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2026-01-10 - 21:48
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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 rack3slot0.osadl.org (updated Sat Jan 10, 2026 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146002960,0sleep40-21swapper/412:30:554
154672900,0sleep10-21swapper/109:39:531
302212830,0sleep40-21swapper/410:40:114
280442780,2sleep0741999cyclictest10:42:230
92692670,0sleep20-21swapper/212:16:362
70882600,0sleep40-21swapper/410:13:444
247502580,0sleep00-21swapper/010:17:080
205342540,0sleep60-21swapper/612:35:546
704525328,9sleep30-21swapper/307:05:493
223262520,0sleep20-21swapper/212:38:222
710825126,9sleep70-21swapper/707:06:417
222482510,0sleep70-21swapper/709:40:237
101052510,0sleep610094-21sshd10:29:406
87092500,2sleep7747499cyclictest09:18:297
20752490,0sleep20-21swapper/211:18:052
143962480,1sleep514398-21grepconf.sh11:53:565
44562470,1sleep64458-21nfsd408:54:176
187962470,0sleep40-21swapper/411:49:234
125252470,0sleep60-21swapper/611:25:466
188432460,0sleep30-21swapper/312:38:073
107772460,0sleep50-21swapper/511:32:425
707724525,17sleep40-21swapper/407:06:144
205672450,0sleep10-21swapper/111:26:211
68782430,0sleep10-21swapper/109:53:151
52062430,0sleep20-21swapper/210:27:112
245942430,0sleep00-21swapper/010:05:470
135642430,1sleep113557-21systemd09:37:371
717024228,10sleep20-21swapper/207:07:332
699824229,9sleep10-21swapper/107:05:071
312832420,0sleep30-21swapper/309:20:013
251392420,1sleep51-21systemd11:22:095
250372420,0sleep70-21swapper/712:10:407
696624128,9sleep00-21swapper/007:04:420
265512410,0sleep30-21swapper/307:39:203
251772410,0sleep70-21swapper/712:01:357
220352410,0sleep30-21swapper/310:32:493
198512410,0sleep30-21swapper/310:16:473
722224029,8sleep50-21swapper/507:08:165
310462400,2sleep7747499cyclictest10:42:387
295192400,0sleep40-21swapper/410:17:284
230502400,0sleep50-21swapper/507:34:175
695423926,9sleep60-21swapper/607:04:326
28702390,2sleep6746899cyclictest10:49:586
282252390,0sleep70-21swapper/711:17:387
171712390,0sleep00-21swapper/011:51:430
323522380,1sleep232354-21kworker/u16:311:11:002
315182380,0sleep20-21swapper/210:08:372
26162380,0sleep40-21swapper/410:06:314
200492380,2sleep4745299cyclictest11:05:184
17352380,0sleep50-21swapper/509:32:125
272692340,2sleep0741999cyclictest12:22:430
744499243,6cyclictest1-21systemd10:24:173
744499233,7cyclictest691-21systemd-logind11:08:113
744499222,4cyclictest28001-21id09:29:173
744499221,5cyclictest4152-21sd-pam11:09:023
744499212,4cyclictest26212-21sshd12:24:503
744499212,4cyclictest24656-21bash12:06:043
97732200,0sleep60-21swapper/611:06:566
744499203,3cyclictest686-21dbus-daemon10:39:133
744499202,5cyclictest23523-21grep11:52:113
744499202,2cyclictest9551-21grep11:23:223
744499202,2cyclictest0-21swapper/312:01:073
744499201,5cyclictest9331-21systemd12:11:523
3722200,0sleep30-21swapper/311:17:583
17372200,0sleep60-21swapper/612:18:326
110312200,0sleep10-21swapper/109:18:391
744499193,6cyclictest11783-21bash09:25:423
744499193,1cyclictest0-21swapper/310:11:153
744499192,5cyclictest25728-21sshd12:20:063
744499192,4cyclictest15550-21bash11:26:003
744499192,3cyclictest31321-21cp09:57:153
744499191,5cyclictest22549-21systemd11:03:173
7468991817,1cyclictest65-21ksoftirqd/609:53:226
7468991814,3cyclictest65-21ksoftirqd/611:22:546
744499183,4cyclictest6696-21grep11:39:203
744499182,5cyclictest26414-21bash12:29:273
744499182,5cyclictest2479-21ystemctl10:56:533
744499182,5cyclictest2479-21ystemctl10:56:533
744499182,5cyclictest13915-21systemctl11:44:313
744499182,5cyclictest1-21systemd11:58:593
744499182,4cyclictest2373-21systemd10:06:303
744499181,5cyclictest686-21dbus-daemon09:59:133
744499181,4cyclictest23498-21bash09:47:183
52392180,0sleep00-21swapper/012:16:180
7468991715,1cyclictest65-21ksoftirqd/612:03:206
7468991715,1cyclictest65-21ksoftirqd/609:18:126
744499173,6cyclictest28402-21sshd12:18:073
744499173,4cyclictest3730-21grep09:39:123
744499172,6cyclictest9282-21bash11:34:543
744499172,5cyclictest29946-21/usr/sbin/munin11:29:203
744499172,5cyclictest14535-21sshd10:36:463
744499172,5cyclictest13236-21systemctl09:14:153
744499172,4cyclictest7260-21sshd10:52:423
744499172,4cyclictest686-21dbus-daemon09:09:413
744499171,5cyclictest691-21systemd-logind10:46:423
744499170,7cyclictest0-21swapper/309:36:233
230662170,1sleep523065-21grepconf.sh11:28:575
7468991614,1cyclictest65-21ksoftirqd/610:55:506
7468991614,1cyclictest65-21ksoftirqd/610:55:506
7468991614,1cyclictest65-21ksoftirqd/610:38:486
7468991614,1cyclictest65-21ksoftirqd/610:23:236
7468991613,2cyclictest492-21systemd-journal10:06:396
744499163,6cyclictest2439-21grep10:20:063
744499162,5cyclictest5678-21bash09:50:423
743399162,4cyclictest1-21systemd12:04:152
126712160,0sleep60-21swapper/609:09:076
114702160,0sleep60-21swapper/609:25:416
7474991512,3cyclictest73-21ksoftirqd/711:26:487
7474991511,1cyclictest1-21systemd10:20:327
7468991514,1cyclictest65-21ksoftirqd/611:53:236
7468991514,1cyclictest65-21ksoftirqd/611:41:416
7468991513,1cyclictest65-21ksoftirqd/612:33:106
7468991513,1cyclictest65-21ksoftirqd/611:14:196
7468991513,1cyclictest65-21ksoftirqd/611:02:506
7468991513,1cyclictest65-21ksoftirqd/610:45:246
7468991513,1cyclictest65-21ksoftirqd/610:40:186
7468991513,1cyclictest65-21ksoftirqd/610:27:296
7468991513,1cyclictest65-21ksoftirqd/610:13:366
7468991513,1cyclictest65-21ksoftirqd/610:02:106
7468991513,1cyclictest65-21ksoftirqd/609:44:366
7468991513,1cyclictest65-21ksoftirqd/609:40:356
7468991513,1cyclictest65-21ksoftirqd/609:38:026
7468991513,1cyclictest65-21ksoftirqd/609:29:346
7468991512,3cyclictest65-21ksoftirqd/611:58:356
253332150,1sleep21477-1kworker/2:1H09:31:292
7468991413,1cyclictest65-21ksoftirqd/611:09:146
7468991412,1cyclictest65-21ksoftirqd/612:19:486
7468991412,1cyclictest65-21ksoftirqd/612:04:506
7468991412,1cyclictest65-21ksoftirqd/611:31:576
7468991412,1cyclictest65-21ksoftirqd/610:15:536
746099140,1cyclictest0-21swapper/511:06:415
744499141,4cyclictest27802-21cpu07:44:133
743399148,4cyclictest33-21ksoftirqd/212:02:132
7427991413,1cyclictest25-21ksoftirqd/110:59:421
7427991412,1cyclictest25-21ksoftirqd/110:37:321
7427991412,1cyclictest25-21ksoftirqd/110:14:221
7419991412,1cyclictest9-21ksoftirqd/011:26:350
7419991412,1cyclictest9-21ksoftirqd/010:29:370
66102140,1sleep16603-21bash09:25:201
52122140,2sleep6746899cyclictest09:20:286
34492140,0sleep60-21swapper/611:36:516
13682140,1sleep51370-21grepconf.sh11:36:425
116812140,0sleep4784-21runrttasks10:25:214
7474991311,1cyclictest73-21ksoftirqd/711:22:447
7474991311,1cyclictest73-21ksoftirqd/710:53:517
7468991312,1cyclictest65-21ksoftirqd/609:55:016
7468991311,1cyclictest65-21ksoftirqd/612:24:036
7468991311,1cyclictest65-21ksoftirqd/612:10:046
7468991311,1cyclictest65-21ksoftirqd/611:44:026
7460991310,2cyclictest6783-21sshd10:40:495
745299130,1cyclictest0-21swapper/412:00:264
744499132,5cyclictest24823-21hddtemp_smartct08:34:153
744499131,4cyclictest5049-21memory07:59:183
744499131,4cyclictest14818-21awk07:19:193
743399132,5cyclictest1-21systemd09:21:162
7433991311,1cyclictest33-21ksoftirqd/211:43:322
7427991311,1cyclictest25-21ksoftirqd/111:45:071
742799130,0cyclictest0-21swapper/112:03:261
7419991311,1cyclictest9-21ksoftirqd/011:19:020
86552120,0sleep50-21swapper/509:20:435
747499122,6cyclictest15866-21sshd12:21:457
747499122,4cyclictest12466-21sshd12:33:067
7474991210,1cyclictest73-21ksoftirqd/711:47:207
7474991210,1cyclictest73-21ksoftirqd/710:10:367
7474991210,1cyclictest492-21systemd-journal10:47:597
746099127,5cyclictest0-21swapper/509:18:225
746099124,7cyclictest691-21systemd-logind10:30:455
746099124,5cyclictest885-21polkitd09:35:075
746099122,4cyclictest9170-21systemd-cgroups10:50:265
746099122,4cyclictest8603-21sshd11:46:285
746099122,4cyclictest21600-21systemd-cgroups10:19:125
746099122,4cyclictest0-21swapper/510:05:435
746099121,5cyclictest4500-21sshd12:20:555
746099120,11cyclictest6950-21kworker/5:212:05:065
746099120,11cyclictest23519-21kworker/5:311:39:305
745299129,2cyclictest686-21dbus-daemon09:27:024
745299126,3cyclictest49-21ksoftirqd/409:12:364
7452991210,1cyclictest49-21ksoftirqd/409:52:584
745299120,1cyclictest1-21systemd10:34:594
744499121,5cyclictest9399-21sensors_fan07:09:213
744499121,5cyclictest7533-21perl08:04:143
744499121,5cyclictest6371-21df08:59:143
744499121,5cyclictest4586-21ntpq08:54:183
744499121,5cyclictest31407-21sendmail_mailst08:44:213
744499121,5cyclictest31058-21df07:49:133
744499121,5cyclictest27611-21expr08:39:183
744499121,5cyclictest22533-21diskstats07:34:143
744499121,5cyclictest19675-21df_inode07:29:153
744499121,5cyclictest18789-21df_inode08:24:143
744499121,5cyclictest16836-21awk07:24:153
744499121,5cyclictest16295-21cat08:19:163
744499121,5cyclictest11056-21df_inode07:14:143
744499121,4cyclictest32656-21grep08:49:123
744499121,4cyclictest14719-21users08:14:233
744499121,2cyclictest8873-21cpuspeed_turbos09:04:143
7433991210,2cyclictest33-21ksoftirqd/209:51:382
7433991210,1cyclictest33-21ksoftirqd/210:34:552
7427991211,1cyclictest25-21ksoftirqd/112:06:191
7427991210,1cyclictest25-21ksoftirqd/111:36:481
7427991210,1cyclictest25-21ksoftirqd/109:44:071
741999122,4cyclictest8319-21systemd11:11:370
741999122,4cyclictest7061-21sshd12:28:140
741999122,4cyclictest0-21swapper/010:12:460
7419991210,1cyclictest9-21ksoftirqd/011:39:140
741999120,11cyclictest686-21dbus-daemon09:32:150
318322120,0sleep40-21swapper/408:44:234
262692120,0sleep20-21swapper/211:22:142
747499118,2cyclictest4166-21sshd11:34:307
747499112,4cyclictest27753-21sshd10:30:557
7474991110,1cyclictest73-21ksoftirqd/711:52:367
747499111,5cyclictest25224-21sd-pam11:03:287
747499111,4cyclictest28547-21sshd12:18:087
747499111,4cyclictest17583-21bash09:58:377
747499110,10cyclictest0-21swapper/711:39:047
747499110,1cyclictest23408-21systemd-cgroups09:29:007
747499110,1cyclictest0-21swapper/711:09:457
746099113,7cyclictest763-21NetworkManager10:54:455
746099113,7cyclictest763-21NetworkManager10:54:455
746099112,4cyclictest8990-21sshd09:53:255
746099111,4cyclictest0-21swapper/510:26:235
746099110,11cyclictest25509-21kworker/5:111:59:365
746099110,11cyclictest21662-21kworker/5:012:24:075
746099110,11cyclictest0-21swapper/509:09:235
746099110,10cyclictest686-21dbus-daemon10:48:165
745299119,1cyclictest49-21ksoftirqd/412:38:464
745299119,1cyclictest0-21swapper/409:19:564
745299117,1cyclictest49-21ksoftirqd/411:56:494
745299114,4cyclictest691-21systemd-logind09:35:154
745299113,4cyclictest19157-21sd-pam11:38:004
7452991110,1cyclictest0-21swapper/407:59:224
745299110,10cyclictest1332-21systemd11:13:274
745299110,10cyclictest1-21systemd10:54:134
745299110,10cyclictest1-21systemd10:54:134
745299110,10cyclictest0-21swapper/409:54:274
744499111,4cyclictest11865-21users08:09:223
743399119,1cyclictest33-21ksoftirqd/211:38:112
743399119,1cyclictest33-21ksoftirqd/209:14:232
743399119,1cyclictest0-21swapper/209:37:472
743399118,2cyclictest20552-21sshd10:58:212
743399118,2cyclictest20552-21sshd10:58:212
743399118,1cyclictest33-21ksoftirqd/209:12:332
743399111,1cyclictest6816-21sshd11:55:362
743399110,11cyclictest0-21swapper/212:25:322
743399110,10cyclictest14715-21sshd09:39:502
743399110,1cyclictest0-21swapper/211:25:092
742799119,1cyclictest885-21polkitd10:20:091
742799119,1cyclictest25-21ksoftirqd/112:33:091
742799119,1cyclictest25-21ksoftirqd/111:39:081
742799119,1cyclictest25-21ksoftirqd/111:30:301
742799119,1cyclictest25-21ksoftirqd/110:31:421
742799119,1cyclictest25-21ksoftirqd/109:19:151
742799119,1cyclictest25-21ksoftirqd/109:12:521
7427991110,1cyclictest25-21ksoftirqd/112:15:141
7427991110,1cyclictest25-21ksoftirqd/111:14:251
7427991110,1cyclictest25-21ksoftirqd/110:48:111
7427991110,1cyclictest25-21ksoftirqd/110:27:241
7427991110,1cyclictest19966-21kworker/1:310:12:261
742799110,11cyclictest8499-21kworker/1:309:56:571
742799110,11cyclictest3647-21kworker/1:010:52:131
742799110,10cyclictest0-21swapper/112:09:531
741999119,1cyclictest9-21ksoftirqd/011:20:220
741999112,6cyclictest492-21systemd-journal10:00:070
741999112,4cyclictest9481-21bash09:35:000
741999112,4cyclictest0-21swapper/011:47:180
7419991110,1cyclictest0-21swapper/009:10:200
741999111,4cyclictest14916-21sshd09:39:510
741999111,4cyclictest13322-21sshd12:30:500
741999111,4cyclictest0-21swapper/011:36:150
741999110,11cyclictest5798-21kworker/0:110:49:230
741999110,11cyclictest30398-21kworker/0:312:05:360
741999110,11cyclictest2654-21kworker/0:109:48:120
741999110,11cyclictest20410-21kworker/0:212:13:590
741999110,11cyclictest0-21swapper/011:29:420
741999110,10cyclictest22102-21kworker/0:210:24:090
48252110,1sleep449-21ksoftirqd/412:04:364
258702110,1sleep588050irq/26-em1-tx-012:31:455
8072100,0sleep50-21swapper/512:36:495
747499102,4cyclictest9300-21systemd10:16:027
747499102,4cyclictest12616-21systemd09:46:317
747499102,3cyclictest0-21swapper/709:19:567
747499101,3cyclictest0-21swapper/709:50:437
747499100,9cyclictest19219-21kworker/7:010:07:567
747499100,10cyclictest11844-21kworker/7:512:28:097
747499100,10cyclictest0-21swapper/710:00:517
747499100,1cyclictest0-21swapper/709:37:197
746099108,1cyclictest57-21ksoftirqd/511:12:035
746099103,4cyclictest19601-21systemd-cgroups10:34:495
746099103,1cyclictest10123-21sshd11:16:185
746099102,4cyclictest885-21polkitd09:41:025
746099100,4cyclictest5398-21sshd10:09:035
746099100,4cyclictest32122-21sshd10:01:495
746099100,4cyclictest20047-21bash09:47:035
746099100,4cyclictest0-21swapper/512:16:055
746099100,10cyclictest19016-21kworker/5:410:14:465
746099100,10cyclictest0-21swapper/511:01:385
745299108,1cyclictest49-21ksoftirqd/412:22:134
745299108,1cyclictest49-21ksoftirqd/412:14:344
745299108,1cyclictest49-21ksoftirqd/412:13:154
745299106,1cyclictest49-21ksoftirqd/410:21:384
745299103,5cyclictest691-21systemd-logind11:27:134
745299103,4cyclictest887-21gdbus09:40:344
745299103,4cyclictest2010-21bash11:48:214
745299103,1cyclictest664-21sshd10:52:144
745299102,5cyclictest885-21polkitd11:16:084
745299102,5cyclictest18478-21systemd11:33:154
745299102,5cyclictest1-21systemd10:47:124
745299102,4cyclictest0-21swapper/411:20:104
745299100,9cyclictest4407-21kworker/4:412:24:134
744499101,1cyclictest0-21swapper/307:54:193
743399109,1cyclictest0-21swapper/210:29:302
743399108,1cyclictest33-21ksoftirqd/211:04:552
743399108,1cyclictest33-21ksoftirqd/210:21:172
743399108,1cyclictest33-21ksoftirqd/209:26:262
743399103,1cyclictest0-21swapper/209:45:132
743399102,5cyclictest763-21NetworkManager10:47:032
743399100,10cyclictest8581-21sshd12:11:492
743399100,1cyclictest0-21swapper/210:51:152
742799109,1cyclictest25-21ksoftirqd/111:55:211
742799109,1cyclictest25-21ksoftirqd/110:03:121
742799108,1cyclictest25-21ksoftirqd/112:19:371
742799108,1cyclictest25-21ksoftirqd/111:06:211
742799108,1cyclictest25-21ksoftirqd/110:04:171
742799107,2cyclictest24350-21systemd12:36:111
742799105,3cyclictest15709-21kworker/1:512:24:531
742799102,6cyclictest31658-21kworker/u16:111:49:261
742799100,1cyclictest11135-21bash10:57:311
742799100,1cyclictest11135-21bash10:57:311
741999109,1cyclictest9-21ksoftirqd/009:19:360
741999107,2cyclictest9-21ksoftirqd/010:56:360
741999107,2cyclictest9-21ksoftirqd/010:56:360
741999105,4cyclictest9-21ksoftirqd/009:55:290
741999103,6cyclictest691-21systemd-logind11:05:410
741999103,4cyclictest31357-21systemd-cgroups12:02:020
741999100,4cyclictest9741-21sshd09:51:000
741999100,4cyclictest0-21swapper/011:02:190
741999100,4cyclictest0-21swapper/009:17:040
741999100,10cyclictest29967-21kworker/0:109:25:130
741999100,10cyclictest23368-21kworker/0:510:34:400
741999100,10cyclictest12716-21kworker/0:011:54:230
741999100,10cyclictest11391-21kworker/0:010:45:300
74749998,1cyclictest73-21ksoftirqd/712:05:267
74749997,1cyclictest73-21ksoftirqd/711:54:337
74749997,1cyclictest73-21ksoftirqd/711:05:497
74749993,6cyclictest0-21swapper/709:10:557
74749993,1cyclictest20027-21sshd10:34:517
74749992,4cyclictest4703-21systemd12:34:457
74749991,4cyclictest20151-21sshd09:31:077
74749991,3cyclictest11913-21sshd10:55:127
74749991,3cyclictest11913-21sshd10:55:127
74749990,5cyclictest21015-21systemd11:31:017
74749990,4cyclictest12008-21systemd-cgroups10:25:227
74689999,0cyclictest0-21swapper/607:49:136
74609998,1cyclictest23008-21sshd12:10:325
74609996,2cyclictest9083-21bash09:57:585
74609992,4cyclictest10617-21sshd11:55:535
74609991,7cyclictest691-21systemd-logind09:26:385
74529997,1cyclictest49-21ksoftirqd/409:17:134
74529997,1cyclictest1-21systemd09:46:534
74529993,2cyclictest10613-21bash11:39:354
74529992,3cyclictest763-21NetworkManager10:29:084
74529990,8cyclictest12623-21kworker/4:009:29:414
74529990,6cyclictest16463-21cp10:00:404
74339996,1cyclictest33-21ksoftirqd/212:29:062
74339993,1cyclictest0-21swapper/211:48:582
74339993,1cyclictest0-21swapper/210:59:452
74339992,6cyclictest0-21swapper/211:29:232
74339992,4cyclictest6068-21systemd09:57:462
74339992,3cyclictest686-21dbus-daemon10:40:482
74339990,9cyclictest25952-21kworker/2:309:59:172
74339990,9cyclictest0-21swapper/207:19:032
74339990,8cyclictest16750-21kworker/2:010:12:442
74339990,6cyclictest21047-21systemd11:49:342
74279997,1cyclictest25-21ksoftirqd/111:19:201
74279997,1cyclictest25-21ksoftirqd/111:10:241
74279997,1cyclictest25-21ksoftirqd/110:39:461
74279997,1cyclictest25-21ksoftirqd/109:32:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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