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2026-06-15 - 19:25
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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 Mon Jun 15, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
341872421580,2sleep30-21swapper/322:55:023
356426921540,2sleep30-21swapper/300:31:053
348463721120,2sleep13484642-21idleruntime-cro23:40:011
343936621050,2sleep30-21swapper/323:06:323
35628182940,1sleep1191rcu_preempt00:30:231
35656102760,2sleep20-21swapper/200:35:012
311479199317,19cyclictest0-21swapper/022:45:160
3114791993119,8cyclictest693-21systemd-logind23:55:030
311479199301,24cyclictest3301851-21perl21:35:200
311479199289,11cyclictest0-21swapper/022:05:170
311479199276,14cyclictest0-21swapper/000:35:150
3114791992716,7cyclictest3471895-21kthreadcore23:30:210
311479199268,9cyclictest0-21swapper/022:55:180
3114791992620,5cyclictest3374645-21grep22:25:030
3114791992610,8cyclictest3276820-21timerandwakeup21:15:300
3114792992514,3cyclictest3367275-21aten_repower_fr22:20:161
3114791992520,4cyclictest3159838-21idleruntime-cro19:45:000
3114791992513,8cyclictest660-21dbus-daemon00:05:020
3114791992512,12cyclictest1246-21mta-sts-daemon00:13:370
3114791992510,11cyclictest3178719-21tail20:00:170
3114792992421,2cyclictest3455214-21turbostat.cron23:20:001
3114791992414,9cyclictest0-21swapper/023:20:010
3114791992411,8cyclictest3320264-21kthreadcore21:45:250
3114792992317,1cyclictest492398rtkit-daemon21:43:401
311479199238,11cyclictest3323162-21tail21:50:170
311479199238,11cyclictest3221609-21tail20:35:180
311479199236,6cyclictest0-21swapper/000:30:220
311479199236,1cyclictest0-21swapper/021:30:010
311479199235,6cyclictest0-21swapper/023:25:170
311479199234,2cyclictest0-21swapper/022:52:220
3114791992318,4cyclictest3215084-21latency_hist20:30:010
3114791992313,9cyclictest1063-21lldpd20:05:290
3114791992311,8cyclictest3114789-21cyclictest22:25:150
3114791992310,8cyclictest1067-21sshd20:54:360
35077022220,3sleep13507705-21grep23:55:201
311479299226,9cyclictest3303626-21cut21:35:231
3114792992216,2cyclictest17750irq/132-ahci[0000:00:17.0]20:10:001
3114792992216,1cyclictest67250irq/126-eno120:15:181
3114792992214,3cyclictest1050-21snmpd22:35:211
3114792992214,3cyclictest1050-21snmpd22:35:211
311479199229,8cyclictest0-21swapper/023:55:030
311479199228,2cyclictest0-21swapper/021:20:200
311479199227,1cyclictest0-21swapper/000:20:250
311479199226,5cyclictest601rcuop/319:25:190
311479199225,6cyclictest3142208-21cpuspeed_turbos19:30:180
3114791992217,4cyclictest3402288-21grep22:40:290
3114791992217,4cyclictest0-21swapper/022:20:020
311479199221,11cyclictest660-21dbus-daemon20:50:020
3114791992210,2cyclictest492398rtkit-daemon21:01:420
311479299216,9cyclictest3335973-21sshd21:55:351
3114792992119,1cyclictest85-21kswapd020:00:021
3114792992118,2cyclictest660-21dbus-daemon21:15:031
3114792992113,3cyclictest3317325-21kthreadcore21:45:241
3114792992112,4cyclictest0-21swapper/122:25:231
311479199218,9cyclictest0-21swapper/023:00:280
311479199218,8cyclictest0-21swapper/023:43:280
311479199218,8cyclictest0-21swapper/022:35:280
311479199218,8cyclictest0-21swapper/022:35:280
311479199218,8cyclictest0-21swapper/021:40:120
311479199218,8cyclictest0-21swapper/000:05:300
311479199218,1cyclictest491rcuog/223:11:220
311479199216,4cyclictest0-21swapper/022:00:160
311479199214,2cyclictest0-21swapper/000:25:180
311479199211,6cyclictest3196909-21apt-get20:15:170
311479199211,2cyclictest3271469-21munin-run21:15:040
3153791201,2phc2sys0-21swapper/322:35:243
3153791201,2phc2sys0-21swapper/322:35:243
311479299207,8cyclictest3521298-21cat00:05:011
311479299207,8cyclictest3048093-21kworker/u16:1+xprtiod22:19:461
311479299205,10cyclictest3123768-21aten2.4-expect19:15:171
3114792992018,1cyclictest3208848-21apt-config20:25:011
3114792992017,2cyclictest660-21dbus-daemon23:50:021
3114792992017,2cyclictest658-21avahi-daemon23:30:011
3114792992011,4cyclictest0-21swapper/121:50:261
311479199208,2cyclictest492398rtkit-daemon19:10:490
311479199208,10cyclictest0-21swapper/021:30:300
311479199204,5cyclictest0-21swapper/023:10:020
311479199201,8cyclictest3456149-21df_inode23:20:180
311479199201,8cyclictest3228091-21df20:40:180
311479199201,7cyclictest3492392-21apt-get23:45:150
3114791992014,5cyclictest3937-21cron23:35:030
311479199201,17cyclictest3330433-21/usr/sbin/munin21:55:190
311479199200,9cyclictest3382172-21/usr/sbin/munin22:30:220
311479199200,4cyclictest3206139-21kthreadcore20:20:230
3114793991917,1cyclictest0-21swapper/222:40:162
3114793991917,1cyclictest0-21swapper/200:25:172
311479399190,12cyclictest0-21swapper/219:30:022
311479299196,5cyclictest1247-21mta-sts-daemon22:46:561
311479299196,4cyclictest3571715-21diskmemload00:36:311
311479299194,5cyclictest3396990-21aten2.4-expect22:40:161
3114792991916,2cyclictest3300919-21sh21:35:011
3114792991916,2cyclictest3121061-21apt-key19:15:021
3114792991915,3cyclictest3253128-21kthreadcore21:00:221
3114792991913,2cyclictest67250irq/126-eno100:11:311
3114792991910,2cyclictest67250irq/126-eno123:05:251
311479199192,6cyclictest3245889-21aten2.4-expect20:55:170
311479199191,6cyclictest3141864-21kworker/u16:3+events_unbound19:35:170
3114791991914,4cyclictest0-21swapper/000:20:000
3114791991913,5cyclictest765-1atopacctd19:20:190
3114791991912,6cyclictest0-21swapper/019:10:020
311479199190,8cyclictest3353367-21if_enp1s0.822:10:210
311479199190,7cyclictest3257876-21/usr/sbin/munin21:05:190
311479199190,4cyclictest3161399-21cut19:45:220
3153791182,4phc2sys0-21swapper/321:45:173
3153791181,9phc2sys0-21swapper/323:45:163
3114793991815,1cyclictest0-21swapper/219:50:162
311479299186,7cyclictest3447899-21cat23:15:001
311479299185,5cyclictest3522014-21cpuspeed_turbos00:05:181
311479299183,5cyclictest3551138-21aten2.4-expect00:25:171
3114792991815,2cyclictest3421390-21kthreadcore22:55:231
3114792991814,3cyclictest698-21in:imuxsock20:30:021
3114792991814,3cyclictest3502445-21kthreadcore23:50:241
3114792991814,3cyclictest3412263-21gltestperf22:50:191
3114792991814,3cyclictest3233711-21aten_repower_fr20:45:151
3114792991814,3cyclictest3227321-21systemd20:40:011
3114792991814,3cyclictest3218213-21kthreadcore20:30:241
3114792991814,3cyclictest3155374-21kernelversion19:40:211
3114792991811,1cyclictest0-21swapper/121:30:011
311479199181,6cyclictest3191612-21taskset20:10:190
3114791991813,4cyclictest3177583-21unixbench-2d19:55:300
311479199180,7cyclictest3169145-21cut19:50:230
3153791170,2phc2sys0-21swapper/322:56:403
3114793991715,1cyclictest0-21swapper/223:25:162
3114793991714,2cyclictest0-21swapper/222:15:012
3114793991714,1cyclictest0-21swapper/220:00:172
311479399170,12cyclictest0-21swapper/223:20:152
311479299179,4cyclictest0-21swapper/120:45:011
311479299175,7cyclictest3270991-21kworker/u16:0+xprtiod22:06:391
311479299172,5cyclictest3166290-21aten2.4-expect19:50:161
3114792991714,2cyclictest3485049-21aten_repower_cu23:40:161
3114792991714,2cyclictest3429030-21kthreadcore23:00:221
3114792991714,2cyclictest3260915-21kthreadcore21:05:241
3114792991714,2cyclictest3132549-21kthreadcore19:20:241
3114792991714,2cyclictest1-21systemd21:25:011
3114792991713,3cyclictest3539726-21kthreadcore00:15:241
3114792991713,3cyclictest3385526-21kthreadcore22:30:251
3114792991713,3cyclictest3359037-21sh22:13:421
3114792991713,3cyclictest3195863-21switchtime20:10:271
3114792991713,3cyclictest3151402-21kthreadcore19:35:241
3114791991712,4cyclictest3123614-21apt19:15:160
3114791991710,3cyclictest3219274-21kthreadcore20:30:240
31537911611,2phc2sys0-21swapper/320:05:293
3153791160,2phc2sys0-21swapper/322:28:063
3153791160,2phc2sys0-21swapper/321:23:163
3153791160,2phc2sys0-21swapper/320:45:223
3153791160,2phc2sys0-21swapper/300:28:303
3114793991614,1cyclictest0-21swapper/222:30:022
3114793991614,1cyclictest0-21swapper/222:25:012
3114793991614,1cyclictest0-21swapper/220:45:142
3114793991613,2cyclictest0-21swapper/220:05:172
3114793991613,1cyclictest0-21swapper/221:30:162
3114793991613,1cyclictest0-21swapper/221:00:162
3114793991613,1cyclictest0-21swapper/220:55:202
3114793991613,1cyclictest0-21swapper/220:40:012
3114793991613,1cyclictest0-21swapper/220:10:182
3114793991612,2cyclictest35732512sleep200:40:032
3114793991612,2cyclictest0-21swapper/219:45:182
3114793991610,2cyclictest0-21swapper/222:50:152
3114792991613,2cyclictest3550632-21latency_hist00:25:001
3114792991613,2cyclictest3477123-21sh23:34:381
3114792991613,2cyclictest3343186-21grep22:00:291
3114792991613,2cyclictest3272580-21grep21:15:221
3114792991613,2cyclictest3248279-21kthreadcore20:55:231
3114792991613,2cyclictest3178980-21cpuspeed_turbos20:00:181
3114792991613,2cyclictest3144726-21kthreadcore19:30:241
3114792991613,2cyclictest3139519-21kthreadcore19:25:211
3114792991612,3cyclictest3459169-21kthreadcore23:20:241
3114792991612,3cyclictest3242444-21kthreadcore20:50:241
3153791154,2phc2sys0-21swapper/321:55:193
3153791150,3phc2sys0-21swapper/319:50:163
3153791150,3phc2sys0-21swapper/319:05:153
3153791150,2phc2sys0-21swapper/321:38:423
3114793991513,1cyclictest0-21swapper/221:55:012
3114793991513,1cyclictest0-21swapper/221:12:102
3114793991512,1cyclictest0-21swapper/222:15:232
3114793991512,1cyclictest0-21swapper/221:40:222
3114793991512,1cyclictest0-21swapper/221:05:292
3114793991512,1cyclictest0-21swapper/220:25:012
3114793991512,1cyclictest0-21swapper/219:55:202
3114793991512,1cyclictest0-21swapper/219:20:012
3114793991512,1cyclictest0-21swapper/200:15:022
3114793991511,2cyclictest0-21swapper/223:35:222
3114793991511,2cyclictest0-21swapper/200:15:232
3114792991512,2cyclictest3162956-21kthreadcore19:45:231
492398140,5rtkit-daemon1246-21mta-sts-daemon19:08:011
3153791140,3phc2sys0-21swapper/300:12:363
3153791140,2phc2sys0-21swapper/323:16:573
311479399148,3cyclictest0-21swapper/219:35:192
311479399147,5cyclictest3284847-21chrt21:21:062
3114793991412,1cyclictest0-21swapper/222:50:012
3114793991412,1cyclictest0-21swapper/222:30:262
3114793991412,1cyclictest0-21swapper/220:45:022
3114793991412,1cyclictest0-21swapper/219:10:162
3114793991412,1cyclictest0-21swapper/200:05:242
3114793991411,1cyclictest0-21swapper/223:58:532
3114793991411,1cyclictest0-21swapper/223:50:052
3114793991411,1cyclictest0-21swapper/223:44:262
3114793991411,1cyclictest0-21swapper/223:10:142
3114793991411,1cyclictest0-21swapper/223:02:172
3114793991411,1cyclictest0-21swapper/222:55:232
3114793991411,1cyclictest0-21swapper/222:35:282
3114793991411,1cyclictest0-21swapper/222:35:282
3114793991411,1cyclictest0-21swapper/222:07:422
3114793991411,1cyclictest0-21swapper/221:45:202
3114793991411,1cyclictest0-21swapper/219:40:332
3114793991411,1cyclictest0-21swapper/219:30:242
3114793991411,1cyclictest0-21swapper/200:20:242
3114793991411,1cyclictest0-21swapper/200:00:262
311479399140,7cyclictest0-21swapper/223:20:022
3153791130,3phc2sys0-21swapper/322:46:023
3153791130,3phc2sys0-21swapper/321:40:163
3153791130,3phc2sys0-21swapper/320:55:043
3153791130,2phc2sys0-21swapper/322:16:483
3153791130,2phc2sys0-21swapper/322:11:583
3153791130,2phc2sys0-21swapper/321:02:443
3153791130,2phc2sys0-21swapper/319:30:163
3153791130,2phc2sys0-21swapper/300:01:283
3153791130,1phc2sys0-21swapper/323:37:053
311479399139,2cyclictest0-21swapper/221:57:402
3114793991311,1cyclictest0-21swapper/223:45:222
3114793991311,1cyclictest0-21swapper/223:09:132
3114793991311,1cyclictest0-21swapper/221:35:302
3114793991311,1cyclictest0-21swapper/221:25:162
3114793991311,1cyclictest0-21swapper/220:25:242
3114793991311,1cyclictest0-21swapper/220:15:242
3114793991310,1cyclictest0-21swapper/223:30:212
3114793991310,1cyclictest0-21swapper/221:15:222
3114793991310,1cyclictest0-21swapper/220:50:262
3114793991310,1cyclictest0-21swapper/220:30:232
3114793991310,1cyclictest0-21swapper/219:20:172
3153791124,1phc2sys0-21swapper/323:40:403
3153791123,2phc2sys0-21swapper/323:50:263
3153791121,2phc2sys0-21swapper/320:25:023
3153791120,5phc2sys0-21swapper/321:25:163
3153791120,2phc2sys0-21swapper/323:59:563
3153791120,2phc2sys0-21swapper/300:05:213
3153791120,1phc2sys0-21swapper/322:31:233
311479399129,1cyclictest0-21swapper/222:00:232
3153791111,3phc2sys0-21swapper/319:35:173
3153791111,2phc2sys0-21swapper/323:00:173
3153791111,2phc2sys0-21swapper/321:14:553
3153791111,2phc2sys0-21swapper/319:55:293
3153791110,4phc2sys0-21swapper/322:20:153
3153791110,4phc2sys0-21swapper/321:05:163
3153791110,3phc2sys0-21swapper/300:20:043
3153791110,2phc2sys0-21swapper/323:29:063
3153791110,2phc2sys0-21swapper/323:22:433
3153791110,2phc2sys0-21swapper/322:04:573
3153791110,2phc2sys0-21swapper/321:15:463
3153791110,2phc2sys0-21swapper/320:35:203
3153791110,2phc2sys0-21swapper/319:26:193
3153791110,2phc2sys0-21swapper/300:35:153
3153791110,1phc2sys0-21swapper/322:42:453
3153791110,1phc2sys0-21swapper/320:27:113
3153791110,1phc2sys0-21swapper/320:16:013
3153791101,2phc2sys0-21swapper/323:12:513
3153791101,2phc2sys0-21swapper/321:30:183
3153791100,2phc2sys0-21swapper/323:30:143
3153791100,2phc2sys0-21swapper/320:30:153
3153791100,2phc2sys0-21swapper/319:40:143
3153791100,2phc2sys0-21swapper/300:15:153
3153791100,1phc2sys0-21swapper/320:13:373
3153791100,1phc2sys0-21swapper/319:18:143
311479399108,1cyclictest0-21swapper/219:10:022
315379191,2phc2sys0-21swapper/321:50:223
315379191,2phc2sys0-21swapper/319:20:183
315379191,2phc2sys0-21swapper/319:10:203
315379190,3phc2sys0-21swapper/322:05:163
315379190,2phc2sys0-21swapper/320:50:153
315379190,2phc2sys0-21swapper/320:40:213
315379190,2phc2sys0-21swapper/319:45:233
315379190,1phc2sys0-21swapper/320:03:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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