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2026-09-02 - 02:16
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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 Sep 02, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118692219157,48sleep10-21swapper/119:08:501
118812208149,21sleep30-21swapper/319:09:003
118032200161,25sleep20-21swapper/219:07:592
118262198160,24sleep00-21swapper/019:08:160
245732780,0sleep10-21swapper/120:40:171
319952670,1sleep0101rcuc/021:45:200
12092991919,0cyclictest35-21ksoftirqd/300:00:173
12092991818,0cyclictest35-21ksoftirqd/322:09:253
12092991817,1cyclictest35-21ksoftirqd/322:40:193
12092991717,0cyclictest35-21ksoftirqd/323:25:573
12092991717,0cyclictest35-21ksoftirqd/300:05:143
12092991616,0cyclictest35-21ksoftirqd/322:50:583
12092991616,0cyclictest35-21ksoftirqd/322:31:483
12092991616,0cyclictest35-21ksoftirqd/321:49:243
12087991614,1cyclictest28-21ksoftirqd/200:15:072
106282160,0sleep10-21swapper/122:47:251
12092991515,0cyclictest35-21ksoftirqd/322:10:143
12092991515,0cyclictest35-21ksoftirqd/300:20:543
12092991513,1cyclictest35-21ksoftirqd/321:00:003
12087991515,0cyclictest28-21ksoftirqd/223:16:592
1209299147,6cyclictest35-21ksoftirqd/320:00:203
1209299145,6cyclictest35-21ksoftirqd/321:40:123
12092991414,0cyclictest35-21ksoftirqd/323:16:553
12092991414,0cyclictest35-21ksoftirqd/322:25:163
12092991414,0cyclictest35-21ksoftirqd/300:32:593
12092991413,1cyclictest35-21ksoftirqd/322:23:113
12092991413,1cyclictest35-21ksoftirqd/322:20:003
12092991412,1cyclictest35-21ksoftirqd/322:35:143
12092991410,3cyclictest35-21ksoftirqd/319:25:013
12092991410,3cyclictest35-21ksoftirqd/319:25:003
252472130,0sleep10-21swapper/119:35:131
12092991313,0cyclictest35-21ksoftirqd/322:55:193
12092991313,0cyclictest35-21ksoftirqd/300:25:523
12092991312,1cyclictest35-21ksoftirqd/323:40:203
12092991312,1cyclictest35-21ksoftirqd/321:25:103
12092991312,1cyclictest35-21ksoftirqd/300:35:193
12092991312,1cyclictest35-21ksoftirqd/300:18:563
12092991312,0cyclictest35-21ksoftirqd/322:05:013
12092991311,1cyclictest35-21ksoftirqd/323:14:593
12092991311,1cyclictest35-21ksoftirqd/321:55:003
12092991311,1cyclictest35-21ksoftirqd/321:25:013
12092991311,1cyclictest35-21ksoftirqd/321:20:013
12087991312,1cyclictest28-21ksoftirqd/221:35:152
12087991311,1cyclictest28-21ksoftirqd/222:45:002
1209299126,1cyclictest35-21ksoftirqd/320:35:183
12092991212,0cyclictest35-21ksoftirqd/321:55:153
12092991211,1cyclictest35-21ksoftirqd/320:19:593
12092991211,1cyclictest35-21ksoftirqd/319:50:003
12092991211,1cyclictest35-21ksoftirqd/300:10:133
12092991211,1cyclictest35-21ksoftirqd/300:00:003
12092991210,1cyclictest35-21ksoftirqd/323:35:183
12092991210,1cyclictest35-21ksoftirqd/323:00:183
12092991210,1cyclictest35-21ksoftirqd/320:15:003
12092991210,1cyclictest35-21ksoftirqd/319:15:013
12087991210,1cyclictest4396-21tr23:25:122
12087991210,1cyclictest28-21ksoftirqd/200:10:182
12087991210,1cyclictest28-21ksoftirqd/200:05:182
12087991210,1cyclictest18432-21grep23:00:002
1208799120,12cyclictest0-21swapper/223:00:102
269642110,0sleep20-21swapper/223:55:512
1209299119,1cyclictest35-21ksoftirqd/323:20:153
1209299119,1cyclictest35-21ksoftirqd/321:30:173
1209299119,1cyclictest35-21ksoftirqd/321:10:123
1209299119,1cyclictest35-21ksoftirqd/320:49:593
1209299119,1cyclictest35-21ksoftirqd/320:05:113
12092991111,0cyclictest35-21ksoftirqd/323:50:253
12092991111,0cyclictest35-21ksoftirqd/323:05:183
12092991111,0cyclictest35-21ksoftirqd/322:45:163
12092991110,1cyclictest35-21ksoftirqd/323:45:203
12092991110,1cyclictest35-21ksoftirqd/320:40:013
12092991110,1cyclictest35-21ksoftirqd/319:55:003
12092991110,1cyclictest35-21ksoftirqd/319:15:013
1208799119,1cyclictest28-21ksoftirqd/219:44:592
12087991110,1cyclictest28-21ksoftirqd/222:45:222
12087991110,1cyclictest28-21ksoftirqd/221:20:162
12087991110,1cyclictest28-21ksoftirqd/219:55:002
1206399112,4cyclictest27070-21sed21:40:000
1206399112,4cyclictest14404-21hddtemp_smartct19:15:000
1206399111,5cyclictest14966-21perf22:55:010
1209299109,1cyclictest35-21ksoftirqd/321:35:193
1209299109,1cyclictest35-21ksoftirqd/319:25:143
1209299109,0cyclictest35-21ksoftirqd/319:30:123
1209299108,1cyclictest35-21ksoftirqd/323:30:153
1209299108,1cyclictest35-21ksoftirqd/321:00:143
1209299108,1cyclictest35-21ksoftirqd/320:50:163
1209299108,1cyclictest35-21ksoftirqd/320:30:143
1209299108,1cyclictest35-21ksoftirqd/320:20:123
1209299108,1cyclictest35-21ksoftirqd/319:55:243
1209299108,1cyclictest35-21ksoftirqd/319:40:113
1209299108,1cyclictest35-21ksoftirqd/319:35:143
12092991010,0cyclictest35-21ksoftirqd/321:05:003
1208799109,1cyclictest28-21ksoftirqd/223:52:142
1208799109,1cyclictest28-21ksoftirqd/223:30:222
1208799109,1cyclictest28-21ksoftirqd/222:54:352
1208799109,1cyclictest28-21ksoftirqd/222:30:172
1208799109,1cyclictest28-21ksoftirqd/222:01:462
1208799109,1cyclictest28-21ksoftirqd/221:30:192
1208799109,1cyclictest28-21ksoftirqd/221:15:342
1208799109,1cyclictest28-21ksoftirqd/221:10:202
1208799109,1cyclictest28-21ksoftirqd/220:50:182
1208799109,1cyclictest28-21ksoftirqd/220:35:172
1208799109,1cyclictest28-21ksoftirqd/220:05:002
1208799109,1cyclictest28-21ksoftirqd/219:15:172
1208799109,1cyclictest28-21ksoftirqd/200:35:122
1208799109,0cyclictest28-21ksoftirqd/223:40:172
1208799108,1cyclictest28-21ksoftirqd/222:25:352
1208799108,1cyclictest28-21ksoftirqd/222:05:562
1208799108,1cyclictest28-21ksoftirqd/220:14:592
1208799108,1cyclictest28-21ksoftirqd/219:55:172
1208799108,1cyclictest28-21ksoftirqd/219:35:142
1208799108,1cyclictest28-21ksoftirqd/219:15:002
12087991010,0cyclictest28-21ksoftirqd/221:25:142
12087991010,0cyclictest28-21ksoftirqd/220:20:122
1206399102,4cyclictest16386-21perf21:25:010
1206399101,4cyclictest23149-21apt-get20:40:000
1206399100,7cyclictest25864-21apt-get23:10:120
120929990,8cyclictest341rcuc/320:25:123
120879999,0cyclictest28-21ksoftirqd/222:35:172
120879999,0cyclictest28-21ksoftirqd/222:15:232
120879999,0cyclictest28-21ksoftirqd/221:59:452
120879998,1cyclictest28-21ksoftirqd/223:20:132
120879998,1cyclictest28-21ksoftirqd/223:10:172
120879998,1cyclictest28-21ksoftirqd/222:10:152
120879998,1cyclictest28-21ksoftirqd/221:52:382
120879998,1cyclictest28-21ksoftirqd/220:05:002
120879998,1cyclictest28-21ksoftirqd/200:30:162
120879998,1cyclictest28-21ksoftirqd/200:27:462
120879998,1cyclictest28-21ksoftirqd/200:21:082
120879998,1cyclictest28-21ksoftirqd/200:00:122
120879997,1cyclictest28-21ksoftirqd/223:08:512
120879997,1cyclictest28-21ksoftirqd/220:55:212
120639994,4cyclictest28558-21/usr/sbin/munin20:50:160
120639992,4cyclictest507-21apt-get22:35:000
120639990,8cyclictest0-21swapper/000:20:170
120639990,4cyclictest26017-21perf22:25:000
120879988,0cyclictest28-21ksoftirqd/223:45:222
120879988,0cyclictest28-21ksoftirqd/223:35:122
120879988,0cyclictest28-21ksoftirqd/221:43:582
120879987,1cyclictest28-21ksoftirqd/221:05:132
120879987,1cyclictest28-21ksoftirqd/220:15:152
120879986,1cyclictest28-21ksoftirqd/222:20:212
120879986,1cyclictest28-21ksoftirqd/219:45:162
120879986,1cyclictest27877-21kworker/2:221:00:112
120879986,1cyclictest11301-21snmpd19:20:092
120879986,1cyclictest11301-21snmpd19:20:092
120879980,7cyclictest61650irq/122-eno121:45:162
120759988,0cyclictest21-21ksoftirqd/100:31:291
120759984,0cyclictest0-21swapper/120:10:471
120759980,7cyclictest0-21swapper/122:30:131
120759980,3cyclictest0-21swapper/123:16:591
120639986,1cyclictest9-21ksoftirqd/019:19:210
120639986,1cyclictest11301-21snmpd20:56:310
120639982,2cyclictest0-21swapper/023:30:230
120639980,7cyclictest5470-21ntp_offset20:00:180
120639980,5cyclictest19188-21grep23:00:110
120879976,1cyclictest28-21ksoftirqd/220:40:152
120879976,1cyclictest28-21ksoftirqd/220:25:162
120879976,1cyclictest28-21ksoftirqd/219:30:442
120879975,1cyclictest28-21ksoftirqd/220:45:122
120759977,0cyclictest21-21ksoftirqd/100:15:441
120759971,6cyclictest0-21swapper/122:10:591
120759970,7cyclictest0-21swapper/122:20:171
120759970,7cyclictest0-21swapper/119:29:011
120759970,7cyclictest0-21swapper/100:24:551
120759970,7cyclictest0-21swapper/100:04:291
120759970,2cyclictest0-21swapper/123:25:531
120759970,2cyclictest0-21swapper/121:54:391
120759970,2cyclictest0-21swapper/121:34:231
120759970,1cyclictest0-21swapper/123:47:051
120759970,1cyclictest0-21swapper/123:05:191
120759970,1cyclictest0-21swapper/121:59:061
120639976,1cyclictest21230-21ssh23:49:530
120639976,1cyclictest12044-21cyclictest23:40:150
120639975,1cyclictest5024-21cat23:25:150
120639975,1cyclictest25701-21cut23:55:130
120639975,1cyclictest11301-21snmpd22:40:450
120639975,1cyclictest11301-21snmpd21:04:090
120639975,1cyclictest11301-21snmpd20:16:040
120639975,1cyclictest11301-21snmpd19:54:190
120639974,2cyclictest17140-21aten_r1power_po00:30:130
120639974,2cyclictest14930-21ssh22:08:070
120639974,1cyclictest5551-21diskmemload21:40:510
120639973,2cyclictest5551-21diskmemload21:55:430
120639971,5cyclictest7091-21ssh00:15:150
120639970,6cyclictest5551-21diskmemload23:50:140
120639970,6cyclictest5551-21diskmemload22:55:470
120639970,6cyclictest29052-21df_inode00:00:140
120639970,6cyclictest19194-21grep19:20:190
120639970,6cyclictest19194-21grep19:20:190
120639970,6cyclictest0-21swapper/022:46:300
120639970,6cyclictest0-21swapper/022:26:400
120639970,6cyclictest0-21swapper/022:10:180
120639970,6cyclictest0-21swapper/021:50:120
120639970,5cyclictest9386-21apt-get21:15:150
120639970,5cyclictest0-21swapper/000:35:160
120639970,4cyclictest0-21swapper/023:17:200
120639970,3cyclictest1-21systemd19:25:180
120639970,1cyclictest7158-21ssh21:10:180
120639970,1cyclictest5551-21diskmemload23:36:180
120639970,1cyclictest25256-21cstates19:35:130
120639970,1cyclictest17789-21ntp_states21:25:160
120639970,1cyclictest10263-21sensors22:00:210
120639970,1cyclictest0-21swapper/021:30:210
120639970,1cyclictest0-21swapper/020:45:160
120639970,1cyclictest0-21swapper/020:20:120
120639970,1cyclictest0-21swapper/000:10:120
545260,0sleep10-21swapper/121:46:501
120879965,1cyclictest2288-21kworker/2:020:33:112
120879965,1cyclictest2288-21kworker/2:019:25:122
120759961,1cyclictest0-21swapper/123:50:121
120759960,6cyclictest0-21swapper/123:14:551
120759960,6cyclictest0-21swapper/122:43:541
120759960,6cyclictest0-21swapper/122:38:421
120759960,6cyclictest0-21swapper/120:30:171
120759960,6cyclictest0-21swapper/120:25:211
120759960,6cyclictest0-21swapper/120:15:551
120759960,6cyclictest0-21swapper/119:54:121
120759960,6cyclictest0-21swapper/119:43:581
120759960,5cyclictest0-21swapper/121:15:241
120759960,5cyclictest0-21swapper/119:57:311
120759960,5cyclictest0-21swapper/119:30:061
120759960,5cyclictest0-21swapper/100:25:181
120759960,3cyclictest0-21swapper/123:20:051
120759960,3cyclictest0-21swapper/121:12:081
120759960,3cyclictest0-21swapper/121:00:151
120759960,2cyclictest0-21swapper/123:40:331
120759960,2cyclictest0-21swapper/122:05:261
120759960,2cyclictest0-21swapper/100:00:001
120759960,1cyclictest0-21swapper/120:20:151
120759960,1cyclictest0-21swapper/119:20:201
120759960,1cyclictest0-21swapper/119:20:201
120759960,0cyclictest0-21swapper/121:20:111
120759960,0cyclictest0-21swapper/119:15:201
120639965,1cyclictest4100-21sendmail-msp20:00:000
120639963,1cyclictest5551-21diskmemload23:05:290
120639962,3cyclictest561-21nscd22:35:240
120639960,6cyclictest0-21swapper/020:06:530
120639960,5cyclictest5551-21diskmemload00:05:240
120639960,5cyclictest1524-21sh23:20:140
120639960,5cyclictest13546-21ssh00:25:100
120639960,2cyclictest0-21swapper/021:05:110
120639960,0cyclictest0-21swapper/022:15:190
120639960,0cyclictest0-21swapper/020:25:350
120639960,0cyclictest0-21swapper/020:11:560
120639960,0cyclictest0-21swapper/019:45:100
120639960,0cyclictest0-21swapper/019:40:110
120759954,1cyclictest21-21ksoftirqd/120:05:091
120759952,1cyclictest0-21swapper/100:10:341
120759952,0cyclictest0-21swapper/121:06:451
120759951,3cyclictest0-21swapper/120:00:151
120759951,2cyclictest0-21swapper/121:35:141
120759950,5cyclictest0-21swapper/122:19:351
120759950,5cyclictest0-21swapper/100:05:541
120759950,4cyclictest0-21swapper/100:35:121
120759950,3cyclictest0-21swapper/122:55:111
120759950,3cyclictest0-21swapper/122:25:201
120759950,3cyclictest0-21swapper/121:40:111
120759950,3cyclictest0-21swapper/121:25:081
120759950,2cyclictest0-21swapper/123:37:301
120759950,2cyclictest0-21swapper/122:50:061
120759950,1cyclictest0-21swapper/123:30:121
120759950,1cyclictest0-21swapper/123:01:061
120759950,1cyclictest0-21swapper/122:03:431
120759950,1cyclictest0-21swapper/120:35:111
120759950,1cyclictest0-21swapper/119:15:011
120639954,1cyclictest9-21ksoftirqd/019:30:120
120639950,5cyclictest0-21swapper/020:30:180
120639950,0cyclictest0-21swapper/020:40:140
120759941,3cyclictest0-21swapper/120:55:211
120759941,1cyclictest0-21swapper/119:45:111
120759941,0cyclictest0-21swapper/120:49:291
120759940,4cyclictest0-21swapper/120:54:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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