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2026-05-27 - 02:25
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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 792 highest latencies:
System rack2slot0.osadl.org (updated Wed May 27, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140102920,0sleep10-21swapper/122:03:101
126632770,1sleep341-21ksoftirqd/323:51:303
263242630,0sleep20-21swapper/222:04:152
262732570,0sleep00-21swapper/023:02:330
84562560,1sleep3674-21dbus-daemon23:28:513
73502530,1sleep3674-21dbus-daemon21:45:543
307022530,0sleep00-21swapper/022:35:080
242132530,0sleep30-21swapper/322:54:033
202002530,0sleep20-21swapper/221:47:012
321612520,1sleep132160-21sshd22:21:191
173912520,1sleep017386-21sshd22:17:190
20602500,0sleep20-21swapper/223:25:262
190002500,0sleep2311rcuc/223:10:162
224402490,0sleep00-21swapper/021:44:300
194492490,0sleep10-21swapper/122:06:211
324912480,0sleep10-21swapper/122:15:481
279032480,0sleep30-21swapper/323:38:533
10982470,0sleep11093-21lspci23:25:211
311062440,2sleep2526899cyclictest00:12:312
502023227,3sleep10-21swapper/119:08:191
51292309,6sleep20-21swapper/219:09:402
509822612,10sleep00-21swapper/019:09:170
440522310,7sleep30-21swapper/319:05:213
18662190,1sleep1674-21dbus-daemon00:01:421
137292190,2sleep2526899cyclictest23:32:022
127522190,0sleep30-21swapper/321:16:263
54552180,0sleep05456-21systemd-cgroups00:26:590
150672180,1sleep1231rcuc/100:38:581
94532160,1sleep1231rcuc/122:33:181
5268991614,1cyclictest0-21swapper/223:02:362
526799166,1cyclictest25-21ksoftirqd/123:23:251
326682160,0sleep20-21swapper/222:29:462
156532160,1sleep1674-21dbus-daemon00:30:381
123832160,1sleep312382-21sshd23:09:453
103402160,0sleep110300-21sshd00:05:141
100262160,0sleep10-21swapper/122:52:491
8802150,1sleep3873-21bash21:56:273
6792140,0sleep00-21swapper/023:58:520
526899140,1cyclictest22835-21sshd23:38:262
5267991413,0cyclictest9033-21lspci21:59:591
5267991413,0cyclictest25-21ksoftirqd/122:45:001
5267991412,1cyclictest9790-21kworker/1:223:13:231
290342140,0sleep20-21swapper/222:15:292
263972140,0sleep00-21swapper/022:31:570
233712140,0sleep10-21swapper/122:48:231
231302140,1sleep3391rcuc/300:22:583
190822140,1sleep0101ktimersoftd/000:08:460
526999130,1cyclictest5835-21sshd23:11:543
526899130,2cyclictest674-21dbus-daemon23:16:162
5267991313,0cyclictest7819-21kworker/1:220:38:461
5267991313,0cyclictest527-40kipmi022:12:201
5267991313,0cyclictest3123-21kworker/1:319:18:521
5267991313,0cyclictest3123-21kworker/1:319:12:171
5267991312,0cyclictest241ktimersoftd/123:19:151
5267991312,0cyclictest21278-21lspci21:13:361
5267991312,0cyclictest1848-21kworker/1:423:58:261
5267991312,0cyclictest17644-21kworker/1:119:38:161
526799130,1cyclictest0-21swapper/121:34:481
526499130,1cyclictest0-21swapper/022:07:380
526499130,12cyclictest2400-21sshd00:35:070
526499130,12cyclictest0-21swapper/000:10:170
215052130,0sleep20-21swapper/223:24:262
75212120,0sleep20-21swapper/221:43:112
5269991210,1cyclictest26331-21sshd00:34:243
526999120,11cyclictest23124-21sshd22:15:043
526899120,1cyclictest23010-21grepconf.sh22:51:062
526899120,11cyclictest2200-21lspci00:35:052
526799123,1cyclictest25-21ksoftirqd/100:22:071
5267991212,0cyclictest5743-21kworker/1:020:26:481
5267991212,0cyclictest3663-21kworker/1:220:21:371
5267991212,0cyclictest18185-21kworker/1:021:01:291
5267991211,0cyclictest7819-21kworker/1:220:47:171
5267991211,0cyclictest241ktimersoftd/122:56:301
5267991211,0cyclictest241ktimersoftd/122:56:301
5267991210,1cyclictest2971-21bash23:45:081
526799120,1cyclictest710-21NetworkManager21:51:391
5264991210,1cyclictest0-21swapper/023:46:370
526499120,11cyclictest994-21lspci21:59:170
278442120,0sleep20-21swapper/200:15:052
172332120,0sleep3391rcuc/322:09:003
526999119,1cyclictest1156-21sshd22:32:333
5269991110,0cyclictest0-21swapper/323:31:233
526999110,10cyclictest22773-21bash22:26:043
526999110,10cyclictest0-21swapper/322:45:443
5268991110,0cyclictest0-21swapper/222:49:152
5268991110,0cyclictest0-21swapper/222:08:552
5268991110,0cyclictest0-21swapper/200:02:162
526899110,10cyclictest0-21swapper/221:20:362
526799113,1cyclictest25-21ksoftirqd/121:40:101
5267991111,0cyclictest12501-21kworker/1:019:29:371
5267991110,1cyclictest26430-21kworker/1:300:26:111
5267991110,0cyclictest31868-21kworker/1:120:11:021
5267991110,0cyclictest29665-21lspci22:35:041
5267991110,0cyclictest17644-21kworker/1:119:43:291
5267991110,0cyclictest14162-21kworker/1:223:35:551
5267991110,0cyclictest0-21swapper/123:06:381
526799110,10cyclictest0-21swapper/121:23:391
5264991110,0cyclictest0-21swapper/021:30:070
526499110,10cyclictest0-21swapper/023:35:480
526999109,0cyclictest0-21swapper/323:56:133
526999109,0cyclictest0-21swapper/322:03:043
526999109,0cyclictest0-21swapper/321:20:443
526999108,1cyclictest13251-21sshd23:01:243
526999100,0cyclictest0-21swapper/321:26:333
526999100,0cyclictest0-21swapper/319:20:043
526899109,0cyclictest28256-21lspci23:55:352
526899109,0cyclictest0-21swapper/223:41:362
526899109,0cyclictest0-21swapper/221:05:162
526899108,1cyclictest674-21dbus-daemon00:31:362
526899100,0cyclictest0-21swapper/221:26:262
526799109,0cyclictest241ktimersoftd/121:37:221
526799109,0cyclictest18746-21lspci21:17:101
526799108,1cyclictest25-21ksoftirqd/122:25:031
526799108,1cyclictest25-21ksoftirqd/100:10:201
5267991010,0cyclictest29258-21kworker/1:021:27:391
5267991010,0cyclictest1848-21kworker/1:423:53:151
5267991010,0cyclictest1565-21kworker/1:020:17:591
526799100,0cyclictest0-21swapper/123:31:081
526499109,0cyclictest0-21swapper/022:49:470
526499109,0cyclictest0-21swapper/000:15:380
526499108,1cyclictest13349-21bash00:24:580
526499100,0cyclictest30423-21sshd23:16:480
526499100,0cyclictest0-21swapper/023:43:280
52699998,0cyclictest0-21swapper/321:51:533
52699997,1cyclictest16915-21bash00:00:143
52699997,1cyclictest0-21swapper/323:45:243
52699996,2cyclictest660-21avahi-daemon23:19:493
52699990,0cyclictest0-21swapper/320:28:243
52689997,1cyclictest0-21swapper/222:20:252
52679999,0cyclictest12501-21kworker/1:019:32:451
52679999,0cyclictest12501-21kworker/1:019:32:451
52679997,1cyclictest25-21ksoftirqd/123:40:191
52679991,1cyclictest25-21ksoftirqd/123:01:131
52679991,1cyclictest131rcu_sched21:47:511
52679990,1cyclictest0-21swapper/100:17:391
52649998,0cyclictest0-21swapper/023:28:080
52649998,0cyclictest0-21swapper/022:20:570
52649998,0cyclictest0-21swapper/021:28:480
52649998,0cyclictest0-21swapper/021:21:380
52649998,0cyclictest0-21swapper/000:31:380
52649997,1cyclictest9-21ksoftirqd/021:36:450
52649997,1cyclictest0-21swapper/022:01:380
52649996,2cyclictest660-21avahi-daemon23:54:470
52699987,0cyclictest0-21swapper/322:59:343
52699987,0cyclictest0-21swapper/322:59:333
52699987,0cyclictest0-21swapper/322:43:243
52699987,0cyclictest0-21swapper/322:35:243
52699987,0cyclictest0-21swapper/319:53:243
52699986,1cyclictest7308-21lspci00:16:013
52699986,1cyclictest28036-21lspci21:33:593
52699985,2cyclictest674-21dbus-daemon22:10:353
52699985,2cyclictest660-21avahi-daemon23:41:523
52699985,2cyclictest660-21avahi-daemon21:42:433
52699985,2cyclictest660-21avahi-daemon00:38:493
52699985,2cyclictest660-21avahi-daemon00:26:353
52699985,2cyclictest660-21avahi-daemon00:12:393
52699985,2cyclictest660-21avahi-daemon00:07:373
52699985,2cyclictest11064-21sshd21:38:003
52699982,4cyclictest674-21dbus-daemon23:21:323
52689987,0cyclictest0-21swapper/219:59:562
52689986,1cyclictest9266-21lspci23:45:362
52689986,1cyclictest660-21avahi-daemon21:11:492
52689986,1cyclictest0-21swapper/222:58:562
52689986,1cyclictest0-21swapper/222:58:552
52689985,2cyclictest660-21avahi-daemon22:35:592
52689985,2cyclictest660-21avahi-daemon22:31:302
52689985,2cyclictest660-21avahi-daemon21:52:062
52689985,2cyclictest660-21avahi-daemon00:25:412
52689981,1cyclictest26993-21sshd21:58:442
52649987,0cyclictest0-21swapper/021:13:580
52649986,1cyclictest8596-21kworker/0:200:02:140
52649986,1cyclictest710-21NetworkManager22:59:280
52649986,1cyclictest710-21NetworkManager22:59:270
52649986,1cyclictest17725-21lspci23:21:150
52649986,1cyclictest11180-21lspci22:41:460
52649985,2cyclictest660-21avahi-daemon23:30:280
52649985,2cyclictest660-21avahi-daemon23:10:510
52649985,2cyclictest660-21avahi-daemon22:52:570
52649985,2cyclictest660-21avahi-daemon22:29:130
52649985,2cyclictest660-21avahi-daemon22:11:400
52649985,2cyclictest660-21avahi-daemon21:50:460
52649985,2cyclictest660-21avahi-daemon21:45:350
1649280,1sleep01644-21sshd23:05:560
52699976,0cyclictest0-21swapper/320:44:243
52699974,2cyclictest660-21avahi-daemon22:20:253
52699974,2cyclictest660-21avahi-daemon21:10:273
52699970,6cyclictest0-21swapper/320:11:533
52689976,0cyclictest0-21swapper/220:05:462
52689975,1cyclictest970-21lspci00:21:022
52689975,1cyclictest33-21ksoftirqd/221:35:132
52689975,1cyclictest20466-21lspci22:42:352
52689975,1cyclictest10670-21sshd00:05:152
52689974,2cyclictest674-21dbus-daemon22:10:242
52689974,2cyclictest660-21avahi-daemon23:51:452
52689974,2cyclictest660-21avahi-daemon23:05:502
52689974,2cyclictest660-21avahi-daemon21:30:522
52689974,2cyclictest660-21avahi-daemon21:15:352
52679977,0cyclictest28400-21kworker/1:020:07:451
52679977,0cyclictest17644-21kworker/1:119:48:311
52679976,1cyclictest14037-21kworker/1:020:50:161
52679976,0cyclictest0-21swapper/121:09:391
52649974,2cyclictest660-21avahi-daemon21:15:190
52699964,1cyclictest649-21polkitd21:09:263
52699963,2cyclictest1002-21snmpd20:46:403
52699963,2cyclictest1002-21snmpd20:04:363
52699963,2cyclictest1002-21snmpd19:32:353
52699963,2cyclictest1002-21snmpd19:32:353
52699962,2cyclictest13837-21sshd19:29:183
52699960,5cyclictest0-21swapper/320:21:133
52689963,2cyclictest1002-21snmpd20:57:402
52689963,2cyclictest1002-21snmpd20:47:042
52689960,5cyclictest0-21swapper/220:41:262
52689960,5cyclictest0-21swapper/220:00:462
52679966,0cyclictest3123-21kworker/1:319:20:471
52679966,0cyclictest241ktimersoftd/120:31:371
52679966,0cyclictest17644-21kworker/1:119:50:211
52679965,0cyclictest7819-21kworker/1:220:40:411
52649966,0cyclictest4200-21kworker/0:120:28:160
52649966,0cyclictest1894-21kworker/0:020:21:410
52649965,0cyclictest101ktimersoftd/020:30:170
52649963,2cyclictest1002-21snmpd20:41:160
52699954,0cyclictest0-21swapper/320:15:443
52699953,1cyclictest20598-21grep19:45:103
52699953,1cyclictest1088-21ntpd20:30:173
52699953,1cyclictest1002-21snmpd21:01:193
52699953,1cyclictest1002-21snmpd20:56:193
52699953,1cyclictest1002-21snmpd20:38:573
52699953,1cyclictest1002-21snmpd20:05:093
52699953,1cyclictest1002-21snmpd19:44:113
52699953,1cyclictest1002-21snmpd19:17:493
52699953,1cyclictest1002-21snmpd19:10:493
52699952,2cyclictest1002-21snmpd19:37:323
52699951,2cyclictest15889-21sshd20:51:193
52689953,1cyclictest321ktimersoftd/220:35:162
52689953,1cyclictest1705-21sendmail19:10:122
52689953,1cyclictest1082-21lldpd20:14:332
52689953,1cyclictest10529-21cat19:20:142
52689953,1cyclictest1002-21snmpd21:04:012
52689953,1cyclictest1002-21snmpd20:50:212
52689953,1cyclictest1002-21snmpd20:24:182
52689953,1cyclictest1002-21snmpd20:18:182
52689953,1cyclictest1002-21snmpd19:50:142
52689953,1cyclictest1002-21snmpd19:42:112
52689953,1cyclictest1002-21snmpd19:36:192
52689953,1cyclictest1002-21snmpd19:30:252
52689953,1cyclictest1002-21snmpd19:30:252
52689953,1cyclictest1002-21snmpd19:26:452
52689953,1cyclictest1002-21snmpd19:19:192
52689950,0cyclictest0-21swapper/220:30:362
52679955,0cyclictest25941-21kworker/1:120:00:221
52679955,0cyclictest16112-21kworker/1:220:57:031
52679953,1cyclictest24775-21cat19:55:121
52649955,0cyclictest19719-21kworker/0:119:50:140
52649955,0cyclictest17645-21kworker/0:219:40:370
52649954,0cyclictest16423-21kworker/0:021:00:130
52649953,1cyclictest8741-21cat20:35:150
52649953,1cyclictest8329-21tr19:15:110
52649953,1cyclictest445-21systemd-journal19:30:010
52649953,1cyclictest16886-21cat20:55:140
52649953,1cyclictest14142-21/usr/sbin/munin19:30:130
52649953,1cyclictest14142-21/usr/sbin/munin19:30:120
52649953,1cyclictest1082-21lldpd20:06:350
52649953,1cyclictest10565-21cat19:20:140
52649953,1cyclictest1002-21snmpd21:05:400
52649953,1cyclictest1002-21snmpd20:18:480
52649953,1cyclictest1002-21snmpd20:11:390
52649953,1cyclictest1002-21snmpd20:00:220
52649952,2cyclictest1002-21snmpd20:48:220
52649952,2cyclictest1002-21snmpd19:55:050
52699940,1cyclictest24706-21hddtemp_smartct19:55:113
52689942,1cyclictest20697-21if_eno119:45:102
52689942,1cyclictest1002-21snmpd20:25:092
52649943,0cyclictest3068-21kworker/0:219:10:170
52649942,1cyclictest16447-21df19:35:100
52649942,1cyclictest14630-21expr20:50:110
52649942,1cyclictest0-21swapper/019:45:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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