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2025-12-18 - 14:28
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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 Thu Dec 18, 2025 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750650,0irq/25-eth00-21swapper/107:05:131
120650590,0irq/26-eth1-rx-0-21swapper/307:07:173
2617024824,0sleep20-21swapper/207:05:042
112750460,0irq/25-eth00-21swapper/007:07:100
41150,0ktimersoftd/00-21swapper/011:35:000
2834199150,0cyclictest0-21swapper/310:55:163
2834199150,0cyclictest0-21swapper/310:25:173
28340991312,0cyclictest0-21swapper/211:10:272
28340991312,0cyclictest0-21swapper/210:41:512
2834099130,0cyclictest0-21swapper/211:34:092
2834099130,0cyclictest0-21swapper/210:25:152
28339991311,0cyclictest0-21swapper/110:46:531
2833899130,0cyclictest25822-21ntp_states09:50:170
112750130,0irq/25-eth00-21swapper/310:44:393
28341991212,0cyclictest0-21swapper/309:38:533
28341991210,0cyclictest0-21swapper/312:22:343
2834199120,0cyclictest0-21swapper/311:06:293
2834199120,0cyclictest0-21swapper/310:13:593
28340991211,0cyclictest0-21swapper/209:12:122
28340991210,0cyclictest0-21swapper/211:51:332
28340991210,0cyclictest0-21swapper/210:10:442
28340991210,0cyclictest0-21swapper/210:05:022
2834099120,0cyclictest0-21swapper/210:51:022
2834099120,0cyclictest0-21swapper/208:15:172
28339991211,0cyclictest18-21rcuc/109:32:311
28339991211,0cyclictest10963-21strings12:35:151
28339991211,0cyclictest0-21swapper/109:23:201
2833999120,0cyclictest20252-21diskmemload11:24:591
2833999120,0cyclictest0-21swapper/110:58:021
2833999120,0cyclictest0-21swapper/110:12:021
2833899120,0cyclictest0-21swapper/011:10:340
191120,0ktimersoftd/10-21swapper/112:04:071
28341991111,0cyclictest0-21swapper/310:46:513
28341991111,0cyclictest0-21swapper/310:05:023
28341991111,0cyclictest0-21swapper/309:24:443
28341991110,0cyclictest0-21swapper/311:22:593
28341991110,0cyclictest0-21swapper/309:10:133
2834199110,0cyclictest0-21swapper/312:03:513
2834199110,0cyclictest0-21swapper/311:57:083
2834199110,0cyclictest0-21swapper/310:30:573
2834199110,0cyclictest0-21swapper/310:00:503
2834199110,0cyclictest0-21swapper/308:46:593
2834199110,0cyclictest0-21swapper/308:21:103
2834199110,0cyclictest0-21swapper/308:10:573
2834199110,0cyclictest0-21swapper/308:05:433
28340991111,0cyclictest0-21swapper/212:39:402
28340991111,0cyclictest0-21swapper/211:56:482
28340991111,0cyclictest0-21swapper/211:17:102
28340991111,0cyclictest0-21swapper/209:58:402
28340991111,0cyclictest0-21swapper/209:20:542
28340991111,0cyclictest0-21swapper/209:15:052
28340991110,0cyclictest0-21swapper/210:47:202
2834099110,0cyclictest630-21bash12:29:402
2834099110,0cyclictest0-21swapper/212:34:402
2834099110,0cyclictest0-21swapper/211:00:282
2834099110,0cyclictest0-21swapper/209:26:562
28339991111,0cyclictest0-21swapper/111:47:101
28339991110,0cyclictest0-21swapper/111:08:141
28339991110,0cyclictest0-21swapper/110:32:271
28339991110,0cyclictest0-21swapper/108:25:161
28339991110,0cyclictest0-21swapper/108:25:151
2833999110,0cyclictest0-21swapper/111:19:581
2833999110,0cyclictest0-21swapper/109:50:031
28338991111,0cyclictest0-21swapper/007:35:180
28338991110,0cyclictest0-21swapper/011:20:260
191110,0ktimersoftd/10-21swapper/111:52:101
191110,0ktimersoftd/10-21swapper/109:11:161
112750110,0irq/25-eth022103-21sshd11:04:030
41100,0ktimersoftd/022263-21latency_hist08:05:000
41100,0ktimersoftd/00-21swapper/010:15:150
41100,0ktimersoftd/00-21swapper/009:15:190
2834199109,0cyclictest16248-21fw_conntrack11:00:143
2834199109,0cyclictest11314-21sendmail_mailqu12:35:183
2834199109,0cyclictest0-21swapper/311:44:563
2834199109,0cyclictest0-21swapper/309:30:323
2834199109,0cyclictest0-21swapper/308:36:233
2834199109,0cyclictest0-21swapper/308:26:103
2834199109,0cyclictest0-21swapper/308:26:103
28341991010,0cyclictest0-21swapper/312:32:483
28341991010,0cyclictest0-21swapper/311:19:443
28341991010,0cyclictest0-21swapper/311:14:443
28341991010,0cyclictest0-21swapper/309:56:413
28341991010,0cyclictest0-21swapper/309:46:343
28341991010,0cyclictest0-21swapper/309:27:373
28341991010,0cyclictest0-21swapper/307:53:043
28341991010,0cyclictest0-21swapper/307:34:573
28341991010,0cyclictest0-21swapper/307:26:003
2834199100,0cyclictest0-21swapper/311:54:513
2834199100,0cyclictest0-21swapper/309:18:043
2834099109,0cyclictest0-21swapper/212:08:462
2834099109,0cyclictest0-21swapper/211:22:112
2834099109,0cyclictest0-21swapper/210:36:252
2834099109,0cyclictest0-21swapper/210:32:562
2834099108,0cyclictest0-21swapper/208:43:222
28340991010,0cyclictest0-21swapper/211:05:272
28340991010,0cyclictest0-21swapper/209:54:282
28340991010,0cyclictest0-21swapper/209:42:232
28340991010,0cyclictest0-21swapper/207:37:232
2834099100,0cyclictest0-21swapper/211:49:502
2833999109,0cyclictest20252-21diskmemload10:02:231
2833999109,0cyclictest0-21swapper/111:38:271
28339991010,0cyclictest0-21swapper/111:41:551
28339991010,0cyclictest0-21swapper/111:29:581
28339991010,0cyclictest0-21swapper/111:03:151
28339991010,0cyclictest0-21swapper/110:41:241
28339991010,0cyclictest0-21swapper/110:28:581
28339991010,0cyclictest0-21swapper/109:58:121
2833899109,0cyclictest17534-21latency_hist12:40:010
28338991010,0cyclictest0-21swapper/010:45:010
28338991010,0cyclictest0-21swapper/009:55:100
28338991010,0cyclictest0-21swapper/009:45:250
2833899100,0cyclictest0-21swapper/010:25:160
112750100,0irq/25-eth00-21swapper/010:30:140
4190,0ktimersoftd/00-21swapper/011:06:340
4190,0ktimersoftd/00-21swapper/009:20:180
283419999,0cyclictest0-21swapper/312:19:053
283419999,0cyclictest0-21swapper/312:10:373
283419999,0cyclictest0-21swapper/311:48:253
283419999,0cyclictest0-21swapper/311:34:433
283419999,0cyclictest0-21swapper/311:27:583
283419999,0cyclictest0-21swapper/310:39:383
283419999,0cyclictest0-21swapper/309:44:353
283419999,0cyclictest0-21swapper/308:59:033
283419999,0cyclictest0-21swapper/308:43:503
283419999,0cyclictest0-21swapper/308:15:583
283419999,0cyclictest0-21swapper/307:42:023
283419999,0cyclictest0-21swapper/307:14:163
283419998,0cyclictest0-21swapper/310:52:183
283419990,0cyclictest0-21swapper/312:05:153
283409999,0cyclictest0-21swapper/209:46:212
283409998,0cyclictest7454-21diskstats10:55:112
283409998,0cyclictest18593-21hddtemp_smartct12:20:162
283409990,0cyclictest0-21swapper/209:33:592
283399999,0cyclictest0-21swapper/112:18:031
283399999,0cyclictest0-21swapper/110:15:161
283399999,0cyclictest0-21swapper/107:31:291
283399990,0cyclictest0-21swapper/110:20:111
283389991,0cyclictest0-21swapper/012:00:180
283389991,0cyclictest0-21swapper/011:45:140
283389990,0cyclictest0-21swapper/010:40:140
283389990,0cyclictest0-21swapper/010:05:170
4180,0ktimersoftd/029506-21munin-node08:20:120
4180,0ktimersoftd/028545-21munin-node07:10:090
4180,0ktimersoftd/026697-21sshd11:25:300
4180,0ktimersoftd/00-21swapper/009:29:350
4180,0ktimersoftd/00-21swapper/008:48:430
4180,0ktimersoftd/00-21swapper/008:10:120
283419988,0cyclictest0-21swapper/310:17:133
283419988,0cyclictest0-21swapper/308:31:103
283409988,0cyclictest0-21swapper/211:28:542
283409988,0cyclictest0-21swapper/210:24:132
283409988,0cyclictest0-21swapper/210:15:432
283409988,0cyclictest0-21swapper/209:09:032
283409988,0cyclictest0-21swapper/208:55:062
283409987,0cyclictest0-21swapper/210:00:032
283399988,0cyclictest20252-21diskmemload09:29:241
283399988,0cyclictest0-21swapper/112:25:021
283399988,0cyclictest0-21swapper/111:11:301
283399988,0cyclictest0-21swapper/108:07:371
283399987,0cyclictest20252-21diskmemload12:21:331
283399987,0cyclictest0-21swapper/110:06:331
283399985,0cyclictest15346-21bash09:44:551
283399984,0cyclictest0-21swapper/108:00:141
283399980,0cyclictest0-21swapper/108:53:431
283389984,0cyclictest0-21swapper/010:35:160
283389982,0cyclictest0-21swapper/007:15:110
283389980,0cyclictest20252-21diskmemload10:55:140
283389980,0cyclictest0-21swapper/009:35:480
283389980,0cyclictest0-21swapper/008:50:200
27180,0ktimersoftd/20-21swapper/208:48:442
19180,0ktimersoftd/10-21swapper/108:48:431
12065080,0irq/26-eth1-rx-0-21swapper/012:17:250
11275080,0irq/25-eth013040-21sshd10:01:520
11275080,0irq/25-eth00-21swapper/109:38:201
11275080,0irq/25-eth00-21swapper/009:41:310
11275080,0irq/25-eth00-21swapper/009:10:400
11275080,0irq/25-eth00-21swapper/008:17:100
4170,0ktimersoftd/020252-21diskmemload11:50:040
4170,0ktimersoftd/00-21swapper/011:39:140
283419977,0cyclictest0-21swapper/309:50:303
283419977,0cyclictest0-21swapper/309:01:433
283419976,0cyclictest12129-21fw_forwarded_lo10:20:123
283419970,0cyclictest0-21swapper/308:50:153
283409976,0cyclictest0-21swapper/209:38:272
283409976,0cyclictest0-21swapper/208:38:512
283409973,0cyclictest0-21swapper/209:00:152
283409973,0cyclictest0-21swapper/208:30:142
283409970,0cyclictest0-21swapper/212:10:162
283409970,0cyclictest0-21swapper/208:54:132
283409970,0cyclictest0-21swapper/208:24:052
283409970,0cyclictest0-21swapper/207:46:032
283399977,0cyclictest0-21swapper/110:52:191
283399977,0cyclictest0-21swapper/110:35:571
283399977,0cyclictest0-21swapper/109:04:461
283399976,0cyclictest20-21ksoftirqd/112:30:111
283399975,0cyclictest20-21ksoftirqd/108:10:161
283389977,0cyclictest0-21swapper/009:05:130
283389977,0cyclictest0-21swapper/008:00:580
283389973,0cyclictest4643-21kworker/0:111:56:410
283389973,0cyclictest31113-21kworker/0:012:20:290
283389973,0cyclictest17106-21kworker/0:110:50:570
283389972,0cyclictest0-21swapper/012:10:170
283389971,0cyclictest0-21swapper/012:05:140
283389970,0cyclictest20252-21diskmemload11:15:110
283389970,0cyclictest11246-21df_inode07:40:130
283389970,0cyclictest0-21swapper/012:34:190
283389970,0cyclictest0-21swapper/011:40:380
283389970,0cyclictest0-21swapper/010:10:160
283389970,0cyclictest0-21swapper/009:31:280
283389970,0cyclictest0-21swapper/008:35:150
283389970,0cyclictest0-21swapper/007:55:180
283389970,0cyclictest0-21swapper/007:52:590
283389970,0cyclictest0-21swapper/007:30:130
259970,0migration/231785-21cpuspeed_turbos07:15:092
159970,0watchdog/032668-21munin-node08:25:180
159970,0watchdog/032668-21munin-node08:25:170
11275070,0irq/25-eth027606-21sed12:25:210
11275070,0irq/25-eth01781-21munin-node08:30:170
11275070,0irq/25-eth01539-21sshd12:13:441
11275070,0irq/25-eth01539-21sshd09:17:181
11275070,0irq/25-eth00-21swapper/010:20:380
4160,0ktimersoftd/00-21swapper/008:40:000
283419965,0cyclictest9048-21sshd11:35:113
283419965,0cyclictest30222-21bash12:27:273
283419964,0cyclictest0-21swapper/307:47:233
283419962,0cyclictest0-21swapper/309:05:143
283419962,0cyclictest0-21swapper/307:55:153
283419962,0cyclictest0-21swapper/307:35:163
283419962,0cyclictest0-21swapper/307:15:013
283409965,0cyclictest9837-21fw_forwarded_lo11:35:142
283409965,0cyclictest17808-21fschecks_count11:40:152
283409965,0cyclictest1623-21cpu07:20:112
283409962,0cyclictest0-21swapper/212:00:162
283409962,0cyclictest0-21swapper/208:25:182
283409962,0cyclictest0-21swapper/208:25:182
283409962,0cyclictest0-21swapper/207:55:152
283409962,0cyclictest0-21swapper/207:50:162
283409962,0cyclictest0-21swapper/207:30:152
283409962,0cyclictest0-21swapper/207:10:112
283409961,0cyclictest0-21swapper/208:03:172
283409961,0cyclictest0-21swapper/207:25:012
283409960,0cyclictest0-21swapper/212:16:472
283409960,0cyclictest0-21swapper/208:05:012
283399966,0cyclictest0-21swapper/111:55:531
283399965,0cyclictest7940-21bash11:34:321
283399965,0cyclictest2229-21hddtemp_smartct07:20:141
283399965,0cyclictest16763-21cut07:50:191
283399965,0cyclictest1522-21snmpd08:36:151
283399965,0cyclictest14182-21cat07:45:181
283399965,0cyclictest10975-21cpu07:40:121
283399962,0cyclictest0-21swapper/112:05:161
283399962,0cyclictest0-21swapper/109:05:141
283399962,0cyclictest0-21swapper/108:55:141
283399962,0cyclictest0-21swapper/107:25:161
283399962,0cyclictest0-21swapper/107:15:131
283399960,0cyclictest0-21swapper/108:17:011
283399960,0cyclictest0-21swapper/107:35:131
283389962,0cyclictest0-21swapper/009:00:160
283389962,0cyclictest0-21swapper/008:55:150
283389962,0cyclictest0-21swapper/007:45:170
283389962,0cyclictest0-21swapper/007:25:160
283389962,0cyclictest0-21swapper/007:20:150
169960,0watchdog/16722-21munin-node08:40:131
283419953,0cyclictest0-21swapper/307:21:233
283409951,0cyclictest0-21swapper/208:10:162
283399954,0cyclictest20-21ksoftirqd/107:10:091
283399950,0cyclictest0-21swapper/109:45:031
283399950,0cyclictest0-21swapper/108:30:521
283399950,0cyclictest0-21swapper/108:20:011
283399950,0cyclictest0-21swapper/107:55:071
249950,0watchdog/211252-21diskstats07:40:142
11275050,0irq/25-eth020599-21forks08:00:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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