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2026-05-22 - 01:36
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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 rack2slot0.osadl.org (updated Fri May 22, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128692970,0sleep012824-21sshd22:21:030
313662950,0sleep331367-21sshd23:36:493
284822890,0sleep20-21swapper/200:33:422
320322750,0sleep3391rcuc/322:25:303
163652720,0sleep216364-21systemd-cgroups23:04:112
128052610,0sleep00-21swapper/021:58:480
283252600,0sleep00-21swapper/023:05:120
178162590,0sleep11073-21nfsd22:38:311
227012570,1sleep022693-21sshd21:31:160
51642560,0sleep20-21swapper/222:09:162
183382540,0sleep20-21swapper/200:04:152
22802530,0sleep30-21swapper/321:16:543
22802530,0sleep30-21swapper/321:16:543
16322530,1sleep10-21swapper/121:12:551
16322530,1sleep10-21swapper/121:12:551
37192520,0sleep00-21swapper/022:31:330
269562520,1sleep326954-21lspci23:50:373
247392520,0sleep20-21swapper/223:27:422
241422520,1sleep024139-21lspci23:47:350
121062510,0sleep10-21swapper/100:32:131
321082500,0sleep10-21swapper/123:42:341
26272490,0sleep00-21swapper/021:24:560
238842490,0sleep00-21swapper/023:59:000
21492490,0sleep30-21swapper/319:35:103
149032490,0sleep10-21swapper/121:56:091
102682490,1sleep210264-21sshd00:12:042
26692480,0sleep30-21swapper/300:25:393
250272480,0sleep00-21swapper/000:36:140
43702470,0sleep20-21swapper/222:40:122
19412470,0sleep10-21swapper/100:11:191
167342470,0sleep216713-21sshd00:06:552
280172460,0sleep20-21swapper/223:13:442
214482460,0sleep00-21swapper/021:19:190
214482460,0sleep00-21swapper/021:19:180
124812460,0sleep20-21swapper/221:58:462
300872430,0sleep130032-21sshd23:02:301
171662370,0sleep10-21swapper/121:53:361
2150023119,7sleep10-21swapper/119:05:111
229652289,7sleep30-21swapper/319:06:053
2298822615,7sleep00-21swapper/019:06:180
220102245,4sleep20-21swapper/219:05:202
162662210,1sleep2674-21dbus-daemon21:30:262
308422190,1sleep030838-21sshd21:46:270
219202180,0sleep00-21swapper/022:07:530
187722180,1sleep118759-21sshd00:38:351
124642180,1sleep012459-21sshd22:29:320
239392170,0sleep30-21swapper/322:36:073
158292170,0sleep30-21swapper/323:04:073
301342160,0sleep30-21swapper/322:08:373
268192160,1sleep126805-21bash23:27:531
2338899166,1cyclictest25-21ksoftirqd/123:35:361
211112160,1sleep121109-21grepconf.sh22:41:381
82352150,0sleep30-21swapper/322:17:543
2339499150,13cyclictest10186-21cp22:12:282
2338899150,4cyclictest11545-21tty23:55:031
44332140,0sleep30-21swapper/323:08:493
25352140,0sleep00-21swapper/022:57:120
239422140,0sleep20-21swapper/200:36:082
149512140,0sleep214949-21lspci22:01:422
143582140,1sleep214355-21bash21:42:162
318662130,0sleep30-21swapper/323:16:533
245222130,0sleep224524-21grepconf.sh23:47:372
2338899134,2cyclictest25-21ksoftirqd/122:11:291
2338899130,1cyclictest31086-21sshd22:08:411
2338899130,12cyclictest0-21swapper/123:08:111
307242120,0sleep00-21swapper/023:50:590
2339899120,1cyclictest699-21gdbus23:23:323
2339899120,1cyclictest642-21systemd-logind00:21:123
2339899120,1cyclictest13553-21grep22:58:123
2339899120,1cyclictest0-21swapper/300:30:413
2339899120,11cyclictest674-21dbus-daemon21:47:313
2339899120,11cyclictest1559-21lspci00:37:023
23394991210,1cyclictest7018-21grep22:54:472
2339499120,11cyclictest0-21swapper/223:38:282
2338899127,3cyclictest25-21ksoftirqd/121:46:501
2338899125,3cyclictest25-21ksoftirqd/121:41:171
2338899124,3cyclictest25-21ksoftirqd/123:33:291
2338899124,3cyclictest25-21ksoftirqd/122:00:261
2338899123,4cyclictest25-21ksoftirqd/100:18:471
2338899123,1cyclictest25-21ksoftirqd/122:49:411
2338899122,3cyclictest25-21ksoftirqd/122:22:021
2338899121,2cyclictest25-21ksoftirqd/123:19:041
23388991210,1cyclictest1-21systemd22:50:111
2338899120,5cyclictest674-21dbus-daemon22:28:221
2338899120,1cyclictest25094-21sshd00:27:421
23382991210,1cyclictest7574-21lspci21:44:290
23382991210,1cyclictest17051-21sshd23:01:190
2338299120,11cyclictest674-21dbus-daemon22:42:280
226152120,0sleep30-21swapper/300:10:173
225102120,0sleep00-21swapper/023:18:590
131472120,0sleep20-21swapper/222:46:412
2339899119,1cyclictest4788-21bash23:34:323
2339899119,1cyclictest1389-21sshd00:05:313
2339899110,1cyclictest28247-21sshd21:12:123
2339899110,1cyclictest28247-21sshd21:12:123
2339899110,0cyclictest0-21swapper/322:32:223
2339499110,0cyclictest0-21swapper/222:25:372
2338899114,3cyclictest25-21ksoftirqd/121:35:191
2338899113,1cyclictest25-21ksoftirqd/122:34:211
2338899113,1cyclictest25-21ksoftirqd/100:22:071
2338899111,6cyclictest674-21dbus-daemon23:20:011
2338899110,5cyclictest674-21dbus-daemon21:15:311
2338899110,5cyclictest674-21dbus-daemon21:15:301
2338899110,5cyclictest642-21systemd-logind23:12:441
2338899110,3cyclictest674-21dbus-daemon23:53:041
2338899110,3cyclictest674-21dbus-daemon21:33:271
2338899110,3cyclictest642-21systemd-logind22:15:361
2338899110,3cyclictest17112-21bash00:06:571
2338899110,2cyclictest25-21ksoftirqd/123:47:111
2338899110,10cyclictest0-21swapper/119:40:201
2338299119,1cyclictest11997-21sshd22:37:590
2338299110,0cyclictest0-21swapper/021:25:480
283142100,0sleep20-21swapper/221:12:122
283142100,0sleep20-21swapper/221:12:122
2339899109,0cyclictest0-21swapper/323:43:513
2339899109,0cyclictest0-21swapper/322:49:123
2339899109,0cyclictest0-21swapper/322:02:223
2339899109,0cyclictest0-21swapper/321:35:323
2339899108,1cyclictest674-21dbus-daemon00:19:113
2339499109,0cyclictest0-21swapper/223:57:482
2339499109,0cyclictest0-21swapper/223:17:172
2339499108,1cyclictest17811-21cp21:45:172
2339499100,9cyclictest0-21swapper/219:34:082
2339499100,0cyclictest0-21swapper/223:20:582
2339499100,0cyclictest0-21swapper/220:19:072
2338899109,0cyclictest0-21swapper/121:09:511
2338899103,3cyclictest25-21ksoftirqd/121:21:371
2338899102,1cyclictest25-21ksoftirqd/122:55:541
2338899100,9cyclictest0-21swapper/120:25:011
2338899100,3cyclictest8815-21bash00:00:261
2338899100,3cyclictest674-21dbus-daemon21:26:281
2338299109,0cyclictest0-21swapper/023:13:590
2338299109,0cyclictest0-21swapper/022:52:190
2338299109,0cyclictest0-21swapper/000:29:190
2338299108,1cyclictest18187-21lspci21:14:590
2338299108,1cyclictest18187-21lspci21:14:580
2338299108,1cyclictest1026-21sshd00:10:090
2338299108,1cyclictest0-21swapper/000:16:590
2338299103,4cyclictest660-21avahi-daemon00:00:040
2338299100,2cyclictest2540-21sshd21:35:420
2338299100,0cyclictest131rcu_sched23:27:310
2338299100,0cyclictest0-21swapper/023:21:190
2338299100,0cyclictest0-21swapper/021:52:180
233989998,0cyclictest0-21swapper/323:28:013
233989998,0cyclictest0-21swapper/320:30:113
233989997,1cyclictest41-21ksoftirqd/323:57:403
233989997,1cyclictest0-21swapper/300:03:323
233989990,0cyclictest0-21swapper/323:11:423
233949998,0cyclictest0-21swapper/223:44:572
233949998,0cyclictest0-21swapper/222:34:182
233949998,0cyclictest0-21swapper/221:53:582
233949998,0cyclictest0-21swapper/200:29:482
233889998,0cyclictest0-21swapper/121:00:211
233889998,0cyclictest0-21swapper/120:45:111
233889998,0cyclictest0-21swapper/119:20:311
233829998,0cyclictest0-21swapper/022:16:580
233829998,0cyclictest0-21swapper/022:11:390
233829998,0cyclictest0-21swapper/022:00:080
233829997,1cyclictest9-21ksoftirqd/023:35:190
233829997,1cyclictest9-21ksoftirqd/000:21:340
233829993,3cyclictest26189-21perf20:34:590
233829990,1cyclictest131rcu_sched23:43:570
233829990,0cyclictest0-21swapper/020:29:090
233829990,0cyclictest0-21swapper/020:18:090
233989986,1cyclictest660-21avahi-daemon21:25:303
233989986,1cyclictest41-21ksoftirqd/322:50:123
233989985,2cyclictest660-21avahi-daemon21:55:073
233989985,2cyclictest660-21avahi-daemon21:53:283
233989985,2cyclictest660-21avahi-daemon21:30:313
233989984,3cyclictest660-21avahi-daemon22:10:193
233989980,7cyclictest6442-21sshd22:20:293
233949987,0cyclictest0-21swapper/220:28:082
233949987,0cyclictest0-21swapper/219:53:072
233949987,0cyclictest0-21swapper/200:22:182
233949986,1cyclictest29648-21sshd23:53:482
233949986,1cyclictest18392-21lspci22:18:482
233949986,1cyclictest15239-21bash22:38:172
233949985,2cyclictest660-21avahi-daemon22:58:062
233949985,2cyclictest660-21avahi-daemon21:37:412
233949985,2cyclictest660-21avahi-daemon21:16:532
233949985,2cyclictest660-21avahi-daemon21:16:522
233829987,0cyclictest0-21swapper/019:58:080
233829986,1cyclictest9-21ksoftirqd/022:47:340
233829981,1cyclictest32417-21sshd00:31:090
233829981,1cyclictest131rcu_sched00:05:010
6621270,1sleep20-21swapper/221:25:182
233989975,1cyclictest660-21avahi-daemon23:46:163
233989975,1cyclictest660-21avahi-daemon21:41:313
233989974,2cyclictest660-21avahi-daemon21:21:453
233989974,2cyclictest649-21polkitd21:09:583
233989973,3cyclictest699-21gdbus22:40:273
233949976,0cyclictest0-21swapper/220:49:082
233949976,0cyclictest0-21swapper/200:15:282
233949975,1cyclictest27684-21grep23:05:112
233949975,1cyclictest0-21swapper/221:21:372
233949974,2cyclictest649-21polkitd22:21:442
233949970,0cyclictest121rcu_preempt23:31:252
233889971,2cyclictest9159-21grep19:50:161
233829975,1cyclictest2863-21sshd23:31:260
233989964,1cyclictest674-21dbus-daemon20:24:553
233989963,2cyclictest1002-21snmpd20:41:333
233989963,2cyclictest1002-21snmpd20:06:003
233989963,2cyclictest1002-21snmpd19:49:143
233989963,2cyclictest1002-21snmpd19:21:373
233989960,5cyclictest0-21swapper/320:35:023
233989960,5cyclictest0-21swapper/320:27:213
233989960,5cyclictest0-21swapper/320:17:103
233989960,2cyclictest6054-21munin-run21:05:003
233949965,0cyclictest0-21swapper/220:42:172
233949965,0cyclictest0-21swapper/220:10:082
233949964,1cyclictest674-21dbus-daemon20:40:002
233949963,2cyclictest1002-21snmpd19:19:492
233949963,2cyclictest1002-21snmpd19:13:582
233949960,0cyclictest0-21swapper/220:03:582
233889964,1cyclictest25416-21kworker/1:019:25:111
233889963,2cyclictest1002-21snmpd20:59:041
233889963,2cyclictest1002-21snmpd19:15:121
233889961,3cyclictest25-21ksoftirqd/120:00:151
233889961,1cyclictest241ktimersoftd/120:37:071
233889960,2cyclictest25-21ksoftirqd/119:45:011
233829964,1cyclictest4609-21grep21:00:130
233829963,2cyclictest1002-21snmpd19:51:500
233829963,2cyclictest1002-21snmpd19:34:200
233829963,2cyclictest1002-21snmpd19:25:340
233989953,1cyclictest4453-21cat19:40:123
233989953,1cyclictest16677-21cat20:10:123
233989953,1cyclictest10447-21sed19:55:143
233989953,1cyclictest1025-21in:imjournal19:11:493
233989953,1cyclictest1015-21runrttasks20:52:153
233989953,1cyclictest1002-21snmpd20:56:143
233989953,1cyclictest1002-21snmpd20:45:493
233989953,1cyclictest1002-21snmpd20:00:273
233989953,1cyclictest1002-21snmpd19:27:523
233989953,1cyclictest0-21swapper/319:15:193
233989952,2cyclictest1002-21snmpd19:32:593
233989950,0cyclictest0-21swapper/319:50:403
233949953,1cyclictest642-21systemd-logind19:50:012
233949953,1cyclictest29531-21grep19:20:312
233949953,1cyclictest1088-21ntpd19:25:152
233949953,1cyclictest1002-21snmpd21:00:562
233949953,1cyclictest1002-21snmpd20:55:192
233949953,1cyclictest1002-21snmpd20:34:542
233949953,1cyclictest1002-21snmpd20:20:092
233949953,1cyclictest1002-21snmpd19:59:542
233949953,1cyclictest1002-21snmpd19:40:022
233949953,1cyclictest1002-21snmpd19:37:052
233949952,2cyclictest1002-21snmpd20:06:062
233949951,2cyclictest7920-21sshd21:08:072
233889953,1cyclictest20671-21gltestperf20:20:121
233889953,1cyclictest18404-21grep20:15:121
233889953,1cyclictest1002-21snmpd19:10:341
233889952,2cyclictest642-21systemd-logind20:40:001
233889951,2cyclictest25-21ksoftirqd/120:50:031
233889951,2cyclictest25-21ksoftirqd/120:10:121
233889951,2cyclictest25-21ksoftirqd/119:30:121
233889950,4cyclictest24373-21/usr/sbin/munin20:30:111
233889950,3cyclictest25-21ksoftirqd/120:05:151
233889950,3cyclictest25-21ksoftirqd/119:55:161
233889950,3cyclictest25-21ksoftirqd/119:35:131
233829953,1cyclictest674-21dbus-daemon19:25:010
233829953,1cyclictest29495-21sensors_fan20:40:170
233829953,1cyclictest12598-21cat20:00:130
233829953,1cyclictest1082-21lldpd20:57:330
233829953,1cyclictest1082-21lldpd19:15:060
233829953,1cyclictest1002-21snmpd20:48:570
233829953,1cyclictest1002-21snmpd20:36:520
233829953,1cyclictest1002-21snmpd20:11:540
233829953,1cyclictest1002-21snmpd20:07:110
233829953,1cyclictest1002-21snmpd19:46:500
233829953,1cyclictest1002-21snmpd19:42:100
233829953,1cyclictest1002-21snmpd19:38:410
233829953,1cyclictest1002-21snmpd19:11:190
233829952,2cyclictest2054-21cat20:55:000
233829952,2cyclictest1002-21snmpd20:21:170
233829950,0cyclictest0-21swapper/021:05:490
233949942,1cyclictest1002-21snmpd20:50:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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