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2026-04-17 - 06:50
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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 Fri Apr 17, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56442215150,51sleep20-21swapper/219:08:442
54862207156,25sleep00-21swapper/019:06:390
53952204148,25sleep10-21swapper/119:05:281
54522200161,26sleep30-21swapper/319:06:143
237342590,0sleep00-21swapper/020:50:200
5832991817,1cyclictest28-21ksoftirqd/221:05:192
5832991817,1cyclictest28-21ksoftirqd/220:50:182
5832991817,1cyclictest28-21ksoftirqd/200:35:132
5822991817,1cyclictest9-21ksoftirqd/023:25:110
583299178,1cyclictest28-21ksoftirqd/200:10:122
5832991716,1cyclictest28-21ksoftirqd/221:20:002
5832991715,1cyclictest28-21ksoftirqd/223:05:192
583299167,8cyclictest28-21ksoftirqd/222:20:182
5832991615,1cyclictest28-21ksoftirqd/223:25:182
5832991615,1cyclictest28-21ksoftirqd/222:26:282
5832991615,1cyclictest28-21ksoftirqd/221:30:102
5832991615,1cyclictest28-21ksoftirqd/200:20:192
583299158,7cyclictest28-21ksoftirqd/223:22:422
5832991515,0cyclictest28-21ksoftirqd/222:55:142
5832991514,1cyclictest28-21ksoftirqd/200:07:442
5832991513,1cyclictest28-21ksoftirqd/219:20:002
5822991515,0cyclictest9-21ksoftirqd/021:50:120
101042150,0sleep00-21swapper/022:45:590
583299149,5cyclictest28-21ksoftirqd/222:00:192
5832991414,0cyclictest28-21ksoftirqd/223:36:092
5832991414,0cyclictest28-21ksoftirqd/221:18:382
5832991414,0cyclictest28-21ksoftirqd/220:55:152
5832991414,0cyclictest28-21ksoftirqd/220:00:112
5832991414,0cyclictest28-21ksoftirqd/219:50:172
5832991413,1cyclictest28-21ksoftirqd/200:30:202
5832991412,1cyclictest28-21ksoftirqd/200:00:002
5822991414,0cyclictest9-21ksoftirqd/023:23:140
146902140,0sleep30-21swapper/322:52:353
583299138,5cyclictest28-21ksoftirqd/222:10:142
5832991313,0cyclictest28-21ksoftirqd/223:46:392
5832991313,0cyclictest28-21ksoftirqd/223:43:472
5832991313,0cyclictest28-21ksoftirqd/223:19:342
5832991313,0cyclictest28-21ksoftirqd/223:00:212
5832991313,0cyclictest28-21ksoftirqd/222:53:322
5832991313,0cyclictest28-21ksoftirqd/222:48:142
5832991313,0cyclictest28-21ksoftirqd/222:34:472
5832991313,0cyclictest28-21ksoftirqd/222:17:132
5832991313,0cyclictest28-21ksoftirqd/221:58:032
5832991313,0cyclictest28-21ksoftirqd/221:47:462
5832991313,0cyclictest28-21ksoftirqd/221:43:082
5832991313,0cyclictest28-21ksoftirqd/221:37:322
5832991313,0cyclictest28-21ksoftirqd/221:27:012
5832991313,0cyclictest28-21ksoftirqd/200:26:472
5832991313,0cyclictest28-21ksoftirqd/200:03:552
5832991312,1cyclictest28-21ksoftirqd/221:51:242
5832991312,1cyclictest28-21ksoftirqd/219:59:592
5832991311,1cyclictest28-21ksoftirqd/222:10:002
5832991311,1cyclictest28-21ksoftirqd/219:50:002
5832991310,2cyclictest28-21ksoftirqd/221:15:002
5832991310,1cyclictest28-21ksoftirqd/223:34:592
5822991313,0cyclictest9-21ksoftirqd/023:32:040
5822991313,0cyclictest9-21ksoftirqd/022:19:200
5822991313,0cyclictest9-21ksoftirqd/021:40:150
5822991313,0cyclictest9-21ksoftirqd/000:03:550
5822991312,1cyclictest9-21ksoftirqd/022:11:510
5822991312,0cyclictest9-21ksoftirqd/021:11:090
583299129,2cyclictest28-21ksoftirqd/221:05:002
583299128,4cyclictest28-21ksoftirqd/220:45:172
5832991212,0cyclictest28-21ksoftirqd/223:12:102
5832991211,1cyclictest28-21ksoftirqd/219:15:002
5832991210,1cyclictest28-21ksoftirqd/223:55:002
5832991210,1cyclictest28-21ksoftirqd/222:35:142
5832991210,1cyclictest28-21ksoftirqd/200:15:152
5822991212,0cyclictest9-21ksoftirqd/023:57:010
5822991212,0cyclictest9-21ksoftirqd/023:44:390
5822991212,0cyclictest9-21ksoftirqd/022:30:290
5822991212,0cyclictest9-21ksoftirqd/022:24:540
5822991212,0cyclictest9-21ksoftirqd/021:56:150
5822991212,0cyclictest9-21ksoftirqd/021:45:080
5822991212,0cyclictest9-21ksoftirqd/021:39:440
5822991212,0cyclictest9-21ksoftirqd/021:27:140
5822991212,0cyclictest9-21ksoftirqd/000:25:080
5822991212,0cyclictest9-21ksoftirqd/000:20:290
5822991212,0cyclictest9-21ksoftirqd/000:07:230
5822991211,1cyclictest9-21ksoftirqd/022:40:100
5822991211,1cyclictest9-21ksoftirqd/021:20:520
5822991211,1cyclictest9-21ksoftirqd/000:11:090
583299119,1cyclictest28-21ksoftirqd/222:40:132
583299119,1cyclictest28-21ksoftirqd/220:05:102
583299119,1cyclictest28-21ksoftirqd/219:40:202
583299119,1cyclictest28-21ksoftirqd/219:35:112
583299119,1cyclictest28-21ksoftirqd/219:30:202
583299119,1cyclictest28-21ksoftirqd/219:25:112
583299116,5cyclictest28-21ksoftirqd/220:30:122
583299116,5cyclictest28-21ksoftirqd/220:20:162
5832991111,0cyclictest28-21ksoftirqd/220:27:452
5832991110,1cyclictest28-21ksoftirqd/220:45:012
5832991110,1cyclictest28-21ksoftirqd/219:20:172
582299117,2cyclictest9-21ksoftirqd/023:35:050
5822991111,0cyclictest9-21ksoftirqd/023:46:550
5822991111,0cyclictest9-21ksoftirqd/021:35:000
5822991111,0cyclictest9-21ksoftirqd/000:15:490
5822991110,1cyclictest9-21ksoftirqd/023:55:010
5822991110,1cyclictest9-21ksoftirqd/023:11:390
5822991110,0cyclictest9-21ksoftirqd/019:50:130
584399108,1cyclictest31297-21diskmemload22:37:563
583299109,1cyclictest28-21ksoftirqd/220:15:142
583299108,1cyclictest28-21ksoftirqd/220:35:162
583299108,1cyclictest28-21ksoftirqd/220:10:112
582299109,1cyclictest9-21ksoftirqd/019:45:130
582299109,1cyclictest9-21ksoftirqd/019:20:110
582299103,7cyclictest9-21ksoftirqd/023:00:290
582299103,7cyclictest9-21ksoftirqd/022:51:220
582299103,7cyclictest9-21ksoftirqd/020:26:580
582299102,8cyclictest9-21ksoftirqd/022:56:420
582299102,8cyclictest9-21ksoftirqd/022:08:230
582299102,7cyclictest9-21ksoftirqd/000:32:220
582299102,7cyclictest101rcuc/022:25:170
5822991010,0cyclictest9-21ksoftirqd/000:37:370
58439996,1cyclictest31297-21diskmemload21:31:403
58439992,5cyclictest24152-1kworker/u9:122:40:553
58279991,7cyclictest203-21jbd2/sda2-822:58:521
58279990,5cyclictest0-21swapper/123:30:181
58229999,0cyclictest9-21ksoftirqd/022:01:210
58229999,0cyclictest9-21ksoftirqd/020:00:110
58229999,0cyclictest9-21ksoftirqd/019:55:100
58229998,1cyclictest9-21ksoftirqd/023:15:210
58229998,1cyclictest9-21ksoftirqd/021:00:090
58229998,1cyclictest9-21ksoftirqd/020:55:120
58229998,1cyclictest9-21ksoftirqd/020:05:110
58229997,1cyclictest9-21ksoftirqd/021:05:120
58229993,6cyclictest9-21ksoftirqd/023:06:180
58229993,6cyclictest9-21ksoftirqd/022:35:060
58229993,6cyclictest9-21ksoftirqd/021:19:260
58229992,7cyclictest9-21ksoftirqd/020:49:580
58439987,1cyclictest35-21ksoftirqd/320:30:003
58439986,1cyclictest35-21ksoftirqd/323:25:313
58439982,3cyclictest26202-21apt-get19:50:123
58439980,3cyclictest0-21swapper/300:00:093
58279980,4cyclictest0-21swapper/123:50:291
58229988,0cyclictest9-21ksoftirqd/020:30:120
58229988,0cyclictest9-21ksoftirqd/020:20:100
58229988,0cyclictest9-21ksoftirqd/019:35:160
58229988,0cyclictest9-21ksoftirqd/019:30:110
58229988,0cyclictest9-21ksoftirqd/019:25:090
58229987,1cyclictest9-21ksoftirqd/020:15:100
58229987,1cyclictest9-21ksoftirqd/019:15:100
58229987,1cyclictest9-21ksoftirqd/019:10:170
58229980,8cyclictest9-21ksoftirqd/020:40:010
58229980,8cyclictest9-21ksoftirqd/020:10:090
58229980,8cyclictest9-21ksoftirqd/019:40:110
58229980,0cyclictest9-21ksoftirqd/020:35:030
58439976,1cyclictest29955-21sensors19:55:183
58439975,1cyclictest6906-21cat19:10:143
58439975,1cyclictest6119-21ssh21:18:263
58439974,1cyclictest35-21ksoftirqd/319:20:013
58439974,1cyclictest240-21systemd-journal23:25:003
58439973,2cyclictest31297-21diskmemload23:03:333
58439973,2cyclictest240-21systemd-journal20:23:553
58439972,2cyclictest31297-21diskmemload22:30:083
58439971,4cyclictest12663-21apt-get20:30:133
58439971,3cyclictest31297-21diskmemload23:15:223
58439970,5cyclictest240-21systemd-journal20:38:563
58439970,4cyclictest21696-21cstates19:40:133
58439970,3cyclictest0-21swapper/300:10:133
58439970,1cyclictest0-21swapper/323:42:113
58439965,1cyclictest9511-21ssh21:21:333
58439965,1cyclictest3670-21ssh21:55:203
58439965,1cyclictest35-21ksoftirqd/319:47:163
58439965,1cyclictest31622-21ssh23:56:453
58439965,1cyclictest30547-21ssh23:14:163
58439965,1cyclictest30543-21ssh00:39:223
58439965,1cyclictest29784-21ssh21:47:593
58439965,1cyclictest28244-21ssh22:28:343
58439965,1cyclictest22916-21ntpq23:45:163
58439965,1cyclictest21996-21ssh22:20:153
58439965,1cyclictest20884-21ssh00:25:183
58439965,1cyclictest19444-21ssh22:15:233
58439965,1cyclictest16776-21cat00:20:153
58439965,1cyclictest15840-21ssh23:35:433
58439965,1cyclictest15574-21ssh22:10:423
58439965,1cyclictest12736-21ssh23:32:363
58439965,1cyclictest11387-21ssh21:25:033
58439964,1cyclictest31297-21diskmemload23:05:053
58439963,1cyclictest31297-21diskmemload22:05:433
58439963,1cyclictest240-21systemd-journal20:17:103
58439963,1cyclictest240-21systemd-journal20:10:113
58439962,2cyclictest240-21systemd-journal00:34:593
58439962,2cyclictest0-21swapper/322:04:113
58439962,0cyclictest31297-21diskmemload21:37:183
58439961,2cyclictest0-21swapper/321:50:203
58439961,2cyclictest0-21swapper/300:19:523
58439960,4cyclictest0-21swapper/322:55:363
58439960,3cyclictest0-21swapper/322:45:423
58439960,2cyclictest21037-21latency_hist19:40:013
58439960,2cyclictest0-21swapper/321:40:523
58439960,1cyclictest0-21swapper/323:50:453
58439960,1cyclictest0-21swapper/320:40:113
58279960,6cyclictest0-21swapper/123:46:201
58279960,6cyclictest0-21swapper/123:28:031
58279960,6cyclictest0-21swapper/121:58:301
58279960,5cyclictest0-21swapper/122:45:151
58279960,4cyclictest0-21swapper/121:27:341
58279960,4cyclictest0-21swapper/121:05:131
58279960,1cyclictest0-21swapper/122:25:181
58439954,1cyclictest30310-21ntpq21:05:183
58439952,2cyclictest19738-21/usr/sbin/munin20:45:113
58439952,1cyclictest240-21systemd-journal19:25:393
58439951,2cyclictest0-21swapper/320:55:133
58439951,1cyclictest30928-21/usr/sbin/munin20:00:193
58439950,5cyclictest0-21swapper/321:10:343
58439950,5cyclictest0-21swapper/320:51:213
58439950,4cyclictest18678-21latency_hist19:35:003
58439950,2cyclictest0-21swapper/320:05:103
58439950,2cyclictest0-21swapper/319:20:133
58439950,1cyclictest5722-21awk00:05:183
58279955,0cyclictest0-21swapper/123:55:071
58279955,0cyclictest0-21swapper/120:10:141
58279953,1cyclictest0-21swapper/100:25:121
58279951,3cyclictest0-21swapper/119:18:401
58279951,2cyclictest0-21swapper/119:30:151
58279951,1cyclictest0-21swapper/123:40:161
58279951,1cyclictest0-21swapper/121:40:131
58279951,1cyclictest0-21swapper/100:37:131
58279950,5cyclictest0-21swapper/123:39:141
58279950,5cyclictest0-21swapper/123:10:151
58279950,5cyclictest0-21swapper/122:54:271
58279950,5cyclictest0-21swapper/122:11:141
58279950,5cyclictest0-21swapper/121:30:151
58279950,5cyclictest0-21swapper/121:13:421
58279950,5cyclictest0-21swapper/119:21:471
58279950,5cyclictest0-21swapper/100:24:011
58279950,5cyclictest0-21swapper/100:01:381
58279950,4cyclictest0-21swapper/120:20:011
58279950,4cyclictest0-21swapper/100:18:141
58279950,3cyclictest0-21swapper/122:35:351
58279950,3cyclictest0-21swapper/122:06:031
58279950,3cyclictest0-21swapper/121:35:131
58279950,2cyclictest0-21swapper/122:41:501
58279950,2cyclictest0-21swapper/122:04:531
58279950,1cyclictest0-21swapper/122:20:121
58279950,0cyclictest0-21swapper/121:17:451
58279950,0cyclictest0-21swapper/120:51:131
58439941,1cyclictest0-21swapper/321:00:083
58279944,0cyclictest0-21swapper/123:22:221
58279944,0cyclictest0-21swapper/123:07:171
58279944,0cyclictest0-21swapper/120:00:021
58279943,1cyclictest21520-21chrt20:45:451
58279941,2cyclictest0-21swapper/119:45:001
58279941,2cyclictest0-21swapper/119:10:161
58279941,1cyclictest0-21swapper/123:00:181
58279940,4cyclictest0-21swapper/120:40:061
58279940,4cyclictest0-21swapper/119:38:321
58279940,3cyclictest0-21swapper/122:32:081
58279940,3cyclictest0-21swapper/121:50:151
58279940,3cyclictest0-21swapper/120:30:171
58279940,3cyclictest0-21swapper/100:32:471
58279940,3cyclictest0-21swapper/100:05:111
58279940,2cyclictest0-21swapper/123:15:201
58279940,2cyclictest0-21swapper/121:45:141
58279940,2cyclictest0-21swapper/120:00:001
58279940,2cyclictest0-21swapper/119:45:121
58279940,1cyclictest0-21swapper/122:15:001
58279940,1cyclictest0-21swapper/121:20:151
58279940,1cyclictest0-21swapper/120:55:191
58279940,1cyclictest0-21swapper/119:25:181
58279940,0cyclictest0-21swapper/120:20:181
58279940,0cyclictest0-21swapper/100:10:211
58279932,1cyclictest103432sleep120:25:101
58279931,1cyclictest0-21swapper/119:50:121
58279930,2cyclictest0-21swapper/121:00:081
58279930,1cyclictest0-21swapper/120:35:221
58279930,0cyclictest0-21swapper/120:05:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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