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2025-12-15 - 15:02
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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 rack2slot0.osadl.org (updated Mon Dec 15, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32262760,2sleep13078999cyclictest12:14:481
296592760,0sleep30-21swapper/311:51:113
258292560,0sleep10-21swapper/111:53:411
201822550,0sleep2311rcuc/209:54:392
277772540,0sleep20-21swapper/212:11:132
123452530,0sleep30-21swapper/311:23:393
268442520,0sleep00-21swapper/010:32:420
214422520,0sleep20-21swapper/211:12:522
145462510,0sleep30-21swapper/311:55:363
177042500,1sleep217699-21bash11:41:292
159302500,1sleep09-21ksoftirqd/012:24:330
150222500,1sleep341-21ksoftirqd/310:01:493
127222500,0sleep10-21swapper/109:26:311
117442500,0sleep10-21swapper/110:19:461
77872490,0sleep30-21swapper/312:12:133
75232490,1sleep27525-21bash12:03:352
54172490,0sleep20-21swapper/211:51:542
183302490,0sleep10-21swapper/109:46:371
87042480,0sleep30-21swapper/311:17:313
241572480,0sleep10-21swapper/110:32:271
106982470,1sleep0111rcuc/012:12:310
101592470,0sleep00-21swapper/010:54:330
327282460,1sleep232731-21bash10:11:342
259322450,0sleep10-21swapper/111:24:541
105632360,0sleep00-21swapper/011:49:280
3058123210,7sleep30-21swapper/307:08:473
3057023210,7sleep20-21swapper/207:08:382
305372308,7sleep10-21swapper/107:08:131
289562298,7sleep00-21swapper/007:06:000
313092210,1sleep131308-21sshd11:02:111
243322200,1sleep30-21swapper/309:02:173
105232180,1sleep10-21swapper/111:46:371
82962170,0sleep20-21swapper/210:04:492
255962170,0sleep3391rcuc/312:25:233
249822160,0sleep224985-21bash10:26:482
234742160,0sleep00-21swapper/009:43:120
146142160,1sleep314613-21bash09:34:223
80692150,0sleep20-21swapper/212:15:132
56092150,1sleep11-21systemd09:56:501
3078999155,3cyclictest25-21ksoftirqd/112:30:571
220542150,0sleep00-21swapper/011:56:170
150062150,0sleep30-21swapper/309:14:233
3079999140,13cyclictest0-21swapper/310:30:083
3078999145,2cyclictest25-21ksoftirqd/110:42:051
3078999144,1cyclictest25-21ksoftirqd/110:28:291
3078999141,7cyclictest674-21dbus-daemon10:35:471
307622140,0sleep00-21swapper/010:21:280
240482140,0sleep1642-21systemd-logind11:39:071
210532140,1sleep021029-21sshd11:12:500
204872140,0sleep3391rcuc/311:35:573
203192140,0sleep30-21swapper/310:37:583
195542140,1sleep20-21swapper/209:08:462
158362140,0sleep00-21swapper/009:57:570
131332140,0sleep00-21swapper/012:06:580
30794991312,0cyclictest4897-21lspci10:15:532
30794991311,1cyclictest674-21dbus-daemon09:14:052
3078999131,1cyclictest29979-21gdbus11:42:291
30789991311,1cyclictest11023-21lspci12:03:541
3078999130,3cyclictest649-21polkitd12:29:441
3078499130,12cyclictest1026-21sshd09:19:100
203112130,0sleep30-21swapper/310:23:243
159142130,0sleep20-21swapper/209:46:182
131362130,0sleep20-21swapper/211:49:412
30799991210,1cyclictest25920-21kworker/u8:011:09:493
3079999120,1cyclictest9110-21grepconf.sh10:25:193
3079999120,1cyclictest11966-21bash11:14:593
3079999120,11cyclictest11784-21lspci12:03:583
30794991212,0cyclictest527-40kipmi007:57:132
30794991211,0cyclictest5137-21lspci12:29:172
3079499120,1cyclictest28589-21sshd11:39:312
3079499120,11cyclictest20425-21sshd10:35:052
3079499120,11cyclictest0-21swapper/208:47:352
3079499120,0cyclictest20630-21sshd11:24:242
3078999129,2cyclictest674-21dbus-daemon11:29:051
3078999124,2cyclictest25-21ksoftirqd/110:09:501
3078999123,3cyclictest25-21ksoftirqd/110:24:291
3078999122,3cyclictest25-21ksoftirqd/110:13:201
30789991210,1cyclictest1598-21lspci11:34:151
3078999120,1cyclictest0-21swapper/109:39:051
30784991210,1cyclictest642-21systemd-logind12:34:000
30784991210,1cyclictest30263-21sshd11:19:300
3078499120,1cyclictest0-21swapper/012:29:100
30799991110,0cyclictest0-21swapper/310:15:193
30799991110,0cyclictest0-21swapper/308:43:593
3079999110,1cyclictest0-21swapper/308:59:493
3079999110,10cyclictest0-21swapper/309:25:183
3079499113,3cyclictest33-21ksoftirqd/209:26:592
3079499113,1cyclictest33-21ksoftirqd/211:56:552
3079499113,1cyclictest33-21ksoftirqd/210:57:432
3079499112,1cyclictest33-21ksoftirqd/210:08:262
3079499112,1cyclictest33-21ksoftirqd/209:40:002
3079499111,2cyclictest131rcu_sched10:31:532
3079499110,3cyclictest121rcu_preempt11:01:572
3079499110,10cyclictest31163-21sshd12:08:352
3079499110,10cyclictest0-21swapper/210:54:452
3079499110,10cyclictest0-21swapper/209:44:442
3079499110,0cyclictest0-21swapper/211:29:152
3079499110,0cyclictest0-21swapper/208:42:252
3078999114,1cyclictest25-21ksoftirqd/110:45:161
3078999113,3cyclictest25-21ksoftirqd/111:58:351
3078999113,1cyclictest25-21ksoftirqd/111:10:291
3078999113,1cyclictest25-21ksoftirqd/111:05:161
3078999113,1cyclictest25-21ksoftirqd/109:30:551
3078999112,3cyclictest25-21ksoftirqd/112:21:571
3078999112,3cyclictest25-21ksoftirqd/111:17:121
3078999112,3cyclictest25-21ksoftirqd/110:56:041
3078999112,2cyclictest25-21ksoftirqd/112:15:481
3078999112,2cyclictest25-21ksoftirqd/109:41:141
3078999112,1cyclictest25-21ksoftirqd/110:52:001
3078999111,2cyclictest527-40kipmi012:36:251
3078999111,2cyclictest25-21ksoftirqd/110:01:071
3078999111,1cyclictest25-21ksoftirqd/112:06:571
3078499119,1cyclictest0-21swapper/011:09:300
30784991110,0cyclictest0-21swapper/010:49:490
3078499110,10cyclictest0-21swapper/010:19:500
3078499110,0cyclictest0-21swapper/008:58:100
298942110,0sleep20-21swapper/212:31:312
3079999109,0cyclictest5690-21lspci10:12:033
3079999109,0cyclictest0-21swapper/312:33:193
3079999109,0cyclictest0-21swapper/310:49:493
3079999109,0cyclictest0-21swapper/310:05:183
3079999109,0cyclictest0-21swapper/309:45:193
3079999109,0cyclictest0-21swapper/309:20:093
3079999109,0cyclictest0-21swapper/308:30:393
3079999101,1cyclictest131rcu_sched11:47:263
3079999100,9cyclictest0-21swapper/312:23:393
3079999100,9cyclictest0-21swapper/308:08:493
3079999100,0cyclictest0-21swapper/310:54:593
3079999100,0cyclictest0-21swapper/310:44:593
3079999100,0cyclictest0-21swapper/307:46:583
3079499109,0cyclictest0-21swapper/208:58:152
3079499108,1cyclictest33-21ksoftirqd/210:21:572
3079499103,3cyclictest33-21ksoftirqd/210:45:502
3079499102,1cyclictest33-21ksoftirqd/210:43:182
3079499101,1cyclictest33-21ksoftirqd/212:36:582
3079499101,1cyclictest33-21ksoftirqd/212:20:412
3079499101,1cyclictest131rcu_sched11:30:012
3079499101,1cyclictest131rcu_sched11:05:442
3079499100,3cyclictest131rcu_sched11:15:232
3079499100,0cyclictest0-21swapper/209:24:452
3078999108,1cyclictest28480-21sshd09:23:351
3078999103,1cyclictest25-21ksoftirqd/109:07:201
3078999103,1cyclictest25-21ksoftirqd/108:48:491
3078999100,3cyclictest642-21systemd-logind08:42:221
3078999100,3cyclictest29979-21gdbus09:53:031
3078999100,0cyclictest0-21swapper/109:03:151
3078499109,0cyclictest0-21swapper/011:54:190
3078499109,0cyclictest0-21swapper/010:39:490
3078499109,0cyclictest0-21swapper/009:54:200
3078499109,0cyclictest0-21swapper/009:29:100
3078499109,0cyclictest0-21swapper/009:08:290
3078499108,1cyclictest0-21swapper/008:52:400
3078499100,0cyclictest0-21swapper/010:29:500
3078499100,0cyclictest0-21swapper/008:42:190
108072100,0sleep00-21swapper/010:40:030
307999998,0cyclictest19392-21lspci10:58:153
307999998,0cyclictest0-21swapper/312:18:293
307999998,0cyclictest0-21swapper/308:54:183
307999991,1cyclictest131rcu_sched12:37:083
307999990,0cyclictest0-21swapper/308:01:393
307999990,0cyclictest0-21swapper/307:32:393
307949991,3cyclictest31170-21sshd09:17:322
307949991,1cyclictest25209-21sshd09:55:142
307949990,1cyclictest33-21ksoftirqd/209:30:542
307949990,1cyclictest131rcu_sched09:02:062
307899991,1cyclictest25-21ksoftirqd/109:12:501
307899990,2cyclictest25-21ksoftirqd/109:17:491
307849998,0cyclictest0-21swapper/012:19:090
307849998,0cyclictest0-21swapper/011:29:290
307849998,0cyclictest0-21swapper/010:14:390
307849998,0cyclictest0-21swapper/010:09:300
307849998,0cyclictest0-21swapper/009:39:100
307849998,0cyclictest0-21swapper/009:33:590
307849998,0cyclictest0-21swapper/008:47:300
307849996,2cyclictest660-21avahi-daemon11:20:520
307999987,0cyclictest23107-21lspci09:39:163
307999987,0cyclictest0-21swapper/311:34:193
307999987,0cyclictest0-21swapper/309:40:083
307999987,0cyclictest0-21swapper/309:09:493
307999985,2cyclictest674-21dbus-daemon11:25:463
307999985,2cyclictest660-21avahi-daemon12:07:223
307999984,2cyclictest12772-21sshd11:00:363
307949987,0cyclictest0-21swapper/208:52:442
307899987,0cyclictest0-21swapper/107:51:551
307899987,0cyclictest0-21swapper/107:26:251
307899987,0cyclictest0-21swapper/107:10:041
307899981,3cyclictest25-21ksoftirqd/108:55:261
307899980,1cyclictest0-21swapper/108:51:221
307849986,1cyclictest5048-21munin-run07:25:000
307849986,1cyclictest31234-21lspci10:59:210
307849986,1cyclictest20461-21lspci11:38:470
307849986,1cyclictest0-21swapper/011:44:200
307849984,3cyclictest660-21avahi-daemon09:46:400
307849984,3cyclictest649-21polkitd12:35:040
307849983,1cyclictest728-21sshd11:02:210
307849980,4cyclictest11178-21systemd-cgroups07:39:590
307999976,0cyclictest0-21swapper/309:50:093
307999976,0cyclictest0-21swapper/307:18:193
307999975,1cyclictest660-21avahi-daemon08:48:313
307999974,2cyclictest660-21avahi-daemon11:40:043
307999974,2cyclictest414-21sshd09:56:133
307949975,1cyclictest33-21ksoftirqd/208:04:592
307849976,0cyclictest0-21swapper/010:04:200
307849975,1cyclictest660-21avahi-daemon09:10:390
307849975,1cyclictest32340-21lspci12:00:030
307849974,2cyclictest28748-21sshd11:30:560
307999965,0cyclictest0-21swapper/308:15:593
307999964,1cyclictest642-21systemd-logind07:40:003
307999963,2cyclictest699-21gdbus09:15:193
307999963,2cyclictest31522-21sadc08:30:013
307999963,2cyclictest1002-21snmpd07:13:293
307949965,0cyclictest33-21ksoftirqd/207:49:592
307949964,1cyclictest660-21avahi-daemon07:30:002
307949964,1cyclictest33-21ksoftirqd/208:20:012
307949964,1cyclictest31529-21perf08:30:002
307949963,2cyclictest1002-21snmpd08:19:402
307949963,2cyclictest1002-21snmpd07:54:032
307949963,2cyclictest1002-21snmpd07:44:152
307949960,5cyclictest0-21swapper/207:14:542
307899961,3cyclictest25-21ksoftirqd/107:41:541
307899961,2cyclictest0-21swapper/108:23:451
307899961,1cyclictest25-21ksoftirqd/108:26:571
307899960,0cyclictest0-21swapper/108:34:251
307899960,0cyclictest0-21swapper/107:35:141
307849966,0cyclictest4585-21kworker/0:207:16:520
307849966,0cyclictest4585-21kworker/0:207:11:530
307849966,0cyclictest31551-21kworker/0:208:31:560
307849966,0cyclictest28968-21kworker/0:109:00:080
307849966,0cyclictest22715-21kworker/0:208:07:000
307849966,0cyclictest11137-21kworker/0:007:51:550
307849964,1cyclictest11800-21sshd09:20:160
307849963,2cyclictest1002-21snmpd08:28:570
307849963,2cyclictest1002-21snmpd08:19:180
307849963,2cyclictest1002-21snmpd07:27:490
307849960,5cyclictest0-21swapper/008:13:500
307999954,0cyclictest0-21swapper/307:25:093
307999953,1cyclictest674-21dbus-daemon07:24:593
307999953,1cyclictest1002-21snmpd08:36:153
307999953,1cyclictest1002-21snmpd07:50:333
307999953,1cyclictest1002-21snmpd07:40:183
307999952,2cyclictest1002-21snmpd08:20:403
307999952,2cyclictest1002-21snmpd08:11:263
307949953,1cyclictest33-21ksoftirqd/207:30:002
307949953,1cyclictest23596-21latency_hist08:10:002
307949953,1cyclictest1002-21snmpd08:31:042
307949953,1cyclictest1002-21snmpd08:05:182
307949953,1cyclictest1002-21snmpd07:36:012
307949953,1cyclictest1002-21snmpd07:23:102
307949953,1cyclictest1002-21snmpd07:17:442
307949952,2cyclictest1002-21snmpd08:35:242
307899953,1cyclictest1705-21sendmail08:16:241
307899953,1cyclictest1002-21snmpd08:05:451
307899953,1cyclictest1002-21snmpd08:00:531
307899953,1cyclictest1002-21snmpd07:45:391
307899953,1cyclictest1002-21snmpd07:30:501
307899953,1cyclictest0-21swapper/107:57:361
307899951,2cyclictest0-21swapper/108:35:011
307899951,2cyclictest0-21swapper/107:16:181
307899951,1cyclictest25-21ksoftirqd/108:11:041
307899950,1cyclictest25-21ksoftirqd/107:21:551
307849955,0cyclictest7063-21kworker/0:107:30:000
307849955,0cyclictest31551-21kworker/0:208:36:580
307849955,0cyclictest25435-21kworker/0:108:20:020
307849955,0cyclictest19277-21kworker/0:108:00:350
307849955,0cyclictest11180-21kworker/0:207:45:000
307849955,0cyclictest11137-21kworker/0:007:55:360
307849955,0cyclictest11137-21kworker/0:007:40:000
307999942,1cyclictest175512sleep307:55:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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