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2025-12-10 - 02:56
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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 highest latencies:
System rack1slot1.osadl.org (updated Wed Dec 10, 2025 00:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178792211159,26sleep20-21swapper/219:07:592
179682199160,26sleep30-21swapper/319:09:103
179662199162,24sleep10-21swapper/119:09:081
179602199159,26sleep00-21swapper/019:09:020
235322700,0sleep10-21swapper/119:20:011
46072630,0sleep20-21swapper/219:45:202
42712240,7sleep335-21ksoftirqd/323:15:203
18112991514,1cyclictest28-21ksoftirqd/219:20:132
219582110,0sleep10-21swapper/100:26:251
1811299119,2cyclictest28-21ksoftirqd/223:16:222
1811299119,1cyclictest28-21ksoftirqd/219:59:592
1811299119,1cyclictest28-21ksoftirqd/219:20:002
1811299119,1cyclictest28-21ksoftirqd/200:10:002
18112991111,0cyclictest0-21swapper/223:09:552
18112991110,1cyclictest28-21ksoftirqd/222:55:172
18112991110,1cyclictest28-21ksoftirqd/221:25:232
1811299110,11cyclictest0-21swapper/222:39:182
1811299110,11cyclictest0-21swapper/222:39:172
1810899110,10cyclictest0-21swapper/123:35:181
1812199109,1cyclictest35-21ksoftirqd/323:30:153
1811299109,1cyclictest28-21ksoftirqd/223:53:152
1811299109,1cyclictest28-21ksoftirqd/222:20:002
1811299109,1cyclictest28-21ksoftirqd/221:05:002
1811299109,1cyclictest28-21ksoftirqd/220:10:002
1811299108,1cyclictest28-21ksoftirqd/221:39:142
1811299108,1cyclictest28-21ksoftirqd/220:45:002
1811299108,1cyclictest28-21ksoftirqd/220:15:012
18112991010,0cyclictest0-21swapper/221:34:302
1810799100,5cyclictest32654-21date21:40:010
181219990,1cyclictest0-21swapper/300:08:073
181129999,0cyclictest28-21ksoftirqd/222:40:152
181129999,0cyclictest28-21ksoftirqd/222:00:312
181129999,0cyclictest28-21ksoftirqd/200:00:182
181129999,0cyclictest0-21swapper/221:12:502
181129998,1cyclictest28-21ksoftirqd/221:46:212
181129990,8cyclictest20489-21munin-node20:22:052
181129990,5cyclictest543-21cron00:29:002
181079992,6cyclictest557-21nscd22:17:510
26357280,0sleep00-21swapper/020:30:400
181219985,2cyclictest35-21ksoftirqd/300:36:413
181219982,1cyclictest24881-21switchtime00:30:213
181219982,1cyclictest10452-21ntp_states00:10:193
181219981,2cyclictest10593-21/usr/sbin/munin22:40:123
181219980,5cyclictest0-21swapper/323:22:013
181219980,1cyclictest254-21systemd-journal20:40:473
181129988,0cyclictest28-21ksoftirqd/222:50:212
181129988,0cyclictest28-21ksoftirqd/222:05:302
181129988,0cyclictest0-21swapper/200:40:002
181129987,1cyclictest28-21ksoftirqd/223:00:162
181129987,1cyclictest28-21ksoftirqd/221:50:142
181129987,1cyclictest28-21ksoftirqd/200:10:142
181129986,2cyclictest28-21ksoftirqd/221:07:582
181129986,2cyclictest28-21ksoftirqd/221:07:572
181129986,1cyclictest28-21ksoftirqd/221:55:162
181129986,1cyclictest28-21ksoftirqd/221:40:212
181129986,1cyclictest28-21ksoftirqd/221:15:142
181129986,1cyclictest28-21ksoftirqd/220:05:002
181129984,3cyclictest21502-21apt-get22:10:112
181129983,5cyclictest60950irq/123-eno123:48:122
181129983,2cyclictest254-21systemd-journal00:15:512
181129980,4cyclictest0-21swapper/220:45:142
181129980,1cyclictest31272-21aten2.4-expect23:55:152
181089980,4cyclictest0-21swapper/122:41:211
181089980,4cyclictest0-21swapper/121:25:211
181079986,1cyclictest30158-21sh00:40:000
181079983,1cyclictest0-21swapper/019:15:190
181079981,3cyclictest17795-21apt-get22:50:110
181079980,7cyclictest8132-21ssh00:07:200
181079980,7cyclictest715-21ssh23:56:130
181079980,7cyclictest6859-21ssh21:49:020
181079980,7cyclictest5305-21ssh00:04:340
181079980,7cyclictest5211-21ssh23:17:060
181079980,7cyclictest31050-21ssh23:08:260
181079980,7cyclictest29635-21ssh23:51:550
181079980,7cyclictest23937-21ssh21:25:470
181079980,7cyclictest23688-21ssh22:57:210
181079980,7cyclictest23525-21ssh23:44:460
181079980,7cyclictest2139-21ssh23:13:280
181079980,7cyclictest17519-21ssh21:18:410
181079980,7cyclictest14887-21ssh00:16:210
181079980,7cyclictest14184-21ssh21:14:340
181079980,7cyclictest13619-21ssh22:44:250
181079980,7cyclictest12852-21ssh23:29:120
181079980,7cyclictest10820-21diskmemload00:20:310
181079980,4cyclictest10820-21diskmemload00:14:010
181079980,2cyclictest16725-21ssh22:01:510
181079980,1cyclictest22032-21ssh00:26:380
30639270,0sleep10-21swapper/122:21:161
181219976,1cyclictest9863-21ntpq21:05:193
181219976,1cyclictest9863-21ntpq21:05:183
181219975,1cyclictest5065-21ssh00:03:493
181219975,1cyclictest31819-21ssh23:10:103
181219974,1cyclictest10820-21diskmemload00:17:583
181219973,2cyclictest254-21systemd-journal21:44:553
181219973,2cyclictest0-21swapper/322:50:333
181219972,3cyclictest16880-21/usr/sbin/munin23:35:183
181219972,2cyclictest254-21systemd-journal21:53:493
181219971,4cyclictest10820-21diskmemload21:20:133
181219971,3cyclictest12998-21chrt21:10:593
181219971,3cyclictest0-21swapper/323:55:023
181219971,3cyclictest0-21swapper/321:25:203
181219971,2cyclictest26262-21fschecks_count21:30:143
181219971,2cyclictest0-21swapper/321:56:073
181219971,1cyclictest0-21swapper/322:55:143
181219970,6cyclictest0-21swapper/321:47:573
181219970,3cyclictest30817-21apt-get19:35:133
181219970,1cyclictest17990-21/usr/sbin/munin22:05:143
181219970,1cyclictest17255-21ssh21:17:543
181129977,0cyclictest28-21ksoftirqd/223:20:212
181129977,0cyclictest0-21swapper/223:41:392
181129977,0cyclictest0-21swapper/221:24:362
181129976,1cyclictest60950irq/123-eno123:32:462
181129976,1cyclictest60950irq/123-eno100:31:262
181129976,1cyclictest60950irq/123-eno100:23:552
181129976,1cyclictest28-21ksoftirqd/223:25:152
181129976,1cyclictest28-21ksoftirqd/220:20:012
181129976,1cyclictest28-21ksoftirqd/219:30:002
181129976,0cyclictest60950irq/123-eno122:48:572
181129975,1cyclictest28-21ksoftirqd/219:15:012
181129972,4cyclictest10820-21diskmemload23:10:142
181129972,3cyclictest254-21systemd-journal20:26:012
181089976,1cyclictest0-21swapper/122:35:171
181089976,1cyclictest0-21swapper/122:35:161
181089971,4cyclictest0-21swapper/123:05:121
181089970,4cyclictest0-21swapper/123:21:121
181089970,3cyclictest0-21swapper/121:20:221
181079976,1cyclictest9-21ksoftirqd/022:40:000
181079976,1cyclictest9-21ksoftirqd/022:40:000
181079976,1cyclictest7438-21/usr/sbin/munin21:50:160
181079976,1cyclictest3492-21cstates19:45:140
181079975,1cyclictest9-21ksoftirqd/020:25:000
181079975,1cyclictest9-21ksoftirqd/020:20:010
181079973,2cyclictest254-21systemd-journal21:21:180
181079970,7cyclictest0-21swapper/020:14:070
181079970,7cyclictest0-21swapper/019:41:090
181079970,6cyclictest6527-21missed_timers19:50:170
181079970,6cyclictest26609-21df_inode19:25:140
181079970,6cyclictest25708-21aten_r1power_en21:30:120
181079970,6cyclictest2328-21ssh21:40:410
181079970,6cyclictest15185-21ssh23:30:250
181079970,6cyclictest10820-21diskmemload23:20:130
181079970,6cyclictest10820-21diskmemload22:45:500
181079970,6cyclictest10820-21diskmemload22:30:180
181079970,6cyclictest10820-21diskmemload22:25:150
181079970,6cyclictest0-21swapper/023:45:110
181079970,1cyclictest30485-21ssh22:20:450
181079970,1cyclictest23992-21fschecks_count00:30:150
181079970,1cyclictest19284-21ssh22:05:200
181079970,1cyclictest13284-21ssh21:57:100
181079970,1cyclictest10820-21diskmemload23:35:040
181079970,1cyclictest10820-21diskmemload22:10:200
181079970,1cyclictest0-21swapper/023:00:130
31075260,1sleep10-21swapper/123:55:091
181219965,1cyclictest35-21ksoftirqd/319:44:593
181219965,1cyclictest26739-21ssh23:00:473
181219965,1cyclictest25920-21ssh23:46:113
181219965,1cyclictest13451-21cat20:05:173
181219964,1cyclictest8588-21unixbench_singl22:35:263
181219964,1cyclictest8588-21unixbench_singl22:35:253
181219964,1cyclictest8511-21cut19:55:143
181219964,1cyclictest0-21swapper/322:10:113
181219963,2cyclictest10820-21diskmemload22:16:143
181219962,3cyclictest11099-21ntp_states23:25:183
181219962,2cyclictest29512-21chrt23:05:193
181219962,1cyclictest0-21swapper/322:20:113
181219962,0cyclictest20396-21/usr/sbin/munin23:40:233
181219961,1cyclictest5777-21cut19:50:133
181219960,6cyclictest29641-21ssh23:51:563
181219960,6cyclictest0-21swapper/320:48:333
181219960,5cyclictest14935-21apt-get20:10:143
181219960,2cyclictest14560-21/usr/sbin/munin22:00:133
181219960,2cyclictest0-21swapper/322:46:323
181219960,2cyclictest0-21swapper/319:15:003
181219960,1cyclictest4184-21hddtemp_smartct22:30:183
181219960,1cyclictest254-21systemd-journal19:32:003
181219960,1cyclictest0-21swapper/322:26:583
181219960,1cyclictest0-21swapper/321:35:093
181219960,1cyclictest0-21swapper/300:23:163
181129966,0cyclictest60950irq/123-eno122:30:082
181129966,0cyclictest60950irq/123-eno122:20:132
181129966,0cyclictest60950irq/123-eno119:53:362
181129966,0cyclictest60950irq/123-eno119:42:542
181129966,0cyclictest60950irq/123-eno119:35:142
181129966,0cyclictest28-21ksoftirqd/220:50:162
181129965,1cyclictest60950irq/123-eno120:30:172
181129965,1cyclictest28-21ksoftirqd/222:25:362
181129964,1cyclictest60950irq/123-eno119:30:142
181129964,1cyclictest554-21in:imuxsock21:00:002
181129964,1cyclictest28-21ksoftirqd/223:35:152
181129960,5cyclictest0-21swapper/220:35:102
181089962,2cyclictest0-21swapper/123:50:111
181089961,3cyclictest0-21swapper/122:15:211
181089961,3cyclictest0-21swapper/121:43:371
181089960,5cyclictest0-21swapper/121:50:151
181089960,4cyclictest0-21swapper/123:34:531
181089960,4cyclictest0-21swapper/100:08:121
181089960,2cyclictest0-21swapper/100:15:191
181089960,1cyclictest0-21swapper/122:50:281
181089960,1cyclictest0-21swapper/120:46:211
181079965,1cyclictest24642-21cat19:20:150
181079962,1cyclictest254-21systemd-journal20:06:170
181079961,3cyclictest10815-21cron21:10:010
181079961,3cyclictest10815-21cron21:10:000
181079960,6cyclictest0-21swapper/020:55:150
181079960,6cyclictest0-21swapper/020:51:590
181079960,6cyclictest0-21swapper/020:47:400
181079960,6cyclictest0-21swapper/019:11:170
181079960,4cyclictest0-21swapper/019:30:130
181079960,3cyclictest0-21swapper/020:25:140
181079960,1cyclictest8805-21/usr/sbin/munin19:55:160
181079960,0cyclictest0-21swapper/020:39:590
26269250,0sleep10-21swapper/119:25:131
181219952,1cyclictest254-21systemd-journal20:56:033
181219951,3cyclictest3130-21apt-get19:45:123
181219951,1cyclictest25233-21/usr/sbin/munin19:20:193
181219951,1cyclictest21077-21sensors_temp20:20:193
181219950,5cyclictest0-21swapper/320:30:193
181219950,4cyclictest0-21swapper/320:35:153
181219950,3cyclictest0-21swapper/321:00:153
181219950,3cyclictest0-21swapper/320:25:193
181219950,3cyclictest0-21swapper/300:25:213
181219950,2cyclictest22538-21ntp_states19:15:203
181219950,2cyclictest0-21swapper/320:15:163
181219950,1cyclictest0-21swapper/320:00:133
181089955,0cyclictest0-21swapper/123:10:351
181089955,0cyclictest0-21swapper/120:44:201
181089952,2cyclictest0-21swapper/121:45:121
181089952,2cyclictest0-21swapper/119:35:131
181089951,3cyclictest0-21swapper/121:35:141
181089951,2cyclictest0-21swapper/121:15:181
181089950,5cyclictest0-21swapper/120:51:411
181089950,5cyclictest0-21swapper/119:10:151
181089950,5cyclictest0-21swapper/100:20:171
181089950,4cyclictest0-21swapper/121:12:161
181089950,3cyclictest0-21swapper/123:27:051
181089950,3cyclictest0-21swapper/123:03:451
181089950,3cyclictest0-21swapper/122:10:221
181089950,3cyclictest0-21swapper/122:05:071
181089950,3cyclictest0-21swapper/120:20:481
181089950,3cyclictest0-21swapper/120:05:161
181089950,3cyclictest0-21swapper/100:30:291
181089950,2cyclictest0-21swapper/123:46:141
181089950,2cyclictest0-21swapper/123:17:491
181089950,2cyclictest0-21swapper/122:48:511
181089950,2cyclictest0-21swapper/121:57:461
181089950,2cyclictest0-21swapper/121:30:481
181089950,1cyclictest0-21swapper/122:25:061
181089950,1cyclictest0-21swapper/122:00:131
181089950,1cyclictest0-21swapper/120:00:161
181089950,1cyclictest0-21swapper/100:38:201
181089950,0cyclictest0-21swapper/122:31:021
181089950,0cyclictest0-21swapper/119:59:371
181089950,0cyclictest0-21swapper/119:44:401
181089950,0cyclictest0-21swapper/100:03:021
181079953,1cyclictest10217-21/usr/sbin/munin20:00:240
181079951,0cyclictest0-21swapper/021:00:130
181079950,5cyclictest0-21swapper/020:35:120
181079950,4cyclictest30964-21aten_r1power_vo19:35:140
181219943,1cyclictest2103-21cat20:50:163
181219940,1cyclictest254-21systemd-journal19:25:013
181089944,0cyclictest0-21swapper/120:30:561
181089944,0cyclictest0-21swapper/119:24:091
181089942,1cyclictest5928-21chrt20:58:041
181089941,2cyclictest0-21swapper/119:30:111
181089941,1cyclictest0-21swapper/121:00:181
181089940,3cyclictest0-21swapper/123:40:151
181089940,2cyclictest0-21swapper/100:10:121
181089940,1cyclictest0-21swapper/122:55:241
181089940,1cyclictest0-21swapper/120:35:111
181089940,1cyclictest0-21swapper/120:30:011
181089940,1cyclictest0-21swapper/120:15:191
181089940,0cyclictest0-21swapper/121:05:201
181089940,0cyclictest0-21swapper/121:05:201
181089940,0cyclictest0-21swapper/119:45:201
181089931,1cyclictest0-21swapper/119:50:111
181089930,2cyclictest0-21swapper/120:10:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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