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2025-12-04 - 22:17
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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 rackeslot2.osadl.org (updated Thu Dec 04, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112523721000,2sleep30-21swapper/309:40:013
10670412340,2sleep11067046-21idleruntime-cro09:05:001
923783993315,13cyclictest1635-21dbus-daemon10:00:000
92378399274,12cyclictest1269681-21ptp4l-jitter11:00:210
923783992717,6cyclictest1242550-21kthreadcore10:45:170
923783992712,11cyclictest1652-1atopacctd09:45:230
92378399269,12cyclictest0-21swapper/009:25:160
923783992614,11cyclictest1398392-21kthreadcore12:15:160
923783992513,11cyclictest0-21swapper/012:35:010
923783992415,8cyclictest260-21systemd-journal12:29:550
923783992415,8cyclictest1389211-21kthreadcore12:10:170
92378399241,2cyclictest0-21swapper/009:54:130
92378399241,16cyclictest1018087-21/usr/sbin/munin08:25:200
92378399241,12cyclictest0-21swapper/010:28:300
92378399240,5cyclictest999451-21taskset08:08:460
92378399240,5cyclictest1438188-21ssh12:39:320
92378399240,5cyclictest1280201-21taskset11:07:400
92378399240,5cyclictest1236229-21taskset10:41:310
92378399240,5cyclictest1098260-21taskset09:23:520
923785992320,1cyclictest0-21swapper/207:30:022
92378399237,9cyclictest0-21swapper/009:30:100
92378399231,6cyclictest1339424-21ssh11:40:210
92378399231,4cyclictest1166280-21taskset10:01:190
92378399231,4cyclictest1166280-21taskset10:01:190
923783992314,5cyclictest1369687-21gltestperf12:00:130
923783992313,6cyclictest1172496-21kthreadcore10:05:190
92378399231,14cyclictest0-21swapper/011:55:490
92378399230,7cyclictest1322907-21taskset11:31:250
92378399230,5cyclictest1288883-21taskset11:12:330
92378399230,5cyclictest1255900-21ssh10:55:050
92378399230,5cyclictest1060622-21seq08:56:260
92378399230,4cyclictest974408-21taskset07:46:380
92378399230,4cyclictest956228-21taskset07:33:120
92378399230,4cyclictest937985-21taskset07:18:490
92378399230,4cyclictest1192558-21ssh10:16:100
92378399230,4cyclictest1066690-21taskset09:01:000
923785992220,1cyclictest0-21swapper/209:50:012
923785992219,1cyclictest0-21swapper/212:40:002
923784992219,2cyclictest938096-21latency_hist07:20:001
923784992215,3cyclictest1230137-21aten_repower_po10:40:111
92378399226,10cyclictest0-21swapper/010:20:180
92378399224,3cyclictest1358142-21taskset11:52:050
92378399221,5cyclictest2025-21snmpd08:48:480
92378399221,5cyclictest2009-21runrttasks10:37:210
923783992212,6cyclictest1214408-21kthreadcore10:30:150
92378399221,16cyclictest0-21swapper/012:08:060
92378399221,13cyclictest0-21swapper/011:22:130
92378399221,13cyclictest0-21swapper/009:12:580
92378399221,12cyclictest0-21swapper/011:49:030
92378399220,4cyclictest999856-21taskset08:10:020
92378399220,4cyclictest980513-21taskset07:51:550
92378399220,4cyclictest1184025-21sh10:11:330
92378399220,4cyclictest1072911-21taskset09:07:450
92378399220,4cyclictest1042369-21taskset08:44:490
92378399220,4cyclictest1029877-21taskset08:34:150
923785992117,2cyclictest0-21swapper/210:35:002
923784992114,3cyclictest1281569-21cron11:10:001
92378399215,2cyclictest0-21swapper/009:16:050
92378399213,6cyclictest1247387-21aten2.4-expect10:50:090
92378399211,15cyclictest0-21swapper/012:21:410
92378399211,12cyclictest0-21swapper/011:36:230
92378399211,11cyclictest0-21swapper/009:44:430
923785992017,1cyclictest0-21swapper/211:40:212
923784992017,2cyclictest1090340-21cron09:20:001
923783992011,8cyclictest984133-21kthreadcore07:55:170
923783992011,8cyclictest1119643-21kthreadcore09:35:200
923783992011,8cyclictest1008763-21kthreadcore08:15:180
923783992010,9cyclictest1309294-21irqrtprio11:25:150
923783992010,9cyclictest1031791-21irqrtprio08:35:140
923785991916,1cyclictest0-21swapper/212:20:012
923785991916,1cyclictest0-21swapper/210:10:002
923784991916,2cyclictest929776-21latency_hist07:15:021
923784991916,2cyclictest1635-21dbus-daemon08:35:001
923784991916,2cyclictest1629-21avahi-daemon12:25:011
923784991916,2cyclictest1142516-21latency_hist09:50:011
923784991916,2cyclictest0-21swapper/112:35:011
923784991915,3cyclictest969228-21cut07:45:091
92378499190,4cyclictest0-21swapper/111:10:091
92378399199,9cyclictest965611-21kthreadcore07:40:190
92378399199,9cyclictest942514-21kthreadcore07:20:190
92378399199,9cyclictest1294554-21kthreadcore11:15:200
92378399196,5cyclictest987467-21apt-get08:00:070
92378399191,13cyclictest0-21swapper/007:10:220
302487291191,2phc2sys0-21swapper/311:35:173
302487291190,3phc2sys0-21swapper/309:57:333
10205912190,3sleep30-21swapper/308:25:153
923785991815,1cyclictest0-21swapper/212:35:012
923785991815,1cyclictest0-21swapper/210:55:002
923784991815,2cyclictest1-21systemd10:10:011
923784991814,3cyclictest1354438-21kthreadcore11:50:161
92378399188,9cyclictest1014755-21kthreadcore08:20:170
923783991810,7cyclictest957477-21idleruntime07:35:130
302487291180,2phc2sys0-21swapper/310:36:303
92378599177,7cyclictest12566602sleep210:55:162
923785991715,1cyclictest0-21swapper/212:10:012
923785991714,1cyclictest0-21swapper/211:05:002
923785991714,1cyclictest0-21swapper/210:40:012
923785991714,1cyclictest0-21swapper/209:15:012
923785991714,1cyclictest0-21swapper/208:45:002
923785991714,1cyclictest0-21swapper/207:15:012
923785991713,2cyclictest0-21swapper/209:26:372
923784991714,2cyclictest993479-21apt-key08:05:011
923784991714,2cyclictest957268-21fschecks_count07:35:121
923784991714,2cyclictest1258171-21kthreadcore10:55:191
923784991714,2cyclictest1151514-21acpi09:55:091
923784991714,2cyclictest1054808-21wc08:55:001
923784991714,2cyclictest1011733-21munin-plugin-st08:20:011
923784991713,3cyclictest1360586-21cpuspeed_turbos11:55:101
923784991713,3cyclictest1337082-21kthreadcore11:40:171
923784991712,1cyclictest170550irq/121-eno112:05:171
92378399175,11cyclictest948577-21tr07:25:180
92378399171,3cyclictest1049091-21telnet08:50:100
302487291171,4phc2sys0-21swapper/307:05:103
302487291170,3phc2sys0-21swapper/308:40:183
302487291170,2phc2sys0-21swapper/310:51:053
923785991614,1cyclictest0-21swapper/212:23:452
923785991613,1cyclictest0-21swapper/212:15:002
923785991613,1cyclictest0-21swapper/212:00:002
923785991613,1cyclictest0-21swapper/209:55:022
923785991613,1cyclictest0-21swapper/209:15:162
923785991613,1cyclictest0-21swapper/209:02:042
923785991613,1cyclictest0-21swapper/208:05:162
923785991613,1cyclictest0-21swapper/207:55:002
92378499169,3cyclictest1073094-21diskmemload11:05:011
92378499167,4cyclictest0-21swapper/111:20:201
92378499166,6cyclictest0-21swapper/108:20:091
923784991613,2cyclictest260-21systemd-journal12:20:011
923784991613,2cyclictest1048524-21apt-key08:50:001
923784991610,2cyclictest170550irq/121-eno110:25:181
92378499160,5cyclictest0-21swapper/107:40:241
302487291160,2phc2sys0-21swapper/311:59:203
10011912160,2sleep20-21swapper/208:10:152
923785991513,1cyclictest0-21swapper/210:43:032
923785991513,1cyclictest0-21swapper/210:00:002
923785991513,1cyclictest0-21swapper/209:45:022
923785991513,1cyclictest0-21swapper/207:10:012
923785991512,2cyclictest0-21swapper/207:30:162
923785991512,1cyclictest0-21swapper/211:38:512
923785991512,1cyclictest0-21swapper/211:30:102
923785991512,1cyclictest0-21swapper/211:20:152
923785991512,1cyclictest0-21swapper/210:50:012
923785991512,1cyclictest0-21swapper/210:20:192
923785991512,1cyclictest0-21swapper/209:30:132
923785991512,1cyclictest0-21swapper/208:56:522
923785991512,1cyclictest0-21swapper/208:35:122
923785991512,1cyclictest0-21swapper/208:24:492
923785991512,1cyclictest0-21swapper/208:05:022
923785991512,1cyclictest0-21swapper/207:50:002
923785991511,2cyclictest0-21swapper/209:25:012
92378499158,2cyclictest1220810-21latency_hist10:35:011
92378499157,3cyclictest0-21swapper/111:30:001
92378499155,2cyclictest501rcuop/208:25:151
92378499153,5cyclictest0-21swapper/109:35:111
923784991512,2cyclictest995486-21kthreadcore08:05:171
923784991512,2cyclictest984268-21kthreadcore07:55:161
923784991512,2cyclictest981035-21sh07:55:001
923784991512,2cyclictest949713-21timerandwakeup07:25:231
923784991512,2cyclictest923781-21cyclictest09:20:161
923784991512,2cyclictest1700-21systemd-logind10:15:011
923784991512,2cyclictest1343710-21gltestperf11:45:141
923784991512,2cyclictest1195390-21aten_repower_po10:20:121
923784991512,2cyclictest1099480-21tail09:25:111
923784991510,4cyclictest1652-1atopacctd10:00:141
923784991510,4cyclictest1652-1atopacctd10:00:141
92378499150,4cyclictest0-21swapper/111:30:511
92378499150,12cyclictest1438638-21ssh12:40:011
92378399154,3cyclictest923976-21date07:10:020
302487291151,2phc2sys0-21swapper/312:25:183
302487291150,4phc2sys0-21swapper/310:10:243
302487291150,3phc2sys0-21swapper/309:54:203
302487291150,2phc2sys0-21swapper/311:27:183
302487291150,2phc2sys0-21swapper/311:21:573
302487291150,2phc2sys0-21swapper/309:46:283
92378599141,6cyclictest0-21swapper/211:10:012
923785991412,1cyclictest0-21swapper/207:15:172
923785991411,1cyclictest0-21swapper/211:50:112
923785991411,1cyclictest0-21swapper/211:25:232
923785991411,1cyclictest0-21swapper/210:00:112
923785991411,1cyclictest0-21swapper/210:00:112
923785991411,1cyclictest0-21swapper/208:50:212
923785991411,1cyclictest0-21swapper/208:45:172
923785991411,1cyclictest0-21swapper/207:55:132
92378499147,3cyclictest1072236-21ps09:05:271
92378499143,6cyclictest831492-21kworker/u16:3+rpciod10:17:041
923784991412,1cyclictest938448-21apt07:20:111
923784991412,1cyclictest923781-21cyclictest12:27:311
923784991412,1cyclictest8351-21rtkit-daemon08:40:361
923784991411,2cyclictest923781-21cyclictest12:10:141
923784991411,2cyclictest923756-21/usr/sbin/munin07:10:001
923784991411,2cyclictest1661-21polkitd10:55:011
923784991411,2cyclictest1325717-21cpuspeed11:35:111
923784991411,2cyclictest1291828-21irqcore11:15:171
923784991411,2cyclictest1225330-21kthreadcore10:35:191
923784991411,2cyclictest1144138-21irqrtprio09:50:161
923784991410,3cyclictest1629-21avahi-daemon09:45:011
923784991410,3cyclictest1369584-21fschecks_count12:00:131
923784991410,3cyclictest1004678-21phc2sys-jitter08:10:191
302487291141,4phc2sys0-21swapper/311:50:083
302487291140,3phc2sys0-21swapper/310:02:573
302487291140,3phc2sys0-21swapper/310:02:573
302487291140,3phc2sys0-21swapper/309:16:523
302487291140,3phc2sys0-21swapper/309:14:463
302487291140,2phc2sys0-21swapper/310:25:173
302487291140,2phc2sys0-21swapper/307:55:233
92378599131,6cyclictest0-21swapper/210:20:012
92378599131,5cyclictest0-21swapper/209:40:012
923785991311,1cyclictest0-21swapper/212:30:022
923785991311,1cyclictest0-21swapper/211:45:122
923785991311,1cyclictest0-21swapper/208:25:142
923785991310,1cyclictest0-21swapper/210:10:122
923785991310,1cyclictest0-21swapper/208:20:002
923785991310,1cyclictest0-21swapper/207:45:002
923785991310,1cyclictest0-21swapper/207:35:142
92378499139,3cyclictest1243074-21kthreadcore10:45:171
92378499134,8cyclictest1073448-1ssh09:10:051
923784991310,2cyclictest951665-21irqcore07:30:141
923784991310,2cyclictest1057941-21grep08:55:281
923784991310,2cyclictest1030583-21aten2.4-expect08:35:091
302487291130,4phc2sys0-21swapper/310:20:113
302487291130,3phc2sys0-21swapper/310:30:093
302487291130,3phc2sys0-21swapper/309:21:323
302487291130,2phc2sys0-21swapper/311:45:573
302487291130,2phc2sys0-21swapper/311:02:473
302487291130,2phc2sys0-21swapper/310:17:163
92378599128,2cyclictest0-21swapper/211:15:162
92378599121,6cyclictest0-21swapper/207:20:112
923785991210,1cyclictest0-21swapper/212:00:182
923785991210,1cyclictest0-21swapper/211:10:172
923785991210,1cyclictest0-21swapper/210:25:172
923785991210,1cyclictest0-21swapper/209:10:012
92378499129,2cyclictest0-21swapper/109:30:131
302487291122,3phc2sys0-21swapper/311:41:103
302487291122,2phc2sys0-21swapper/312:34:443
302487291122,2phc2sys0-21swapper/308:05:013
302487291121,3phc2sys0-21swapper/312:10:113
302487291120,3phc2sys0-21swapper/309:25:123
302487291120,2phc2sys0-21swapper/311:17:063
302487291120,2phc2sys0-21swapper/311:11:143
302487291120,2phc2sys0-21swapper/310:07:023
302487291120,2phc2sys0-21swapper/308:49:173
302487291120,2phc2sys0-21swapper/308:23:403
302487291120,2phc2sys0-21swapper/307:15:523
11334992120,2sleep30-21swapper/309:44:433
92378599119,1cyclictest0-21swapper/208:30:112
302487291111,3phc2sys0-21swapper/311:08:353
302487291110,3phc2sys0-21swapper/312:00:143
302487291110,3phc2sys0-21swapper/310:46:363
302487291110,2phc2sys0-21swapper/312:05:113
302487291110,2phc2sys0-21swapper/311:30:123
302487291110,2phc2sys0-21swapper/308:58:273
302487291101,3phc2sys0-21swapper/308:05:133
302487291101,2phc2sys0-21swapper/312:15:083
302487291101,2phc2sys0-21swapper/307:35:123
302487291100,4phc2sys0-21swapper/308:10:093
302487291100,4phc2sys0-21swapper/307:50:093
302487291100,2phc2sys0-21swapper/312:37:053
302487291100,2phc2sys0-21swapper/312:22:183
302487291100,2phc2sys0-21swapper/310:58:263
302487291100,2phc2sys0-21swapper/310:40:553
302487291100,2phc2sys0-21swapper/309:30:173
302487291100,2phc2sys0-21swapper/308:35:103
302487291100,2phc2sys0-21swapper/307:40:173
302487291100,2phc2sys0-21swapper/307:25:103
30248729191,2phc2sys0-21swapper/308:50:213
30248729191,2phc2sys0-21swapper/307:30:233
30248729190,4phc2sys0-21swapper/308:30:093
30248729190,3phc2sys0-21swapper/309:05:283
30248729190,3phc2sys0-21swapper/307:50:013
30248729190,2phc2sys0-21swapper/309:00:113
30248729190,2phc2sys0-21swapper/308:15:073
30248729190,2phc2sys0-21swapper/307:20:173
30248729190,2phc2sys0-21swapper/307:11:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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