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2026-09-09 - 12:29
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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 rackcslot0.osadl.org (updated Wed Sep 09, 2026 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19222133103,26sleep150-21swapper/1519:09:397
9942132103,24sleep120-21swapper/1219:06:244
1916212390,28sleep90-21swapper/919:09:3315
1688521130,1sleep20-21swapper/220:46:138
1829210990,15sleep140-21swapper/1419:08:186
1959521050,0sleep140-21swapper/1422:23:306
1797210591,9sleep10-21swapper/119:07:491
465821030,2sleep1098-21ksoftirqd/1023:01:412
1726210179,17sleep100-21swapper/1019:06:542
2588921000,5sleep10254599cyclictest22:13:002
94282990,1sleep60-21swapper/623:20:3612
251962990,0sleep10-21swapper/123:40:191
114192990,1sleep20-21swapper/200:07:368
4092980,1sleep100-21swapper/1000:37:102
315432980,5sleep774-21ksoftirqd/723:12:2013
165112960,1sleep30-21swapper/321:46:569
182542950,0sleep150-21swapper/1521:22:007
36402940,0sleep90-21swapper/921:34:4415
36402940,0sleep90-21swapper/921:34:4415
204529279,8sleep20-21swapper/219:10:318
78822900,0sleep140-21swapper/1423:52:346
301632900,0sleep130-21swapper/1323:51:295
277222890,6sleep11254699cyclictest22:17:023
171028972,4sleep00-21swapper/019:06:440
184128875,7sleep70-21swapper/719:08:2713
176372860,0sleep120-21swapper/1222:34:104
206528572,8sleep50-21swapper/519:10:5011
182828573,8sleep130-21swapper/1319:08:175
176628572,8sleep60-21swapper/619:07:2212
171828572,8sleep40-21swapper/419:06:4810
13052850,1sleep110-21swapper/1121:34:303
13052850,1sleep110-21swapper/1121:34:303
95922840,0sleep110-21swapper/1123:46:063
95922840,0sleep110-21swapper/1123:46:063
299212840,0sleep100-21swapper/1022:57:242
186228472,8sleep110-21swapper/1119:08:473
174128375,4sleep80-21swapper/819:07:0814
173628375,4sleep30-21swapper/319:07:039
254612820,1sleep10-21swapper/121:44:301
158032800,0sleep40-21swapper/400:08:1110
181922790,0sleep70-21swapper/723:28:5513
225682770,0sleep100-21swapper/1023:50:532
225682770,0sleep100-21swapper/1023:50:532
178572760,1sleep60-21swapper/623:43:0412
119842670,0sleep50-21swapper/523:49:4411
119842670,0sleep50-21swapper/523:49:4411
323832610,52sleep198650irq/39-eth0-TxR22:06:421
255499511,47cyclictest21176-21sshd22:20:127
109792510,1sleep90-21swapper/900:27:1515
255499480,41cyclictest1-21systemd23:03:187
255499472,43cyclictest7518-21sh21:38:257
255499472,43cyclictest7518-21sh21:38:257
255499470,34cyclictest22101nfsd21:19:167
255499470,34cyclictest22101nfsd21:19:167
255499461,43cyclictest23938-21sh21:47:507
255499461,42cyclictest19191-21rm21:54:207
255499461,42cyclictest0-21swapper/1522:23:117
255499461,37cyclictest0-21swapper/1500:21:547
255499460,38cyclictest0-21swapper/1500:39:397
253599469,35cyclictest14775-21sshd22:08:229
253599461,42cyclictest1050-21dbus-daemon21:40:049
253599461,42cyclictest1050-21dbus-daemon21:40:049
255499451,41cyclictest9823-21sh22:00:517
255499451,41cyclictest549-21systemd-journal22:53:417
255499451,41cyclictest549-21systemd-journal22:53:417
255499450,43cyclictest31603-21systemd-cgroups00:18:547
255499450,43cyclictest16524-21expr22:41:147
255499450,43cyclictest0-21swapper/1500:12:317
255499450,43cyclictest0-21swapper/1500:12:317
255499450,38cyclictest2000-21systemd23:51:557
255499450,38cyclictest0-21swapper/1523:29:377
255499450,37cyclictest0-21swapper/1523:37:337
255499450,37cyclictest0-21swapper/1522:09:127
255499450,34cyclictest0-21swapper/1500:06:337
253599456,36cyclictest3533-21sshd23:37:449
253599450,3cyclictest1054-21NetworkManager21:29:079
253599450,3cyclictest1054-21NetworkManager21:29:079
253599450,3cyclictest0-21swapper/323:29:119
255499441,35cyclictest0-21swapper/1500:35:277
255499441,34cyclictest25642-21systemd23:15:277
255499441,33cyclictest0-21swapper/1523:59:577
255499441,33cyclictest0-21swapper/1523:59:577
255499441,32cyclictest243621sh21:26:297
255499441,32cyclictest243621sh21:26:297
255499440,42cyclictest0-21swapper/1522:34:097
255499440,41cyclictest2210-21nfsd22:36:177
255499440,41cyclictest21891-21systemd21:33:177
255499440,41cyclictest21891-21systemd21:33:177
255499440,41cyclictest14729-21cp23:21:087
255499440,41cyclictest0-21swapper/1522:57:357
255499440,37cyclictest0-21swapper/1521:15:377
253599448,33cyclictest22917-21sshd21:19:149
253599448,33cyclictest22917-21sshd21:19:149
253599442,39cyclictest5628-21sshd00:26:369
253599441,40cyclictest549-21systemd-journal22:28:339
253599440,4cyclictest6900-21sshd23:23:509
253599440,3cyclictest8702-21sshd00:12:079
253599440,3cyclictest8702-21sshd00:12:079
253599440,3cyclictest1-21systemd23:41:479
253599440,3cyclictest1063-21ModemManager22:14:519
253599440,33cyclictest17847-21rm21:54:119
117422440,5sleep4253799cyclictest23:35:1710
255499431,35cyclictest0-21swapper/1522:26:437
255499430,41cyclictest1-21systemd00:01:437
255499430,41cyclictest1-21systemd00:01:437
255499430,40cyclictest0-21swapper/1523:43:017
255499430,37cyclictest0-21swapper/1522:03:447
255499430,34cyclictest2212-21nfsd23:20:007
255499430,33cyclictest0-21swapper/1522:47:557
253599438,32cyclictest770-21sshd22:03:279
253599430,40cyclictest12439-21sshd00:07:449
253599430,3cyclictest0-21swapper/323:16:319
255499420,40cyclictest0-21swapper/1523:32:007
255499420,39cyclictest29698-21env23:08:197
255499420,39cyclictest14500-2110-uname21:43:057
255499420,36cyclictest24772-21systemd23:47:337
255499420,36cyclictest24772-21systemd23:47:337
255499420,30cyclictest0-21swapper/1500:28:017
253599420,4cyclictest28129-21sshd23:01:009
253599420,4cyclictest25618-21systemd22:45:559
253599420,4cyclictest22750-21sshd21:22:319
253599420,3cyclictest1100-21polkitd21:33:319
253599420,3cyclictest1100-21polkitd21:33:319
253599420,3cyclictest1066-21systemd-logind22:21:159
253599420,39cyclictest28056-21sshd22:46:099
253599420,39cyclictest1103-21gdbus22:40:149
253599420,2cyclictest0-21swapper/322:53:319
253599420,2cyclictest0-21swapper/322:53:319
255499410,38cyclictest10015-21sshd22:15:127
253599419,29cyclictest7051-21sshd00:19:519
253599414,2cyclictest0-21swapper/300:02:079
253599414,2cyclictest0-21swapper/300:02:079
253599411,3cyclictest1-21systemd23:11:569
253599410,3cyclictest1615-21sshd21:13:469
253599410,38cyclictest19306-21sshd00:24:489
277912400,1sleep00-21swapper/000:25:460
255499401,36cyclictest23628-21latency_hist20:15:597
255499400,37cyclictest0-21swapper/1519:41:407
253599407,30cyclictest20871-21cpuspeed_turbos20:51:129
253599404,4cyclictest16953-21gdbus00:37:479
253599401,3cyclictest12129-21gdbus23:51:319
253599400,3cyclictest12129-21gdbus23:33:319
253599400,3cyclictest1098-21gdbus00:34:479
253599400,3cyclictest1054-21NetworkManager22:20:159
253599400,3cyclictest0-21swapper/322:56:139
248862400,29sleep60-21swapper/600:36:1812
73472390,1sleep70-21swapper/723:20:2113
255499390,37cyclictest2212-21nfsd21:09:087
255499390,37cyclictest0-21swapper/1520:00:587
253599397,29cyclictest1-21systemd21:41:269
253599395,4cyclictest14481-2110-uname23:06:229
253599394,4cyclictest12129-21gdbus23:57:599
253599394,4cyclictest12129-21gdbus23:57:599
253599390,4cyclictest27631-21systemd22:35:239
253599390,3cyclictest19361-21cat19:30:599
255499380,36cyclictest21127-21grep20:51:127
255499380,36cyclictest20713-21grep19:31:147
255499380,36cyclictest0-21swapper/1520:08:167
255499380,36cyclictest0-21swapper/1519:16:027
253599382,3cyclictest9109-21idleruntime19:56:179
253599381,4cyclictest7673-21gdbus23:47:439
253599381,4cyclictest7673-21gdbus23:47:439
253599381,3cyclictest0-21swapper/320:21:139
253599380,3cyclictest13773-21hddtemp_smartct20:41:159
307812370,26sleep90-21swapper/923:48:1215
307812370,26sleep90-21swapper/923:48:1215
255499371,34cyclictest24463-21awk20:16:117
255499371,34cyclictest18051-21kernelversion20:46:197
255499371,34cyclictest11951-21jpegtopnm20:01:017
255499371,33cyclictest0-21swapper/1521:06:007
255499370,35cyclictest15746-21cpuspeed_turbos19:26:117
255499370,35cyclictest13618-21fschecks_time20:41:147
255499370,35cyclictest0-21swapper/1520:41:007
255499370,35cyclictest0-21swapper/1520:35:587
255499370,35cyclictest0-21swapper/1519:54:587
255499370,35cyclictest0-21swapper/1519:10:597
255499370,34cyclictest24713-21fschecks_count19:36:147
255499370,34cyclictest11849-21cstates19:21:117
253599371,3cyclictest0-21swapper/320:16:389
253599370,4cyclictest10997-21sshd21:56:499
315432360,0sleep90-21swapper/922:17:3215
291092360,5sleep10254599cyclictest23:58:392
291092360,5sleep10254599cyclictest23:58:392
255499361,33cyclictest0-21swapper/1521:00:597
255499361,33cyclictest0-21swapper/1520:26:167
255499360,34cyclictest32513-21expr19:46:097
255499360,34cyclictest0-21swapper/1520:21:457
253599364,2cyclictest0-21swapper/321:06:479
253599351,2cyclictest0-21swapper/320:31:249
253599350,2cyclictest0-21swapper/319:41:229
129722350,0sleep70-21swapper/723:38:4813
253599345,3cyclictest10035-21sed19:16:309
253599341,3cyclictest0-21swapper/320:11:139
253599341,3cyclictest0-21swapper/319:51:149
253599341,3cyclictest0-21swapper/319:21:129
253599340,3cyclictest19855-21latency_hist20:10:599
112052340,1sleep130-21swapper/1323:13:465
76092330,0sleep130-21swapper/1323:27:405
267832330,1sleep120-21swapper/1222:24:164
253599336,3cyclictest16648-21cpuspeed20:46:139
253599331,5cyclictest21750-21nvmesmart_nvme019:31:219
253599331,3cyclictest11530-21taskset20:38:109
253599331,3cyclictest0-21swapper/320:56:219
253599331,3cyclictest0-21swapper/319:11:169
253599330,5cyclictest0-21swapper/320:30:229
253599330,5cyclictest0-21swapper/319:46:129
25092330,1sleep9891ktimersoftd/900:03:1115
25092330,1sleep9891ktimersoftd/900:03:1115
240242330,1sleep00-21swapper/000:13:450
240242330,1sleep00-21swapper/000:13:450
32422320,30sleep110-21swapper/1120:26:363
253599321,3cyclictest32124-21sshd21:01:539
253599321,3cyclictest0-21swapper/320:01:149
228012320,2sleep110-21swapper/1123:11:193
127142321,27sleep101063-21ModemManager22:29:522
123632320,2sleep712361-21sshd23:31:3513
110622320,1sleep20-21swapper/220:00:318
320252310,1sleep140-21swapper/1423:37:206
253599311,3cyclictest0-21swapper/319:37:079
239452310,0sleep120-21swapper/1223:47:274
239452310,0sleep120-21swapper/1223:47:274
190412310,1sleep120-21swapper/1221:54:204
92902300,5sleep14255299cyclictest00:27:046
196202300,0sleep130-21swapper/1322:41:245
160652300,27sleep130-21swapper/1322:08:315
151182300,26sleep015213-21systemd-cgroups23:42:430
131932300,2sleep70-21swapper/700:04:2913
131932300,2sleep70-21swapper/700:04:2913
119572300,1sleep120-21swapper/1222:51:334
119572300,1sleep120-21swapper/1222:51:334
272832290,1sleep20-21swapper/200:36:318
160742290,1sleep130-21swapper/1321:29:275
160742290,1sleep130-21swapper/1321:29:275
114892290,1sleep60-21swapper/622:44:1412
5372280,2sleep110-21swapper/1100:37:123
254099280,26cyclictest0-21swapper/621:06:1012
230602280,2sleep60-21swapper/622:12:4112
228762280,2sleep622971-21mailstats20:51:2312
227832280,6sleep1253399cyclictest00:09:441
153712280,24sleep1016027-21sshd23:21:132
149992280,1sleep120-21swapper/1222:01:174
135072280,3sleep4549-21systemd-journal22:41:0010
125642280,0sleep60-21swapper/623:13:5512
60532270,23sleep120-21swapper/1221:31:364
60532270,23sleep120-21swapper/1221:31:364
284392270,1sleep80-21swapper/822:20:5914
261742270,1sleep50-21swapper/523:22:1211
188712271,22sleep91050-21dbus-daemon22:23:2615
174872270,2sleep110-21swapper/1123:32:123
166592270,23sleep40-21swapper/421:46:5810
96222260,2sleep20-21swapper/221:31:588
96222260,2sleep20-21swapper/221:31:588
86802260,3sleep08770-21systemd23:09:490
7532260,1sleep111041rcuc/1100:26:133
44512260,22sleep60-21swapper/600:06:5312
2538992621,3cyclictest19617-21sh23:11:0911
113932260,1sleep90-21swapper/900:16:1815
86382250,1sleep110-21swapper/1100:20:053
42732250,1sleep101050-21dbus-daemon00:19:312
306532250,20sleep20-21swapper/222:17:268
285632250,2sleep00-21swapper/021:19:540
285632250,2sleep00-21swapper/021:19:540
257352250,0sleep140-21swapper/1421:40:426
257352250,0sleep140-21swapper/1421:40:426
240222250,3sleep91050-21dbus-daemon22:02:1815
233442250,23sleep130-21swapper/1320:12:125
205172250,1sleep020515-21rm23:25:350
171882250,2sleep717189-2110-uname00:28:0113
161432250,2sleep14130-21ksoftirqd/1400:12:536
161432250,2sleep14130-21ksoftirqd/1400:12:536
160742250,1sleep130-21swapper/1320:06:035
125562250,2sleep512553-21iostat_ios22:26:1711
104842250,0sleep120-21swapper/1221:14:444
64512240,1sleep100-21swapper/1019:16:002
288072240,20sleep10-21swapper/100:14:181
288072240,20sleep10-21swapper/100:14:181
129622240,21sleep130-21swapper/1321:21:275
76372230,19sleep90-21swapper/900:12:0115
76372230,19sleep90-21swapper/900:12:0115
5252230,19sleep10-21swapper/121:52:161
45272230,1sleep141291ktimersoftd/1422:07:116
300692230,2sleep101050-21dbus-daemon23:08:232
280392230,0sleep140-21swapper/1423:04:256
254999231,20cyclictest0-21swapper/1323:31:115
2544992317,4cyclictest8653-21run-parts22:47:2415
254099231,3cyclictest17285-21hddtemp_smartct23:21:1612
254099230,21cyclictest0-21swapper/621:26:2212
254099230,21cyclictest0-21swapper/621:26:2212
253899230,22cyclictest2679-21kworker/5:000:39:5911
220952230,2sleep40-21swapper/400:05:3110
220952230,2sleep40-21swapper/400:05:3110
196832230,1sleep91050-21dbus-daemon00:24:5115
182502230,20sleep80-21swapper/823:17:5914
157482230,1sleep10-21swapper/123:35:471
94192220,0sleep5571ktimersoftd/521:42:2611
74252220,10sleep101-21systemd21:49:452
323932220,0sleep9891ktimersoftd/921:13:3615
323892220,2sleep120-21swapper/1222:10:234
285772220,1sleep100-21swapper/1021:55:222
280732220,0sleep130-21swapper/1321:19:505
280732220,0sleep130-21swapper/1321:19:505
254899221,19cyclictest0-21swapper/1222:26:174
254099221,2cyclictest0-21swapper/623:01:1912
254099221,18cyclictest0-21swapper/600:32:1912
2537992217,2cyclictest0-21swapper/423:11:3410
253799220,18cyclictest0-21swapper/422:12:5810
2532992213,7cyclictest19406-21systemd22:19:590
247682220,2sleep130-21swapper/1321:51:245
235312220,1sleep140-21swapper/1423:57:566
235312220,1sleep140-21swapper/1423:57:566
152522220,1sleep10-21swapper/119:26:001
147862220,1sleep50-21swapper/500:27:4411
115152220,1sleep80-21swapper/823:06:1114
113702220,19sleep50-21swapper/522:44:1411
72442210,1sleep70-21swapper/722:43:4213
61462210,1sleep80-21swapper/823:38:0214
303742210,1sleep70-21swapper/722:28:1313
292622210,2sleep20-21swapper/221:16:278
292622210,2sleep20-21swapper/221:16:278
28872210,1sleep60-21swapper/619:50:2512
282402210,17sleep140-21swapper/1423:30:076
280672210,1sleep50-21swapper/500:22:0711
254999212,17cyclictest13854-21systemd21:43:005
254999211,3cyclictest16183-21systemd-cgroups23:25:025
2548992115,4cyclictest1183-21run-parts23:34:054
254399210,2cyclictest1054-21NetworkManager21:11:1914
254299210,3cyclictest3758-21systemd-cgroups21:56:1213
2540992116,3cyclictest145-21kauditd23:28:4312
2540992116,3cyclictest13992-21sshd23:53:1912
2540992115,4cyclictest10601-2110-uname22:59:0312
254099211,3cyclictest0-21swapper/622:22:3612
254099210,19cyclictest0-21swapper/623:32:0312
254099210,18cyclictest28569-21bash00:22:1012
253899213,3cyclictest1-21systemd23:01:5311
2538992116,3cyclictest27165-21env21:23:0211
2538992115,4cyclictest18844-21systemctl22:08:5111
253899210,20cyclictest0-21swapper/523:26:2811
2537992113,5cyclictest31565-21sh23:26:3510
2534992112,2cyclictest29190-21sshd21:59:138
2532992114,4cyclictest19636-21sshd23:39:360
199252210,18sleep50-21swapper/521:33:0511
199252210,18sleep50-21swapper/521:33:0511
176382210,0sleep70-21swapper/700:31:3013
169132210,1sleep516907-21sshd00:31:2811
152502210,1sleep130-21swapper/1300:24:235
143872210,17sleep110-21swapper/1122:26:243
55712200,1sleep80-21swapper/823:48:5914
55712200,1sleep80-21swapper/823:48:5914
54212200,1sleep110-21swapper/1122:43:303
46182200,1sleep10-21swapper/122:18:131
33152200,16sleep40-21swapper/421:41:3710
326112200,2sleep832727-21sshd22:42:5614
2552992014,4cyclictest13124-21sshd22:40:586
2549992015,3cyclictest0-21swapper/1300:29:375
2549992014,3cyclictest32242-21iostat00:11:195
2549992014,3cyclictest32242-21iostat00:11:195
254999200,18cyclictest0-21swapper/1320:16:115
2548992016,2cyclictest0-21swapper/1200:10:104
2548992015,3cyclictest22731-21systemd00:32:114
2546992015,3cyclictest31989-21run-parts23:04:533
2546992015,3cyclictest11368-21sshd00:23:583
2546992014,4cyclictest23913-21sh00:13:433
2546992014,4cyclictest23913-21sh00:13:433
2546992014,4cyclictest14089-21sshd21:21:323
254699200,17cyclictest11369-21kworker/11:422:57:173
254599200,18cyclictest1109-21gdbus23:11:072
2544992015,3cyclictest1050-21dbus-daemon22:06:1015
2544992014,3cyclictest16978-21df20:06:1215
2544992013,4cyclictest15789-21sshd23:57:0015
2544992013,4cyclictest15789-21sshd23:57:0015
254499200,18cyclictest2209-21nfsd23:05:2815
2543992013,3cyclictest5281-21sshd22:58:2214
2543992012,5cyclictest11997-2110-uname22:11:2614
2542992014,4cyclictest29105-21systemd21:30:5613
2542992014,4cyclictest29105-21systemd21:30:5613
2540992016,2cyclictest0-21swapper/622:01:5712
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