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2026-09-18 - 09:36
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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 rack7slot0.osadl.org (updated Fri Sep 18, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650660,0irq/26-eth1-rx-0-21swapper/119:08:331
120650580,0irq/26-eth1-rx-0-21swapper/319:05:243
112750560,0irq/25-eth00-21swapper/219:05:332
120650400,0irq/26-eth1-rx-0-21swapper/019:05:100
271180,0ktimersoftd/229506-21sshd21:29:042
495991615,0cyclictest0-21swapper/121:26:041
49799150,0cyclictest0-21swapper/300:26:283
497991414,0cyclictest0-21swapper/322:43:463
497991413,0cyclictest0-21swapper/323:26:533
496991412,0cyclictest6448-21sshd23:33:322
495991412,0cyclictest5408-21munin-node20:25:181
495991411,0cyclictest0-21swapper/122:53:051
49599140,0cyclictest0-21swapper/120:45:141
494991414,0cyclictest0-21swapper/020:33:260
49499140,0cyclictest0-21swapper/023:36:020
112750140,0irq/25-eth021320-21sshd21:42:553
497991313,0cyclictest112750irq/25-eth022:22:383
497991313,0cyclictest112750irq/25-eth022:22:383
497991312,0cyclictest29513-21sshd23:02:283
497991312,0cyclictest0-21swapper/322:35:313
497991312,0cyclictest0-21swapper/321:29:403
49799130,0cyclictest0-21swapper/323:30:143
496991312,0cyclictest0-21swapper/222:44:172
496991312,0cyclictest0-21swapper/200:01:392
496991311,0cyclictest0-21swapper/219:50:162
496991311,0cyclictest0-21swapper/200:16:592
49699130,0cyclictest0-21swapper/222:19:322
49699130,0cyclictest0-21swapper/221:14:362
495991312,0cyclictest30122-21sshd22:13:491
495991312,0cyclictest0-21swapper/100:31:011
49599131,0cyclictest0-21swapper/121:46:031
49599130,0cyclictest3181-21sshd23:03:121
49599130,0cyclictest0-21swapper/121:55:361
49599130,0cyclictest0-21swapper/121:36:041
49599130,0cyclictest0-21swapper/121:18:381
494991313,0cyclictest0-21swapper/022:29:160
494991313,0cyclictest0-21swapper/022:29:150
494991311,0cyclictest0-21swapper/023:09:050
494991311,0cyclictest0-21swapper/022:16:210
494991310,0cyclictest0-21swapper/022:38:470
271130,0ktimersoftd/20-21swapper/222:08:442
112750130,0irq/25-eth031626-21sshd00:17:463
112750130,0irq/25-eth013812-21sshd23:26:541
497991211,0cyclictest19590-21sshd23:20:093
497991211,0cyclictest0-21swapper/323:07:563
497991211,0cyclictest0-21swapper/322:08:423
497991210,0cyclictest0-21swapper/321:56:233
497991210,0cyclictest0-21swapper/321:35:493
49799120,0cyclictest0-21swapper/322:45:263
49799120,0cyclictest0-21swapper/322:33:123
49799120,0cyclictest0-21swapper/322:17:593
49799120,0cyclictest0-21swapper/321:00:153
49799120,0cyclictest0-21swapper/320:30:183
496991211,0cyclictest30177-21bash23:40:022
496991211,0cyclictest16207-21bash22:49:452
496991211,0cyclictest0-21swapper/223:55:082
496991211,0cyclictest0-21swapper/222:39:392
496991211,0cyclictest0-21swapper/200:35:562
49699120,0cyclictest2407-21sshd22:21:522
49699120,0cyclictest2407-21sshd22:21:512
49699120,0cyclictest21180-21sshd23:39:002
49699120,0cyclictest1041-21sshd21:22:022
49699120,0cyclictest0-21swapper/223:27:512
49699120,0cyclictest0-21swapper/223:03:142
49699120,0cyclictest0-21swapper/222:55:262
49699120,0cyclictest0-21swapper/219:10:452
495991211,0cyclictest29775-21sshd00:02:271
495991211,0cyclictest0-21swapper/123:32:141
495991211,0cyclictest0-21swapper/122:34:571
495991211,0cyclictest0-21swapper/122:16:081
495991210,0cyclictest0-21swapper/123:15:231
495991210,0cyclictest0-21swapper/122:58:461
49599120,0cyclictest16017-21sshd22:42:101
49599120,0cyclictest0-21swapper/100:27:391
49599120,0cyclictest0-21swapper/100:13:211
494991212,0cyclictest0-21swapper/023:20:140
494991211,0cyclictest25208-21sshd21:32:130
494991211,0cyclictest24757-21sshd23:16:530
494991211,0cyclictest23479-21sshd21:13:310
494991211,0cyclictest0-21swapper/023:54:180
494991211,0cyclictest0-21swapper/023:27:000
494991211,0cyclictest0-21swapper/023:13:300
494991211,0cyclictest0-21swapper/021:43:290
494991210,0cyclictest0-21swapper/022:07:040
494991210,0cyclictest0-21swapper/021:22:130
494991210,0cyclictest0-21swapper/000:06:150
49499120,0cyclictest27403-21sshd00:24:580
49499120,0cyclictest24859-21diskmemload22:46:470
49499120,0cyclictest0-21swapper/023:46:440
49499120,0cyclictest0-21swapper/022:51:130
41120,0ktimersoftd/00-21swapper/023:41:030
112750120,0irq/25-eth00-21swapper/321:21:043
112750120,0irq/25-eth00-21swapper/300:04:313
112750120,0irq/25-eth00-21swapper/100:20:331
497991111,0cyclictest0-21swapper/323:55:003
497991111,0cyclictest0-21swapper/323:45:213
497991111,0cyclictest0-21swapper/321:49:243
497991111,0cyclictest0-21swapper/321:14:473
497991110,0cyclictest24859-21diskmemload00:10:063
497991110,0cyclictest20105-21bash00:08:533
497991110,0cyclictest112750irq/25-eth021:17:153
496991111,0cyclictest0-21swapper/221:40:442
496991111,0cyclictest0-21swapper/200:12:342
496991110,0cyclictest1480-21nfsd23:15:252
496991110,0cyclictest12387-21sshd00:26:522
496991110,0cyclictest0-21swapper/221:30:452
496991110,0cyclictest0-21swapper/220:04:182
496991110,0cyclictest0-21swapper/200:22:262
49699110,0cyclictest0-21swapper/220:52:462
49699110,0cyclictest0-21swapper/220:48:282
49599119,0cyclictest0-21swapper/119:22:141
495991111,0cyclictest0-21swapper/122:38:351
495991111,0cyclictest0-21swapper/122:29:021
495991111,0cyclictest0-21swapper/122:29:021
495991110,0cyclictest0-21swapper/122:20:481
495991110,0cyclictest0-21swapper/122:20:471
495991110,0cyclictest0-21swapper/121:53:011
495991110,0cyclictest0-21swapper/121:43:301
49599110,0cyclictest0-21swapper/121:05:241
49499119,0cyclictest0-21swapper/020:54:410
49499119,0cyclictest0-21swapper/019:35:340
494991111,0cyclictest24859-21diskmemload22:56:540
494991111,0cyclictest24859-21diskmemload00:00:470
494991111,0cyclictest0-21swapper/022:42:220
494991111,0cyclictest0-21swapper/020:58:450
494991110,0cyclictest25017-21sshd22:01:570
494991110,0cyclictest0-21swapper/023:01:190
494991110,0cyclictest0-21swapper/022:21:000
494991110,0cyclictest0-21swapper/022:21:000
49499110,0cyclictest0-21swapper/022:33:420
49499110,0cyclictest0-21swapper/022:11:430
49499110,0cyclictest0-21swapper/020:44:480
49499110,0cyclictest0-21swapper/020:37:440
41110,0ktimersoftd/029295-21bash00:17:290
271110,0ktimersoftd/228496-21sshd23:21:032
271110,0ktimersoftd/20-21swapper/221:54:552
112750110,0irq/25-eth010219-21bash22:49:021
112750110,0irq/25-eth00-21swapper/322:03:003
112750110,0irq/25-eth00-21swapper/300:38:333
49799109,0cyclictest9489-21bash22:26:263
49799109,0cyclictest9489-21bash22:26:253
49799109,0cyclictest112750irq/25-eth023:37:593
49799109,0cyclictest10999-21bash23:19:073
49799109,0cyclictest0-21swapper/300:34:143
497991010,0cyclictest0-21swapper/320:15:193
49799100,0cyclictest0-21swapper/323:11:123
49799100,0cyclictest0-21swapper/321:30:563
49799100,0cyclictest0-21swapper/320:50:153
49799100,0cyclictest0-21swapper/300:21:003
49699109,0cyclictest0-21swapper/220:44:102
49699109,0cyclictest0-21swapper/200:08:102
496991010,0cyclictest0-21swapper/220:39:522
496991010,0cyclictest0-21swapper/220:05:502
49699100,0cyclictest0-21swapper/219:28:332
49599109,0cyclictest15181-21bash23:12:011
49599109,0cyclictest112750irq/25-eth000:06:041
49599109,0cyclictest0-21swapper/123:47:201
49599109,0cyclictest0-21swapper/120:55:171
49599109,0cyclictest0-21swapper/100:37:441
495991010,0cyclictest0-21swapper/121:24:481
49599100,0cyclictest0-21swapper/123:07:361
49599100,0cyclictest0-21swapper/122:00:311
49599100,0cyclictest0-21swapper/120:34:231
49499109,0cyclictest0-21swapper/021:58:070
49499109,0cyclictest0-21swapper/019:17:070
49499109,0cyclictest0-21swapper/019:14:260
494991010,0cyclictest0-21swapper/020:22:030
494991010,0cyclictest0-21swapper/019:56:230
494991010,0cyclictest0-21swapper/000:31:420
49499100,0cyclictest0-21swapper/019:54:510
49499100,0cyclictest0-21swapper/000:37:220
41100,0ktimersoftd/024859-21diskmemload21:29:200
41100,0ktimersoftd/00-21swapper/020:25:530
1599100,0watchdog/031146-21sshd00:25:160
112750100,0irq/25-eth019869-21bash22:57:403
4979999,0cyclictest0-21swapper/322:51:193
4979999,0cyclictest0-21swapper/320:39:503
4979998,0cyclictest112750irq/25-eth023:59:563
4979998,0cyclictest112750irq/25-eth023:40:063
4979990,0cyclictest0-21swapper/320:45:203
4979990,0cyclictest0-21swapper/319:52:403
4969999,0cyclictest15403-21sshd23:12:032
4969999,0cyclictest0-21swapper/223:48:382
4969999,0cyclictest0-21swapper/222:54:092
4969999,0cyclictest0-21swapper/222:30:062
4969999,0cyclictest0-21swapper/221:39:282
4969999,0cyclictest0-21swapper/220:34:042
4969999,0cyclictest0-21swapper/220:23:572
4969999,0cyclictest0-21swapper/200:30:142
4969998,0cyclictest0-21swapper/221:49:272
4969998,0cyclictest0-21swapper/221:05:112
4969990,0cyclictest0-21swapper/220:19:392
4969990,0cyclictest0-21swapper/219:55:022
4959999,0cyclictest0-21swapper/123:54:541
4959999,0cyclictest0-21swapper/123:22:541
4959999,0cyclictest0-21swapper/121:33:301
4959999,0cyclictest0-21swapper/120:22:181
4959999,0cyclictest0-21swapper/119:19:341
4959999,0cyclictest0-21swapper/119:10:371
4959998,0cyclictest0-21swapper/123:38:441
4959990,0cyclictest0-21swapper/120:43:271
4959990,0cyclictest0-21swapper/120:14:311
4949999,0cyclictest0-21swapper/021:08:100
4949999,0cyclictest0-21swapper/020:47:360
4949999,0cyclictest0-21swapper/019:40:350
4949999,0cyclictest0-21swapper/019:22:140
4949998,0cyclictest0-21swapper/023:30:210
4949990,0cyclictest0-21swapper/019:47:050
4190,0ktimersoftd/028810-21sshd23:58:360
4190,0ktimersoftd/024859-21diskmemload21:50:230
4190,0ktimersoftd/024859-21diskmemload21:39:020
4190,0ktimersoftd/015864-21sshd21:49:480
4979988,0cyclictest0-21swapper/319:47:113
4979988,0cyclictest0-21swapper/319:22:343
4979987,0cyclictest7648-21bash21:52:313
4979987,0cyclictest112750irq/25-eth022:11:193
4969988,0cyclictest0-21swapper/221:19:292
4969988,0cyclictest0-21swapper/219:38:452
4969988,0cyclictest0-21swapper/219:21:402
4969988,0cyclictest0-21swapper/219:16:212
4969987,0cyclictest28429-21sshd22:13:372
4959988,0cyclictest0-21swapper/122:09:101
4959988,0cyclictest0-21swapper/119:48:301
4959988,0cyclictest0-21swapper/100:19:521
4959980,0cyclictest0-21swapper/120:01:431
4959980,0cyclictest0-21swapper/119:32:491
4949988,0cyclictest0-21swapper/021:04:060
4949988,0cyclictest0-21swapper/000:12:450
4949983,0cyclictest0-21swapper/019:32:130
4949980,0cyclictest0-21swapper/020:10:120
4180,0ktimersoftd/011059-21cp21:15:430
19180,0ktimersoftd/10-21swapper/119:43:581
4979974,0cyclictest0-21swapper/319:34:473
4969977,0cyclictest0-21swapper/220:55:332
4969976,0cyclictest10260-21sshd22:26:312
4969976,0cyclictest10260-21sshd22:26:302
4969976,0cyclictest0-21swapper/223:08:402
4969976,0cyclictest0-21swapper/220:10:222
4959977,0cyclictest0-21swapper/120:19:171
4959977,0cyclictest0-21swapper/120:06:301
4959976,0cyclictest6505-21sshd23:55:551
4959973,0cyclictest0-21swapper/119:25:161
4959970,0cyclictest0-21swapper/120:50:151
4949970,0cyclictest9662-21ntp_states19:25:180
4949970,0cyclictest0-21swapper/020:19:380
11275070,0irq/25-eth020-21ksoftirqd/123:41:141
11275070,0irq/25-eth020-21ksoftirqd/121:14:111
4979965,0cyclictest29451-21munin-node20:10:173
4979962,0cyclictest0-21swapper/320:40:163
4979962,0cyclictest0-21swapper/320:25:143
4979962,0cyclictest0-21swapper/320:20:153
4979962,0cyclictest0-21swapper/320:05:163
4979962,0cyclictest0-21swapper/319:55:153
4979962,0cyclictest0-21swapper/319:25:163
4979962,0cyclictest0-21swapper/319:15:013
4979962,0cyclictest0-21swapper/319:10:143
4979960,0cyclictest0-21swapper/319:39:453
4969966,0cyclictest0-21swapper/221:02:242
4969966,0cyclictest0-21swapper/219:43:462
4969965,0cyclictest28-21ksoftirqd/222:00:072
4969965,0cyclictest28-21ksoftirqd/221:55:052
4969960,0cyclictest20326-21sshd23:50:102
4969960,0cyclictest0-21swapper/219:45:122
4969960,0cyclictest0-21swapper/219:34:492
4959966,0cyclictest0-21swapper/119:51:451
4959966,0cyclictest0-21swapper/119:36:171
4959965,0cyclictest23334-21latency19:55:161
4949963,0cyclictest0-21swapper/020:05:130
329960,0watchdog/318819-21munin-node20:55:133
159960,0watchdog/025427-21tune2fs20:00:130
12065060,0irq/26-eth1-rx-0-21swapper/319:40:153
4979954,0cyclictest24488-21taskset21:05:383
4979950,0cyclictest0-21swapper/320:00:173
4969950,0cyclictest0-21swapper/220:25:162
4959950,0cyclictest0-21swapper/121:02:471
4959950,0cyclictest0-21swapper/120:37:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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