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2025-08-27 - 06:06
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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 rackbslot1.osadl.org (updated Tue Aug 26, 2025 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40437072217189,18sleep00-21swapper/007:08:230
40437202212183,19sleep30-21swapper/307:08:343
40436622207166,32sleep20-21swapper/207:07:482
40436382200151,40sleep10-21swapper/107:07:311
4044071995955,3cyclictest517-21kworker/u8:3+events_unbound10:00:002
4044063995651,3cyclictest4178685-31munin-html09:15:340
4044071995551,3cyclictest68493-21kworker/u8:4+events_unbound10:45:012
4044071995551,3cyclictest68493-21kworker/u8:4+events_unbound10:45:002
4044067995448,4cyclictest115399-21/usr/share/muni11:25:091
4044067995248,3cyclictest47265-21kworker/u8:3+events_unbound10:17:031
4044067995248,2cyclictest166569-21kworker/u8:1+events_unbound12:15:301
4044071995146,4cyclictest4097225-21/usr/share/muni08:00:032
4044071995046,2cyclictest93777-31munin-html11:00:352
4044067995038,10cyclictest4051602-21kworker/u8:0+events_unbound08:30:301
4044063995047,2cyclictest4179352-21kworker/u8:1+events_unbound10:10:100
4044071994942,2cyclictest74567-21kworker/u8:1+flush-179:010:50:062
4044073994832,14cyclictest4011812-1kworker/3:1H+kblockd08:05:043
4044067994844,3cyclictest84112-21kworker/u8:2+flush-179:011:20:341
4044067994844,3cyclictest4117104-21kworker/u8:3+events_unbound08:20:331
4044067994844,3cyclictest4051602-21kworker/u8:0+events_unbound07:55:141
4044071994743,3cyclictest4051602-21kworker/u8:0+events_unbound07:40:102
4044071994743,3cyclictest4043896-21kworker/u8:1+events_unbound07:10:102
4044063994742,3cyclictest47265-21kworker/u8:3+events_unbound10:40:130
4044063994742,3cyclictest47265-21kworker/u8:3+events_unbound10:40:130
4044067994643,2cyclictest4065122-21kworker/u8:2+flush-179:007:45:161
4044063994640,5cyclictest47265-21kworker/u8:3+events_unbound10:20:000
4044071994542,2cyclictest84032-21kworker/u8:0+events_unbound11:05:102
4044071994538,2cyclictest4132597-21kworker/u8:2+events_unbound08:45:292
4044071994533,11cyclictest4158843-21kworker/2:2+pm09:00:042
4044063994541,3cyclictest4142345-31munin-html08:40:340
4044073994440,3cyclictest4007164-21kworker/u8:4+flush-179:007:15:313
4044071994441,2cyclictest99775-21kworker/u8:3+flush-179:011:30:062
4044071994441,2cyclictest99775-21kworker/u8:3+events_unbound11:40:182
4044071994441,2cyclictest4051602-21kworker/u8:0+events_unbound08:20:062
4044071994440,3cyclictest4179352-21kworker/u8:1+events_unbound10:05:092
4044071994439,4cyclictest110303-21/usr/share/muni11:20:042
4044067994441,2cyclictest4117104-21kworker/u8:3+events_unbound08:25:331
4044067994441,2cyclictest124954-21kworker/u8:0+flush-179:011:35:051
4044063994441,2cyclictest4153640-21kworker/u8:4+flush-179:009:10:370
4044063994441,2cyclictest36963-21gpgv10:10:010
4044063994439,4cyclictest68493-21kworker/u8:4+flush-179:010:45:230
4044063994437,6cyclictest4122920-21/usr/share/muni08:25:140
4044073994339,2cyclictest4011812-1kworker/3:1H+kblockd10:24:163
4044071994339,3cyclictest84112-21kworker/u8:2+events_unbound11:10:312
404407199432,15cyclictest40654-21chrome12:01:382
4044067994340,2cyclictest4070935-1kworker/1:1H+kblockd07:50:041
4044063994339,3cyclictest4007164-21kworker/u8:4+flush-179:007:15:180
4044073994233,8cyclictest4011812-1kworker/3:1H+kblockd09:45:113
4044071994238,3cyclictest4051602-21kworker/u8:0+events_unbound08:30:052
4044067994239,2cyclictest4132597-21kworker/u8:2+flush-179:009:15:101
4044067994237,3cyclictest4179352-21kworker/u8:1+events_unbound10:05:291
4044063994239,2cyclictest99775-21kworker/u8:3+events_unbound12:05:170
4044063994238,3cyclictest147635-21apt-get11:55:140
4044071994137,3cyclictest84112-21kworker/u8:2+events_unbound11:25:132
4044071994129,11cyclictest1260-21snmpd08:56:392
4044067994137,3cyclictest4189399-21kworker/u8:0+flush-179:010:35:201
4044067994128,10cyclictest4043896-21kworker/u8:1+flush-179:007:35:061
4044073994037,1cyclictest3957260-21kworker/3:2+pm08:13:463
4044073994035,3cyclictest4011812-1kworker/3:1H+kblockd07:23:113
4044073994034,4cyclictest74244-13chrome10:45:013
4044073994033,4cyclictest115403-21/usr/share/muni11:25:133
4044073994031,7cyclictest4011812-1kworker/3:1H+kblockd11:35:143
4044071994038,1cyclictest100270-21kworker/2:0+pm12:20:312
4044071994037,2cyclictest4054891-21kworker/2:0+pm07:30:322
4044071994037,2cyclictest16126-21kworker/2:0+pm10:29:162
4044071994037,2cyclictest134596-21kworker/u8:1+events_unbound11:50:152
4044071994037,2cyclictest100270-21kworker/2:0+pm12:09:292
4044071994036,3cyclictest6220-21/usr/share/muni09:40:122
4044071994036,3cyclictest4051602-21kworker/u8:0+events_unbound08:07:012
404407199401,14cyclictest16021-31munin-html09:45:402
4044067994037,2cyclictest4179352-21kworker/u8:1+events_unbound10:13:421
4044067994036,3cyclictest4179352-21kworker/u8:1+flush-179:009:39:161
4044067994036,3cyclictest4179352-21kworker/u8:1+flush-179:009:25:301
4044063994037,2cyclictest40680-13Chrome_ChildIOT08:45:320
4044063994037,2cyclictest161325-21kworker/u8:2+events_unbound12:20:140
4044063994035,4cyclictest4164390-21/usr/share/muni09:05:150
4044073993936,2cyclictest4148901-21kworker/3:0+pm09:42:163
4044071993937,1cyclictest4081468-21kworker/2:0+pm07:53:012
4044071993937,1cyclictest100270-21kworker/2:0+pm12:28:222
4044071993937,1cyclictest100270-21kworker/2:0+pm11:46:412
4044071993936,2cyclictest16126-21kworker/2:0+pm10:30:282
4044071993935,3cyclictest16126-21kworker/2:0+pm10:01:062
4044067993937,2cyclictest173515-21kworker/u8:0+flush-179:012:20:371
4044067993935,3cyclictest4051602-21kworker/u8:0+events_unbound07:30:261
4044067993934,4cyclictest146321-21/usr/share/muni11:55:041
4044063993936,2cyclictest4189399-21kworker/u8:0+flush-179:010:25:270
4044063993935,3cyclictest4179352-21kworker/u8:1+events_unbound09:20:010
4044063993935,3cyclictest4065122-21kworker/u8:2+flush-179:007:35:270
4044063993935,2cyclictest4096270-1kworker/0:1H+kblockd09:55:040
4044063993934,3cyclictest104836-21latency_hist11:15:010
4044073993835,2cyclictest40654-21chrome09:26:463
4044073993835,2cyclictest3957260-21kworker/3:2+pm07:48:363
4044073993835,2cyclictest105470-21isc-net-000011:22:073
4044073993834,3cyclictest4011812-1kworker/3:1H+kblockd08:03:513
4044073993834,2cyclictest4011812-1kworker/3:1H+kblockd12:05:453
4044073993834,2cyclictest4011812-1kworker/3:1H+kblockd11:30:273
4044073993834,2cyclictest4011812-1kworker/3:1H+kblockd10:09:323
4044073993834,2cyclictest4011812-1kworker/3:1H+kblockd09:50:533
4044073993832,4cyclictest4159281-21/usr/share/muni09:00:103
4044073993832,4cyclictest4148814-21latency_hist08:50:013
4044071993836,2cyclictest4051602-21kworker/u8:0+flush-179:008:50:212
4044071993836,1cyclictest65731-21kworker/2:1+pm10:45:142
4044071993836,1cyclictest4081468-21kworker/2:0+pm08:43:222
4044071993836,1cyclictest4081468-21kworker/2:0+pm08:36:192
4044071993836,1cyclictest4081468-21kworker/2:0+pm08:18:312
4044071993836,1cyclictest4081468-21kworker/2:0+pm08:11:102
4044071993836,1cyclictest4081468-21kworker/2:0+pm07:58:012
4044071993836,1cyclictest4054891-21kworker/2:0+pm07:25:312
4044071993836,1cyclictest4054891-21kworker/2:0+pm07:18:312
4044071993836,1cyclictest16126-21kworker/2:0+pm09:50:592
4044071993836,1cyclictest100270-21kworker/2:0+pm12:35:072
4044071993835,2cyclictest4175964-21kworker/2:1+pm09:31:022
4044071993835,2cyclictest4175964-21kworker/2:1+pm09:25:132
4044071993835,2cyclictest4158843-21kworker/2:2+pm09:19:462
4044071993835,2cyclictest4070360-21kworker/2:1+pm07:48:282
4044071993835,2cyclictest100270-21kworker/2:0+pm12:34:162
4044071993835,2cyclictest100270-21kworker/2:0+pm12:20:002
4044071993835,2cyclictest100270-21kworker/2:0+pm11:56:102
4044071993835,2cyclictest100270-21kworker/2:0+pm11:35:332
404407199381,4cyclictest40654-21chrome08:25:512
4044067993836,1cyclictest47691-21kworker/1:3+pm11:12:321
4044067993835,2cyclictest4117104-21kworker/u8:3+events_unbound08:50:091
4044067993835,2cyclictest4051602-21kworker/u8:0+flush-179:007:25:121
4044067993834,3cyclictest99775-21kworker/u8:3+flush-179:012:05:321
4044067993833,4cyclictest4143563-21ThreadPoolSingl08:45:021
4044063993835,2cyclictest4127687-21kworker/0:2+pm08:32:210
4044063993835,2cyclictest4096270-1kworker/0:1H+kblockd10:03:520
4044063993832,4cyclictest4184879-21/usr/share/muni09:25:100
404406399380,37cyclictest40654-21chrome10:35:090
4044073993734,2cyclictest4148901-21kworker/3:0+pm09:21:213
4044073993734,2cyclictest4148901-21kworker/3:0+pm08:58:463
4044073993734,2cyclictest4011812-1kworker/3:1H+kblockd12:11:023
4044073993734,2cyclictest4011812-1kworker/3:1H+kblockd10:10:073
4044073993734,2cyclictest4011812-1kworker/3:1H+kblockd09:19:313
4044073993734,2cyclictest4011812-1kworker/3:1H+kblockd08:30:273
4044073993734,2cyclictest4011812-1kworker/3:1H+kblockd08:20:263
4044073993734,2cyclictest173515-21kworker/u8:0+events_unbound12:25:193
4044073993734,2cyclictest105470-21isc-net-000012:34:063
4044073993733,3cyclictest4011812-1kworker/3:1H+kblockd12:18:363
4044073993733,3cyclictest4011812-1kworker/3:1H+kblockd08:18:463
4044073993733,3cyclictest132038-21apt-get11:40:133
4044073993733,2cyclictest4011812-1kworker/3:1H+kblockd12:20:203
4044073993733,2cyclictest4011812-1kworker/3:1H+kblockd08:44:313
4044073993732,3cyclictest4011812-1kworker/3:1H+kblockd11:16:003
4044071993735,1cyclictest4070360-21kworker/2:1+pm07:35:322
4044071993735,1cyclictest16126-21kworker/2:0+pm10:36:172
4044071993734,2cyclictest4175964-21kworker/2:1+pm09:20:072
4044071993734,2cyclictest16126-21kworker/2:0+pm10:15:162
4044071993734,2cyclictest100270-21kworker/2:0+pm11:15:042
4044071993733,3cyclictest4153640-21kworker/u8:4+events_unbound09:05:122
4044067993734,2cyclictest47265-21kworker/u8:3+flush-179:011:00:191
4044067993734,2cyclictest4070935-1kworker/1:1H+kblockd11:05:321
4044067993733,3cyclictest4189399-21kworker/u8:0+flush-179:010:00:221
4044067993733,3cyclictest181945-21kworker/u8:1+flush-179:012:35:111
4044063993734,2cyclictest4096270-1kworker/0:1H+kblockd09:00:320
4044063993734,2cyclictest4096270-1kworker/0:1H+kblockd08:54:460
4044063993733,3cyclictest4096270-1kworker/0:1H+kblockd10:54:120
4044063993733,2cyclictest4096270-1kworker/0:1H+kblockd11:50:270
4044063993733,2cyclictest3930045-1kworker/0:2H+kblockd07:45:100
4044073993633,2cyclictest4011812-1kworker/3:1H+kblockd11:06:533
4044073993633,2cyclictest4011812-1kworker/3:1H+kblockd08:26:213
4044073993633,2cyclictest3957260-21kworker/3:2+pm07:28:413
4044073993633,2cyclictest16451-21kworker/3:2+pm11:58:563
4044073993632,2cyclictest4011812-1kworker/3:1H+kblockd10:00:583
4044071993634,1cyclictest4175964-21kworker/2:1+pm09:35:132
4044071993634,1cyclictest4054891-21kworker/2:0+pm07:22:032
4044071993634,1cyclictest3152730-1kworker/2:2H+kblockd12:11:062
4044071993633,2cyclictest84112-21kworker/u8:2+flush-179:010:55:542
4044071993633,2cyclictest84112-21kworker/u8:2+flush-179:010:55:542
4044071993633,2cyclictest16126-21kworker/2:0+pm10:13:362
4044071993612,23cyclictest40661-13Compositor09:10:522
4044067993634,1cyclictest4070935-1kworker/1:1H+kblockd10:21:091
4044067993634,1cyclictest4070935-1kworker/1:1H+kblockd09:50:011
4044067993633,2cyclictest4070935-1kworker/1:1H+kblockd12:00:591
4044067993633,2cyclictest4070935-1kworker/1:1H+kblockd11:16:181
4044067993633,2cyclictest4070935-1kworker/1:1H+kblockd10:34:311
4044067993633,2cyclictest4070935-1kworker/1:1H+kblockd08:35:491
4044067993633,2cyclictest4070935-1kworker/1:1H+kblockd08:05:221
4044067993633,2cyclictest4070935-1kworker/1:1H+kblockd07:41:111
4044067993632,3cyclictest4189399-21kworker/u8:0+flush-179:009:45:181
4044067993632,3cyclictest4189399-21kworker/u8:0+events_unbound10:40:271
4044067993632,3cyclictest4189399-21kworker/u8:0+events_unbound10:40:271
4044067993632,3cyclictest4179352-21kworker/u8:1+flush-179:009:30:301
4044067993632,3cyclictest161325-21kworker/u8:2+flush-179:012:30:461
4044067993632,2cyclictest4070935-1kworker/1:1H+kblockd10:25:181
4044067993627,8cyclictest4007164-21kworker/u8:4+flush-179:007:15:071
404406399367,28cyclictest76405-21systemd-journal07:30:270
4044063993634,1cyclictest4096270-1kworker/0:1H+kblockd12:38:510
4044063993634,1cyclictest4096270-1kworker/0:1H+kblockd11:43:160
4044063993633,2cyclictest84112-21kworker/u8:2+flush-179:011:20:000
4044063993633,2cyclictest4158740-21kworker/0:0+pm10:33:540
4044063993633,2cyclictest4096270-1kworker/0:1H+kblockd10:58:120
4044063993633,2cyclictest4096270-1kworker/0:1H+kblockd10:58:120
4044063993633,1cyclictest4096270-1kworker/0:1H+kblockd11:27:260
4044063993632,3cyclictest4096270-1kworker/0:1H+kblockd09:50:150
4044063993631,4cyclictest4051602-21kworker/u8:0+flush-179:008:05:210
4044063993630,4cyclictest4097224-21/usr/share/muni08:00:020
4044073993533,1cyclictest4148901-21kworker/3:0+pm09:14:073
4044073993533,1cyclictest4011812-1kworker/3:1H+kblockd12:35:103
4044073993533,1cyclictest4011812-1kworker/3:1H+kblockd10:40:253
4044073993533,1cyclictest4011812-1kworker/3:1H+kblockd10:40:253
4044073993532,2cyclictest4011812-1kworker/3:1H+kblockd10:35:423
4044073993532,2cyclictest4011812-1kworker/3:1H+kblockd09:35:313
4044073993532,2cyclictest16451-21kworker/3:2+pm10:26:213
4044073993531,2cyclictest4011812-1kworker/3:1H+kblockd10:19:273
404407399351,33cyclictest0-21swapper/309:58:013
4044067993533,1cyclictest4164233-21kworker/1:0+pm09:07:011
4044067993533,1cyclictest4060407-21kworker/1:0+pm08:17:521
4044067993532,2cyclictest84032-21kworker/u8:0+flush-179:010:55:191
4044067993532,2cyclictest84032-21kworker/u8:0+flush-179:010:55:181
4044067993532,2cyclictest4070935-1kworker/1:1H+kblockd11:54:171
4044067993532,2cyclictest4070935-1kworker/1:1H+kblockd08:45:031
4044067993532,2cyclictest4070935-1kworker/1:1H+kblockd08:02:251
4044067993531,2cyclictest4070935-1kworker/1:1H+kblockd08:10:041
4044063993533,1cyclictest4096270-1kworker/0:1H+kblockd12:16:070
4044063993533,1cyclictest3930045-1kworker/0:2H+kblockd07:42:570
4044063993532,2cyclictest4096270-1kworker/0:1H+kblockd09:37:070
4044063993532,2cyclictest3930045-1kworker/0:2H+kblockd07:51:260
4044063993532,2cyclictest3930045-1kworker/0:2H+kblockd07:24:470
4044063993528,3cyclictest4189399-21kworker/u8:0+flush-179:010:20:060
4044073993432,1cyclictest4011812-1kworker/3:1H+kblockd10:53:183
4044073993432,1cyclictest4011812-1kworker/3:1H+kblockd07:51:513
4044073993430,2cyclictest1260-21snmpd10:34:563
4044067993432,1cyclictest4070935-1kworker/1:1H+kblockd08:55:321
4044067993431,2cyclictest4070935-1kworker/1:1H+kblockd11:30:311
4044067993431,2cyclictest4070935-1kworker/1:1H+kblockd09:02:111
4044067993431,1cyclictest4070935-1kworker/1:1H+kblockd10:45:241
4044067993430,2cyclictest135984-21snmp_ryswitch.c11:45:021
404406799342,31cyclictest271rcuc/107:20:121
4044063993433,1cyclictest4158740-21kworker/0:0+pm09:32:170
4044063993432,1cyclictest4096270-1kworker/0:1H+kblockd12:13:020
4044063993432,1cyclictest4096270-1kworker/0:1H+kblockd11:31:130
4044063993432,1cyclictest4096270-1kworker/0:1H+kblockd11:20:150
4044063993432,1cyclictest4096270-1kworker/0:1H+kblockd11:04:400
4044063993431,2cyclictest84032-21kworker/u8:0+flush-179:011:05:320
4044063993431,2cyclictest4153640-21kworker/u8:4+flush-179:008:55:360
4044063993431,2cyclictest4096270-1kworker/0:1H+kblockd11:35:040
4044063993431,2cyclictest4096270-1kworker/0:1H+kblockd08:19:500
4044063993431,2cyclictest3930045-1kworker/0:2H+kblockd07:25:020
4044063993430,3cyclictest3930045-1kworker/0:2H+kblockd07:55:160
4044063993429,4cyclictest4096278-21kworker/u8:1+flush-179:008:10:370
4044073993332,1cyclictest4011812-1kworker/3:1H+kblockd08:50:553
4044073993331,2cyclictest4011812-1kworker/3:1H+kblockd11:11:573
4044073993331,1cyclictest4011812-1kworker/3:1H+kblockd11:04:153
4044073993331,1cyclictest4011812-1kworker/3:1H+kblockd08:35:553
4044073993331,1cyclictest4011812-1kworker/3:1H+kblockd07:57:063
4044073993330,2cyclictest517-21kworker/u8:3+flush-179:009:31:573
4044073993330,2cyclictest4011812-1kworker/3:1H+kblockd12:02:023
4044073993326,5cyclictest4044180-21/usr/share/muni07:10:133
4044071993331,1cyclictest16126-21kworker/2:0+pm10:21:412
4044067993331,1cyclictest4070935-1kworker/1:1H+kblockd10:50:161
4044067993331,1cyclictest4070935-1kworker/1:1H+kblockd09:13:131
4044067993331,1cyclictest1955767-1kworker/1:2H+kblockd07:10:441
4044067993330,2cyclictest4070935-1kworker/1:1H+kblockd09:42:121
4044063993331,1cyclictest4096270-1kworker/0:1H+kblockd12:32:360
4044063993331,1cyclictest4096270-1kworker/0:1H+kblockd08:24:230
4044063993330,2cyclictest4096270-1kworker/0:1H+kblockd12:02:410
4044063993329,3cyclictest99775-21kworker/u8:3+flush-179:012:25:050
4044063993329,3cyclictest4132597-21kworker/u8:2+flush-179:008:35:270
4044073993230,1cyclictest1260-21snmpd10:59:093
4044073993230,1cyclictest1260-21snmpd10:59:093
4044073993229,2cyclictest16451-21kworker/3:2+pm11:52:263
4044073993228,2cyclictest4011812-1kworker/3:1H+kblockd07:40:163
4044073993224,7cyclictest4011812-1kworker/3:1H+kblockd07:31:413
4044067993229,2cyclictest4179584-21kworker/1:1+pm09:22:461
4044067993228,3cyclictest173515-21kworker/u8:0+flush-179:012:25:121
4044063993230,1cyclictest1260-21snmpd09:41:230
4044063993229,2cyclictest1260-21snmpd09:46:530
4044073993130,1cyclictest1260-21snmpd07:38:373
4044073993128,2cyclictest4153640-21kworker/u8:4+flush-179:009:05:213
4044073993128,2cyclictest1260-21snmpd11:47:193
4044067993128,2cyclictest517-21kworker/u8:3+events_unbound09:56:171
4044067993128,2cyclictest4070935-1kworker/1:1H+kblockd11:40:111
4044063993030,0cyclictest1260-21snmpd11:48:380
4044067992927,1cyclictest1260-21snmpd12:14:511
4044063992927,1cyclictest1260-21snmpd07:10:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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