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2026-01-12 - 09:52
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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 Jan 12, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
157192840,0sleep2642-21systemd-logind21:26:402
246622740,1sleep3674-21dbus-daemon22:10:403
16382600,0sleep20-21swapper/222:41:062
317182570,0sleep00-21swapper/022:15:000
257032570,0sleep20-21swapper/221:11:422
157932560,0sleep20-21swapper/223:12:512
24532540,0sleep00-21swapper/023:42:160
99242530,0sleep20-21swapper/222:58:282
45742520,0sleep10-21swapper/100:18:351
220342520,0sleep00-21swapper/023:49:340
138122520,0sleep10-21swapper/123:54:231
242962510,0sleep30-21swapper/323:16:193
191782510,1sleep319173-21sshd23:57:343
266512500,0sleep20-21swapper/223:27:402
194702490,0sleep10-21swapper/123:15:541
281822480,1sleep3391rcuc/322:46:083
227202480,1sleep222723-21grep21:42:352
100112480,0sleep110014-21bash22:47:231
255582470,0sleep30-21swapper/323:22:013
255582470,0sleep30-21swapper/323:22:013
136042470,0sleep00-21swapper/023:54:230
265202460,0sleep30-21swapper/321:11:513
126762460,0sleep10-21swapper/122:44:531
19212420,0sleep10-21swapper/123:03:211
35382380,0sleep30-21swapper/300:01:463
120092380,0sleep00-21swapper/000:19:140
224272360,2sleep13010299cyclictest23:13:261
45262340,0sleep10-21swapper/123:25:431
297482297,7sleep20-21swapper/219:06:502
2970822914,10sleep10-21swapper/119:06:211
296382297,7sleep30-21swapper/319:05:313
296652287,7sleep00-21swapper/019:05:490
234612250,0sleep00-21swapper/022:43:010
132442230,3sleep3674-21dbus-daemon22:02:293
297512180,0sleep129757-21nfsd420:25:171
163022180,0sleep10-21swapper/100:36:091
43092170,0sleep20-21swapper/223:09:052
264312170,0sleep20-21swapper/200:09:222
75022160,0sleep10-21swapper/123:37:091
327002160,0sleep30-21swapper/300:18:123
298942160,0sleep10-21swapper/121:43:211
206702160,0sleep10-21swapper/123:49:271
173352160,0sleep10-21swapper/122:16:531
73062150,1sleep0111rcuc/023:23:140
73062150,1sleep0111rcuc/023:23:130
52002150,0sleep00-21swapper/021:37:120
32942150,0sleep20-21swapper/223:00:372
326222150,0sleep00-21swapper/000:04:200
30108991514,0cyclictest9854-21lspci00:32:512
16732150,0sleep00-21swapper/023:03:200
3552140,0sleep00-21swapper/022:49:210
30682140,0sleep30-21swapper/323:11:443
3010899144,1cyclictest33-21ksoftirqd/200:15:132
30108991413,0cyclictest27513-21lspci23:58:182
3010899140,12cyclictest29900-21sshd23:33:332
136772140,1sleep013679-21bash22:55:580
5342130,1sleep3530-21lspci23:30:583
3011199130,1cyclictest0-21swapper/322:23:363
30108991312,0cyclictest27996-21lspci21:32:432
30108991312,0cyclictest1448-21lspci00:21:012
30108991311,1cyclictest0-21swapper/223:36:432
3010899130,12cyclictest29493-21bash00:01:132
3010299130,12cyclictest0-21swapper/122:38:121
118802130,0sleep20-21swapper/221:48:242
104192130,0sleep00-21swapper/023:17:580
3011199120,1cyclictest302-21sshd00:37:363
3011199120,11cyclictest0-21swapper/300:25:063
3010899121,1cyclictest33-21ksoftirqd/222:35:112
30108991211,0cyclictest321ktimersoftd/222:11:592
30108991211,0cyclictest24061-21lspci22:20:572
30108991210,1cyclictest22802-21sshd22:51:132
3010899120,1cyclictest18170-21sshd00:28:032
3010899120,1cyclictest0-21swapper/221:55:432
3010899120,11cyclictest0-21swapper/222:28:332
30102991210,1cyclictest15808-21systemd-cgroups21:26:401
3010299120,1cyclictest21767-21bash00:14:321
3010299120,1cyclictest13280-21sshd22:20:021
3010299120,11cyclictest642-21systemd-logind23:55:411
3010299120,11cyclictest642-21systemd-logind21:20:011
30098991210,1cyclictest620-17auditd22:37:300
30098991210,1cyclictest0-21swapper/000:13:500
3009899120,1cyclictest16753-21grep21:55:500
3009899120,11cyclictest0-21swapper/000:33:590
179552120,0sleep20-21swapper/221:52:312
30111991110,0cyclictest0-21swapper/323:37:363
30111991110,0cyclictest0-21swapper/323:28:053
3011199110,10cyclictest0-21swapper/300:21:163
3011199110,0cyclictest0-21swapper/321:30:463
3010899119,1cyclictest33-21ksoftirqd/221:39:592
3010899119,1cyclictest15154-21sshd23:18:232
3010899119,1cyclictest0-21swapper/222:31:522
30108991110,0cyclictest5765-21lspci23:42:332
30108991110,0cyclictest19166-21lspci23:24:172
30108991110,0cyclictest19166-21lspci23:24:162
30108991110,0cyclictest0-21swapper/222:01:022
30108991110,0cyclictest0-21swapper/200:36:232
3010899110,10cyclictest4853-21kworker/2:023:50:222
3010299119,1cyclictest27395-21rm00:26:021
30102991110,0cyclictest0-21swapper/123:44:511
3010299110,10cyclictest0-21swapper/121:19:201
3010299110,10cyclictest0-21swapper/120:55:211
30098991110,0cyclictest0-21swapper/000:25:400
3009899110,10cyclictest0-21swapper/021:50:490
3009899110,10cyclictest0-21swapper/021:47:100
3009899110,0cyclictest27356-21sshd22:07:290
3009899110,0cyclictest0-21swapper/023:25:100
3011199109,0cyclictest0-21swapper/323:47:463
3011199109,0cyclictest0-21swapper/323:44:163
3011199109,0cyclictest0-21swapper/322:32:263
3011199109,0cyclictest0-21swapper/322:25:453
3011199109,0cyclictest0-21swapper/322:19:053
3011199109,0cyclictest0-21swapper/321:59:063
3011199109,0cyclictest0-21swapper/321:44:363
3011199100,0cyclictest0-21swapper/320:54:463
3011199100,0cyclictest0-21swapper/319:41:453
3010899109,0cyclictest29737-21lspci21:18:022
3010899102,2cyclictest33-21ksoftirqd/223:47:352
3010899100,1cyclictest18184-21sshd22:45:182
3010899100,0cyclictest0-21swapper/222:17:522
3010299109,0cyclictest0-21swapper/122:54:321
3010299109,0cyclictest0-21swapper/122:29:221
3010299109,0cyclictest0-21swapper/119:55:201
3010299108,1cyclictest1073-21nfsd22:34:311
3010299100,0cyclictest0-21swapper/123:08:511
3010299100,0cyclictest0-21swapper/121:56:521
3010299100,0cyclictest0-21swapper/121:51:511
3010299100,0cyclictest0-21swapper/100:22:121
3010299100,0cyclictest0-21swapper/100:03:021
3009899100,9cyclictest0-21swapper/019:56:100
301119998,0cyclictest0-21swapper/321:04:553
301119998,0cyclictest0-21swapper/320:30:453
301119998,0cyclictest0-21swapper/319:59:553
301119997,1cyclictest649-21polkitd00:33:063
301119997,1cyclictest28130-21bash22:43:253
301029998,0cyclictest0-21swapper/122:56:411
301029998,0cyclictest0-21swapper/122:12:021
301029998,0cyclictest0-21swapper/121:13:211
301029998,0cyclictest0-21swapper/100:30:111
300989998,0cyclictest0-21swapper/023:58:490
300989998,0cyclictest0-21swapper/023:37:500
300989998,0cyclictest0-21swapper/022:53:500
300989998,0cyclictest0-21swapper/022:22:300
300989998,0cyclictest0-21swapper/022:01:100
300989998,0cyclictest0-21swapper/020:50:490
300989998,0cyclictest0-21swapper/000:09:590
300989997,1cyclictest24613-21sshd22:10:400
300989991,4cyclictest2553-21munin-run20:40:000
30572280,0sleep30-21swapper/322:35:193
301119987,0cyclictest0-21swapper/321:05:163
301119986,1cyclictest6686-21grepconf.sh21:25:113
301119985,2cyclictest674-21dbus-daemon22:56:163
301119985,2cyclictest660-21avahi-daemon00:05:193
301119984,3cyclictest660-21avahi-daemon23:03:043
301089986,1cyclictest5872-21lspci22:05:122
301089986,1cyclictest33-21ksoftirqd/200:11:302
301029987,0cyclictest0-21swapper/119:35:011
301029986,1cyclictest3219-21lspci23:22:531
301029986,1cyclictest3219-21lspci23:22:521
301029986,1cyclictest1-21systemd21:32:231
301029985,2cyclictest699-21gdbus00:09:591
301029985,2cyclictest660-21avahi-daemon23:31:561
301029985,2cyclictest660-21avahi-daemon22:08:061
300989987,0cyclictest0-21swapper/023:31:090
300989986,1cyclictest25395-21grep23:08:070
300989986,1cyclictest14791-21kworker/0:321:11:310
300989985,2cyclictest660-21avahi-daemon21:31:290
5423270,1sleep05564-21cut20:45:150
301119975,1cyclictest660-21avahi-daemon21:21:453
301119975,1cyclictest620-17auditd21:45:303
301119975,1cyclictest2102-21lspci00:10:033
301119975,1cyclictest20241-21lspci22:50:583
301119975,1cyclictest1-21systemd21:51:553
301119974,2cyclictest674-21dbus-daemon22:06:073
301119974,2cyclictest660-21avahi-daemon21:36:563
301119974,2cyclictest649-21polkitd23:51:113
301119974,2cyclictest30041-21sshd23:05:413
301089976,0cyclictest0-21swapper/221:00:122
301089975,1cyclictest658-21ipmievd20:35:082
301089975,1cyclictest33-21ksoftirqd/221:20:382
301029976,1cyclictest4866-21lspci21:47:371
301029974,2cyclictest699-21gdbus22:01:561
301029972,2cyclictest25735-21sshd21:35:531
300989976,0cyclictest0-21swapper/020:10:490
300989976,0cyclictest0-21swapper/019:43:500
300989976,0cyclictest0-21swapper/019:35:300
300989976,0cyclictest0-21swapper/019:13:500
300989975,1cyclictest674-21dbus-daemon22:29:590
300989975,1cyclictest660-21avahi-daemon22:27:270
300989975,1cyclictest660-21avahi-daemon21:27:070
300989975,1cyclictest660-21avahi-daemon21:21:300
300989975,1cyclictest4204-21sshd00:35:110
300989975,1cyclictest28204-21lspci00:20:300
300989974,2cyclictest699-21gdbus23:10:580
300989974,2cyclictest649-21polkitd21:43:370
7134260,0sleep20-21swapper/220:50:132
301119965,0cyclictest0-21swapper/320:39:463
301119964,1cyclictest674-21dbus-daemon19:40:003
301119964,1cyclictest620-17auditd21:15:253
301119963,2cyclictest1002-21snmpd20:11:593
301119960,5cyclictest6410-21perf19:30:003
301089965,0cyclictest0-21swapper/219:20:132
301089964,1cyclictest1002-21snmpd19:16:412
301089963,2cyclictest1002-21snmpd19:53:402
301089963,2cyclictest1002-21snmpd19:11:512
301089960,5cyclictest0-21swapper/220:30:432
301029964,1cyclictest649-21polkitd20:54:551
301029960,5cyclictest0-21swapper/120:05:111
301029960,5cyclictest0-21swapper/119:32:501
300989964,1cyclictest699-21gdbus21:10:000
300989963,2cyclictest699-21gdbus21:15:040
300989963,2cyclictest1002-21snmpd20:25:340
300989963,2cyclictest1002-21snmpd20:16:500
300989963,2cyclictest1002-21snmpd19:25:360
300989960,5cyclictest0-21swapper/020:57:000
300989960,0cyclictest0-21swapper/019:49:590
301119954,0cyclictest0-21swapper/320:25:563
301119954,0cyclictest0-21swapper/320:21:053
301119953,1cyclictest646-21lsmd20:05:233
301119953,1cyclictest646-21lsmd20:02:243
301119953,1cyclictest5304-21cat20:45:123
301119953,1cyclictest442-21/usr/sbin/munin19:15:243
301119953,1cyclictest3159-21grep20:40:153
301119953,1cyclictest30779-21cat19:10:133
301119953,1cyclictest1002-21snmpd20:56:273
301119953,1cyclictest1002-21snmpd20:16:473
301119953,1cyclictest1002-21snmpd19:51:103
301119953,1cyclictest1002-21snmpd19:20:483
301119952,2cyclictest6914-21entropy19:30:113
301119952,2cyclictest12830-21tr19:45:113
301089953,1cyclictest11997-21unixbench_multi19:40:192
301089953,1cyclictest1002-21snmpd21:08:362
301089953,1cyclictest1002-21snmpd20:46:202
301089953,1cyclictest1002-21snmpd20:20:342
301089953,1cyclictest1002-21snmpd20:11:492
301089953,1cyclictest1002-21snmpd20:05:342
301089953,1cyclictest1002-21snmpd19:55:062
301089953,1cyclictest1002-21snmpd19:47:152
301089953,1cyclictest1002-21snmpd19:36:162
301089953,1cyclictest1002-21snmpd19:31:232
301089953,1cyclictest1002-21snmpd19:25:212
301089953,1cyclictest0-21swapper/220:55:162
301089952,2cyclictest674-21dbus-daemon20:20:012
301089952,2cyclictest1002-21snmpd20:04:252
301089950,0cyclictest0-21swapper/220:25:532
301029953,1cyclictest6379-21kworker/1:019:45:531
301029953,1cyclictest4815-21/usr/sbin/munin20:45:181
301029953,1cyclictest25438-21cat20:15:131
301029953,1cyclictest1705-21sendmail19:23:491
301029953,1cyclictest14871-21cut19:50:121
301029953,1cyclictest11285-21gltestperf21:00:111
301029953,1cyclictest1002-21snmpd20:42:051
301029953,1cyclictest1002-21snmpd20:35:011
301029953,1cyclictest1002-21snmpd20:30:351
301029953,1cyclictest1002-21snmpd20:20:201
301029953,1cyclictest1002-21snmpd20:10:331
301029953,1cyclictest1002-21snmpd19:25:061
301029953,1cyclictest1002-21snmpd19:15:121
301029953,1cyclictest1002-21snmpd19:12:061
301029952,1cyclictest0-21swapper/119:41:261
301029950,4cyclictest12964-21/usr/sbin/munin21:05:161
301029950,0cyclictest0-21swapper/120:01:111
300989953,1cyclictest536-21tr19:15:230
300989953,1cyclictest3055-21cat19:20:140
300989953,1cyclictest19290-21cat20:00:130
300989953,1cyclictest1002-21snmpd21:02:440
300989953,1cyclictest1002-21snmpd20:42:110
300989953,1cyclictest1002-21snmpd20:20:140
300989953,1cyclictest1002-21snmpd20:06:040
300989953,1cyclictest1002-21snmpd19:50:580
300989952,2cyclictest1002-21snmpd19:30:530
301089942,1cyclictest27722sleep220:40:042
300989942,1cyclictest32115-21sensors20:30:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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