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2025-12-11 - 16:25
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack2slot7.osadl.org (updated Thu Dec 11, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97583499655,40cyclictest0-21swapper/011:08:170
97583699502,30cyclictest0-21swapper/208:38:402
97583499501,33cyclictest1039474-21sendmail-msp09:46:160
975834994943,5cyclictest975836-21cyclictest07:16:140
975834994714,4cyclictest0-21swapper/009:43:140
975834994533,9cyclictest1072359-21sendmail-msp10:36:360
97583699441,7cyclictest1137945-21ssh11:46:202
97583499423,35cyclictest0-21swapper/011:26:160
975835994026,4cyclictest11050irq/107-eth%d11:16:151
97583699395,11cyclictest171rcu_preempt09:51:202
97583699383,10cyclictest36-21ksoftirqd/212:13:162
97583499372,20cyclictest1165055-21ssh12:18:120
97583699362,12cyclictest1030041-21ld09:33:182
97583699351,6cyclictest1089531-21ssh10:46:182
97583599347,10cyclictest0-21swapper/109:46:161
975834993414,5cyclictest0-21swapper/009:56:160
97583599338,16cyclictest1015743-21diskmemload12:01:181
97583499332,30cyclictest1155141-21sh12:06:180
97583499331,18cyclictest171rcu_preempt11:56:160
97583599324,23cyclictest1177633-21ssh12:31:421
975834993227,3cyclictest1086802-21ld10:43:140
975834993222,7cyclictest1072359-21sendmail-msp10:27:070
97583599315,20cyclictest1094269-21ssh10:52:561
97583599313,7cyclictest1107772-21ntp_states11:08:171
975834993119,8cyclictest1023924-21sendmail-msp09:26:190
97583699303,8cyclictest1172319-21sh12:26:172
97583699301,4cyclictest1123266-21ssh11:28:152
97583699291,9cyclictest1064082-21sed10:16:162
97583699291,5cyclictest0-21swapper/212:32:402
97583499291,2cyclictest1047721-21unin-run09:56:150
97583699282,11cyclictest1121238-21sendmail-msp11:31:582
975836992816,1cyclictest171rcu_preempt11:03:142
97583599287,19cyclictest979139-21sendmail-msp07:28:471
975834992820,1cyclictest0-21swapper/010:18:100
975834992820,1cyclictest0-21swapper/010:18:100
975834992814,3cyclictest171rcu_preempt11:46:200
97583499281,26cyclictest0-21swapper/010:34:550
975834992811,4cyclictest211irq_work/012:01:180
97583599274,17cyclictest111788-21systemd-journal09:26:191
97583599273,11cyclictest1146345-21ssh11:56:481
975835992715,8cyclictest975960-21latency_hist07:16:151
97583499274,19cyclictest1058025-21ntp_states10:08:170
97583499274,15cyclictest111788-21systemd-journal08:53:140
97583499273,2cyclictest0-21swapper/012:38:090
975834992714,11cyclictest985722-21sendmail-msp07:48:140
975836992614,8cyclictest1053950-21open_files10:03:142
975836992612,7cyclictest762-21in:imuxsock09:14:572
97583599265,14cyclictest111788-21systemd-journal09:15:501
97583599264,16cyclictest1127640-21ssh11:33:181
97583599264,15cyclictest619-21mta-sts-daemon10:37:091
975834992618,5cyclictest1098624-21df_inode10:58:080
97583499260,0cyclictest0-21swapper/011:43:210
97583699259,3cyclictest171rcu_preempt11:53:252
97583699256,5cyclictest0-21swapper/210:21:182
97583699256,3cyclictest1017816-21ntpq09:18:132
97583699253,4cyclictest171rcu_preempt10:40:232
97583599259,10cyclictest1005-21mta-sts-daemon10:31:151
97583599252,17cyclictest1145888-21latency_hist11:56:161
97583499251,19cyclictest11050irq/107-eth%d10:48:070
97583699242,3cyclictest171rcu_preempt07:33:162
97583699242,3cyclictest171rcu_preempt07:33:162
97583699242,19cyclictest111788-21systemd-journal09:08:192
97583599243,18cyclictest1003809-21apt-get08:38:401
97583599242,15cyclictest1045642-21/usr/sbin/munin09:53:131
975835992410,9cyclictest111788-21systemd-journal10:56:381
112699240,3rtkit-daemon1125-21rtkit-daemon07:48:361
112699240,2rtkit-daemon1125-21rtkit-daemon09:25:271
97583699238,11cyclictest111788-21systemd-journal11:13:202
975836992317,3cyclictest0-21swapper/207:38:132
975836992310,10cyclictest351ktimers/211:06:192
97583599236,15cyclictest1072359-21sendmail-msp10:33:181
97583599234,7cyclictest0-21swapper/111:15:561
97583499236,11cyclictest967-21snmpd12:26:200
97583499233,14cyclictest1119379-21/usr/sbin/munin11:23:180
975834992317,4cyclictest0-21swapper/010:23:270
97583499231,5cyclictest1169037-21gltestperf12:23:090
975834992312,2cyclictest0-21swapper/012:43:140
975834992311,5cyclictest1088937-21sendmail-msp10:52:560
97583499231,11cyclictest259-21jbd2/mmcblk0p2-812:13:160
97583499230,4cyclictest1147490-21grep11:58:110
97583699222,5cyclictest0-21swapper/210:36:042
97583699222,15cyclictest1150681-21apt-get12:01:182
97583699221,8cyclictest1135639-21ssh11:43:222
97583699220,4cyclictest1118218-21/usr/sbin/munin11:23:132
97583599224,12cyclictest1172091-21sendmail-msp12:26:221
975835992211,6cyclictest0-21swapper/109:36:151
97583499224,13cyclictest1052964-21/usr/sbin/munin10:03:140
97583499222,19cyclictest1023902-21ls09:26:140
97583499222,15cyclictest1121238-21sendmail-msp11:33:160
97583499221,17cyclictest0-21swapper/009:08:130
97583499220,21cyclictest0-21swapper/012:33:100
97583499220,20cyclictest0-21swapper/011:38:490
97583699217,7cyclictest11050irq/107-eth%d12:10:402
97583699214,4cyclictest171rcu_preempt10:09:542
97583699214,14cyclictest1184723-21ld12:38:172
97583699211,0cyclictest0-21swapper/208:48:212
97583599214,12cyclictest764-21rs:main1
97583599213,17cyclictest1063407-21ssh10:15:131
97583499212,2cyclictest171rcu_preempt08:38:400
97583699207,1cyclictest1147444-21tune2fs11:58:112
97583699204,6cyclictest171rcu_preempt09:26:182
97583699204,3cyclictest1068117-21sort10:21:152
97583699204,3cyclictest1068117-21sort10:21:152
97583699202,3cyclictest0-21swapper/211:16:152
97583599203,12cyclictest1188886-21aten_r2power_fr12:43:071
975835992010,7cyclictest0-21swapper/108:53:141
975835992010,5cyclictest1154556-21sendmail-msp12:06:181
97583499204,13cyclictest1012111-21sendmail-msp09:12:260
97583499202,13cyclictest1061960-21needreboot10:13:140
975834992010,1cyclictest1035544-21cron09:41:150
97583699199,3cyclictest351ktimers/209:49:562
97583699197,10cyclictest998902-21sendmail-msp08:33:182
97583699196,11cyclictest1-21systemd07:16:142
97583699194,12cyclictest1037659-21ssh09:43:152
97583699194,11cyclictest1189309-21ssh12:43:092
97583699192,4cyclictest985818-21cat07:46:152
97583599194,6cyclictest619-21mta-sts-daemon10:43:141
97583599192,4cyclictest11050irq/107-eth%d09:43:191
97583599192,13cyclictest1030040-21gcc09:33:181
975835991910,2cyclictest0-21swapper/111:06:151
97583499192,13cyclictest979139-21sendmail-msp07:28:140
97583499192,10cyclictest1017089-21/usr/sbin/munin09:18:080
97583499191,17cyclictest0-21swapper/008:33:150
112699190,1rtkit-daemon0-21swapper/208:19:272
97583799183,6cyclictest0-21swapper/307:16:153
97583699187,1cyclictest0-21swapper/207:53:482
97583699186,9cyclictest1072359-21sendmail-msp10:26:342
97583699186,10cyclictest122792-21ntpd10:58:092
97583699181,14cyclictest1169773-21ssh12:23:172
97583599186,9cyclictest111788-21systemd-journal11:47:401
97583599185,11cyclictest111788-21systemd-journal12:11:451
97583599184,9cyclictest1184716-21ssh12:38:171
97583599184,6cyclictest1168590-21/usr/sbin/munin12:23:181
97583599183,8cyclictest1039474-21sendmail-msp09:56:161
97583599182,9cyclictest11050irq/107-eth%d11:30:261
975835991815,2cyclictest998902-21sendmail-msp08:33:161
97583499183,6cyclictest171rcu_preempt08:06:150
975834991811,5cyclictest1000528-21latency_hist08:31:150
97583499180,10cyclictest1105569-21sendmail-msp11:13:250
97583799173,7cyclictest0-21swapper/311:53:253
97583799172,7cyclictest0-21swapper/311:28:153
97583699172,11cyclictest1131398-21ld11:38:172
975836991712,3cyclictest1097135-21ssh10:55:532
97583699170,6cyclictest171rcu_preempt10:43:142
97583599173,7cyclictest1119031-21sh11:23:111
97583599172,10cyclictest984614-21fschecks_time07:43:081
975835991713,3cyclictest990030-21ntp_kernel_pll_07:58:141
97583599171,11cyclictest1064448-21ssh10:16:481
97583599171,11cyclictest1064448-21ssh10:16:481
97583499176,8cyclictest11650irq/162-mmc008:57:000
97583799165,5cyclictest0-21swapper/310:34:553
97583799164,8cyclictest0-21swapper/310:03:143
97583799163,7cyclictest0-21swapper/311:06:193
97583799163,6cyclictest0-21swapper/312:34:333
97583799162,7cyclictest0-21swapper/312:28:043
97583799162,6cyclictest0-21swapper/309:26:193
97583699164,8cyclictest0-21swapper/207:16:472
97583699163,11cyclictest1005541-21unin-run08:46:142
975836991612,3cyclictest1125-21rtkit-daemon10:00:142
975836991612,3cyclictest1012075-21sh09:06:152
97583599169,6cyclictest0-21swapper/110:21:181
97583599164,6cyclictest1090076-21ssh10:47:201
97583599164,4cyclictest111788-21systemd-journal08:48:291
97583599163,10cyclictest1017823-21ssh09:18:131
97583599160,12cyclictest1014022-21latency_hist09:11:161
975834991613,2cyclictest982228-21cat07:33:210
975834991613,2cyclictest982228-21cat07:33:210
97583799156,4cyclictest0-21swapper/311:46:193
97583799154,6cyclictest0-21swapper/310:08:173
97583799154,4cyclictest0-21swapper/309:08:193
97583799153,6cyclictest0-21swapper/309:46:163
97583699159,2cyclictest0-21swapper/208:53:062
97583699152,7cyclictest986762-21ntpq07:48:142
97583699152,4cyclictest1032621-21/usr/sbin/munin09:38:102
97583699151,1cyclictest171rcu_preempt08:03:132
97583699151,0cyclictest0-21swapper/208:11:152
97583599159,2cyclictest764-21rs:main1
97583599153,5cyclictest0-21swapper/112:18:151
97583599151,10cyclictest1131392-21ntpq11:38:171
97583499159,4cyclictest0-21swapper/011:03:190
97583499154,10cyclictest259-21jbd2/mmcblk0p2-809:35:410
97583499152,11cyclictest1006297-21if_wlan008:48:150
97583499151,8cyclictest984281-21/usr/sbin/munin07:43:130
97583799147,4cyclictest0-21swapper/310:26:213
97583799143,6cyclictest0-21swapper/309:53:133
97583799143,5cyclictest0-21swapper/312:23:183
97583799143,5cyclictest0-21swapper/310:38:143
97583799143,4cyclictest0-21swapper/311:38:143
97583699143,9cyclictest967-21snmpd08:13:182
97583699143,4cyclictest1022061-21ntpq09:23:142
975836991412,1cyclictest0-21swapper/208:28:092
975836991411,2cyclictest998812-21unixbench_singl08:23:182
97583599144,7cyclictest1011993-21/usr/sbin/munin09:03:181
97583499146,5cyclictest978672-21/usr/sbin/munin07:23:140
97583499142,2cyclictest1010666-21/usr/sbin/munin09:03:140
97583499141,7cyclictest1-21systemd08:23:110
97583499141,2cyclictest993759-21grep08:08:190
97583499141,2cyclictest987584-21/usr/sbin/munin07:53:200
97583799133,7cyclictest0-21swapper/307:48:143
97583799133,7cyclictest0-21swapper/307:28:203
97583799133,6cyclictest0-21swapper/312:38:173
97583799132,6cyclictest0-21swapper/308:38:403
97583799132,3cyclictest0-21swapper/308:13:093
97583799131,7cyclictest0-21swapper/310:53:153
97583799131,7cyclictest0-21swapper/310:12:433
97583799131,7cyclictest0-21swapper/309:36:153
97583699133,7cyclictest0-21swapper/208:58:212
97583699133,2cyclictest171rcu_preempt12:18:092
97583699131,10cyclictest633-21gpm07:58:142
975836991310,2cyclictest1005-21mta-sts-daemon07:23:172
97583599135,5cyclictest983176-21/usr/sbin/munin07:38:101
97583599133,5cyclictest1053791-21ssh10:03:121
97583599132,9cyclictest1135632-21ntp_states11:43:221
975835991310,2cyclictest992166-21grep08:03:191
97583499138,4cyclictest1004921-21ntp_kernel_pll_08:43:140
97583499137,1cyclictest0-21swapper/011:18:330
97583499131,6cyclictest992301-21sendmail-msp08:13:270
112699130,3rtkit-daemon1008-21mta-sts-daemon07:58:160
97583799125,4cyclictest0-21swapper/311:43:223
97583799124,5cyclictest0-21swapper/309:13:223
97583799124,4cyclictest0-21swapper/312:18:123
97583799123,5cyclictest0-21swapper/307:23:073
97583799123,4cyclictest0-21swapper/311:02:303
97583799122,8cyclictest0-21swapper/312:06:153
97583799122,7cyclictest0-21swapper/312:01:183
97583799122,6cyclictest0-21swapper/311:23:163
97583799122,6cyclictest0-21swapper/309:23:143
97583799122,5cyclictest0-21swapper/309:03:073
97583799121,6cyclictest0-21swapper/311:13:203
97583799120,7cyclictest0-21swapper/310:47:203
97583799120,6cyclictest0-21swapper/310:23:073
97583699122,9cyclictest979686-21tune2fs07:28:102
97583599127,4cyclictest0-21swapper/107:33:141
97583599127,4cyclictest0-21swapper/107:33:141
97583599123,5cyclictest1009591-21/usr/sbin/munin08:58:141
97583599121,8cyclictest976410-21tune2fs07:18:101
97583599120,8cyclictest994505-21fschecks_time08:13:171
97583599120,1cyclictest0-21swapper/108:18:071
97583499128,3cyclictest0-21swapper/008:18:080
97583499124,6cyclictest0-21swapper/007:18:080
97583499121,7cyclictest0-21swapper/007:38:080
97583799113,4cyclictest0-21swapper/307:33:123
97583799113,4cyclictest0-21swapper/307:33:123
97583799113,3cyclictest0-21swapper/308:03:103
97583799112,5cyclictest0-21swapper/310:43:113
97583799112,5cyclictest0-21swapper/309:18:073
97583799112,5cyclictest0-21swapper/308:53:153
97583799112,5cyclictest0-21swapper/308:28:143
97583799112,4cyclictest0-21swapper/307:38:073
97583799111,9cyclictest0-21swapper/310:56:383
97583799111,6cyclictest0-21swapper/311:33:163
97583599118,2cyclictest998875-21sendmail08:26:141
97583599117,3cyclictest1125-21rtkit-daemon08:08:061
97583599114,5cyclictest1004268-21/usr/sbin/munin08:43:091
97583599113,6cyclictest998902-21sendmail-msp08:28:071
97583599111,7cyclictest978164-21tail07:23:091
97583799104,2cyclictest0-21swapper/309:36:153
97583799103,4cyclictest0-21swapper/312:43:073
97583799103,4cyclictest0-21swapper/310:18:203
97583799103,4cyclictest0-21swapper/310:18:203
97583799102,7cyclictest0-21swapper/311:56:483
97583799102,5cyclictest0-21swapper/311:18:343
97583799102,4cyclictest0-21swapper/308:48:073
97583799101,6cyclictest0-21swapper/312:13:113
97583799101,5cyclictest0-21swapper/307:53:153
97583799100,6cyclictest0-21swapper/309:56:163
9758379992,4cyclictest0-21swapper/308:33:103
9758379991,5cyclictest0-21swapper/308:23:103
9758379991,5cyclictest0-21swapper/307:58:103
9758379991,4cyclictest0-21swapper/308:58:143
9758379991,4cyclictest0-21swapper/307:43:063
9758379990,4cyclictest0-21swapper/309:41:383
9758379982,5cyclictest0-21swapper/307:18:113
9758379980,4cyclictest0-21swapper/308:43:093
9758379972,4cyclictest0-21swapper/308:16:233
9758379972,3cyclictest0-21swapper/308:06:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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