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2026-05-10 - 02:00
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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 the 376 highest latencies:
System rack2slot0.osadl.org (updated Sun May 10, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47262960,1sleep11356899cyclictest22:10:131
28642930,0sleep20-21swapper/222:57:282
147882590,0sleep10-21swapper/119:10:321
124592570,1sleep30-21swapper/323:17:483
90992550,0sleep20-21swapper/200:10:232
123462550,0sleep012343-21lspci00:07:550
24312540,0sleep20-21swapper/223:58:442
59482530,0sleep20-21swapper/223:11:392
4742510,0sleep30-21swapper/322:20:563
296252510,0sleep30-21swapper/322:59:503
43752500,0sleep2311rcuc/221:47:562
315382500,0sleep30-21swapper/321:33:313
22872500,1sleep22289-21bash22:12:472
11822500,0sleep10-21swapper/123:53:031
66392490,0sleep30-21swapper/321:56:253
37892490,0sleep30-21swapper/300:07:103
294912490,0sleep30-21swapper/300:12:123
198152490,0sleep30-21swapper/300:25:173
145382490,0sleep20-21swapper/223:17:592
103002490,1sleep210298-21lspci22:32:572
296192480,0sleep30-21swapper/322:51:203
28922480,0sleep20-21swapper/222:43:302
246872480,0sleep30-21swapper/323:30:013
197322480,0sleep00-21swapper/021:32:060
154722480,0sleep00-21swapper/021:48:530
172622470,0sleep10-21swapper/121:31:471
157852470,1sleep01356399cyclictest21:23:450
126942470,0sleep20-21swapper/223:42:542
61722360,2sleep21357199cyclictest23:31:082
119402296,7sleep00-21swapper/019:05:130
132882287,7sleep20-21swapper/219:07:502
1320522614,7sleep30-21swapper/319:06:473
146442230,0sleep00-21swapper/022:47:170
283272210,0sleep0111rcuc/023:02:280
1315822110,7sleep10-21swapper/119:06:171
220612200,0sleep30-21swapper/323:13:043
315632190,0sleep0101ktimersoftd/021:09:560
325422170,0sleep10-21swapper/121:53:061
272192170,0sleep20-21swapper/222:48:242
301502160,0sleep30-21swapper/323:55:293
266692160,0sleep10-21swapper/121:47:011
197212160,2sleep21357199cyclictest00:33:412
288812150,0sleep20-21swapper/223:21:592
255842150,1sleep125581-21sshd00:36:571
191912150,0sleep10-21swapper/122:08:401
191032150,0sleep20-21swapper/222:03:062
152792150,1sleep3391rcuc/322:47:213
262242140,0sleep20-21swapper/221:35:492
228502140,0sleep00-21swapper/023:27:030
157222140,0sleep00-21swapper/022:00:030
1357299145,1cyclictest41-21ksoftirqd/322:02:223
13563991412,1cyclictest29157-21sshd23:41:320
291312130,0sleep00-21swapper/000:34:310
1357299131,1cyclictest25457-21sshd23:24:333
1357199130,12cyclictest30907-21sshd00:03:592
1357199130,12cyclictest30907-21sshd00:03:582
1356399130,1cyclictest7114-21bash22:24:210
116092130,0sleep111612-21bash22:35:491
71192120,0sleep00-21swapper/023:11:440
196732120,0sleep20-21swapper/223:01:402
1357299124,3cyclictest41-21ksoftirqd/323:06:533
1357299123,3cyclictest41-21ksoftirqd/323:35:013
1357299123,3cyclictest41-21ksoftirqd/300:21:113
1357299122,3cyclictest41-21ksoftirqd/323:27:073
1357299122,3cyclictest41-21ksoftirqd/321:39:083
1357299122,3cyclictest41-21ksoftirqd/300:35:423
1357299122,2cyclictest41-21ksoftirqd/322:16:013
1357299122,2cyclictest41-21ksoftirqd/322:06:343
1357299122,1cyclictest41-21ksoftirqd/322:12:163
1357299121,3cyclictest41-21ksoftirqd/321:42:543
1357299120,11cyclictest15738-21sshd21:54:293
1357299120,11cyclictest0-21swapper/300:33:593
13571991210,1cyclictest12905-21grepconf.sh00:16:182
13571991210,1cyclictest11883-21sshd21:51:182
1357199120,11cyclictest642-21systemd-logind23:45:482
1356899120,11cyclictest642-21systemd-logind00:18:181
1356899120,11cyclictest26882-21grepconf.sh23:13:291
1356899120,11cyclictest11182-21sshd22:46:591
1356899120,11cyclictest0-21swapper/123:40:481
13563991210,1cyclictest0-21swapper/023:31:110
1357299116,3cyclictest41-21ksoftirqd/323:04:593
1357299112,3cyclictest41-21ksoftirqd/322:35:523
1357299111,2cyclictest41-21ksoftirqd/322:27:203
1357299111,2cyclictest41-21ksoftirqd/322:27:193
1357299111,1cyclictest41-21ksoftirqd/323:41:143
1357299111,1cyclictest41-21ksoftirqd/322:41:403
1357299110,2cyclictest0-21swapper/300:17:133
1357299110,1cyclictest41-21ksoftirqd/300:00:433
1357299110,1cyclictest41-21ksoftirqd/300:00:423
1357299110,1cyclictest0-21swapper/323:46:543
1357299110,10cyclictest391rcuc/321:13:593
1357299110,10cyclictest0-21swapper/321:50:003
13571991110,0cyclictest0-21swapper/222:25:192
13571991110,0cyclictest0-21swapper/222:25:182
13571991110,0cyclictest0-21swapper/221:19:382
13571991110,0cyclictest0-21swapper/200:39:492
1357199110,10cyclictest0-21swapper/223:36:192
1357199110,10cyclictest0-21swapper/221:56:382
1356899119,1cyclictest1-21systemd21:16:281
13568991110,0cyclictest0-21swapper/123:15:081
13568991110,0cyclictest0-21swapper/122:17:181
1356899110,10cyclictest25295-21bash00:00:391
1356899110,10cyclictest25295-21bash00:00:381
1356899110,10cyclictest0-21swapper/119:48:281
1356899110,0cyclictest0-21swapper/123:39:591
1356399119,1cyclictest5543-21sshd00:38:010
1356399119,1cyclictest0-21swapper/022:08:210
13563991110,0cyclictest0-21swapper/023:51:520
1356399110,10cyclictest0-21swapper/021:42:110
1356399110,10cyclictest0-21swapper/021:26:010
1356399110,10cyclictest0-21swapper/021:19:110
1356399110,10cyclictest0-21swapper/020:20:120
1356399110,10cyclictest0-21swapper/019:40:220
1356399110,10cyclictest0-21swapper/000:26:420
1356399110,0cyclictest3100-21lspci22:51:510
1356399110,0cyclictest0-21swapper/023:18:220
1357299108,1cyclictest41-21ksoftirqd/323:51:183
1357299104,3cyclictest41-21ksoftirqd/321:17:333
1357299103,3cyclictest41-21ksoftirqd/321:22:213
1357299100,1cyclictest41-21ksoftirqd/322:33:173
1357199109,0cyclictest0-21swapper/221:14:282
1356899109,0cyclictest0-21swapper/123:29:391
1356899109,0cyclictest0-21swapper/122:27:491
1356899109,0cyclictest0-21swapper/122:27:481
1356899109,0cyclictest0-21swapper/100:12:591
1356399109,0cyclictest0-21swapper/000:12:010
1356399108,1cyclictest9-21ksoftirqd/000:21:020
1356399100,0cyclictest0-21swapper/021:53:420
1356399100,0cyclictest0-21swapper/021:14:020
135729998,0cyclictest0-21swapper/319:15:193
135729993,1cyclictest41-21ksoftirqd/321:26:073
135719998,0cyclictest0-21swapper/222:24:282
135719998,0cyclictest0-21swapper/219:55:182
135719996,2cyclictest674-21dbus-daemon00:09:132
135719995,2cyclictest29979-21gdbus22:15:332
135689998,0cyclictest0-21swapper/121:38:091
135689998,0cyclictest0-21swapper/119:52:281
135689997,1cyclictest0-21swapper/122:50:181
135689995,1cyclictest26778-21sshd21:44:181
135689993,5cyclictest660-21avahi-daemon23:04:081
135689990,0cyclictest0-21swapper/100:24:481
135639997,1cyclictest9-21ksoftirqd/023:20:100
135639997,1cyclictest9-21ksoftirqd/022:34:270
135639996,1cyclictest9-21ksoftirqd/021:59:480
135639991,1cyclictest622-13audispd22:12:530
135719987,0cyclictest0-21swapper/223:25:082
135719987,0cyclictest0-21swapper/219:25:192
135719986,1cyclictest30719-21lspci22:54:172
135719986,1cyclictest22789-21lspci00:25:292
135719986,1cyclictest14191-21lspci22:05:222
135719985,2cyclictest660-21avahi-daemon23:53:032
135719985,2cyclictest660-21avahi-daemon22:37:212
135719985,2cyclictest660-21avahi-daemon21:40:102
135719985,2cyclictest660-21avahi-daemon00:21:512
135689987,1cyclictest30172-21lspci21:29:281
135689987,0cyclictest0-21swapper/121:56:381
135689987,0cyclictest0-21swapper/121:04:581
135689987,0cyclictest0-21swapper/120:23:281
135689987,0cyclictest0-21swapper/120:01:281
135689986,1cyclictest3029-21lspci00:26:391
135689985,2cyclictest674-21dbus-daemon23:48:331
135689985,2cyclictest660-21avahi-daemon22:55:201
135689985,2cyclictest660-21avahi-daemon22:33:371
135689985,2cyclictest660-21avahi-daemon00:33:581
135689985,2cyclictest660-21avahi-daemon00:08:001
135689985,2cyclictest25-21ksoftirqd/123:59:221
135639987,0cyclictest0-21swapper/020:35:010
135639987,0cyclictest0-21swapper/019:55:120
135639987,0cyclictest0-21swapper/019:21:310
135639987,0cyclictest0-21swapper/000:01:220
135639987,0cyclictest0-21swapper/000:01:210
135639986,1cyclictest9-21ksoftirqd/023:35:410
135639986,1cyclictest9-21ksoftirqd/022:25:170
135639986,1cyclictest9-21ksoftirqd/022:25:170
135639986,1cyclictest9-21ksoftirqd/021:38:230
135639986,1cyclictest32608-21lspci00:15:140
135639985,2cyclictest660-21avahi-daemon23:06:070
135639985,2cyclictest660-21avahi-daemon22:35:370
135639980,0cyclictest131rcu_sched22:15:210
135729975,1cyclictest41-21ksoftirqd/319:49:593
135719975,1cyclictest9371-21sshd21:26:522
135719975,1cyclictest660-21avahi-daemon23:05:012
135719975,1cyclictest660-21avahi-daemon21:34:092
135719975,1cyclictest1275-21sshd21:21:582
135689975,1cyclictest674-21dbus-daemon21:10:251
135689975,1cyclictest25-21ksoftirqd/122:20:161
135689974,2cyclictest660-21avahi-daemon23:05:251
135689974,2cyclictest660-21avahi-daemon22:00:441
135689974,2cyclictest660-21avahi-daemon21:20:381
135689974,2cyclictest25586-21sshd23:30:061
135689973,3cyclictest543-21sshd22:40:251
135689973,1cyclictest21338-21kworker/1:123:20:531
135689970,6cyclictest0-21swapper/120:41:381
135639975,1cyclictest9-21ksoftirqd/023:55:450
135639975,1cyclictest9-21ksoftirqd/023:45:480
135639975,1cyclictest660-21avahi-daemon22:55:010
135639975,1cyclictest660-21avahi-daemon22:40:070
135729964,1cyclictest41-21ksoftirqd/320:45:003
135729961,3cyclictest41-21ksoftirqd/320:45:013
135729961,3cyclictest41-21ksoftirqd/320:10:113
135729961,2cyclictest41-21ksoftirqd/320:50:123
135729961,2cyclictest41-21ksoftirqd/319:14:553
135729960,5cyclictest0-21swapper/321:08:503
135729960,5cyclictest0-21swapper/320:36:593
135719964,1cyclictest30625-21sshd21:09:342
135719963,2cyclictest1002-21snmpd20:19:232
135719963,2cyclictest1002-21snmpd19:53:562
135719963,2cyclictest1002-21snmpd19:24:152
135689965,0cyclictest0-21swapper/120:50:181
135689965,0cyclictest0-21swapper/119:38:181
135689965,0cyclictest0-21swapper/119:18:391
135689963,2cyclictest1002-21snmpd20:37:381
135689960,5cyclictest0-21swapper/120:19:181
135639965,0cyclictest8177-21kworker/0:220:15:040
135639963,2cyclictest1002-21snmpd19:36:420
135639963,2cyclictest1002-21snmpd19:18:550
135639962,3cyclictest4141-21perf20:05:000
135639960,5cyclictest0-21swapper/020:08:520
135729954,0cyclictest391rcuc/321:00:193
135729954,0cyclictest0-21swapper/320:16:503
135729954,0cyclictest0-21swapper/319:20:093
135729953,1cyclictest2782-21mii-tool20:00:123
135729953,1cyclictest1002-21snmpd20:31:563
135729953,1cyclictest1002-21snmpd20:25:023
135729953,1cyclictest1002-21snmpd19:50:023
135729951,2cyclictest41-21ksoftirqd/320:55:193
135729951,2cyclictest41-21ksoftirqd/320:05:153
135729951,2cyclictest41-21ksoftirqd/319:55:113
135729950,3cyclictest41-21ksoftirqd/320:20:143
135729950,3cyclictest41-21ksoftirqd/319:35:153
135729950,2cyclictest0-21swapper/319:28:543
135729950,1cyclictest41-21ksoftirqd/319:40:143
135729950,1cyclictest41-21ksoftirqd/319:30:143
135719953,1cyclictest674-21dbus-daemon20:20:002
135719953,1cyclictest25165-21cat20:55:152
135719953,1cyclictest1002-21snmpd21:00:142
135719953,1cyclictest1002-21snmpd20:51:052
135719953,1cyclictest1002-21snmpd20:45:202
135719953,1cyclictest1002-21snmpd20:41:362
135719953,1cyclictest1002-21snmpd20:05:412
135719953,1cyclictest1002-21snmpd19:45:252
135719953,1cyclictest1002-21snmpd19:41:192
135719953,1cyclictest1002-21snmpd19:31:062
135719953,1cyclictest1002-21snmpd19:16:312
135719952,2cyclictest6443-21wc20:10:102
135719952,2cyclictest1002-21snmpd20:32:152
135719952,2cyclictest1002-21snmpd19:37:002
135719951,0cyclictest121rcu_preempt19:10:232
135719950,4cyclictest0-21swapper/220:26:182
135689954,0cyclictest0-21swapper/119:42:191
135689953,1cyclictest706-21cat19:55:141
135689953,1cyclictest4806-21cat20:05:131
135689953,1cyclictest25203-21cat20:55:161
135689953,1cyclictest2056-21kworker/1:020:10:391
135689953,1cyclictest1002-21snmpd21:07:511
135689953,1cyclictest1002-21snmpd20:46:501
135689953,1cyclictest1002-21snmpd20:33:061
135689953,1cyclictest1002-21snmpd19:32:271
135689953,1cyclictest1002-21snmpd19:26:301
135689953,1cyclictest1002-21snmpd19:24:061
135689952,2cyclictest1002-21snmpd20:27:081
135639954,0cyclictest0-21swapper/020:41:410
135639954,0cyclictest0-21swapper/020:30:220
135639953,1cyclictest30894-21grep19:50:120
135639953,1cyclictest27201-21cat21:00:130
135639953,1cyclictest22931-21cat19:30:140
135639953,1cyclictest15193-21runrttasks19:10:430
135639953,1cyclictest1002-21snmpd20:59:590
135639953,1cyclictest1002-21snmpd20:50:110
135639953,1cyclictest1002-21snmpd20:46:150
135639953,1cyclictest1002-21snmpd20:11:280
135639953,1cyclictest1002-21snmpd19:28:510
135639952,2cyclictest674-21dbus-daemon19:49:590
135719942,1cyclictest2762-21cat20:00:122
135719942,1cyclictest17094-21uname20:35:142
135639942,1cyclictest12255-21crond20:25:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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