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2026-08-20 - 19:28
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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 Aug 20, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320428821110,1sleep00-21swapper/010:30:080
32923972990,2sleep30-21swapper/311:30:033
33601822780,2sleep20-21swapper/212:15:032
30572502730,2sleep30-21swapper/308:45:063
2940265992715,7cyclictest0-21swapper/012:00:010
29565642240,2sleep20-21swapper/207:25:062
2940266992421,2cyclictest3106400-21df09:25:021
2940266992421,2cyclictest3106400-21df09:25:021
2940266992413,5cyclictest3358785-21sh12:14:461
2940266992320,2cyclictest3099065-21systemd09:20:031
2940266992320,2cyclictest3028549-21munin-run08:25:001
2940266992320,2cyclictest2986702-21cut07:50:031
2940265992313,6cyclictest3177106-21kthreadcore10:10:080
32338592220,2sleep30-21swapper/310:50:073
2940266992219,2cyclictest3381313-21wc12:30:011
2940266992219,2cyclictest2961655-21/usr/sbin/munin07:30:021
2940266992118,2cyclictest664-21dbus-daemon11:35:011
2940266992118,2cyclictest664-21dbus-daemon08:45:021
2940266992118,2cyclictest3262465-21cstates11:10:021
2940266992118,2cyclictest1-21systemd07:45:021
2940266992113,3cyclictest0-21swapper/111:45:011
2940265992118,2cyclictest3351933-21cstates12:10:010
2940265992118,2cyclictest2998235-21cpuspeed08:00:020
2940265992118,2cyclictest2946085-21cstates07:15:010
2940265992118,2cyclictest0-21swapper/010:00:030
3240591200,2phc2sys0-21swapper/310:35:093
31282562200,0sleep03128254-21grep09:40:020
2940267992017,1cyclictest0-21swapper/211:10:022
2940267992017,1cyclictest0-21swapper/209:20:012
2940267992017,1cyclictest0-21swapper/208:25:002
2940266992017,2cyclictest3247566-21cstates11:00:021
2940266992017,2cyclictest2412362-1atop12:00:011
2940266992017,2cyclictest1-21systemd08:00:011
294026599209,6cyclictest0-21swapper/009:10:080
2940265992017,2cyclictest3077849-21cpuspeed_turbos09:05:020
2940265992017,2cyclictest2961821-21/usr/sbin/munin07:30:030
2940265992017,2cyclictest0-21swapper/009:44:440
294026599201,5cyclictest3287384-21cat11:25:090
2940265992012,6cyclictest0-21swapper/009:10:010
2940265992011,5cyclictest0-21swapper/012:20:030
2940265992010,5cyclictest0-21swapper/010:05:010
3240591190,4phc2sys0-21swapper/309:49:563
3240591190,2phc2sys0-21swapper/309:43:433
2940266991916,2cyclictest3322488-21cstates11:50:031
2940266991916,2cyclictest3255067-21cstates11:05:021
2940266991916,2cyclictest3219204-21kthreadcore10:40:071
2940266991916,2cyclictest3187232-21/usr/sbin/munin10:20:021
294026599198,6cyclictest0-21swapper/012:14:420
2940265991916,2cyclictest3337979-21ps12:00:060
2940265991916,2cyclictest3225368-21cpuspeed_turbos10:45:020
2940265991916,2cyclictest2973745-21cstates07:40:020
2940265991916,2cyclictest268-21systemd-journal08:35:070
2940265991916,2cyclictest0-21swapper/011:40:010
2940265991916,2cyclictest0-21swapper/010:20:030
2940265991911,7cyclictest1307-21mta-sts-daemon09:19:480
294026599191,12cyclictest0-21swapper/010:55:250
294026799181,9cyclictest0-21swapper/212:20:012
2940267991816,1cyclictest0-21swapper/211:40:032
2940267991816,1cyclictest0-21swapper/210:10:022
2940267991816,1cyclictest0-21swapper/209:30:022
2940267991816,1cyclictest0-21swapper/209:00:022
2940267991816,1cyclictest0-21swapper/207:20:022
2940267991815,1cyclictest0-21swapper/210:20:022
294026699189,4cyclictest0-21swapper/110:00:041
294026699187,3cyclictest501rcuop/210:48:141
294026699187,3cyclictest501rcuop/210:48:141
2940266991815,2cyclictest3366466-21cut12:20:011
2940266991815,2cyclictest3128370-21cpuspeed_turbos09:40:021
2940266991815,2cyclictest3071750-21systemctl09:00:011
2940266991815,2cyclictest3035146-21sh08:30:011
2940266991815,2cyclictest3010417-21cpuspeed_turbos08:10:021
2940266991815,2cyclictest1307-21mta-sts-daemon10:35:041
2940266991815,2cyclictest0-21swapper/112:25:031
2940266991810,3cyclictest0-21swapper/110:54:441
294026599187,6cyclictest0-21swapper/011:05:080
2940265991815,2cyclictest664-21dbus-daemon11:05:020
2940265991815,2cyclictest3195065-21systemd-run10:25:010
2940265991815,2cyclictest3105516-21/usr/sbin/munin09:25:020
2940265991815,2cyclictest3105516-21/usr/sbin/munin09:25:020
2940265991815,2cyclictest3071860-21latency_hist09:00:010
2940265991815,2cyclictest0-21swapper/011:20:020
294026599181,13cyclictest3197149-21cut10:25:060
3240591171,3phc2sys0-21swapper/311:06:353
32405911710,3phc2sys0-21swapper/312:25:023
3240591170,3phc2sys0-21swapper/310:23:473
3240591170,2phc2sys0-21swapper/310:46:273
3240591170,2phc2sys0-21swapper/310:46:273
2940267991715,1cyclictest0-21swapper/212:30:042
2940267991715,1cyclictest0-21swapper/211:45:022
2940267991714,1cyclictest0-21swapper/212:39:442
2940267991714,1cyclictest0-21swapper/211:25:032
2940267991714,1cyclictest0-21swapper/210:25:012
2940267991714,1cyclictest0-21swapper/208:30:002
2940267991714,1cyclictest0-21swapper/207:50:022
2940267991714,1cyclictest0-21swapper/207:45:012
2940267991713,2cyclictest0-21swapper/208:50:022
294026699178,3cyclictest501rcuop/212:35:361
294026699178,3cyclictest501rcuop/211:19:171
294026699177,3cyclictest501rcuop/212:07:061
294026699176,5cyclictest3281986-21kworker/u16:0-xprtiod11:35:411
294026699174,5cyclictest1306-21mta-sts-daemon08:54:231
294026699174,4cyclictest1306-21mta-sts-daemon07:10:461
2940266991715,1cyclictest10930-21cron11:25:031
2940266991714,2cyclictest3173261-21latency_hist10:10:021
2940266991714,2cyclictest3158480-21entropy10:00:041
2940266991714,2cyclictest3135889-21cstates09:45:021
2940266991714,2cyclictest3116364-21kthreadcore09:30:081
2940266991714,2cyclictest2968703-21sed07:35:061
2940266991714,2cyclictest2955514-21cstates07:25:021
2940266991712,4cyclictest1309-21mta-sts-daemon09:26:471
294026599177,6cyclictest3389918-21irqrtprio12:35:070
294026599174,3cyclictest2985285-21/usr/sbin/munin07:50:020
294026599173,4cyclictest3263785-21taskset11:10:070
2940265991715,1cyclictest3329832-21/usr/sbin/munin11:55:020
2940265991714,2cyclictest684-21systemd-logind07:35:010
2940265991714,2cyclictest664-21dbus-daemon10:40:030
2940265991714,2cyclictest664-21dbus-daemon09:30:030
2940265991714,2cyclictest3232658-21tr10:50:020
2940265991714,2cyclictest3232658-21tr10:50:020
2940265991714,2cyclictest3010666-21cstates08:10:020
2940265991714,2cyclictest2940294-21df_inode07:10:010
2940265991714,2cyclictest0-21swapper/010:10:020
2940265991713,2cyclictest3065647-21cpu08:55:020
2940265991711,2cyclictest491rcuog/212:25:110
3240591161,4phc2sys0-21swapper/312:29:443
3240591160,7phc2sys0-21swapper/309:59:453
3240591160,2phc2sys0-21swapper/310:19:263
3240591160,2phc2sys0-21swapper/309:32:133
3240591160,2phc2sys0-21swapper/309:19:263
2940267991614,1cyclictest0-21swapper/212:30:032
2940267991614,1cyclictest0-21swapper/211:35:012
2940267991614,1cyclictest0-21swapper/211:30:032
2940267991614,1cyclictest0-21swapper/211:20:032
2940267991614,1cyclictest0-21swapper/210:35:022
2940267991614,1cyclictest0-21swapper/209:55:032
2940267991614,1cyclictest0-21swapper/209:10:022
2940267991614,1cyclictest0-21swapper/208:00:032
2940267991613,1cyclictest0-21swapper/212:10:022
2940267991613,1cyclictest0-21swapper/211:15:022
2940267991613,1cyclictest0-21swapper/210:55:072
2940267991613,1cyclictest0-21swapper/209:50:012
2940267991613,1cyclictest0-21swapper/209:35:152
2940267991613,1cyclictest0-21swapper/208:20:022
2940267991613,1cyclictest0-21swapper/208:05:082
294026699169,6cyclictest1307-21mta-sts-daemon08:00:121
294026699167,3cyclictest501rcuop/209:11:071
294026699166,3cyclictest501rcuop/212:33:481
294026699166,3cyclictest501rcuop/208:40:011
2940266991613,2cyclictest3329938-21fschecks_time11:55:021
2940266991613,2cyclictest3194786-21aten2.4-expect10:24:481
2940266991613,2cyclictest3178407-21sh10:10:391
2940266991613,2cyclictest3078134-21latency_hist09:05:021
2940266991613,2cyclictest2992091-21cpuspeed_turbos07:55:021
2940266991613,2cyclictest2967923-21/usr/sbin/munin07:35:031
2940266991613,2cyclictest2940263-21cyclictest09:50:111
2940266991612,3cyclictest3136869-21irqrtprio09:45:061
2940266991612,3cyclictest3083665-21diskmemload10:25:031
294026599169,6cyclictest1307-21mta-sts-daemon11:24:490
294026599169,6cyclictest0-21swapper/009:30:080
294026599168,2cyclictest3142961-21turbostat09:50:010
2940265991613,2cyclictest3299434-21cpu11:35:010
2940265991613,2cyclictest3148081-21processes09:50:110
2940265991613,2cyclictest0-21swapper/012:20:010
3240591150,1phc2sys0-21swapper/307:10:383
2940267991513,1cyclictest0-21swapper/210:50:022
2940267991513,1cyclictest0-21swapper/210:50:022
2940267991513,1cyclictest0-21swapper/209:05:022
2940267991512,1cyclictest0-21swapper/211:00:122
2940267991512,1cyclictest0-21swapper/210:55:012
2940267991512,1cyclictest0-21swapper/210:05:012
2940267991512,1cyclictest0-21swapper/209:35:012
2940267991512,1cyclictest0-21swapper/208:45:012
294026699158,2cyclictest2949317-21cstates07:20:011
294026699157,4cyclictest0-21swapper/112:05:011
294026699156,3cyclictest501rcuop/208:12:561
2940266991512,2cyclictest3262824-21grep11:10:041
2940266991512,2cyclictest1306-21mta-sts-daemon10:30:311
2940266991512,2cyclictest1300-21mta-sts-daemon11:22:581
2940266991512,2cyclictest1300-21mta-sts-daemon08:20:001
2940265991512,2cyclictest3383751-21kthreadcore12:30:070
2940265991512,2cyclictest3315427-21if_enp1s0.811:45:040
2940265991512,2cyclictest2990917-21unixbench_multi07:50:100
2940265991512,2cyclictest2979900-21cstates07:45:020
2940265991512,2cyclictest0-21swapper/008:25:020
294026599150,2cyclictest3053697-21df08:45:000
3240591141,4phc2sys0-21swapper/307:19:443
3240591141,3phc2sys0-21swapper/308:39:473
3240591140,3phc2sys0-21swapper/309:54:453
3240591140,2phc2sys0-21swapper/310:26:343
3240591140,1phc2sys0-21swapper/311:11:213
2940267991412,1cyclictest0-21swapper/211:55:042
2940267991412,1cyclictest0-21swapper/211:54:472
2940267991412,1cyclictest0-21swapper/209:45:012
2940267991412,1cyclictest0-21swapper/207:15:022
2940267991411,1cyclictest0-21swapper/209:20:042
2940267991411,1cyclictest0-21swapper/209:20:042
2940267991411,1cyclictest0-21swapper/207:20:092
294026799140,7cyclictest0-21swapper/210:40:012
294026699145,2cyclictest501rcuop/208:31:521
2940266991411,2cyclictest11574-21rtkit-daemon09:08:211
294026599142,7cyclictest0-21swapper/011:40:140
2940265991411,2cyclictest3057698-21kthreadcore08:45:060
2940265991411,2cyclictest3039268-21kthreadcore08:30:090
2940265991411,2cyclictest3022861-21fschecks_count08:20:020
2940265991411,2cyclictest3011182-21irqcore08:10:060
2940265991410,3cyclictest3235313-21kthreadcore10:50:090
2940265991410,2cyclictest0-21swapper/007:25:020
3240591131,5phc2sys0-21swapper/309:14:443
3240591130,2phc2sys0-21swapper/312:03:193
3240591130,2phc2sys0-21swapper/311:32:473
3240591130,2phc2sys0-21swapper/311:16:263
3240591130,2phc2sys0-21swapper/307:28:293
294026799134,5cyclictest0-21swapper/210:14:452
2940267991311,1cyclictest0-21swapper/212:00:082
2940267991311,1cyclictest0-21swapper/211:45:382
2940267991311,1cyclictest0-21swapper/210:27:262
2940267991311,1cyclictest0-21swapper/209:50:042
2940267991311,1cyclictest0-21swapper/209:10:042
2940267991311,1cyclictest0-21swapper/208:55:022
2940267991311,1cyclictest0-21swapper/208:10:082
2940267991311,1cyclictest0-21swapper/207:35:072
2940267991311,1cyclictest0-21swapper/207:10:022
2940267991310,1cyclictest0-21swapper/210:40:082
2940267991310,1cyclictest0-21swapper/208:03:042
2940267991310,1cyclictest0-21swapper/207:30:072
2940266991310,2cyclictest3056209-21kthreadcore08:45:051
294026599139,3cyclictest3031624-21kthreadcore08:25:060
2940265991310,2cyclictest1309-21mta-sts-daemon08:00:040
3240591120,3phc2sys0-21swapper/309:04:493
3240591120,2phc2sys0-21swapper/312:34:253
3240591120,2phc2sys0-21swapper/311:51:173
3240591120,2phc2sys0-21swapper/311:44:443
3240591120,1phc2sys0-21swapper/310:05:313
3240591120,1phc2sys0-21swapper/308:03:393
294026799128,2cyclictest0-21swapper/208:35:052
2940267991210,1cyclictest0-21swapper/212:20:082
2940267991210,1cyclictest0-21swapper/207:55:022
294026599129,2cyclictest268-21systemd-journal07:15:160
3240591111,2phc2sys0-21swapper/312:06:563
3240591111,2phc2sys0-21swapper/310:02:343
3240591110,2phc2sys0-21swapper/307:50:093
3240591110,2phc2sys0-21swapper/307:44:443
3240591110,2phc2sys0-21swapper/307:30:103
3240591110,1phc2sys0-21swapper/311:59:063
3240591110,1phc2sys0-21swapper/311:47:243
3240591110,1phc2sys0-21swapper/311:37:583
3240591110,1phc2sys0-21swapper/308:54:053
3240591110,1phc2sys0-21swapper/308:28:533
3240591110,1phc2sys0-21swapper/307:35:593
294026799119,1cyclictest0-21swapper/208:30:052
294026699119,1cyclictest617-21hwrng07:10:011
3240591104,2phc2sys0-21swapper/312:14:283
3240591103,2phc2sys0-21swapper/311:00:093
3240591102,2phc2sys0-21swapper/310:43:513
3240591101,2phc2sys0-21swapper/310:11:403
3240591101,2phc2sys0-21swapper/308:40:073
3240591101,2phc2sys0-21swapper/308:30:053
3240591101,2phc2sys0-21swapper/308:15:013
3240591101,2phc2sys0-21swapper/307:05:053
3240591100,3phc2sys0-21swapper/307:59:063
3240591100,2phc2sys0-21swapper/312:35:133
3240591100,2phc2sys0-21swapper/312:15:303
3240591100,2phc2sys0-21swapper/311:21:433
3240591100,2phc2sys0-21swapper/310:56:213
3240591100,2phc2sys0-21swapper/310:30:083
3240591100,1phc2sys0-21swapper/309:25:313
3240591100,1phc2sys0-21swapper/308:59:583
324059191,3phc2sys0-21swapper/308:10:013
324059191,2phc2sys0-21swapper/308:20:103
324059191,2phc2sys0-21swapper/307:20:123
324059190,2phc2sys0-21swapper/309:36:293
324059190,2phc2sys0-21swapper/309:20:103
324059190,2phc2sys0-21swapper/309:20:103
324059190,2phc2sys0-21swapper/309:05:033
324059190,2phc2sys0-21swapper/308:15:063
324059190,2phc2sys0-21swapper/307:49:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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