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2025-11-21 - 02:06
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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 all highest latencies:
System rack2slot0.osadl.org (updated Fri Nov 21, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2366921010,2sleep02219899cyclictest00:36:550
105482930,1sleep010543-21bash23:34:540
299962920,0sleep20-21swapper/222:56:482
57882640,0sleep30-21swapper/323:37:423
99582630,0sleep10-21swapper/121:50:301
280622630,1sleep128049-21sshd00:16:371
214522610,1sleep321451-21sshd22:42:393
167472610,1sleep12220399cyclictest23:42:081
174382600,2sleep02219899cyclictest23:12:120
246132590,0sleep10-21swapper/121:55:311
206562580,0sleep20-21swapper/200:33:122
162262580,2sleep32221599cyclictest21:24:053
100152580,1sleep110013-21if_err_eno200:25:141
21262570,0sleep00-21swapper/023:44:010
37612560,0sleep30-21swapper/323:30:453
151812560,0sleep315098-21sshd23:15:153
226192550,0sleep322617-21lspci22:05:263
324922540,0sleep30-21swapper/321:49:363
218872510,0sleep00-21swapper/021:31:230
197062510,0sleep20-21swapper/200:36:282
198582500,0sleep10-21swapper/123:25:421
98562480,1sleep341-21ksoftirqd/300:21:403
128192480,0sleep30-21swapper/300:39:143
138382460,0sleep20-21swapper/200:18:382
244272400,0sleep00-21swapper/021:41:520
104442390,2sleep275650irq/25-eno1-tx-22:54:512
73712380,1sleep07366-21bash23:50:530
64372380,0sleep20-21swapper/221:16:192
2080223219,7sleep30-21swapper/319:05:153
220412297,7sleep20-21swapper/219:09:232
218672298,7sleep10-21swapper/119:07:091
218272286,7sleep00-21swapper/019:06:400
274732210,1sleep027456-21sshd22:05:590
63912200,0sleep30-21swapper/321:53:403
142972180,0sleep30-21swapper/321:13:553
23132170,0sleep20-21swapper/223:20:312
132312170,2sleep1241ktimersoftd/121:47:311
34862160,1sleep03487-21sshd22:40:440
286892160,0sleep0101ktimersoftd/021:18:370
267122160,1sleep20-21swapper/221:45:262
124662160,1sleep2311rcuc/200:21:592
11782160,0sleep10-21swapper/122:53:541
91932150,0sleep3391rcuc/323:24:443
62602150,0sleep20-21swapper/221:43:222
327202150,0sleep20-21swapper/223:50:152
266972150,0sleep126694-21sshd23:19:501
22210991514,0cyclictest22704-21lspci22:49:292
195382150,0sleep30-21swapper/300:01:533
153632150,1sleep015352-21sshd21:47:450
22210991413,0cyclictest25537-21lspci21:11:142
22210991413,0cyclictest1304-21lspci22:27:002
211252140,1sleep221126-21bash23:25:522
186952140,0sleep2321ktimersoftd/222:35:342
22210991312,0cyclictest4571-21lspci22:10:232
22210991312,0cyclictest21318-21lspci21:21:072
22210991312,0cyclictest10056-21lspci23:11:252
22203991312,0cyclictest5462-21lspci22:27:251
22203991312,0cyclictest27416-21lspci22:05:591
2219899130,1cyclictest646-21dbus-daemon23:36:380
2219899130,12cyclictest2732-21lspci21:29:280
2219899130,12cyclictest0-21swapper/000:04:090
120762130,0sleep20-21swapper/221:08:352
115692130,0sleep111565-21bash22:34:561
77462120,0sleep10-21swapper/122:41:131
22215991210,1cyclictest932-21sshd22:13:253
2221599120,11cyclictest0-21swapper/322:35:153
22210991211,0cyclictest22684-21lspci22:05:272
22210991211,0cyclictest13635-21lspci23:08:342
22210991211,0cyclictest0-21swapper/223:03:092
22210991210,1cyclictest0-21swapper/223:49:592
2221099120,11cyclictest0-21swapper/223:18:392
2221099120,11cyclictest0-21swapper/221:33:482
2221099120,0cyclictest0-21swapper/223:56:092
22203991211,0cyclictest4019-21lspci23:14:101
22203991211,0cyclictest3126-21lspci22:00:071
22203991211,0cyclictest11358-21lspci21:33:451
22203991210,1cyclictest619-17sedispatch23:39:561
22203991210,1cyclictest18423-21sshd22:45:361
22203991210,1cyclictest11586-21lspci22:17:561
2220399120,1cyclictest684-21polkitd21:09:051
2220399120,1cyclictest19172-21lspci22:39:061
22198991211,0cyclictest0-21swapper/022:12:480
2219899120,11cyclictest0-21swapper/022:50:390
2219899120,11cyclictest0-21swapper/021:50:180
2219899120,11cyclictest0-21swapper/000:12:490
191172120,0sleep00-21swapper/023:25:370
2221599118,2cyclictest0-21swapper/321:15:253
22215991110,0cyclictest0-21swapper/322:48:153
2221599110,10cyclictest0-21swapper/321:28:153
2221599110,10cyclictest0-21swapper/319:35:153
2221599110,0cyclictest0-21swapper/323:58:353
22210991110,0cyclictest9279-21lspci21:57:182
22210991110,0cyclictest572-21lspci22:03:142
22210991110,0cyclictest4963-21lspci00:03:452
22203991110,0cyclictest0-21swapper/122:11:571
2219899119,1cyclictest27659-21lspci23:06:380
22198991110,0cyclictest0-21swapper/023:01:180
22198991110,0cyclictest0-21swapper/022:31:080
2219899110,1cyclictest29516-21sshd21:11:480
2219899110,10cyclictest600-21sshd00:27:390
2219899110,10cyclictest0-21swapper/000:08:290
2219899110,0cyclictest0-21swapper/022:00:180
76992100,0sleep17696-21lspci21:29:591
258092100,0sleep10-21swapper/100:05:561
2221599109,0cyclictest0-21swapper/323:27:353
2221599109,0cyclictest0-21swapper/320:59:553
2221599109,0cyclictest0-21swapper/300:30:063
2221599100,9cyclictest0-21swapper/321:36:553
2221599100,0cyclictest0-21swapper/323:52:253
2221599100,0cyclictest0-21swapper/323:08:253
2221599100,0cyclictest0-21swapper/321:44:253
2221599100,0cyclictest0-21swapper/319:25:153
2221599100,0cyclictest0-21swapper/300:13:263
2221099109,0cyclictest0-21swapper/223:30:392
2221099108,1cyclictest5753-21sshd22:20:382
2221099108,1cyclictest33-21ksoftirqd/222:30:122
2221099108,1cyclictest33-21ksoftirqd/221:35:122
2221099108,1cyclictest32238-21lspci00:06:392
2220399109,0cyclictest0-21swapper/123:50:161
2220399109,0cyclictest0-21swapper/121:15:451
2220399109,0cyclictest0-21swapper/120:35:151
2220399109,0cyclictest0-21swapper/100:38:261
2220399109,0cyclictest0-21swapper/100:11:161
2220399100,0cyclictest0-21swapper/123:23:061
2219899109,0cyclictest0-21swapper/023:57:590
2219899109,0cyclictest0-21swapper/022:15:480
2219899108,1cyclictest24332-21sshd00:23:190
222159998,0cyclictest0-21swapper/323:46:153
222159998,0cyclictest0-21swapper/323:04:153
222159998,0cyclictest0-21swapper/322:02:053
222159998,0cyclictest0-21swapper/320:23:553
222159990,8cyclictest0-21swapper/321:00:353
222109998,0cyclictest0-21swapper/223:44:292
222109997,1cyclictest33-21ksoftirqd/223:35:242
222109997,1cyclictest33-21ksoftirqd/222:40:162
222109997,1cyclictest33-21ksoftirqd/200:28:322
222109990,8cyclictest13625-21kworker/2:321:52:502
222039998,0cyclictest0-21swapper/123:56:261
222039998,0cyclictest0-21swapper/100:21:461
222039997,1cyclictest25-21ksoftirqd/123:10:001
222039996,2cyclictest649-21avahi-daemon23:03:121
221989998,0cyclictest0-21swapper/022:46:280
221989998,0cyclictest0-21swapper/022:39:580
221989998,0cyclictest0-21swapper/021:38:080
221989998,0cyclictest0-21swapper/021:05:180
221989998,0cyclictest0-21swapper/019:24:480
222159986,1cyclictest5514-21lspci22:17:163
222159986,1cyclictest41-21ksoftirqd/323:12:523
222159986,1cyclictest41-21ksoftirqd/321:56:563
222159986,1cyclictest41-21ksoftirqd/300:18:503
222159986,1cyclictest21332-21sshd22:59:203
222159986,1cyclictest17883-21lspci21:30:593
222159985,2cyclictest646-21dbus-daemon22:29:163
222159985,2cyclictest18834-21sshd22:32:143
222159985,2cyclictest13057-21sshd22:51:463
222159980,0cyclictest0-21swapper/319:49:353
222109987,0cyclictest21157-21lspci22:15:262
222109986,1cyclictest33-21ksoftirqd/200:13:362
222109984,3cyclictest684-21polkitd21:25:062
222039987,0cyclictest0-21swapper/121:22:251
222039987,0cyclictest0-21swapper/121:10:551
222039986,1cyclictest443-21systemd-journal20:20:001
222039986,1cyclictest25-21ksoftirqd/123:46:591
222039986,1cyclictest25-21ksoftirqd/100:00:201
222039986,1cyclictest22026-21sshd21:41:351
221989987,0cyclictest0-21swapper/023:17:590
221989986,1cyclictest22265-21bash22:55:580
221989985,2cyclictest700-21gdbus22:20:410
221989985,2cyclictest649-21avahi-daemon22:28:240
221989980,4cyclictest14750-21munin-run20:10:000
221989980,4cyclictest0-21swapper/021:00:000
18401280,1sleep00-21swapper/021:24:180
29711270,1sleep130148-21df23:30:121
222159976,0cyclictest0-21swapper/319:19:553
222159975,1cyclictest646-21dbus-daemon00:05:093
222159975,1cyclictest41-21ksoftirqd/322:20:193
222159974,2cyclictest649-21avahi-daemon23:40:313
222159974,2cyclictest646-21dbus-daemon00:26:093
222039976,0cyclictest0-21swapper/120:55:251
222039975,1cyclictest9169-21sshd22:21:031
222039975,1cyclictest27903-21lspci00:30:231
222039975,1cyclictest20119-21lspci22:55:451
222039972,2cyclictest649-21avahi-daemon21:39:071
221989976,1cyclictest3922-21lspci23:20:400
221989975,1cyclictest1-21systemd00:16:190
221989974,2cyclictest700-21gdbus21:58:090
221989974,2cyclictest648-21systemd-logind23:47:490
222159965,0cyclictest0-21swapper/319:11:353
222159964,1cyclictest646-21dbus-daemon21:07:483
222109964,1cyclictest684-21polkitd19:15:002
222109963,2cyclictest17299-21snmpd19:27:322
222109960,5cyclictest0-21swapper/219:51:282
222109960,5cyclictest0-21swapper/219:40:082
222039960,5cyclictest0-21swapper/119:16:451
221989963,2cyclictest649-21avahi-daemon00:30:310
221989960,5cyclictest0-21swapper/019:57:380
8638250,3sleep30-21swapper/319:55:003
222159953,1cyclictest6953-21grep19:50:113
222159953,1cyclictest31524-21cat19:30:143
222159953,1cyclictest29708-21cat20:45:163
222159953,1cyclictest28148-21proc_pri20:40:203
222159953,1cyclictest27372-21grep19:20:123
222159953,1cyclictest17299-21snmpd20:50:023
222159953,1cyclictest17299-21snmpd20:31:493
222159953,1cyclictest17299-21snmpd20:25:143
222159953,1cyclictest17299-21snmpd20:15:193
222159953,1cyclictest17299-21snmpd20:10:183
222159953,1cyclictest17299-21snmpd20:02:273
222159953,1cyclictest17299-21snmpd19:42:333
222159953,1cyclictest1017-21runrttasks20:35:233
222159952,2cyclictest14239-21taskset20:05:193
222109954,0cyclictest0-21swapper/220:45:282
222109953,1cyclictest682-21lsmd20:25:072
222109953,1cyclictest4814-21/usr/sbin/munin19:45:122
222109953,1cyclictest31739-21cat20:50:152
222109953,1cyclictest27459-21cat19:20:122
222109953,1cyclictest17299-21snmpd20:58:352
222109953,1cyclictest17299-21snmpd20:40:462
222109953,1cyclictest17299-21snmpd20:35:432
222109953,1cyclictest17299-21snmpd20:15:102
222109953,1cyclictest17299-21snmpd20:02:212
222109953,1cyclictest17299-21snmpd19:35:362
222109953,1cyclictest17299-21snmpd19:30:442
222109953,1cyclictest17299-21snmpd19:15:412
222109953,1cyclictest1049-21rpcbind19:56:002
222109953,1cyclictest0-21swapper/220:30:202
222109952,2cyclictest17299-21snmpd20:12:392
222109950,4cyclictest19052-21/usr/sbin/munin20:20:212
222109950,0cyclictest0-21swapper/220:05:082
222039954,0cyclictest0-21swapper/120:45:151
222039953,1cyclictest682-21lsmd20:05:361
222039953,1cyclictest5288-21mii-tool19:45:131
222039953,1cyclictest25-21ksoftirqd/121:05:001
222039953,1cyclictest22093-21kworker/1:220:30:171
222039953,1cyclictest21571-21cat20:25:151
222039953,1cyclictest17299-21snmpd20:50:471
222039953,1cyclictest17299-21snmpd20:42:521
222039953,1cyclictest17299-21snmpd20:22:101
222039953,1cyclictest17299-21snmpd19:59:481
222039953,1cyclictest17299-21snmpd19:50:031
222039953,1cyclictest17299-21snmpd19:30:111
222039953,1cyclictest17299-21snmpd19:25:141
222039952,2cyclictest646-21dbus-daemon19:25:001
222039952,2cyclictest2049-21unixbench_multi19:35:211
222039950,0cyclictest0-21swapper/119:40:451
221989953,1cyclictest7876-21find19:50:180
221989953,1cyclictest6207-21users19:45:190
221989953,1cyclictest31560-21cat19:30:140
221989953,1cyclictest30833-21sadc19:30:000
221989953,1cyclictest2965-21/usr/sbin/munin21:00:190
221989953,1cyclictest25150-21/usr/sbin/munin20:35:200
221989953,1cyclictest17299-21snmpd20:51:290
221989953,1cyclictest17299-21snmpd20:41:550
221989953,1cyclictest17299-21snmpd20:26:040
221989953,1cyclictest17299-21snmpd19:42:510
221989953,1cyclictest17299-21snmpd19:37:260
221989953,1cyclictest17299-21snmpd19:15:020
221989953,1cyclictest17299-21snmpd19:11:020
221989953,1cyclictest11404-21cat20:00:150
221989952,2cyclictest1109-21ntpd20:15:180
221989950,0cyclictest0-21swapper/020:30:080
222109942,1cyclictest3257-21gltestperf21:00:132
222039942,1cyclictest22577-21expr19:10:131
222039942,1cyclictest16313-21unixbench_multi20:10:231
222039942,1cyclictest10964-21cpuspeed_turbos20:00:131
221989942,1cyclictest19505-21cat20:20:150
221989942,1cyclictest15095-21grep20:10:150
221989941,2cyclictest17299-21snmpd20:45:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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