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2026-05-02 - 04:33
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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 Sat May 02, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234982900,0sleep30-21swapper/323:08:513
156862890,0sleep015687-21grep00:06:230
48502770,0sleep20-21swapper/223:26:412
89432760,1sleep22616199cyclictest00:03:052
180012750,1sleep218002-21bash23:22:162
300962640,1sleep1674-21dbus-daemon00:27:071
324812620,0sleep2311rcuc/222:27:572
324812620,0sleep2311rcuc/222:27:562
27982570,0sleep30-21swapper/322:30:553
27982570,0sleep30-21swapper/322:30:543
124062570,1sleep312405-21bash23:02:193
320472540,1sleep132048-21sshd23:37:211
12212540,0sleep30-21swapper/321:32:233
33682530,0sleep30-21swapper/321:20:413
149632510,1sleep214966-21bash00:09:112
98142500,0sleep10-21swapper/100:05:531
49562490,0sleep10-21swapper/121:38:301
320772490,0sleep10-21swapper/123:20:381
309282490,0sleep00-21swapper/022:47:130
279502490,0sleep10-21swapper/123:06:251
160872490,0sleep30-21swapper/321:36:393
125222490,0sleep00-21swapper/023:52:180
113212490,0sleep00-21swapper/000:19:580
113212490,0sleep00-21swapper/000:19:570
110292490,0sleep10-21swapper/100:17:071
110292490,0sleep10-21swapper/100:17:061
304802410,1sleep22616199cyclictest23:17:472
260402350,0sleep30-21swapper/323:47:563
216762350,0sleep20-21swapper/221:59:172
168552340,0sleep0624-13audispd22:26:350
168552340,0sleep0624-13audispd22:26:340
2588723112,7sleep00-21swapper/019:08:010
2425523018,7sleep10-21swapper/119:05:101
259402244,15sleep30-21swapper/319:08:443
242462197,7sleep20-21swapper/219:05:032
287212180,0sleep3391rcuc/322:24:533
92772170,0sleep30-21swapper/321:55:213
40342170,2sleep22616199cyclictest00:19:192
40342170,2sleep22616199cyclictest00:19:192
240262170,0sleep30-21swapper/322:57:453
26161991615,0cyclictest321ktimersoftd/221:46:382
2616199160,1cyclictest131rcu_sched22:06:262
138522160,0sleep10-21swapper/121:58:361
298272150,1sleep229808-21sshd22:47:072
28152150,0sleep00-21swapper/022:14:170
277382150,0sleep3391rcuc/300:24:093
12412150,0sleep10-21swapper/121:54:471
296302140,0sleep10-21swapper/119:15:151
2616199140,13cyclictest0-21swapper/223:14:282
32692130,0sleep00-21swapper/023:29:230
2616599130,12cyclictest14376-21id21:18:093
26161991312,0cyclictest30343-21lspci22:25:002
26161991311,1cyclictest321ktimersoftd/222:10:432
2616199130,1cyclictest0-21swapper/223:41:092
2616199130,12cyclictest674-21dbus-daemon22:00:482
2616199130,12cyclictest570-21sshd00:24:382
2615199130,1cyclictest12057-21sshd21:55:360
212972130,0sleep20-21swapper/223:03:062
270942120,0sleep00-21swapper/022:19:100
26165991211,0cyclictest75750irq/24-eno1-rx-22:17:193
2616599120,1cyclictest642-21systemd-logind00:34:393
2616199121,1cyclictest33-21ksoftirqd/223:08:242
26161991210,1cyclictest33-21ksoftirqd/222:51:282
26161991210,1cyclictest12475-21bash22:40:092
26161991210,1cyclictest12475-21bash22:40:082
26161991210,1cyclictest0-21swapper/223:58:182
2616199120,1cyclictest30520-21perf00:30:012
2616199120,11cyclictest0-21swapper/223:47:182
26155991211,0cyclictest0-21swapper/122:51:541
26155991210,1cyclictest2903-21sshd22:05:531
26155991210,1cyclictest10457-21bash21:47:131
2615599120,1cyclictest18221-21lspci23:30:331
2615599120,11cyclictest24801-21bash00:21:031
2615199120,1cyclictest1-21systemd22:21:560
127602120,0sleep212761-21bash21:39:102
26165991110,0cyclictest0-21swapper/323:37:293
2616599110,10cyclictest2323-21sshd00:38:393
2616599110,10cyclictest0-21swapper/323:43:403
2616599110,10cyclictest0-21swapper/300:19:003
2616599110,10cyclictest0-21swapper/300:18:593
2616199114,1cyclictest33-21ksoftirqd/200:35:562
2616199113,1cyclictest33-21ksoftirqd/221:43:442
2616199112,1cyclictest33-21ksoftirqd/222:36:172
26161991111,0cyclictest321ktimersoftd/219:10:322
26161991110,0cyclictest33-21ksoftirqd/222:32:042
26161991110,0cyclictest33-21ksoftirqd/222:32:042
26155991110,0cyclictest0-21swapper/123:55:341
26155991110,0cyclictest0-21swapper/121:22:041
2615599110,10cyclictest9781-21lspci22:12:031
2615599110,10cyclictest0-21swapper/123:15:241
2615599110,10cyclictest0-21swapper/123:02:141
2615199113,4cyclictest4868-21munin-run00:25:000
26151991110,0cyclictest0-21swapper/023:19:070
26151991110,0cyclictest0-21swapper/022:06:460
2615199110,10cyclictest27859-21sshd22:30:170
2615199110,10cyclictest27859-21sshd22:30:160
2615199110,10cyclictest16893-21bash21:10:270
2615199110,10cyclictest0-21swapper/023:07:360
2615199110,10cyclictest0-21swapper/023:00:360
2615199110,10cyclictest0-21swapper/000:27:060
190182110,0sleep30-21swapper/322:26:453
190182110,0sleep30-21swapper/322:26:453
62352100,1sleep06231-21sshd23:21:140
2616599109,0cyclictest0-21swapper/323:21:293
2616599109,0cyclictest0-21swapper/323:16:093
2616599109,0cyclictest0-21swapper/322:52:393
2616599109,0cyclictest0-21swapper/322:04:593
2616599108,1cyclictest9020-21sshd22:12:003
2616599108,1cyclictest710-21NetworkManager23:53:303
2616599108,1cyclictest25375-21sshd21:42:593
2616599108,1cyclictest1-21systemd00:13:193
2616599100,0cyclictest0-21swapper/321:29:093
2616199109,0cyclictest12796-21lspci21:25:482
2616199109,0cyclictest0-21swapper/223:35:482
2616199109,0cyclictest0-21swapper/222:15:382
2616199108,1cyclictest33-21ksoftirqd/221:33:252
2616199106,1cyclictest33-21ksoftirqd/221:15:362
2616199102,3cyclictest33-21ksoftirqd/221:51:092
2616199102,1cyclictest33-21ksoftirqd/223:30:082
2616199101,1cyclictest674-21dbus-daemon21:22:332
26161991010,0cyclictest321ktimersoftd/220:44:532
2616199100,3cyclictest0-21swapper/200:10:132
2615599109,0cyclictest0-21swapper/122:31:031
2615599109,0cyclictest0-21swapper/122:31:031
2615599109,0cyclictest0-21swapper/100:04:031
2615599100,0cyclictest0-21swapper/123:48:131
2615599100,0cyclictest0-21swapper/123:26:031
2615199109,0cyclictest0-21swapper/021:19:360
2615199109,0cyclictest0-21swapper/020:29:560
2615199108,1cyclictest9-21ksoftirqd/022:40:520
2615199108,1cyclictest9-21ksoftirqd/022:40:520
2615199100,9cyclictest0-21swapper/019:13:560
2615199100,0cyclictest0-21swapper/023:33:270
221682100,0sleep00-21swapper/023:11:280
261659997,1cyclictest13274-21lspci22:40:113
261659997,1cyclictest13274-21lspci22:40:113
261659995,3cyclictest24727-21sshd22:07:493
261619998,0cyclictest0-21swapper/223:52:382
261619997,1cyclictest33-21ksoftirqd/222:58:182
261619996,1cyclictest33-21ksoftirqd/200:30:102
261559998,0cyclictest0-21swapper/100:30:431
261559994,4cyclictest660-21avahi-daemon22:21:311
261559990,0cyclictest0-21swapper/120:20:531
261519998,0cyclictest0-21swapper/023:59:370
261519998,0cyclictest0-21swapper/023:45:460
261519998,0cyclictest0-21swapper/021:02:560
261519996,2cyclictest660-21avahi-daemon00:39:090
261519993,4cyclictest649-21polkitd20:55:000
7084280,0sleep00-21swapper/000:02:550
261659986,1cyclictest660-21avahi-daemon22:36:543
261659985,2cyclictest660-21avahi-daemon23:55:423
261659985,2cyclictest660-21avahi-daemon23:30:043
261659985,2cyclictest660-21avahi-daemon23:26:173
261659985,2cyclictest660-21avahi-daemon22:49:233
261659985,2cyclictest660-21avahi-daemon21:49:243
261659985,2cyclictest660-21avahi-daemon00:01:473
261619988,0cyclictest321ktimersoftd/219:15:132
261619980,1cyclictest0-21swapper/221:10:072
261559987,0cyclictest0-21swapper/121:27:331
261559987,0cyclictest0-21swapper/121:17:231
261559987,0cyclictest0-21swapper/119:45:231
261559986,1cyclictest32261-21lspci22:27:561
261559986,1cyclictest32261-21lspci22:27:551
261559986,1cyclictest26920-21grepconf.sh22:41:191
261559986,1cyclictest26920-21grepconf.sh22:41:181
261559985,2cyclictest660-21avahi-daemon00:38:101
261559985,2cyclictest23635-21sshd22:46:341
261559985,2cyclictest22152-21lspci23:42:031
261559984,2cyclictest30451-21sshd21:12:101
261559982,2cyclictest674-21dbus-daemon23:51:301
261559980,7cyclictest18233-21sshd22:37:491
261519987,0cyclictest0-21swapper/022:50:170
261519987,0cyclictest0-21swapper/019:52:560
261519987,0cyclictest0-21swapper/019:30:160
261519986,1cyclictest9-21ksoftirqd/021:32:400
261519986,1cyclictest9175-21lspci00:14:130
261519986,1cyclictest6713-21lspci21:25:100
261519985,2cyclictest660-21avahi-daemon23:41:200
261519985,2cyclictest660-21avahi-daemon23:36:490
261519985,2cyclictest660-21avahi-daemon21:54:120
261519985,2cyclictest660-21avahi-daemon21:38:330
261519983,2cyclictest17035-21sshd00:34:230
261659976,0cyclictest0-21swapper/323:10:493
261659975,1cyclictest660-21avahi-daemon21:10:293
261659975,1cyclictest660-21avahi-daemon00:05:263
261659974,2cyclictest7691-21sshd00:25:143
261659974,2cyclictest660-21avahi-daemon21:50:013
261619977,0cyclictest527-40kipmi020:58:582
261619976,0cyclictest1002-21snmpd19:53:392
261559976,0cyclictest0-21swapper/121:05:131
261559975,1cyclictest660-21avahi-daemon22:56:331
261559975,1cyclictest5081-21bash23:10:031
261559975,1cyclictest2884-21sshd22:03:121
261559974,2cyclictest660-21avahi-daemon22:15:391
261559974,2cyclictest660-21avahi-daemon21:33:511
261559974,2cyclictest660-21avahi-daemon00:10:091
261559972,2cyclictest28594-21sshd21:40:261
261519975,1cyclictest660-21avahi-daemon22:56:030
261519975,1cyclictest660-21avahi-daemon21:40:320
261519975,1cyclictest30474-21sshd22:36:040
261519975,1cyclictest12850-21lspci21:21:530
261519974,2cyclictest660-21avahi-daemon21:45:310
261519972,2cyclictest723-21gdbus22:00:100
261659964,1cyclictest674-21dbus-daemon21:09:403
261659964,1cyclictest660-21avahi-daemon21:00:003
261659964,1cyclictest660-21avahi-daemon20:10:003
261659964,1cyclictest642-21systemd-logind19:15:003
261659963,2cyclictest660-21avahi-daemon19:24:553
261659963,2cyclictest1002-21snmpd19:58:003
261659963,2cyclictest1002-21snmpd19:38:263
261659962,3cyclictest674-21dbus-daemon20:35:003
261619966,0cyclictest321ktimersoftd/220:46:342
261619964,1cyclictest33-21ksoftirqd/219:24:592
261619963,2cyclictest1002-21snmpd21:06:232
261619963,2cyclictest1002-21snmpd20:26:432
261619963,2cyclictest1002-21snmpd19:56:062
261619960,5cyclictest0-21swapper/219:37:082
261619960,0cyclictest121rcu_preempt20:01:002
261559965,0cyclictest0-21swapper/119:51:031
261559964,1cyclictest674-21dbus-daemon20:50:001
261559964,1cyclictest674-21dbus-daemon19:39:591
261519965,0cyclictest0-21swapper/020:40:560
261519965,0cyclictest0-21swapper/020:32:560
261519965,0cyclictest0-21swapper/019:25:560
261519964,1cyclictest642-21systemd-logind19:45:000
261519963,2cyclictest660-21avahi-daemon21:09:400
261519963,2cyclictest1002-21snmpd20:45:470
261519963,2cyclictest1002-21snmpd20:15:270
261519963,2cyclictest1002-21snmpd20:06:240
261519963,2cyclictest1002-21snmpd19:57:100
261519963,2cyclictest1002-21snmpd19:37:020
261519960,5cyclictest0-21swapper/020:12:360
261659953,1cyclictest7230-21mii-tool19:40:123
261659953,1cyclictest660-21avahi-daemon19:45:003
261659953,1cyclictest29654-21cat20:35:123
261659953,1cyclictest2803-21tr19:30:103
261659953,1cyclictest25557-21mii-tool20:25:133
261659953,1cyclictest11284-21cat19:50:143
261659953,1cyclictest1117-21cat19:25:133
261659953,1cyclictest1002-21snmpd21:00:313
261659953,1cyclictest1002-21snmpd20:50:403
261659953,1cyclictest1002-21snmpd20:40:053
261659953,1cyclictest1002-21snmpd20:20:063
261659953,1cyclictest1002-21snmpd20:17:523
261659953,1cyclictest1002-21snmpd20:12:213
261659953,1cyclictest1002-21snmpd20:00:243
261659952,2cyclictest1137-21sh20:45:123
261659950,0cyclictest0-21swapper/319:16:193
261619954,0cyclictest0-21swapper/219:41:492
261619953,1cyclictest660-21avahi-daemon20:55:002
261619953,1cyclictest1705-21sendmail20:30:312
261619953,1cyclictest1002-21snmpd20:36:462
261619953,1cyclictest1002-21snmpd20:23:482
261619953,1cyclictest1002-21snmpd20:16:092
261619953,1cyclictest1002-21snmpd19:30:442
261619953,1cyclictest1002-21snmpd19:26:302
261619952,2cyclictest1002-21snmpd21:00:582
261619951,2cyclictest131rcu_sched19:45:002
261619951,1cyclictest121rcu_preempt20:10:142
261619950,0cyclictest0-21swapper/220:06:292
261559954,0cyclictest0-21swapper/120:40:031
261559953,1cyclictest649-21polkitd20:20:001
261559953,1cyclictest3381-21cat20:50:111
261559953,1cyclictest1002-21snmpd21:03:381
261559953,1cyclictest1002-21snmpd20:35:101
261559953,1cyclictest1002-21snmpd20:30:051
261559953,1cyclictest1002-21snmpd20:28:131
261559953,1cyclictest1002-21snmpd20:10:241
261559953,1cyclictest1002-21snmpd19:58:571
261559953,1cyclictest1002-21snmpd19:11:461
261559952,2cyclictest532-21cat19:25:001
261559952,2cyclictest16382-21chrt20:01:021
261559952,2cyclictest0-21swapper/119:33:551
261519953,1cyclictest1002-21snmpd20:55:160
261519953,1cyclictest1002-21snmpd20:38:460
261519953,1cyclictest1002-21snmpd20:22:010
261519953,1cyclictest1002-21snmpd20:01:000
261519953,1cyclictest1002-21snmpd19:20:380
261519953,1cyclictest1002-21snmpd19:15:440
261559942,1cyclictest6907-21/usr/sbin/munin19:40:111
261559942,1cyclictest17438-21cat20:05:141
261559942,1cyclictest1002-21snmpd20:55:111
261559940,2cyclictest619-21grep19:25:101
261519944,0cyclictest2476-21kworker/0:219:45:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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