879987,1cyclictest28-21ksoftirqd/219:20:112
7879986,1cyclictest61650irq/122-eno123:40:182
7879986,1cyclictest61650irq/122-eno123:35:112
7879986,1cyclictest61650irq/122-eno121:40:192
7879986,1cyclictest61650irq/122-eno120:15:002
7879986,1cyclictest3252-21cat22:45:212
7879986,1cyclictest28-21ksoftirqd/223:09:352
7879986,1cyclictest28-21ksoftirqd/222:55:222
7879982,4cyclictest31005-21apt-get00:05:112
7879981,5cyclictest4242-21apt-get23:30:112
7779980,4cyclictest0-21swapper/122:00:471
7779980,4cyclictest0-21swapper/100:06:271
3113280,0sleep30-21swapper/323:27:483
7949975,1cyclictest31609-21ssh21:58:113
7949975,1cyclictest15729-21ssh23:00:463
7949971,4cyclictest25837-21diskmemload23:16:433
7949971,3cyclictest240-21systemd-journal20:06:553
7949971,3cyclictest0-21swapper/322:56:233
7949970,6cyclictest3647-21ssh21:20:453
7949970,6cyclictest17596-21ssh21:40:123
7949970,5cyclictest0-21swapper/300:28:553
7949970,4cyclictest19366-21latency_hist23:50:013
7949970,3cyclictest0-21swapper/319:30:003
7949970,2cyclictest0-21swapper/322:45:173
7949970,2cyclictest0-21swapper/320:20:193
7949970,1cyclictest0-21swapper/322:12:553
7879976,1cyclictest61650irq/122-eno123:18:472
7879976,1cyclictest61650irq/122-eno122:40:172
7879976,1cyclictest61650irq/122-eno121:35:592
7879976,1cyclictest61650irq/122-eno121:30:122
7879976,1cyclictest61650irq/122-eno121:27:472
7879976,1cyclictest61650irq/122-eno121:17:152
7879976,1cyclictest61650irq/122-eno100:30:002
7879976,1cyclictest61650irq/122-eno100:03:412
7879976,0cyclictest61650irq/122-eno123:20:182
7879976,0cyclictest61650irq/122-eno121:50:092
7879975,1cyclictest8370-21ssh00:16:182
7879975,1cyclictest61650irq/122-eno123:55:112
7879975,1cyclictest61650irq/122-eno123:05:012
7879975,1cyclictest61650irq/122-eno122:40:002
7879975,1cyclictest61650irq/122-eno122:26:082
7879975,1cyclictest61650irq/122-eno122:15:202
7879975,1cyclictest61650irq/122-eno122:15:202
7879973,3cyclictest28-21ksoftirqd/220:55:162
7879973,1cyclictest240-21systemd-journal19:40:002
7879970,6cyclictest3144-21munin-node22:01:552
7879970,4cyclictest0-21swapper/222:30:152
7779970,6cyclictest0-21swapper/121:20:191
7779970,5cyclictest0-21swapper/121:51:531
7779970,4cyclictest0-21swapper/123:06:141
7779970,4cyclictest0-21swapper/122:56:501
7779970,4cyclictest0-21swapper/119:50:161
7949965,1cyclictest7528-21ntpq19:20:163
7949965,1cyclictest35-21ksoftirqd/319:47:263
7949965,1cyclictest32102-21ssh21:16:013
7949965,1cyclictest31373-21sensors20:10:183
7949965,1cyclictest28950-21ssh23:20:013
7949965,1cyclictest25592-21ssh23:56:373
7949965,1cyclictest24876-21ntpq21:05:163
7949965,1cyclictest23458-21ssh23:11:093
7949965,1cyclictest2124-21ntpq19:10:163
7949965,1cyclictest21070-21ssh00:34:053
7949965,1cyclictest1991-21ssh22:00:223
7949965,1cyclictest17949-21ssh22:22:123
7949965,1cyclictest13733-21ssh22:16:153
7949965,1cyclictest13733-21ssh22:16:153
7949965,1cyclictest11515-21ssh21:30:353
7949964,1cyclictest22681-21ssh23:54:023
7949964,0cyclictest25837-21diskmemload00:16:013
7949963,1cyclictest240-21systemd-journal22:25:573
7949963,1cyclictest240-21systemd-journal21:00:003
7949963,1cyclictest240-21systemd-journal00:20:013
7949962,2cyclictest25837-21diskmemload22:30:133
7949961,4cyclictest25837-21diskmemload22:36:583
7949961,2cyclictest0-21swapper/320:40:163
7949961,1cyclictest4646-21apt-get20:25:123
7949960,4cyclictest25053-21ssh00:39:363
7949960,4cyclictest0-21swapper/321:26:223
7949960,3cyclictest6114-21/usr/sbin/munin22:50:123
7949960,3cyclictest0-21swapper/322:05:513
7949960,3cyclictest0-21swapper/300:00:443
7949960,2cyclictest0-21swapper/321:35:223
7949960,1cyclictest31641-21ssh22:40:133
7949960,1cyclictest240-21systemd-journal20:20:003
7879966,0cyclictest61650irq/122-eno123:50:032
7879966,0cyclictest61650irq/122-eno123:45:182
7879966,0cyclictest61650irq/122-eno123:25:022
7879966,0cyclictest61650irq/122-eno123:10:022
7879966,0cyclictest61650irq/122-eno122:20:432
7879966,0cyclictest61650irq/122-eno122:10:082
7879966,0cyclictest61650irq/122-eno121:56:302
7879966,0cyclictest61650irq/122-eno121:45:152
7879966,0cyclictest61650irq/122-eno121:20:462
7879966,0cyclictest61650irq/122-eno121:00:132
7879966,0cyclictest61650irq/122-eno120:50:112
7879966,0cyclictest61650irq/122-eno120:41:472
7879966,0cyclictest61650irq/122-eno120:35:142
7879966,0cyclictest61650irq/122-eno120:03:552
7879966,0cyclictest61650irq/122-eno119:51:312
7879966,0cyclictest61650irq/122-eno119:43:062
7879966,0cyclictest61650irq/122-eno119:15:102
7879966,0cyclictest61650irq/122-eno100:35:112
7879966,0cyclictest61650irq/122-eno100:25:132
7879966,0cyclictest0-21swapper/221:10:482
7879965,1cyclictest61650irq/122-eno120:20:112
7879965,1cyclictest61650irq/122-eno120:15:112
7879965,1cyclictest61650irq/122-eno119:25:112
7879964,1cyclictest61650irq/122-eno122:07:592
7879964,1cyclictest61650irq/122-eno119:55:172
7879962,2cyclictest240-21systemd-journal19:47:392
7879961,2cyclictest0-21swapper/221:05:102
7879961,1cyclictest100312sleep200:20:042
7879960,1cyclictest0-21swapper/219:10:142
7779961,3cyclictest0-21swapper/122:14:131
7779960,6cyclictest0-21swapper/122:20:271
7779960,6cyclictest0-21swapper/121:05:171
7779960,6cyclictest0-21swapper/119:35:151
7779960,4cyclictest0-21swapper/121:11:531
7779960,3cyclictest0-21swapper/123:52:051
7779960,3cyclictest0-21swapper/123:25:151
7779960,3cyclictest0-21swapper/123:19:091
7779960,3cyclictest0-21swapper/121:45:131
7779960,3cyclictest0-21swapper/121:41:521
7779960,3cyclictest0-21swapper/119:20:001
7779960,3cyclictest0-21swapper/100:30:121
7779960,2cyclictest0-21swapper/121:00:001
7779960,2cyclictest0-21swapper/100:13:471
7779960,1cyclictest0-21swapper/120:05:151
7779960,1cyclictest0-21swapper/119:40:141
7949954,1cyclictest35-21ksoftirqd/320:35:063
7949954,1cyclictest23769-21cat19:55:153
7949953,1cyclictest35-21ksoftirqd/320:50:283
7949953,1cyclictest23698-21date21:05:013
7949951,2cyclictest8150-21ntp_offset20:30:163
7949950,5cyclictest0-21swapper/323:40:413
7949950,3cyclictest240-21systemd-journal20:05:003
7949950,1cyclictest240-21systemd-journal19:15:393
7949950,1cyclictest18956-21gunzip23:05:183
7949950,0cyclictest0-21swapper/319:50:133
7879954,1cyclictest0-21swapper/220:45:162
7879953,1cyclictest6995-21/usr/sbin/munin20:30:172
7879950,1cyclictest0-21swapper/220:05:172
7779955,0cyclictest0-21swapper/123:20:331
7779955,0cyclictest0-21swapper/122:38:251
7779955,0cyclictest0-21swapper/122:25:241
7779955,0cyclictest0-21swapper/121:15:101
7779955,0cyclictest0-21swapper/120:45:161
7779955,0cyclictest0-21swapper/100:27:261
7779952,3cyclictest0-21swapper/119:10:111
7779952,3cyclictest0-21swapper/100:35:111
7779951,1cyclictest0-21swapper/123:45:481
7779950,4cyclictest3947-21chrt22:05:021
7779950,4cyclictest0-21swapper/123:40:131
7779950,4cyclictest0-21swapper/123:00:311
7779950,4cyclictest0-21swapper/121:32:441
7779950,4cyclictest0-21swapper/119:55:171
7779950,4cyclictest0-21swapper/100:19:251
7779950,4cyclictest0-21swapper/100:01:211
7779950,3cyclictest0-21swapper/123:35:171
7779950,3cyclictest0-21swapper/122:51:371
7779950,3cyclictest0-21swapper/100:23:401
7779950,2cyclictest0-21swapper/123:10:321
7779950,2cyclictest0-21swapper/121:55:121
7779950,2cyclictest0-21swapper/120:05:001
7779950,1cyclictest0-21swapper/123:55:101
7779950,1cyclictest0-21swapper/121:00:111
7779950,0cyclictest0-21swapper/122:40:141
7949943,1cyclictest11140-21aten_r1power_en19:30:103
7949942,1cyclictest16201-21expr19:40:123
7949941,2cyclictest14079-21apt-get20:45:103
7949940,1cyclictest13462-21apt-get19:35:113
7779943,1cyclictest0-21swapper/120:31:551
7779942,1cyclictest0-21swapper/119:25:111
7779942,1cyclictest0-21swapper/119:24:141
7779941,2cyclictest0-21swapper/120:35:101
7779941,1cyclictest0-21swapper/120:20:131
7779941,0cyclictest0-21swapper/122:30:271
7779940,4cyclictest0-21swapper/120:50:091
7779940,4cyclictest0-21swapper/120:10:191
7779940,2cyclictest0-21swapper/120:25:121
7779940,2cyclictest0-21swapper/119:30:171
7779940,1cyclictest0-21swapper/122:15:531
7779940,1cyclictest0-21swapper/122:15:531
7779940,1cyclictest0-21swapper/121:35:021
7779940,1cyclictest0-21swapper/121:25:121
7779940,0cyclictest0-21swapper/119:45:181
7779931,1cyclictest0-21swapper/120:15:111
7779930,0cyclictest0-21swapper/120:40:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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