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2025-12-10 - 04:37
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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 Wed Dec 10, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222782980,2sleep3970599cyclictest21:21:523
7242650,1sleep21011-21sshd00:14:502
291652650,0sleep10-21swapper/121:41:221
229062650,1sleep322871-21sshd21:53:213
192612590,0sleep00-21swapper/022:52:130
60062560,0sleep26003-21lspci21:14:102
126952560,0sleep10-21swapper/123:22:391
105972560,0sleep10-21swapper/100:02:191
307492550,0sleep3391rcuc/300:01:053
126992550,1sleep012684-21sshd23:25:380
8462530,0sleep20-21swapper/200:27:572
311532530,0sleep00-21swapper/000:27:420
206562530,0sleep20-21swapper/221:53:082
117712530,0sleep10-21swapper/121:52:151
45162520,0sleep30-21swapper/321:35:513
16392520,0sleep20-21swapper/222:35:092
273642510,0sleep10-21swapper/122:28:111
248732510,2sleep1970399cyclictest23:54:191
315422500,0sleep30-21swapper/322:41:123
312182500,0sleep00-21swapper/023:05:390
280832500,1sleep228085-21bash23:42:222
18182500,1sleep341-21ksoftirqd/321:32:303
81382460,1sleep1241ktimersoftd/123:46:331
130242360,0sleep20-21swapper/222:42:312
922122810,7sleep30-21swapper/319:05:233
926122614,7sleep20-21swapper/219:05:512
930422311,7sleep00-21swapper/019:06:250
934522210,7sleep10-21swapper/119:06:511
206192220,0sleep10-21swapper/121:28:041
206192220,0sleep10-21swapper/121:28:031
245782210,0sleep30-21swapper/300:10:263
276132200,1sleep01095-21nfsd00:04:060
188102190,0sleep00-21swapper/000:33:150
104952190,2sleep0970099cyclictest23:16:120
9700991817,0cyclictest26977-21kworker/0:200:11:500
9700991716,0cyclictest25647-21kworker/0:222:48:090
9700991716,0cyclictest22052-21kworker/0:022:01:500
9700991715,1cyclictest29260-21kworker/0:100:20:300
77072170,0sleep0111rcuc/021:14:210
215842170,2sleep1970399cyclictest00:30:121
206022170,0sleep10-21swapper/123:07:481
205712170,0sleep20-21swapper/223:26:242
9705991614,1cyclictest29622-21lspci22:09:463
9700991616,0cyclictest18012-21kworker/0:123:24:320
319552160,0sleep30-21swapper/321:57:213
25202160,0sleep30-21swapper/322:59:543
114212160,0sleep10-21swapper/122:42:211
9700991514,0cyclictest8550-21kworker/0:221:28:340
9700991514,0cyclictest8550-21kworker/0:221:28:340
9700991514,0cyclictest32123-21lspci22:16:100
9700991514,0cyclictest14956-21kworker/0:022:32:430
45452150,0sleep10-21swapper/122:47:471
970599141,1cyclictest0-21swapper/300:38:463
9700991414,0cyclictest394-21kworker/0:323:38:450
9700991412,1cyclictest9-21ksoftirqd/021:39:000
237552140,0sleep20-21swapper/200:07:062
237552140,0sleep20-21swapper/200:07:052
200892140,0sleep20-21swapper/222:18:122
970599130,1cyclictest14969-21sshd21:18:063
9704991312,0cyclictest17299-21snmpd21:36:462
9704991312,0cyclictest0-21swapper/222:10:092
9704991311,1cyclictest33-21ksoftirqd/221:35:002
970499130,1cyclictest27444-21bash23:36:102
970399130,1cyclictest4087-21sshd21:13:591
9700991313,0cyclictest394-21kworker/0:323:33:120
9700991313,0cyclictest24046-21kworker/0:221:47:280
9700991312,1cyclictest6200-21kworker/0:119:10:140
9700991312,1cyclictest6200-21kworker/0:119:10:140
9700991312,0cyclictest30507-21kworker/0:221:09:200
9700991312,0cyclictest14919-21lspci00:39:420
72652130,0sleep30-21swapper/322:32:313
307522130,0sleep30-21swapper/322:25:213
9705991210,1cyclictest19574-21tty23:17:053
9705991210,1cyclictest0-21swapper/323:10:053
970599120,1cyclictest9774-21sshd00:18:573
970599120,11cyclictest26696-21bash21:47:253
970499120,1cyclictest14064-21sshd23:34:592
970499120,11cyclictest0-21swapper/223:24:302
970499120,11cyclictest0-21swapper/222:51:492
970499120,11cyclictest0-21swapper/221:25:402
970499120,11cyclictest0-21swapper/221:25:392
970499120,0cyclictest11370-21bash22:45:202
9703991210,1cyclictest620-13audispd22:00:001
970399120,11cyclictest19730-21tty00:16:411
9700991211,0cyclictest7861-21lspci21:55:040
9700991211,0cyclictest24934-21lspci21:31:360
9700991211,0cyclictest10049-21kworker/0:123:54:010
9700991210,1cyclictest0-21swapper/022:39:100
279672120,0sleep20-21swapper/200:04:082
9705991110,0cyclictest0-21swapper/323:08:563
9705991110,0cyclictest0-21swapper/322:13:153
970599110,10cyclictest0-21swapper/319:10:063
970599110,10cyclictest0-21swapper/319:10:053
970499119,1cyclictest620-13audispd00:30:192
970499119,1cyclictest21142-21sshd00:23:192
9704991110,0cyclictest9071-21lspci23:55:502
9704991110,0cyclictest9071-21lspci23:55:492
9704991110,0cyclictest19261-21lspci22:05:302
9704991110,0cyclictest0-21swapper/223:00:002
9704991110,0cyclictest0-21swapper/219:40:192
970499110,10cyclictest0-21swapper/222:24:092
970399110,0cyclictest29505-21grepconf.sh22:31:311
9700991110,0cyclictest6200-21kworker/0:119:41:070
9700991110,0cyclictest0-21swapper/023:03:510
970099110,0cyclictest13350-21sshd21:43:010
970099110,0cyclictest0-21swapper/022:25:400
970099110,0cyclictest0-21swapper/000:15:010
305922110,0sleep00-21swapper/022:12:560
970599109,0cyclictest0-21swapper/322:51:253
970599109,0cyclictest0-21swapper/322:15:363
970599109,0cyclictest0-21swapper/321:29:163
970599109,0cyclictest0-21swapper/321:29:153
970499109,0cyclictest0-21swapper/222:25:192
970499109,0cyclictest0-21swapper/221:59:092
970499109,0cyclictest0-21swapper/221:43:502
970499109,0cyclictest0-21swapper/221:16:392
970499109,0cyclictest0-21swapper/221:07:102
970499100,0cyclictest0-21swapper/221:46:392
970399109,0cyclictest0-21swapper/121:09:501
970399108,1cyclictest11047-21lspci23:16:151
970399100,0cyclictest0-21swapper/121:37:491
970399100,0cyclictest0-21swapper/120:48:391
970099109,0cyclictest6200-21kworker/0:119:32:360
970099109,0cyclictest30507-21kworker/0:221:04:180
970099109,0cyclictest0-21swapper/021:21:110
970099108,1cyclictest9-21ksoftirqd/023:00:010
970099107,1cyclictest9-21ksoftirqd/021:52:140
9700991010,0cyclictest6200-21kworker/0:119:22:120
97059998,0cyclictest28217-21lspci00:07:353
97059998,0cyclictest28217-21lspci00:07:343
97059998,0cyclictest0-21swapper/322:46:053
97059998,0cyclictest0-21swapper/319:45:163
97059995,1cyclictest41-21ksoftirqd/321:40:043
97049998,0cyclictest20070-21lspci22:02:312
97049997,1cyclictest33-21ksoftirqd/222:32:032
97039998,0cyclictest0-21swapper/122:50:201
97009999,0cyclictest6200-21kworker/0:119:25:510
97009999,0cyclictest30507-21kworker/0:220:48:320
97009999,0cyclictest30507-21kworker/0:220:35:000
97009998,0cyclictest6200-21kworker/0:119:16:510
97009998,0cyclictest0-21swapper/021:18:100
97009997,1cyclictest9-21ksoftirqd/023:56:190
97009997,1cyclictest9-21ksoftirqd/023:56:180
97009997,1cyclictest9-21ksoftirqd/022:40:020
97009997,1cyclictest9-21ksoftirqd/022:08:310
97009997,1cyclictest9-21ksoftirqd/000:09:350
97009997,1cyclictest9-21ksoftirqd/000:09:340
97009996,1cyclictest9-21ksoftirqd/022:20:030
97009995,3cyclictest18012-21kworker/0:123:11:190
97009990,0cyclictest0-21swapper/020:22:400
19421290,0sleep2311rcuc/221:21:362
97059987,0cyclictest0-21swapper/323:04:153
97059987,0cyclictest0-21swapper/322:38:253
97059987,0cyclictest0-21swapper/322:21:253
97059986,1cyclictest700-21gdbus23:35:463
97059986,1cyclictest4783-21lspci22:04:123
97059986,1cyclictest16043-21lspci00:22:473
97059986,1cyclictest15680-21sshd23:25:553
97059985,2cyclictest649-21avahi-daemon23:21:513
97059984,3cyclictest22886-21sshd23:44:593
97059980,7cyclictest0-21swapper/320:24:453
97049986,1cyclictest33-21ksoftirqd/223:46:052
97049986,1cyclictest33-21ksoftirqd/223:11:132
97049986,1cyclictest33-21ksoftirqd/223:05:502
97049985,2cyclictest33-21ksoftirqd/223:50:092
97049982,1cyclictest32624-21sed23:15:152
97049980,0cyclictest0-21swapper/200:18:022
97039987,0cyclictest0-21swapper/100:14:201
97039986,1cyclictest30262-21lspci23:27:191
97039986,1cyclictest27302-21lspci21:22:241
97039985,2cyclictest700-21gdbus23:59:511
97039985,2cyclictest700-21gdbus23:59:501
97039985,2cyclictest649-21avahi-daemon22:05:031
97039985,2cyclictest649-21avahi-daemon00:36:591
97039985,2cyclictest649-21avahi-daemon00:24:101
97039983,2cyclictest646-21dbus-daemon22:22:211
97039980,7cyclictest12260-21sshd21:30:191
97009988,0cyclictest6200-21kworker/0:119:53:250
97009988,0cyclictest6200-21kworker/0:119:39:420
97009988,0cyclictest30507-21kworker/0:220:58:570
97009988,0cyclictest30507-21kworker/0:220:41:370
97009988,0cyclictest30507-21kworker/0:220:15:470
97009988,0cyclictest30507-21kworker/0:220:03:280
97009986,1cyclictest9-21ksoftirqd/023:48:260
97009985,2cyclictest649-21avahi-daemon23:40:070
97059976,0cyclictest32113-21lspci23:33:383
97059975,1cyclictest684-21polkitd21:13:023
97059975,1cyclictest646-21dbus-daemon23:46:303
97059975,1cyclictest13343-21lspci23:50:093
97059974,2cyclictest648-21systemd-logind00:27:063
97059974,2cyclictest3732-21sshd23:55:203
97059974,2cyclictest3732-21sshd23:55:193
97059974,2cyclictest28643-21cp00:30:503
97059970,6cyclictest0-21swapper/319:38:163
97049976,0cyclictest0-21swapper/219:15:192
97049974,1cyclictest6202-21sshd23:00:132
97049970,6cyclictest0-21swapper/219:55:492
97049970,1cyclictest700-21gdbus00:35:512
97039976,0cyclictest0-21swapper/119:55:191
97039975,1cyclictest6942-21sshd22:01:121
97039975,1cyclictest32746-21lspci23:02:451
97039975,1cyclictest32443-21sshd22:35:001
97039975,1cyclictest17726-21lspci00:06:261
97039975,1cyclictest17726-21lspci00:06:251
97039975,1cyclictest12727-21lspci22:17:281
97039975,1cyclictest10269-21lspci21:45:471
97039974,2cyclictest700-21gdbus22:13:501
97039974,2cyclictest700-21gdbus21:16:211
97039974,2cyclictest648-21systemd-logind23:41:441
97039974,2cyclictest6454-21sshd23:37:161
97039974,2cyclictest2431-21sshd23:12:171
97039974,2cyclictest22997-21sshd00:26:471
97039973,3cyclictest649-21avahi-daemon22:56:461
97009977,0cyclictest6200-21kworker/0:119:58:260
97009977,0cyclictest6200-21kworker/0:119:48:020
97009977,0cyclictest30507-21kworker/0:220:53:440
97009977,0cyclictest30507-21kworker/0:220:09:010
8583270,1sleep28855-21diskstats20:25:152
15226270,0sleep10-21swapper/123:31:591
97059965,0cyclictest0-21swapper/320:53:363
97059965,0cyclictest0-21swapper/320:44:463
97059965,0cyclictest0-21swapper/319:52:163
97059964,1cyclictest700-21gdbus21:07:133
97059964,1cyclictest646-21dbus-daemon20:20:003
97059963,2cyclictest17299-21snmpd21:01:213
97059960,5cyclictest0-21swapper/319:31:153
97049964,1cyclictest33-21ksoftirqd/220:39:592
97049960,5cyclictest0-21swapper/220:53:202
97049960,5cyclictest0-21swapper/220:20:292
97049960,0cyclictest0-21swapper/219:29:502
97039963,2cyclictest17299-21snmpd20:02:351
97059953,1cyclictest895-21cat20:05:153
97059953,1cyclictest30523-21dump-pmu-power19:59:593
97059953,1cyclictest2982-21cat20:10:173
97059953,1cyclictest23083-21cat19:40:123
97059953,1cyclictest17299-21snmpd20:55:423
97059953,1cyclictest17299-21snmpd20:45:083
97059953,1cyclictest17299-21snmpd20:31:323
97059953,1cyclictest17299-21snmpd19:26:093
97059953,1cyclictest17299-21snmpd19:21:043
97059952,2cyclictest9824-21timerwakeupswit20:25:223
97059952,2cyclictest31692-21awk20:00:203
97059950,4cyclictest13184-21uname20:35:133
97059950,1cyclictest12017-21grep19:15:003
97049954,0cyclictest0-21swapper/220:41:102
97049953,1cyclictest894-21cat20:05:152
97049953,1cyclictest25235-21latency19:45:152
97049953,1cyclictest21269-21cat20:55:162
97049953,1cyclictest20599-21/usr/sbin/munin19:35:202
97049953,1cyclictest19057-21cat19:30:132
97049953,1cyclictest17299-21snmpd20:46:292
97049953,1cyclictest17299-21snmpd20:30:292
97049953,1cyclictest17299-21snmpd20:11:492
97049953,1cyclictest17299-21snmpd20:00:562
97049953,1cyclictest17299-21snmpd19:10:102
97049953,1cyclictest17299-21snmpd19:10:092
97049953,1cyclictest15838-21awk19:20:192
97049952,2cyclictest646-21dbus-daemon20:20:002
97049951,1cyclictest23249-21cat21:00:142
97039953,1cyclictest23104-21mii-tool19:40:121
97039953,1cyclictest19242-21cat20:50:161
97039953,1cyclictest17476-21proc_pri19:25:181
97039953,1cyclictest17299-21snmpd21:00:511
97039953,1cyclictest17299-21snmpd20:55:041
97039953,1cyclictest17299-21snmpd20:41:271
97039953,1cyclictest17299-21snmpd20:30:211
97039953,1cyclictest17299-21snmpd20:25:091
97039953,1cyclictest17299-21snmpd20:20:011
97039953,1cyclictest17299-21snmpd20:18:231
97039953,1cyclictest17299-21snmpd20:10:191
97039953,1cyclictest17299-21snmpd20:05:431
97039953,1cyclictest17299-21snmpd19:53:141
97039953,1cyclictest17299-21snmpd19:48:011
97039953,1cyclictest17299-21snmpd19:39:351
97039953,1cyclictest17299-21snmpd19:23:451
97039953,1cyclictest17299-21snmpd19:16:001
97039953,1cyclictest17299-21snmpd19:10:191
97039953,1cyclictest17299-21snmpd19:10:181
97039953,1cyclictest11851-21munin-node20:35:101
97009953,1cyclictest9890-21grep20:25:220
97009953,1cyclictest17299-21snmpd20:32:150
97009953,1cyclictest1058-21sendmail20:10:350
97049942,1cyclictest26695-21/usr/sbin/munin19:50:122
97039942,1cyclictest17299-21snmpd19:30:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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