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2026-04-09 - 01:37
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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 Thu Apr 09, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231192590,0sleep323116-21cat20:55:003
5442580,5sleep233-21ksoftirqd/200:19:582
149712570,0sleep10-21swapper/122:44:241
102572570,0sleep20-21swapper/222:32:552
170052560,0sleep30-21swapper/300:24:073
304172540,0sleep10-21swapper/123:02:151
130542540,0sleep30-21swapper/322:16:353
130542540,0sleep30-21swapper/322:16:343
317572530,3sleep0111rcuc/000:19:520
281702530,2sleep11219399cyclictest21:44:481
204942530,0sleep220487-21lspci22:17:142
204942530,0sleep220487-21lspci22:17:132
283012520,0sleep20-21swapper/223:46:142
283012520,0sleep20-21swapper/223:46:132
213832520,1sleep09-21ksoftirqd/021:13:120
265512510,2sleep31219599cyclictest21:50:113
100542510,0sleep00-21swapper/023:41:550
257222500,0sleep20-21swapper/222:12:092
196322490,1sleep01-21systemd23:12:220
163612490,0sleep00-21swapper/023:03:500
259692480,0sleep20-21swapper/223:01:522
160512480,0sleep20-21swapper/223:14:542
121722480,0sleep10-21swapper/100:26:261
217792470,0sleep20-21swapper/221:29:152
185552470,0sleep10-21swapper/122:19:531
185552470,0sleep10-21swapper/122:19:521
136072380,0sleep30-21swapper/321:20:163
276812370,0sleep00-21swapper/023:21:190
198632370,0sleep30-21swapper/323:29:003
1171123624,7sleep30-21swapper/319:05:263
1175923321,7sleep20-21swapper/219:06:012
118532298,7sleep10-21swapper/119:07:131
193022210,1sleep2642-21systemd-logind23:50:572
1172322113,4sleep00-21swapper/019:05:360
26252180,1sleep12621-21sshd22:24:021
129022180,1sleep212901-21bash22:44:132
12192991816,1cyclictest32066-21lspci00:36:260
151102170,0sleep015111-21grep23:36:500
110272170,0sleep00-21swapper/000:29:090
62392160,0sleep30-21swapper/300:00:573
298802160,0sleep20-21swapper/221:44:572
265312160,2sleep31219599cyclictest22:20:283
248352160,0sleep30-21swapper/323:45:553
248352160,0sleep30-21swapper/323:45:543
131482160,1sleep1231rcuc/121:20:141
95272150,0sleep20-21swapper/221:45:542
300842150,0sleep00-21swapper/022:59:290
271142150,0sleep227056-21sshd23:37:532
219562150,0sleep20-21swapper/200:05:072
12192991514,0cyclictest101ktimersoftd/023:05:110
12192991514,0cyclictest0-21swapper/022:52:560
64052140,0sleep20-21swapper/223:22:182
43442140,0sleep30-21swapper/323:44:143
325712140,0sleep1241ktimersoftd/122:59:421
270552140,1sleep327042-21sshd00:33:163
259222140,0sleep10-21swapper/100:33:101
24892140,0sleep10-21swapper/123:05:181
204422140,0sleep30-21swapper/322:33:493
148172140,0sleep10-21swapper/123:42:201
1219499140,13cyclictest0-21swapper/223:59:542
12192991413,0cyclictest16909-21lspci21:38:170
12192991412,1cyclictest12753-21kworker/0:322:47:590
1219299140,1cyclictest0-21swapper/021:49:050
321782130,0sleep10-21swapper/122:01:391
179942130,0sleep10-21swapper/100:38:031
179762130,0sleep10-21swapper/100:15:491
132392130,0sleep00-21swapper/000:34:540
1219599130,1cyclictest6850-21sshd23:22:213
12194991311,1cyclictest867-21grepconf.sh23:05:142
1219399130,1cyclictest1-21systemd22:38:401
1219299130,12cyclictest29217-21bash22:31:450
107982130,0sleep3401ktimersoftd/322:02:373
283462120,0sleep10-21swapper/123:37:591
196142120,0sleep219616-21latency19:25:152
12195991210,1cyclictest7928-21lspci22:54:503
12195991210,1cyclictest32024-21lspci22:56:513
12195991210,1cyclictest3008-21sshd23:55:113
1219599120,11cyclictest21305-21sshd23:31:503
1219599120,11cyclictest0-21swapper/323:38:113
1219599120,11cyclictest0-21swapper/321:36:113
1219599120,11cyclictest0-21swapper/300:35:113
12194991210,1cyclictest4997-21sshd21:56:342
1219499120,1cyclictest0-21swapper/222:09:142
1219499120,11cyclictest7261-21bash23:27:552
1219399120,11cyclictest0-21swapper/121:32:291
1219299129,2cyclictest674-21dbus-daemon22:19:460
1219299129,2cyclictest674-21dbus-daemon22:19:450
12192991211,0cyclictest32550irq/27-ahci[00022:25:580
12192991211,0cyclictest16775-21kworker/0:122:10:110
12192991210,1cyclictest13329-21grep23:25:360
1219299120,1cyclictest11147-21systemd-cgroups00:09:460
1219599119,1cyclictest674-21dbus-daemon23:19:103
1219599119,1cyclictest2609-21bash22:48:513
1219599119,1cyclictest22741-21grep00:27:213
1219599119,1cyclictest17905-21bash23:50:503
12195991110,0cyclictest0-21swapper/322:35:413
12195991110,0cyclictest0-21swapper/322:10:003
1219599110,10cyclictest0-21swapper/322:25:403
12194991110,0cyclictest0-21swapper/223:40:352
12194991110,0cyclictest0-21swapper/221:15:142
1219499110,0cyclictest0-21swapper/221:37:252
12193991110,0cyclictest0-21swapper/120:13:491
1219399110,10cyclictest8756-21grepconf.sh21:11:301
1219399110,10cyclictest0-21swapper/121:38:001
1219399110,0cyclictest32708-21bash22:45:501
1219299119,1cyclictest9-21ksoftirqd/022:05:150
1219299119,1cyclictest30953-21lspci00:22:300
1219299119,1cyclictest2238-21kworker/0:200:01:180
1219299113,4cyclictest610-21basename23:55:010
12192991110,1cyclictest6191-21kworker/0:023:34:580
12192991110,0cyclictest101ktimersoftd/023:58:230
12192991110,0cyclictest0-21swapper/021:27:460
1219299110,10cyclictest0-21swapper/021:56:150
20772100,0sleep20-21swapper/222:04:402
1219599109,0cyclictest0-21swapper/319:30:003
1219599100,0cyclictest0-21swapper/323:10:013
1219499109,0cyclictest0-21swapper/200:21:042
1219499109,0cyclictest0-21swapper/200:12:052
1219499108,1cyclictest22225-21lspci00:35:352
1219499100,0cyclictest0-21swapper/220:14:542
1219399109,0cyclictest0-21swapper/123:45:301
1219399109,0cyclictest0-21swapper/123:45:291
1219399109,0cyclictest0-21swapper/123:17:001
1219399109,0cyclictest0-21swapper/122:11:491
1219399109,0cyclictest0-21swapper/100:22:491
1219299109,0cyclictest0-21swapper/023:45:450
1219299109,0cyclictest0-21swapper/023:45:450
1219299109,0cyclictest0-21swapper/019:34:460
1219299101,1cyclictest131rcu_sched23:15:240
1219299100,0cyclictest0-21swapper/022:21:450
121959998,0cyclictest0-21swapper/322:44:503
121959998,0cyclictest0-21swapper/300:19:303
121959998,0cyclictest0-21swapper/300:11:413
121959997,1cyclictest24164-21sshd22:14:513
121949998,0cyclictest0-21swapper/221:51:252
121949998,0cyclictest0-21swapper/221:14:052
121949996,2cyclictest17003-21lspci22:58:202
121939998,0cyclictest0-21swapper/123:28:301
121939998,0cyclictest0-21swapper/122:06:401
121939998,0cyclictest0-21swapper/100:08:191
121939997,1cyclictest11816-21sshd21:57:091
121939997,1cyclictest0-21swapper/123:31:391
121929997,1cyclictest9-21ksoftirqd/022:44:170
24887280,0sleep30-21swapper/321:41:413
121959987,0cyclictest0-21swapper/323:00:513
121959986,1cyclictest660-21avahi-daemon00:06:433
121959985,2cyclictest660-21avahi-daemon23:07:193
121959985,2cyclictest660-21avahi-daemon21:34:053
121959985,2cyclictest660-21avahi-daemon21:16:273
121959985,2cyclictest649-21polkitd21:14:143
121959985,2cyclictest13457-21sshd21:46:153
121959984,3cyclictest674-21dbus-daemon21:58:373
121959980,7cyclictest0-21swapper/319:15:213
121949986,1cyclictest4600-21grep22:26:542
121949986,1cyclictest16060-21lspci22:52:432
121949985,2cyclictest660-21avahi-daemon22:38:242
121949985,2cyclictest660-21avahi-daemon21:23:312
121939987,0cyclictest0-21swapper/123:22:091
121939987,0cyclictest0-21swapper/121:52:001
121939987,0cyclictest0-21swapper/119:33:501
121939987,0cyclictest0-21swapper/100:01:401
121939986,1cyclictest674-21dbus-daemon00:13:521
121939986,1cyclictest12070-21lspci21:48:571
121939985,2cyclictest674-21dbus-daemon22:51:451
121939985,2cyclictest660-21avahi-daemon23:57:171
121939985,2cyclictest660-21avahi-daemon23:13:081
121939985,2cyclictest660-21avahi-daemon22:26:321
121939985,2cyclictest660-21avahi-daemon21:27:111
121939985,2cyclictest0-21swapper/122:31:291
121929986,1cyclictest9-21ksoftirqd/022:02:240
121929986,1cyclictest9-21ksoftirqd/021:52:540
121929986,1cyclictest9-21ksoftirqd/021:40:200
121929986,1cyclictest9-21ksoftirqd/000:12:290
121929986,1cyclictest4415-21kworker/0:121:21:290
121929985,2cyclictest649-21polkitd22:35:040
121929980,4cyclictest10883-21munin-run20:25:010
121929980,1cyclictest131rcu_sched21:32:110
4873270,1sleep25069-21sshd23:30:242
121959975,1cyclictest6690-21lspci21:27:213
121949976,0cyclictest0-21swapper/219:46:042
121949975,1cyclictest9795-21lspci00:26:132
121949975,1cyclictest660-21avahi-daemon22:45:532
121949975,1cyclictest660-21avahi-daemon22:21:362
121949975,1cyclictest660-21avahi-daemon00:30:292
121949974,2cyclictest660-21avahi-daemon23:15:242
121949974,2cyclictest660-21avahi-daemon21:32:052
121949974,2cyclictest660-21avahi-daemon00:01:092
121949970,6cyclictest0-21swapper/221:00:542
121939976,0cyclictest0-21swapper/120:01:491
121939975,1cyclictest660-21avahi-daemon21:16:401
121939973,1cyclictest121rcu_preempt23:51:471
121929977,0cyclictest101ktimersoftd/020:43:480
121929974,2cyclictest649-21polkitd21:16:520
121929972,4cyclictest6824-21awk20:15:000
121959965,0cyclictest0-21swapper/319:25:013
121959964,1cyclictest699-21gdbus20:45:013
121959963,2cyclictest1002-21snmpd20:35:553
121959963,2cyclictest1002-21snmpd19:39:303
121959963,2cyclictest1002-21snmpd19:21:163
121949965,0cyclictest0-21swapper/220:50:142
121949965,0cyclictest0-21swapper/219:55:442
121949964,1cyclictest1002-21snmpd20:29:092
121949963,2cyclictest699-21gdbus20:25:012
121949963,2cyclictest1002-21snmpd20:08:522
121949963,2cyclictest1002-21snmpd20:00:152
121949963,2cyclictest1002-21snmpd19:38:302
121939964,1cyclictest674-21dbus-daemon21:04:561
121939963,2cyclictest1002-21snmpd20:58:501
121939960,5cyclictest0-21swapper/120:41:291
121939960,5cyclictest0-21swapper/120:06:301
121929964,1cyclictest660-21avahi-daemon19:39:590
121929964,1cyclictest623-17sedispatch19:43:460
121929963,2cyclictest660-21avahi-daemon21:09:520
121929963,2cyclictest1002-21snmpd20:07:160
121929963,2cyclictest1002-21snmpd19:15:260
121929963,1cyclictest0-21swapper/020:30:000
121929960,4cyclictest29979-21gdbus20:34:560
121959954,0cyclictest0-21swapper/319:56:503
121959954,0cyclictest0-21swapper/319:47:103
121959953,1cyclictest4328-21grep20:05:203
121959953,1cyclictest29674-21mii-tool19:50:123
121959953,1cyclictest19737-21cat20:45:133
121959953,1cyclictest12825-21cat19:10:123
121959953,1cyclictest1002-21snmpd20:26:123
121959953,1cyclictest1002-21snmpd20:11:243
121959953,1cyclictest1002-21snmpd20:00:033
121959953,1cyclictest1002-21snmpd19:42:063
121959952,2cyclictest27969-21cat21:05:133
121959952,2cyclictest24914-21chrt20:57:413
121959952,2cyclictest14776-21taskset20:33:023
121959952,2cyclictest1002-21snmpd20:15:103
121959950,1cyclictest26602-21wc21:00:203
121949954,0cyclictest0-21swapper/221:08:142
121949953,1cyclictest21548-21cat19:30:122
121949953,1cyclictest1002-21snmpd20:55:172
121949953,1cyclictest1002-21snmpd20:47:052
121949953,1cyclictest1002-21snmpd20:43:052
121949953,1cyclictest1002-21snmpd20:36:582
121949953,1cyclictest1002-21snmpd20:30:012
121949953,1cyclictest1002-21snmpd19:51:032
121949953,1cyclictest1002-21snmpd19:40:542
121949953,1cyclictest1002-21snmpd19:20:192
121949953,1cyclictest1002-21snmpd19:15:592
121949953,1cyclictest1002-21snmpd19:11:202
121949952,2cyclictest7631-21cat20:15:142
121939954,0cyclictest0-21swapper/120:36:191
121939953,1cyclictest7137-21tr20:15:111
121939953,1cyclictest699-21gdbus19:55:001
121939953,1cyclictest699-21gdbus19:24:591
121939953,1cyclictest26442-21grep19:40:191
121939953,1cyclictest12847-21mii-tool19:10:121
121939953,1cyclictest11600-21cat20:25:141
121939953,1cyclictest1002-21snmpd21:08:111
121939953,1cyclictest1002-21snmpd20:45:081
121939953,1cyclictest1002-21snmpd20:32:341
121939953,1cyclictest1002-21snmpd19:48:321
121939953,1cyclictest1002-21snmpd19:35:381
121939953,1cyclictest1002-21snmpd19:25:111
121939953,1cyclictest1002-21snmpd19:15:381
121939952,2cyclictest9124-21awk20:20:111
121939952,2cyclictest1002-21snmpd19:53:421
121939950,4cyclictest23022-21seq20:54:251
121929954,0cyclictest0-21swapper/020:35:160
121929953,1cyclictest699-21gdbus20:49:560
121929953,1cyclictest28947-21kworker/0:019:55:120
121929953,1cyclictest1082-21lldpd21:00:040
121929953,1cyclictest1002-21snmpd20:56:320
121929953,1cyclictest1002-21snmpd20:52:340
121929953,1cyclictest1002-21snmpd20:02:500
121929953,1cyclictest1002-21snmpd19:54:060
121929953,1cyclictest1002-21snmpd19:24:010
121929953,1cyclictest1002-21snmpd19:10:490
121929952,2cyclictest20759-21chrt19:29:250
121929952,2cyclictest1002-21snmpd19:45:230
121929950,0cyclictest0-21swapper/020:17:350
121959942,1cyclictest0-21swapper/320:20:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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