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2026-03-10 - 20:21
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Tue Mar 10, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
177932204153,25sleep30-21swapper/307:05:023
198102201162,26sleep20-21swapper/207:08:422
197192201165,23sleep00-21swapper/007:07:320
198762200161,26sleep10-21swapper/107:09:341
20022991816,1cyclictest35-21ksoftirqd/311:40:203
20022991716,1cyclictest35-21ksoftirqd/311:05:003
20022991716,1cyclictest35-21ksoftirqd/310:15:123
20022991716,1cyclictest35-21ksoftirqd/309:25:203
20022991715,1cyclictest35-21ksoftirqd/310:45:183
20022991616,0cyclictest35-21ksoftirqd/309:10:133
20022991615,1cyclictest35-21ksoftirqd/307:45:153
20022991515,0cyclictest35-21ksoftirqd/310:20:133
20022991515,0cyclictest35-21ksoftirqd/307:15:123
20022991514,1cyclictest35-21ksoftirqd/312:10:163
20022991514,1cyclictest35-21ksoftirqd/307:25:153
20022991414,0cyclictest35-21ksoftirqd/310:36:193
20022991414,0cyclictest35-21ksoftirqd/309:23:293
20022991413,1cyclictest35-21ksoftirqd/309:58:343
20022991413,1cyclictest35-21ksoftirqd/308:55:003
20022991413,1cyclictest35-21ksoftirqd/307:24:593
20022991413,0cyclictest35-21ksoftirqd/310:30:123
2000799140,0cyclictest0-21swapper/009:25:110
20022991313,0cyclictest35-21ksoftirqd/307:10:143
20022991312,0cyclictest35-21ksoftirqd/312:40:003
20022991311,1cyclictest35-21ksoftirqd/312:19:593
20022991311,1cyclictest35-21ksoftirqd/309:40:003
20022991311,1cyclictest35-21ksoftirqd/309:34:593
20013991311,1cyclictest28-21ksoftirqd/211:45:012
2000999130,12cyclictest0-21swapper/107:15:161
2002299123,6cyclictest35-21ksoftirqd/310:10:003
20022991212,0cyclictest35-21ksoftirqd/310:15:003
20022991212,0cyclictest35-21ksoftirqd/309:05:013
20022991211,1cyclictest35-21ksoftirqd/308:10:003
20022991211,1cyclictest35-21ksoftirqd/307:44:593
20022991210,1cyclictest35-21ksoftirqd/312:35:003
20022991210,1cyclictest35-21ksoftirqd/311:30:143
20022991210,1cyclictest35-21ksoftirqd/309:20:003
20013991211,1cyclictest28-21ksoftirqd/211:30:142
20013991211,1cyclictest28-21ksoftirqd/209:30:132
20013991211,0cyclictest28-21ksoftirqd/212:16:152
20013991210,1cyclictest28-21ksoftirqd/212:35:012
2000799120,1cyclictest22673-21cat07:15:000
2002299119,1cyclictest35-21ksoftirqd/312:25:133
2002299119,1cyclictest35-21ksoftirqd/312:09:593
2002299119,1cyclictest35-21ksoftirqd/311:40:013
2002299119,1cyclictest35-21ksoftirqd/310:25:123
2002299119,1cyclictest35-21ksoftirqd/310:00:223
2002299119,1cyclictest35-21ksoftirqd/309:00:013
2002299119,1cyclictest35-21ksoftirqd/308:00:003
2002299113,4cyclictest35-21ksoftirqd/309:51:293
2002299112,8cyclictest35-21ksoftirqd/310:40:123
20022991111,0cyclictest35-21ksoftirqd/311:06:303
20022991111,0cyclictest35-21ksoftirqd/310:50:263
20022991111,0cyclictest35-21ksoftirqd/310:50:263
20022991111,0cyclictest35-21ksoftirqd/308:35:003
20022991110,1cyclictest35-21ksoftirqd/312:04:053
20022991110,1cyclictest35-21ksoftirqd/312:00:013
20022991110,1cyclictest35-21ksoftirqd/311:15:113
20022991110,1cyclictest35-21ksoftirqd/310:55:153
20022991110,1cyclictest35-21ksoftirqd/309:45:093
20022991110,1cyclictest35-21ksoftirqd/308:15:013
20022991110,1cyclictest35-21ksoftirqd/307:40:003
20022991110,0cyclictest35-21ksoftirqd/311:30:003
2001399119,1cyclictest28-21ksoftirqd/210:05:132
20013991110,1cyclictest28-21ksoftirqd/211:35:172
20013991110,1cyclictest28-21ksoftirqd/211:15:112
2002299109,1cyclictest35-21ksoftirqd/312:20:103
2002299109,1cyclictest35-21ksoftirqd/308:15:123
2002299109,1cyclictest35-21ksoftirqd/308:00:153
2002299109,1cyclictest35-21ksoftirqd/307:30:133
2002299108,1cyclictest35-21ksoftirqd/311:50:113
2002299108,1cyclictest35-21ksoftirqd/311:45:143
2002299108,1cyclictest35-21ksoftirqd/311:20:213
2002299108,1cyclictest35-21ksoftirqd/311:10:143
2002299108,1cyclictest35-21ksoftirqd/309:40:153
2002299108,1cyclictest35-21ksoftirqd/308:20:123
2002299108,1cyclictest35-21ksoftirqd/307:50:143
2002299107,1cyclictest35-21ksoftirqd/308:35:003
20022991010,0cyclictest35-21ksoftirqd/308:45:003
20022991010,0cyclictest35-21ksoftirqd/308:25:133
2001399109,1cyclictest28-21ksoftirqd/211:48:112
2001399109,1cyclictest28-21ksoftirqd/211:10:142
2001399109,1cyclictest28-21ksoftirqd/210:35:162
2001399109,1cyclictest28-21ksoftirqd/209:45:102
2001399109,1cyclictest28-21ksoftirqd/209:10:172
2001399109,1cyclictest28-21ksoftirqd/207:30:142
2001399108,1cyclictest28-21ksoftirqd/207:10:142
2001399104,3cyclictest28-21ksoftirqd/211:00:212
20013991010,0cyclictest28-21ksoftirqd/209:19:392
200229998,1cyclictest35-21ksoftirqd/309:10:013
200229997,1cyclictest35-21ksoftirqd/308:45:123
200139999,0cyclictest0-21swapper/207:40:192
200139998,1cyclictest28-21ksoftirqd/210:50:012
200139997,1cyclictest28-21ksoftirqd/210:00:142
200139997,1cyclictest28-21ksoftirqd/209:50:152
200099990,5cyclictest0-21swapper/111:33:031
200079996,2cyclictest29077-21sh09:30:030
200079993,5cyclictest22876-21sed10:45:000
200079991,4cyclictest4787-21date07:45:010
200079991,4cyclictest12634-21diskmemload11:30:000
200079990,4cyclictest6179-21cut11:05:010
200079990,4cyclictest2438-21cut07:39:590
200139987,1cyclictest28-21ksoftirqd/212:20:132
200139987,1cyclictest28-21ksoftirqd/212:14:252
200139987,1cyclictest28-21ksoftirqd/212:06:472
200139987,1cyclictest28-21ksoftirqd/212:00:132
200139987,1cyclictest28-21ksoftirqd/211:25:132
200139987,1cyclictest28-21ksoftirqd/211:21:242
200139987,1cyclictest28-21ksoftirqd/209:20:102
200139987,1cyclictest28-21ksoftirqd/208:25:142
200139986,1cyclictest707-21snmpd08:09:152
200139986,1cyclictest28-21ksoftirqd/212:35:122
200139986,1cyclictest28-21ksoftirqd/210:55:202
200139986,1cyclictest28-21ksoftirqd/210:30:142
200139986,1cyclictest28-21ksoftirqd/209:55:132
200139986,1cyclictest28-21ksoftirqd/209:00:132
200139986,1cyclictest28-21ksoftirqd/208:14:552
200139980,7cyclictest22350-21munin-node07:15:062
200099980,5cyclictest0-21swapper/109:30:121
200079987,1cyclictest9-21ksoftirqd/011:25:000
200079987,1cyclictest31808-21apt-key10:14:590
200079986,1cyclictest707-21snmpd08:50:590
200079984,3cyclictest12634-21diskmemload09:55:220
200079982,1cyclictest12634-21diskmemload12:07:270
200079981,6cyclictest16198-21ssh11:15:560
200079981,3cyclictest0-21swapper/009:50:100
200079980,7cyclictest8893-21ntpq12:30:170
200079980,7cyclictest6455-21ssh12:27:340
200079980,7cyclictest3043-21ssh09:36:430
200079980,7cyclictest22621-21grep09:20:200
200079980,7cyclictest15753-21ssh09:13:200
200079980,6cyclictest28461-21/usr/sbin/munin12:15:170
200079980,2cyclictest0-21swapper/007:50:100
200139976,1cyclictest61650irq/122-eno112:25:382
200139976,1cyclictest61650irq/122-eno111:56:072
200139976,1cyclictest28-21ksoftirqd/210:50:462
200139976,1cyclictest28-21ksoftirqd/210:50:462
200139976,1cyclictest28-21ksoftirqd/210:40:112
200139976,1cyclictest28-21ksoftirqd/210:20:142
200139976,1cyclictest28-21ksoftirqd/210:11:182
200139976,1cyclictest28-21ksoftirqd/209:40:132
200139976,1cyclictest28-21ksoftirqd/209:35:342
200139976,1cyclictest28-21ksoftirqd/208:39:592
200139976,1cyclictest13003-21kworker/2:110:15:102
200139976,1cyclictest13003-21kworker/2:107:35:222
200139975,1cyclictest707-21snmpd08:18:572
200139975,1cyclictest61650irq/122-eno111:50:122
200139975,1cyclictest61650irq/122-eno110:25:152
200139975,1cyclictest6147-21sshd07:45:182
200139975,1cyclictest28-21ksoftirqd/209:25:132
200139975,1cyclictest28-21ksoftirqd/209:05:122
200139975,1cyclictest28-21ksoftirqd/208:40:112
200139975,1cyclictest28-21ksoftirqd/207:25:142
200139975,1cyclictest13003-21kworker/2:107:55:182
200139971,6cyclictest0-21swapper/207:20:592
200139970,3cyclictest0-21swapper/211:05:102
200139970,1cyclictest0-21swapper/208:58:462
200099971,6cyclictest0-21swapper/110:06:561
200099971,3cyclictest0-21swapper/108:15:141
200099970,6cyclictest0-21swapper/108:40:151
200099970,1cyclictest0-21swapper/110:29:251
200079976,1cyclictest707-21snmpd12:00:100
200079976,1cyclictest30257-1kworker/u9:011:12:400
200079975,1cyclictest9034-21cat09:00:130
200079975,1cyclictest8757-21ntp_states10:25:180
200079975,1cyclictest707-21snmpd09:49:510
200079975,1cyclictest1747-21ntpd07:55:580
200079975,1cyclictest0-21swapper/011:45:210
200079973,1cyclictest7618-21ntp_states11:05:180
200079971,3cyclictest12634-21diskmemload11:33:420
200079970,6cyclictest936-21ssh12:20:160
200079970,6cyclictest5373-21grep09:40:150
200079970,6cyclictest4982-21apt07:45:120
200079970,6cyclictest27640-21ls08:30:170
200079970,6cyclictest26145-21ssh10:05:360
200079970,6cyclictest23163-21ssh10:45:140
200079970,6cyclictest19690-21expr08:15:120
200079970,6cyclictest13426-21diskstats11:55:110
200079970,6cyclictest12634-21diskmemload12:35:450
200079970,6cyclictest0-21swapper/011:40:120
200079970,6cyclictest0-21swapper/011:35:040
200079970,6cyclictest0-21swapper/010:15:190
200079970,6cyclictest0-21swapper/009:05:580
200079970,6cyclictest0-21swapper/008:20:200
200079970,4cyclictest32480-21date07:34:590
200079970,4cyclictest0-21swapper/010:57:110
200079970,4cyclictest0-21swapper/007:20:110
200079970,3cyclictest12634-21diskmemload09:15:560
200079970,1cyclictest22681-21ssh10:01:440
200079970,1cyclictest11945-21df_inode10:30:120
200079970,1cyclictest10331-21ssh11:50:190
200079970,1cyclictest0-21swapper/012:10:140
200079970,1cyclictest0-21swapper/010:50:510
200079970,1cyclictest0-21swapper/010:50:500
200079970,1cyclictest0-21swapper/010:35:150
200139966,0cyclictest61650irq/122-eno108:01:182
200139966,0cyclictest61650irq/122-eno107:54:172
200139965,1cyclictest28-21ksoftirqd/208:30:132
200139964,1cyclictest707-21snmpd08:48:142
200139964,1cyclictest28-21ksoftirqd/208:50:132
200139960,5cyclictest0-21swapper/208:24:372
200099966,0cyclictest0-21swapper/110:13:581
200099965,1cyclictest0-21swapper/109:55:271
200099961,5cyclictest0-21swapper/111:46:431
200099961,5cyclictest0-21swapper/108:47:051
200099961,4cyclictest0-21swapper/110:15:101
200099961,3cyclictest11153-21chrt12:34:421
200099960,6cyclictest260382sleep108:28:181
200099960,6cyclictest0-21swapper/112:09:071
200099960,6cyclictest0-21swapper/112:02:441
200099960,6cyclictest0-21swapper/111:35:161
200099960,6cyclictest0-21swapper/110:51:131
200099960,6cyclictest0-21swapper/110:51:131
200099960,6cyclictest0-21swapper/109:26:091
200099960,6cyclictest0-21swapper/108:50:171
200099960,6cyclictest0-21swapper/107:36:481
200099960,5cyclictest0-21swapper/112:20:141
200099960,5cyclictest0-21swapper/110:00:151
200099960,5cyclictest0-21swapper/109:05:171
200099960,5cyclictest0-21swapper/108:38:161
200099960,5cyclictest0-21swapper/107:54:541
200099960,4cyclictest0-21swapper/111:06:401
200099960,3cyclictest0-21swapper/111:40:101
200099960,3cyclictest0-21swapper/109:20:051
200099960,1cyclictest0-21swapper/110:20:311
200099960,1cyclictest0-21swapper/108:30:101
200099960,0cyclictest0-21swapper/110:45:311
200079964,1cyclictest29055-21strings07:25:170
200079961,2cyclictest13957-21unixbench_singl08:00:210
200079960,6cyclictest3627-21ssh10:20:010
200079960,6cyclictest0-21swapper/008:45:140
200079960,6cyclictest0-21swapper/008:42:200
200079960,6cyclictest0-21swapper/008:11:050
200079960,5cyclictest0-21swapper/007:15:180
200079960,0cyclictest0-21swapper/008:05:160
4230250,0sleep10-21swapper/112:25:131
200099955,0cyclictest0-21swapper/109:11:581
200099955,0cyclictest0-21swapper/107:59:491
200099955,0cyclictest0-21swapper/107:30:571
200099951,4cyclictest0-21swapper/112:11:471
200099950,5cyclictest0-21swapper/112:17:411
200099950,5cyclictest0-21swapper/110:55:511
200099950,5cyclictest0-21swapper/110:42:111
200099950,5cyclictest0-21swapper/109:50:551
200099950,5cyclictest0-21swapper/109:45:221
200099950,5cyclictest0-21swapper/107:22:251
200099950,4cyclictest0-21swapper/109:15:121
200099950,3cyclictest0-21swapper/111:00:141
200099950,3cyclictest0-21swapper/109:00:111
200099950,3cyclictest0-21swapper/108:10:131
200099950,1cyclictest0-21swapper/109:35:111
200099950,0cyclictest0-21swapper/111:27:011
200079950,5cyclictest0-21swapper/008:37:170
200079950,4cyclictest0-21swapper/008:25:130
5479240,0sleep10-21swapper/109:40:161
200099944,0cyclictest0-21swapper/108:55:291
200099941,2cyclictest0-21swapper/108:20:111
200099941,0cyclictest0-21swapper/107:10:131
200099940,3cyclictest0-21swapper/111:50:141
200099940,3cyclictest0-21swapper/107:45:121
200099940,2cyclictest0-21swapper/111:55:101
200099940,2cyclictest0-21swapper/111:22:111
200099940,2cyclictest0-21swapper/110:35:111
200099940,2cyclictest0-21swapper/110:30:481
200099940,1cyclictest0-21swapper/112:35:111
200079940,0cyclictest0-21swapper/008:55:130
16061240,0sleep10-21swapper/111:15:371
11758240,0sleep10-21swapper/111:10:201
200099931,1cyclictest0-21swapper/108:05:111
200099931,1cyclictest0-21swapper/107:25:111
200099930,2cyclictest0-21swapper/107:40:121
200099930,1cyclictest0-21swapper/108:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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