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2026-03-16 - 09:02
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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 Mar 16, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2708821000,0sleep127089-21sshd21:11:231
62952910,0sleep20-21swapper/223:17:282
273902750,0sleep00-21swapper/023:41:180
110212750,0sleep30-21swapper/300:21:023
202522710,0sleep20-21swapper/200:16:212
87702570,0sleep00-21swapper/022:39:010
44442560,1sleep0101ktimersoftd/023:03:250
280082560,1sleep328004-21lspci22:46:063
103442550,0sleep30-21swapper/321:19:513
39362520,0sleep20-21swapper/221:51:252
190092520,0sleep20-21swapper/222:00:022
116672520,0sleep20-21swapper/223:45:242
289902510,2sleep399199cyclictest00:11:363
124452510,0sleep20-21swapper/200:23:572
255562500,0sleep20-21swapper/223:02:272
224382500,0sleep10-21swapper/123:35:221
116782500,0sleep10-21swapper/122:44:471
48702490,0sleep00-21swapper/022:57:560
31842490,0sleep30-21swapper/322:12:093
135312490,1sleep013528-21lspci23:18:070
77622480,0sleep20-21swapper/222:36:082
66172480,0sleep20-21swapper/223:11:562
212242480,0sleep10-21swapper/100:02:451
138742480,0sleep30-21swapper/321:38:403
295572470,0sleep00-21swapper/023:58:000
105212470,0sleep20-21swapper/223:06:392
312002440,2sleep197999cyclictest21:54:241
250262400,0sleep325029-21bash00:19:353
281162390,0sleep00-21swapper/021:36:410
179662380,2sleep298499cyclictest21:39:072
46722923,3sleep00-21swapper/019:05:340
6532288,6sleep10-21swapper/119:07:391
6292287,6sleep20-21swapper/219:07:242
211412250,0sleep321142-21sshd21:53:183
70122311,7sleep30-21swapper/319:08:013
323442170,0sleep20-21swapper/223:50:022
93992160,1sleep1231rcuc/122:33:331
90932160,0sleep30-21swapper/321:48:343
263642160,0sleep0111rcuc/023:24:470
150702160,0sleep10-21swapper/121:31:421
991991515,0cyclictest401ktimersoftd/320:33:033
57682150,0sleep00-21swapper/000:34:220
308962150,0sleep00-21swapper/022:32:360
116812150,0sleep30-21swapper/322:39:163
991991413,0cyclictest3296-21lspci23:36:333
991991413,0cyclictest13927-21lspci23:20:523
991991413,0cyclictest11367-21lspci21:14:243
249642140,0sleep10-21swapper/122:10:591
187122140,1sleep11-21systemd23:12:591
162672140,0sleep216264-21lspci21:49:212
157582140,0sleep20-21swapper/221:20:332
98499134,3cyclictest33-21ksoftirqd/221:29:552
984991311,1cyclictest20641-21kworker/u8:000:38:192
984991311,1cyclictest12056-21sshd21:31:092
98499130,12cyclictest2134-21grep22:41:082
97999130,12cyclictest4581-21systemd-cgroups23:20:091
294612130,1sleep3699-21gdbus23:25:023
254502130,1sleep0642-21systemd-logind23:07:570
123352130,0sleep10-21swapper/119:35:131
99199124,1cyclictest41-21ksoftirqd/300:08:133
991991210,1cyclictest29330-21bash00:30:473
99199120,1cyclictest0-21swapper/322:51:573
99199120,11cyclictest7741-21bash22:44:273
98499127,3cyclictest33-21ksoftirqd/223:38:342
98499125,3cyclictest33-21ksoftirqd/221:40:232
98499125,3cyclictest33-21ksoftirqd/200:34:052
98499123,3cyclictest33-21ksoftirqd/223:58:282
98499123,1cyclictest33-21ksoftirqd/222:30:462
98499121,3cyclictest649-21polkitd22:58:552
98499120,2cyclictest674-21dbus-daemon22:25:092
98499120,1cyclictest674-21dbus-daemon23:21:222
98499120,11cyclictest674-21dbus-daemon00:27:292
98499120,11cyclictest0-21swapper/223:28:392
979991210,1cyclictest29500-21lspci00:17:101
97999120,11cyclictest0-21swapper/122:37:101
97299124,2cyclictest9-21ksoftirqd/023:32:030
97299123,2cyclictest9-21ksoftirqd/000:12:360
97299123,1cyclictest9-21ksoftirqd/023:35:540
972991210,1cyclictest622-13audispd22:09:180
97299120,1cyclictest29905-21lspci00:19:580
97299120,11cyclictest0-21swapper/022:51:190
97299120,11cyclictest0-21swapper/022:15:480
235892120,0sleep0111rcuc/021:16:220
99199119,1cyclictest18062-21bash23:10:083
99199119,1cyclictest12372-21sshd23:34:373
99199115,1cyclictest41-21ksoftirqd/323:41:413
99199111,3cyclictest41-21ksoftirqd/323:47:233
991991110,0cyclictest5937-21lspci22:15:523
991991110,0cyclictest401ktimersoftd/322:03:433
991991110,0cyclictest10483-21lspci22:55:353
991991110,0cyclictest0-21swapper/323:01:473
991991110,0cyclictest0-21swapper/322:07:373
99199110,10cyclictest0-21swapper/323:51:373
99199110,10cyclictest0-21swapper/323:05:573
99199110,0cyclictest0-21swapper/322:25:573
99199110,0cyclictest0-21swapper/321:21:173
98499115,3cyclictest33-21ksoftirqd/221:55:222
98499114,3cyclictest33-21ksoftirqd/223:32:162
98499113,3cyclictest33-21ksoftirqd/200:12:532
98499113,1cyclictest33-21ksoftirqd/222:46:292
98499113,1cyclictest33-21ksoftirqd/222:20:202
98499112,1cyclictest33-21ksoftirqd/221:19:082
98499111,3cyclictest29979-21gdbus00:00:092
98499110,4cyclictest3729-21grep22:15:372
98499110,3cyclictest642-21systemd-logind23:41:152
98499110,1cyclictest33-21ksoftirqd/221:11:312
98499110,1cyclictest10770-21systemd-cgroups00:07:212
97999119,1cyclictest674-21dbus-daemon23:30:191
97999119,1cyclictest19599-21sshd23:18:391
979991110,0cyclictest0-21swapper/122:27:191
97999110,10cyclictest0-21swapper/121:47:201
97299113,1cyclictest9-21ksoftirqd/022:49:400
97299112,3cyclictest9-21ksoftirqd/023:28:260
97299112,1cyclictest9-21ksoftirqd/023:50:090
97299111,2cyclictest9-21ksoftirqd/000:20:250
972991110,0cyclictest0-21swapper/021:28:580
97299110,1cyclictest9-21ksoftirqd/022:21:530
97299110,10cyclictest8438-21sshd00:07:090
97299110,10cyclictest30021-21sshd23:13:580
97299110,10cyclictest0-21swapper/021:54:580
99199109,0cyclictest7150-21rt-features21:30:173
99199109,0cyclictest0-21swapper/321:41:083
99199109,0cyclictest0-21swapper/321:28:473
99199102,1cyclictest41-21ksoftirqd/323:18:213
99199102,1cyclictest41-21ksoftirqd/300:26:473
99199101,1cyclictest41-21ksoftirqd/322:31:363
99199101,1cyclictest131rcu_sched23:55:133
99199101,1cyclictest131rcu_sched22:20:373
99199100,1cyclictest121rcu_preempt00:36:323
99199100,0cyclictest0-21swapper/319:10:073
98499104,1cyclictest33-21ksoftirqd/222:52:112
98499102,3cyclictest0-21swapper/222:11:072
98499101,3cyclictest33-21ksoftirqd/222:05:192
97999109,0cyclictest0-21swapper/100:22:491
97999109,0cyclictest0-21swapper/100:07:191
97999108,1cyclictest31725-21sshd22:01:191
97999108,1cyclictest10853-21find21:25:181
97999100,0cyclictest0-21swapper/123:07:191
97299105,1cyclictest9-21ksoftirqd/023:46:390
97299103,1cyclictest9-21ksoftirqd/022:40:460
97299103,1cyclictest9-21ksoftirqd/021:45:390
97299103,1cyclictest9-21ksoftirqd/000:26:480
97299102,1cyclictest9-21ksoftirqd/022:14:070
97299101,3cyclictest710-21NetworkManager21:57:380
97299101,1cyclictest131rcu_sched00:35:170
9919999,0cyclictest401ktimersoftd/320:15:393
9919998,0cyclictest0-21swapper/320:45:173
9919991,1cyclictest131rcu_sched00:00:303
9919990,1cyclictest1-21systemd21:55:043
9799998,0cyclictest0-21swapper/122:48:491
9799998,0cyclictest0-21swapper/100:11:291
9799997,1cyclictest19677-21bash23:57:091
9799997,1cyclictest12920-21lspci22:50:191
9799997,1cyclictest12606-21lspci00:32:101
9729997,1cyclictest9-21ksoftirqd/000:00:110
9729993,1cyclictest9-21ksoftirqd/021:32:570
9729992,2cyclictest9-21ksoftirqd/021:40:180
9729991,1cyclictest131rcu_sched22:01:040
9729991,1cyclictest121rcu_preempt21:11:410
9729990,1cyclictest0-21swapper/022:25:070
16696290,0sleep1231rcuc/122:56:081
9919987,0cyclictest0-21swapper/321:04:173
9919987,0cyclictest0-21swapper/320:42:273
9919987,0cyclictest0-21swapper/320:00:283
9799987,0cyclictest0-21swapper/123:49:591
9799987,0cyclictest0-21swapper/121:40:391
9799986,1cyclictest7641-21lspci23:42:231
9799986,1cyclictest6100-21lspci23:50:271
9799985,2cyclictest660-21avahi-daemon23:25:021
9799985,2cyclictest660-21avahi-daemon23:04:441
9799985,2cyclictest660-21avahi-daemon22:15:181
9799985,2cyclictest660-21avahi-daemon21:56:501
9799984,3cyclictest699-21gdbus00:29:021
9799984,3cyclictest660-21avahi-daemon22:06:461
9729987,0cyclictest0-21swapper/020:25:180
9729985,2cyclictest1002-21snmpd20:17:500
9729984,1cyclictest9-21ksoftirqd/021:20:240
9919977,0cyclictest401ktimersoftd/320:53:083
9919977,0cyclictest401ktimersoftd/320:22:403
9919975,1cyclictest41-21ksoftirqd/319:50:003
9849971,3cyclictest33-21ksoftirqd/220:20:172
9799976,0cyclictest0-21swapper/122:20:291
9799975,1cyclictest649-21polkitd21:19:301
9799975,1cyclictest14936-21cp21:35:161
9799974,2cyclictest660-21avahi-daemon00:36:181
9799973,3cyclictest699-21gdbus21:23:471
9919966,0cyclictest401ktimersoftd/319:52:133
9919966,0cyclictest401ktimersoftd/319:21:573
9919966,0cyclictest401ktimersoftd/319:17:053
9919965,0cyclictest41-21ksoftirqd/319:30:003
9919964,1cyclictest41-21ksoftirqd/320:59:593
9919963,2cyclictest1002-21snmpd21:06:593
9919963,2cyclictest1002-21snmpd20:39:323
9919963,2cyclictest1002-21snmpd19:58:103
9919963,2cyclictest1002-21snmpd19:32:363
9919960,0cyclictest0-21swapper/319:43:473
9849964,1cyclictest660-21avahi-daemon19:50:002
9849963,2cyclictest1002-21snmpd19:36:402
9849961,3cyclictest33-21ksoftirqd/219:40:132
9849960,5cyclictest0-21swapper/220:37:282
9849960,5cyclictest0-21swapper/220:19:592
9849960,1cyclictest19151-21sed19:50:192
9799963,2cyclictest1002-21snmpd20:35:051
9799963,2cyclictest1002-21snmpd19:17:361
9799963,2cyclictest1002-21snmpd19:14:491
9799962,1cyclictest0-21swapper/119:28:221
9799960,5cyclictest0-21swapper/120:17:291
9729964,1cyclictest9-21ksoftirqd/019:25:000
9729964,1cyclictest1002-21snmpd19:44:360
9729961,1cyclictest4777-21nfsd420:35:150
9729960,5cyclictest0-21swapper/020:24:180
9729960,3cyclictest649-21polkitd21:09:590
9729960,3cyclictest21899-21awk20:00:000
9919953,1cyclictest642-21systemd-logind20:10:003
9919953,1cyclictest1002-21snmpd20:26:593
9919953,1cyclictest1002-21snmpd20:10:043
9919953,1cyclictest1002-21snmpd19:36:223
9849953,1cyclictest3728-21cstates19:15:002
9849953,1cyclictest16750-21cat21:05:142
9849953,1cyclictest14702-21cat21:00:112
9849953,1cyclictest1002-21snmpd20:25:052
9849953,1cyclictest1002-21snmpd20:05:522
9849952,2cyclictest27318-21wc20:10:202
9849951,2cyclictest33-21ksoftirqd/220:50:172
9849951,2cyclictest33-21ksoftirqd/220:40:402
9849951,2cyclictest33-21ksoftirqd/220:00:382
9849951,2cyclictest33-21ksoftirqd/219:31:002
9849951,2cyclictest33-21ksoftirqd/219:10:272
9849951,2cyclictest0-21swapper/220:55:122
9849951,2cyclictest0-21swapper/219:55:142
9849951,1cyclictest33-21ksoftirqd/219:25:002
9849950,3cyclictest33-21ksoftirqd/220:30:132
9849950,3cyclictest33-21ksoftirqd/219:20:112
9849950,1cyclictest33-21ksoftirqd/220:45:142
9799953,1cyclictest3147-21threads20:30:201
9799953,1cyclictest25951-21kworker/1:220:10:131
9799953,1cyclictest16747-21cat21:05:141
9799953,1cyclictest16010-21/usr/sbin/munin19:45:101
9799953,1cyclictest1002-21snmpd21:00:201
9799953,1cyclictest1002-21snmpd20:52:051
9799953,1cyclictest1002-21snmpd20:28:141
9799953,1cyclictest1002-21snmpd20:24:341
9799953,1cyclictest1002-21snmpd20:08:461
9799953,1cyclictest1002-21snmpd20:02:401
9799953,1cyclictest1002-21snmpd19:55:311
9799953,1cyclictest1002-21snmpd19:51:291
9799953,1cyclictest1002-21snmpd19:40:271
9799953,1cyclictest1002-21snmpd19:24:181
9799952,2cyclictest1002-21snmpd19:31:271
9799950,0cyclictest0-21swapper/120:57:191
9729954,0cyclictest0-21swapper/021:03:280
9729954,0cyclictest0-21swapper/020:59:390
9729953,1cyclictest9371-21cat20:45:190
9729953,1cyclictest6151-21tr20:40:090
9729953,1cyclictest11924-21kworker/0:019:50:130
9729953,1cyclictest1082-21lldpd19:30:070
9729953,1cyclictest1002-21snmpd20:54:230
9729953,1cyclictest1002-21snmpd20:34:570
9729953,1cyclictest1002-21snmpd20:11:580
9729953,1cyclictest1002-21snmpd20:02:250
9729953,1cyclictest1002-21snmpd19:47:180
9729953,1cyclictest1002-21snmpd19:16:420
9729953,1cyclictest1002-21snmpd19:10:140
9729950,0cyclictest0-21swapper/019:25:290
9799942,1cyclictest8596-21cat20:45:141
9799942,1cyclictest0-21swapper/120:40:011
9729942,1cyclictest24180-21cpu20:05:110
9729940,1cyclictest121rcu_preempt19:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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