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2026-04-19 - 12:00
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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 all highest latencies:
System rack2slot0.osadl.org (updated Sun Apr 19, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240982760,0sleep024084-21sshd21:20:560
270282550,0sleep30-21swapper/323:20:193
20672550,0sleep10-21swapper/123:03:551
30762540,0sleep10-21swapper/100:21:331
151542540,1sleep00-21swapper/000:29:010
128462520,0sleep10-21swapper/123:05:031
116882520,0sleep111652-21sshd00:25:251
305612500,0sleep10-21swapper/123:53:081
14082500,0sleep30-21swapper/322:05:173
132452500,0sleep20-21swapper/200:31:552
56962490,0sleep00-21swapper/023:07:370
54922490,0sleep30-21swapper/323:53:513
40922490,0sleep20-21swapper/221:31:442
282402490,0sleep00-21swapper/022:20:000
231962490,0sleep10-21swapper/121:46:041
195572490,0sleep10-21swapper/121:11:201
65092480,0sleep00-21swapper/023:41:190
232102480,0sleep20-21swapper/222:13:292
212312480,0sleep10-21swapper/121:36:551
122172480,0sleep00-21swapper/022:42:460
322652470,0sleep20-21swapper/223:30:512
265902470,0sleep10-21swapper/122:53:241
14962460,0sleep00-21swapper/022:11:230
321972450,2sleep32340999cyclictest21:59:083
261242440,0sleep0111rcuc/021:58:320
206202350,2sleep02338999cyclictest23:49:040
151942310,1sleep233-21ksoftirqd/222:06:352
231322276,7sleep30-21swapper/319:08:093
2297122413,7sleep20-21swapper/219:06:132
2318922210,7sleep00-21swapper/019:08:550
62202210,0sleep16219-21sshd00:37:311
2307122110,7sleep10-21swapper/119:07:241
114342210,0sleep20-21swapper/222:51:532
198172190,1sleep219816-21grep21:39:532
58912180,0sleep10-21swapper/121:23:051
196742180,0sleep20-21swapper/223:48:582
38942170,0sleep20-21swapper/223:53:422
30742170,0sleep20-21swapper/222:38:562
30742170,0sleep20-21swapper/222:38:562
15672170,0sleep20-21swapper/222:20:262
316972160,1sleep131694-21bash00:33:461
268552160,0sleep00-21swapper/000:11:310
243142160,0sleep324306-21bash23:09:373
222992160,0sleep00-21swapper/023:39:460
150132160,1sleep015010-21sshd23:15:350
14362150,0sleep10-21swapper/122:20:251
68852140,0sleep10-21swapper/100:00:141
23396991412,1cyclictest649-21polkitd22:13:161
2339699140,1cyclictest26645-21sshd22:38:061
2339699140,1cyclictest26645-21sshd22:38:061
186482140,0sleep20-21swapper/223:55:102
128662140,0sleep30-21swapper/322:27:403
268622130,0sleep30-21swapper/300:17:423
23409991311,1cyclictest674-21dbus-daemon00:28:443
2340999130,1cyclictest29979-21gdbus22:03:553
2340999130,11cyclictest24362-21grep19:10:153
23401991312,0cyclictest1002-21snmpd20:11:112
2339699130,12cyclictest0-21swapper/123:21:361
23389991311,1cyclictest642-21systemd-logind22:49:500
23389991311,1cyclictest1-21systemd22:06:400
118202130,0sleep10-21swapper/122:27:341
23409991211,0cyclictest0-21swapper/321:20:253
23409991210,1cyclictest674-21dbus-daemon21:32:153
23409991210,1cyclictest25208-21lspci23:13:153
23409991210,1cyclictest25208-21lspci23:13:143
23409991210,1cyclictest1181-21lspci22:57:153
2340999120,1cyclictest0-21swapper/322:42:153
2340999120,11cyclictest0-21swapper/300:38:253
23401991211,0cyclictest28520-21lspci00:14:512
23401991211,0cyclictest24694-21lspci21:21:012
23401991211,0cyclictest0-21swapper/221:46:312
23401991210,1cyclictest25454-21sshd21:12:112
23401991210,1cyclictest0-21swapper/221:44:012
2340199120,1cyclictest18452-21sshd23:22:522
2340199120,1cyclictest16462-21hddtemp_smartct22:40:122
2340199120,11cyclictest0-21swapper/223:18:522
23396991210,1cyclictest18971-21sshd23:45:361
2339699120,11cyclictest3307-21bash23:37:461
23389991211,0cyclictest0-21swapper/022:02:100
23389991210,1cyclictest0-21swapper/023:25:290
233322120,0sleep30-21swapper/320:25:173
215412120,1sleep121534-21sshd23:26:251
182362120,0sleep2311rcuc/200:35:322
2340999119,1cyclictest7874-21sshd21:38:453
23409991110,0cyclictest0-21swapper/322:53:153
2340999110,10cyclictest6686-21lspci21:41:353
2340999110,10cyclictest0-21swapper/322:21:053
2340999110,0cyclictest75750irq/24-eno1-rx-00:14:053
2340199119,1cyclictest33-21ksoftirqd/222:00:012
23401991111,0cyclictest527-40kipmi023:35:412
2340199110,10cyclictest29351-21kworker/2:223:28:492
2340199110,10cyclictest0-21swapper/200:19:522
23396991110,0cyclictest0-21swapper/122:31:351
2339699110,10cyclictest0-21swapper/100:07:061
2338999110,10cyclictest0-21swapper/022:32:200
2338999110,10cyclictest0-21swapper/000:01:100
2340999109,0cyclictest0-21swapper/323:01:153
2340999108,1cyclictest986-21sshd22:17:243
2340999108,1cyclictest27481-21bash22:32:053
2340999100,9cyclictest0-21swapper/320:53:553
2340999100,0cyclictest0-21swapper/323:56:153
2340999100,0cyclictest0-21swapper/323:26:053
2340999100,0cyclictest0-21swapper/323:15:153
2340999100,0cyclictest0-21swapper/321:15:053
2340999100,0cyclictest0-21swapper/319:20:253
2340999100,0cyclictest0-21swapper/300:09:053
2340199109,0cyclictest18114-21lspci23:08:552
2340199109,0cyclictest0-21swapper/223:42:322
2340199109,0cyclictest0-21swapper/220:25:212
2340199101,1cyclictest131rcu_sched22:04:062
23401991010,0cyclictest527-40kipmi019:24:442
2340199100,0cyclictest0-21swapper/200:27:112
2339699109,0cyclictest0-21swapper/123:17:361
2339699108,1cyclictest30092-21sshd21:58:561
2339699108,1cyclictest1-21systemd00:12:061
2339699100,0cyclictest0-21swapper/123:58:561
2339699100,0cyclictest0-21swapper/122:08:451
2339699100,0cyclictest0-21swapper/122:04:161
2338999100,9cyclictest0-21swapper/020:37:200
2338999100,0cyclictest0-21swapper/023:55:400
234099998,0cyclictest0-21swapper/323:49:353
234099998,0cyclictest0-21swapper/319:18:553
234099996,2cyclictest674-21dbus-daemon21:47:263
234099996,2cyclictest660-21avahi-daemon22:12:363
234019998,0cyclictest0-21swapper/221:26:302
234019998,0cyclictest0-21swapper/200:08:422
234019997,1cyclictest642-21systemd-logind21:50:412
234019997,1cyclictest33-21ksoftirqd/223:10:382
234019997,1cyclictest33-21ksoftirqd/223:10:372
234019997,1cyclictest33-21ksoftirqd/200:24:542
234019997,1cyclictest33-21ksoftirqd/200:00:202
234019995,1cyclictest33-21ksoftirqd/222:16:482
234019991,2cyclictest642-21systemd-logind22:46:342
234019991,1cyclictest131rcu_sched22:32:312
234019990,1cyclictest15159-21rm22:27:542
233969998,0cyclictest0-21swapper/120:30:161
233969997,1cyclictest674-21dbus-daemon22:46:161
233899998,0cyclictest0-21swapper/023:54:300
233899998,0cyclictest0-21swapper/021:35:000
233899998,0cyclictest0-21swapper/021:28:300
233899998,0cyclictest0-21swapper/021:15:490
233899998,0cyclictest0-21swapper/000:35:300
233899997,1cyclictest723-21gdbus00:19:390
233899997,1cyclictest5454-21sshd23:21:300
233899997,1cyclictest31406-21sshd22:29:300
233899992,3cyclictest32261-21crond20:50:000
12897290,0sleep00-21swapper/000:31:530
10905290,1sleep0101ktimersoftd/022:58:130
9172280,0sleep00-21swapper/019:50:190
28547280,6sleep328740-21bash22:38:183
28547280,6sleep328740-21bash22:38:173
234099987,0cyclictest0-21swapper/321:09:453
234099987,0cyclictest0-21swapper/320:57:053
234099987,0cyclictest0-21swapper/320:35:153
234099986,1cyclictest660-21avahi-daemon21:25:263
234099986,1cyclictest660-21avahi-daemon00:20:063
234099985,2cyclictest660-21avahi-daemon23:31:503
234099985,2cyclictest660-21avahi-daemon21:50:283
234099985,2cyclictest660-21avahi-daemon00:02:063
234099984,3cyclictest30638-21sshd00:30:233
234099984,3cyclictest25779-21sshd23:36:423
234019986,1cyclictest33-21ksoftirqd/223:00:362
234019986,1cyclictest33-21ksoftirqd/221:18:222
234019983,2cyclictest699-21gdbus22:55:252
233969987,0cyclictest0-21swapper/121:41:551
233969987,0cyclictest0-21swapper/119:41:261
233969986,1cyclictest660-21avahi-daemon22:55:271
233969986,1cyclictest0-21swapper/121:28:561
233969985,2cyclictest660-21avahi-daemon23:30:411
233969985,2cyclictest660-21avahi-daemon22:41:361
233969985,2cyclictest660-21avahi-daemon00:15:381
233899987,0cyclictest0-21swapper/000:09:390
233899986,1cyclictest20840-21lspci23:32:590
233899985,2cyclictest660-21avahi-daemon22:35:440
233899985,2cyclictest660-21avahi-daemon22:35:440
233899985,2cyclictest660-21avahi-daemon21:50:210
233899985,2cyclictest660-21avahi-daemon00:20:180
233899985,2cyclictest14205-21sshd21:42:170
233899980,4cyclictest7817-21crond19:50:000
234099974,2cyclictest660-21avahi-daemon23:40:053
234099974,2cyclictest660-21avahi-daemon22:45:303
234099974,2cyclictest660-21avahi-daemon21:11:243
233969975,1cyclictest660-21avahi-daemon23:10:331
233969975,1cyclictest660-21avahi-daemon23:10:331
233969975,1cyclictest660-21avahi-daemon22:17:251
233969974,2cyclictest9431-21sshd23:41:351
233969974,1cyclictest674-21dbus-daemon21:31:481
233969974,1cyclictest13456-21sshd21:51:131
233899975,1cyclictest674-21dbus-daemon23:00:340
233899975,1cyclictest660-21avahi-daemon23:10:270
233899975,1cyclictest660-21avahi-daemon23:10:270
233899975,1cyclictest660-21avahi-daemon22:53:450
233899975,1cyclictest649-21polkitd21:35:390
233899974,2cyclictest674-21dbus-daemon22:20:070
233899974,2cyclictest674-21dbus-daemon21:46:120
233899974,2cyclictest660-21avahi-daemon21:11:480
234099964,1cyclictest17143-21head20:10:183
234099963,2cyclictest674-21dbus-daemon20:10:023
234099963,2cyclictest674-21dbus-daemon20:10:013
234099963,2cyclictest1002-21snmpd20:16:533
234099963,2cyclictest1002-21snmpd20:16:533
234019965,0cyclictest0-21swapper/219:57:312
234019965,0cyclictest0-21swapper/219:50:312
234019963,2cyclictest1002-21snmpd20:56:362
234019963,2cyclictest1002-21snmpd20:50:272
234019963,2cyclictest1002-21snmpd19:45:512
233969964,1cyclictest445-21systemd-journal19:24:591
233969963,2cyclictest674-21dbus-daemon21:15:021
233969963,2cyclictest1002-21snmpd21:04:061
233969960,5cyclictest0-21swapper/119:31:561
233899965,0cyclictest0-21swapper/020:20:000
233899965,0cyclictest0-21swapper/020:19:590
233899965,0cyclictest0-21swapper/019:37:190
233899963,2cyclictest1002-21snmpd20:55:030
233899963,2cyclictest1002-21snmpd20:51:140
233899963,2cyclictest1002-21snmpd19:26:370
233899963,1cyclictest0-21swapper/020:35:000
233899960,0cyclictest0-21swapper/019:59:000
234099954,0cyclictest0-21swapper/321:01:253
234099953,1cyclictest1002-21snmpd20:45:413
234099953,1cyclictest1002-21snmpd19:55:373
234099953,1cyclictest1002-21snmpd19:48:463
234099953,1cyclictest1002-21snmpd19:42:133
234099953,1cyclictest1002-21snmpd19:36:103
234099953,1cyclictest1002-21snmpd19:25:373
234099952,2cyclictest1002-21snmpd20:40:153
234099952,2cyclictest1002-21snmpd19:30:093
234099952,1cyclictest8724-21sort19:50:153
234099951,3cyclictest12558-21ls20:00:153
234099950,4cyclictest21098-21cut20:20:143
234099950,4cyclictest21098-21cut20:20:133
234099950,0cyclictest0-21swapper/320:31:153
234019954,0cyclictest0-21swapper/219:35:112
234019953,1cyclictest6763-21cat21:05:152
234019953,1cyclictest674-21dbus-daemon20:30:012
234019953,1cyclictest30941-21mii-tool20:45:132
234019953,1cyclictest26650-21cat19:15:152
234019953,1cyclictest24064-21cat19:10:142
234019953,1cyclictest1002-21snmpd21:02:262
234019953,1cyclictest1002-21snmpd20:40:032
234019953,1cyclictest1002-21snmpd20:39:262
234019953,1cyclictest1002-21snmpd20:05:112
234019953,1cyclictest1002-21snmpd20:05:102
234019953,1cyclictest1002-21snmpd20:00:262
234019952,2cyclictest1002-21snmpd20:15:472
234019952,2cyclictest1002-21snmpd20:15:472
234019952,2cyclictest1002-21snmpd19:40:012
234019952,2cyclictest1002-21snmpd19:25:042
234019950,0cyclictest0-21swapper/219:31:312
233969955,0cyclictest32013-21kworker/1:219:35:281
233969953,1cyclictest9458-21users19:50:201
233969953,1cyclictest7367-21unixbench_singl19:45:191
233969953,1cyclictest699-21gdbus20:10:041
233969953,1cyclictest674-21dbus-daemon21:09:531
233969953,1cyclictest674-21dbus-daemon21:00:001
233969953,1cyclictest674-21dbus-daemon19:30:001
233969953,1cyclictest28905-21mii-tool20:40:131
233969953,1cyclictest1002-21snmpd20:49:271
233969953,1cyclictest1002-21snmpd20:25:321
233969953,1cyclictest1002-21snmpd20:20:171
233969953,1cyclictest1002-21snmpd20:20:171
233969953,1cyclictest1002-21snmpd20:08:231
233969953,1cyclictest1002-21snmpd20:08:231
233969952,2cyclictest26453-21tr19:15:141
233969952,2cyclictest1002-21snmpd20:51:361
233969952,2cyclictest1002-21snmpd19:57:101
233969952,2cyclictest0-21swapper/120:35:081
233969950,4cyclictest12136-21/usr/sbin/munin20:00:181
233969950,2cyclictest18765-21irqstats20:15:141
233969950,2cyclictest18765-21irqstats20:15:131
233969950,0cyclictest0-21swapper/119:10:061
233899953,1cyclictest6765-21cat21:05:150
233899953,1cyclictest620-17auditd19:15:540
233899953,1cyclictest28852-21idleruntime20:40:120
233899953,1cyclictest28690-21cat19:20:140
233899953,1cyclictest23866-21gltestperf19:10:120
233899953,1cyclictest14666-21cat20:05:150
233899953,1cyclictest14666-21cat20:05:150
233899953,1cyclictest12629-21cat20:00:150
233899953,1cyclictest1082-21lldpd19:33:560
233899953,1cyclictest1002-21snmpd21:00:090
233899952,2cyclictest1002-21snmpd20:20:320
233899952,2cyclictest1002-21snmpd20:20:320
233899952,2cyclictest1002-21snmpd20:10:260
234019942,1cyclictest0-21swapper/220:20:072
234019942,1cyclictest0-21swapper/220:20:062
233899942,1cyclictest29979-21gdbus20:25:020
233899940,1cyclictest3978-21sshd19:40:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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