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2025-12-14 - 03:26
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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 rack2slot0.osadl.org (updated Sun Dec 14, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9582990,0sleep30-21swapper/323:04:433
145442790,0sleep20-21swapper/221:27:132
113332770,0sleep011301-21sshd00:37:350
21952750,2sleep02524599cyclictest22:41:490
115952740,2sleep32526699cyclictest22:51:173
168592710,0sleep00-21swapper/000:23:540
263142580,0sleep10-21swapper/100:21:541
177682540,0sleep00-21swapper/022:22:580
59622530,0sleep10-21swapper/123:05:091
13222530,0sleep30-21swapper/323:30:413
243722520,0sleep10-21swapper/122:37:561
248762510,1sleep324872-21lspci23:12:323
125782510,1sleep3401ktimersoftd/321:15:013
92532500,0sleep29211-21sshd23:31:252
247012500,0sleep10-21swapper/100:38:471
197822500,2sleep12525299cyclictest23:43:541
139412500,0sleep3391rcuc/322:09:073
6052490,0sleep0606-21bash23:45:050
36422490,0sleep10-21swapper/119:35:001
299952490,0sleep129996-21grep00:25:021
220202490,1sleep122019-21bash23:52:431
52612480,0sleep00-21swapper/000:34:150
248302480,0sleep024825-21sshd22:55:180
248302480,0sleep024825-21sshd22:55:170
202552480,0sleep20-21swapper/200:24:122
115482480,0sleep10-21swapper/122:54:061
63792470,0sleep10-21swapper/121:20:151
320862470,1sleep2311rcuc/200:08:022
297172470,0sleep1241ktimersoftd/123:18:461
244432470,0sleep224436-21sshd23:06:492
80412460,0sleep20-21swapper/219:46:532
33222460,0sleep00-21swapper/022:04:030
276992460,0sleep00-21swapper/021:55:310
241012400,0sleep00-21swapper/021:51:180
215232370,0sleep00-21swapper/021:35:430
2506023110,7sleep20-21swapper/219:09:112
233972237,11sleep30-21swapper/319:05:523
2345322211,7sleep00-21swapper/019:06:330
2333322210,7sleep10-21swapper/119:05:021
105302170,0sleep10-21swapper/123:48:491
219262160,0sleep0101ktimersoftd/023:29:380
51632150,0sleep15164-21tty21:52:481
317602150,1sleep031761-21sshd23:18:570
302082150,0sleep20-21swapper/223:10:092
300982150,0sleep30-21swapper/321:44:203
252912150,1sleep3401ktimersoftd/322:14:163
25245991514,0cyclictest26387-21lspci00:13:170
213752150,0sleep20-21swapper/200:18:352
127452150,0sleep3391rcuc/323:25:573
94292140,0sleep00-21swapper/021:20:540
92852140,0sleep10-21swapper/122:16:151
25252991413,0cyclictest0-21swapper/121:25:191
209542140,0sleep30-21swapper/323:52:373
199492140,0sleep00-21swapper/022:13:360
157302140,0sleep00-21swapper/022:16:580
146782140,0sleep10-21swapper/100:06:321
114212140,0sleep30-21swapper/321:53:343
296012130,0sleep329599-21sshd23:24:323
25245991313,0cyclictest32550irq/27-ahci[00022:05:300
25245991312,0cyclictest6067-21lspci23:51:210
2524599130,12cyclictest623-17sedispatch23:32:450
222352130,0sleep10-21swapper/121:35:491
204952130,0sleep00-21swapper/022:49:100
14642130,0sleep10-21swapper/122:21:341
57682120,0sleep30-21swapper/322:30:343
25266991210,1cyclictest0-21swapper/323:59:223
25266991210,1cyclictest0-21swapper/321:35:533
2526699120,1cyclictest23765-21sshd22:55:133
2526699120,1cyclictest23765-21sshd22:55:123
2526699120,11cyclictest9332-21sed19:47:023
25258991210,1cyclictest6581-21sshd22:00:402
25258991210,1cyclictest30996-21sshd21:05:292
25258991210,1cyclictest23218-21bash22:55:102
25258991210,1cyclictest23218-21bash22:55:092
2525899120,11cyclictest0-21swapper/222:50:192
25252991210,1cyclictest0-21swapper/100:34:191
2525299120,11cyclictest29460-21lspci21:40:291
25245991211,0cyclictest844-21lspci23:13:160
25245991211,0cyclictest30816-21lspci21:29:130
2526699119,1cyclictest0-21swapper/322:25:133
25266991110,0cyclictest0-21swapper/322:15:333
2526699110,10cyclictest13777-21lspci21:31:023
2526699110,10cyclictest10072-21bash21:21:033
2526699110,10cyclictest0-21swapper/321:45:533
2525899119,1cyclictest0-21swapper/222:45:092
2525899119,1cyclictest0-21swapper/221:15:292
25258991110,0cyclictest0-21swapper/223:54:302
25258991110,0cyclictest0-21swapper/222:25:302
25258991110,0cyclictest0-21swapper/221:30:392
2525899110,10cyclictest0-21swapper/222:35:292
2525899110,10cyclictest0-21swapper/220:50:002
2525899110,10cyclictest0-21swapper/200:04:292
2525899110,0cyclictest0-21swapper/221:55:492
2525899110,0cyclictest0-21swapper/221:00:002
2525299119,1cyclictest0-21swapper/122:59:491
2525299119,1cyclictest0-21swapper/122:59:481
25252991110,0cyclictest0-21swapper/122:40:091
25252991110,0cyclictest0-21swapper/121:45:181
2525299110,10cyclictest0-21swapper/100:19:291
2524599119,1cyclictest0-21swapper/022:27:140
25245991110,0cyclictest29430-21lspci00:02:000
25245991110,0cyclictest23301-21lspci23:21:070
25245991110,0cyclictest18149-21lspci23:55:170
25245991110,0cyclictest0-21swapper/021:46:340
2524599110,1cyclictest0-21swapper/000:28:140
2524599110,10cyclictest0-21swapper/021:00:050
2524599110,10cyclictest0-21swapper/000:07:550
160752110,2sleep12525299cyclictest22:01:491
2526699109,0cyclictest0-21swapper/323:09:423
2526699109,0cyclictest0-21swapper/322:35:123
2526699109,0cyclictest0-21swapper/322:00:433
2526699109,0cyclictest0-21swapper/321:25:533
2526699109,0cyclictest0-21swapper/320:45:333
2526699109,0cyclictest0-21swapper/300:19:033
2526699108,1cyclictest642-21systemd-logind00:33:533
2526699108,1cyclictest370-21jbd2/sda1-822:20:223
2526699108,1cyclictest0-21swapper/300:09:033
2526699100,0cyclictest0-21swapper/321:55:523
2526699100,0cyclictest0-21swapper/320:55:533
2526699100,0cyclictest0-21swapper/320:50:423
2526699100,0cyclictest0-21swapper/300:29:023
2525899109,0cyclictest18253-21sshd22:40:202
2525899109,0cyclictest0-21swapper/223:44:302
2525899109,0cyclictest0-21swapper/223:29:402
2525899109,0cyclictest0-21swapper/222:15:302
2525899109,0cyclictest0-21swapper/222:10:392
2525899109,0cyclictest0-21swapper/221:50:402
2525899109,0cyclictest0-21swapper/221:40:392
2525899109,0cyclictest0-21swapper/221:10:202
2525899109,0cyclictest0-21swapper/200:38:592
25258991010,0cyclictest0-21swapper/223:59:402
2525899100,9cyclictest0-21swapper/220:50:422
2525899100,0cyclictest0-21swapper/223:39:392
2525899100,0cyclictest0-21swapper/220:44:492
2525899100,0cyclictest0-21swapper/200:29:192
2525299109,0cyclictest0-21swapper/123:14:381
2525299109,0cyclictest0-21swapper/121:15:191
2525299109,0cyclictest0-21swapper/121:10:091
2525299109,0cyclictest0-21swapper/120:44:581
2525299100,0cyclictest0-21swapper/123:24:381
2524599109,0cyclictest30754-21lspci22:32:450
2524599100,1cyclictest131rcu_sched22:36:160
2524599100,1cyclictest131rcu_sched21:30:480
29934290,0sleep3391rcuc/322:41:243
252669998,0cyclictest0-21swapper/321:05:523
252669998,0cyclictest0-21swapper/320:05:033
252669997,1cyclictest16706-21lspci00:23:523
252589998,0cyclictest0-21swapper/223:19:402
252589998,0cyclictest0-21swapper/222:30:202
252589997,1cyclictest15188-21sshd22:05:302
252529998,0cyclictest0-21swapper/123:29:291
252529998,0cyclictest0-21swapper/122:30:091
252529998,0cyclictest0-21swapper/122:25:181
252529998,0cyclictest0-21swapper/122:05:191
252529998,0cyclictest0-21swapper/121:55:181
252529998,0cyclictest0-21swapper/121:30:081
252529998,0cyclictest0-21swapper/121:04:591
252529998,0cyclictest0-21swapper/120:59:481
252529998,0cyclictest0-21swapper/100:14:181
252529997,1cyclictest0-21swapper/123:04:391
252459999,0cyclictest32550irq/27-ahci[00023:43:060
252459998,0cyclictest0-21swapper/023:37:340
252459998,0cyclictest0-21swapper/021:41:050
252459998,0cyclictest0-21swapper/021:10:250
252459998,0cyclictest0-21swapper/021:05:140
252459998,0cyclictest0-21swapper/020:44:140
252459998,0cyclictest0-21swapper/020:09:550
252459997,1cyclictest9-21ksoftirqd/023:02:020
252459997,1cyclictest9-21ksoftirqd/022:52:010
252459990,1cyclictest131rcu_sched23:07:140
252669987,0cyclictest0-21swapper/321:15:523
252669987,0cyclictest0-21swapper/321:00:433
252669987,0cyclictest0-21swapper/319:19:533
252669986,1cyclictest2613-21lspci23:45:143
252669986,1cyclictest26056-21lspci00:13:143
252669985,2cyclictest660-21avahi-daemon23:35:213
252669985,2cyclictest660-21avahi-daemon23:16:203
252669984,3cyclictest674-21dbus-daemon00:39:163
252589986,1cyclictest20042-21bash22:20:192
252589986,1cyclictest14809-21lspci23:49:132
252589986,1cyclictest11898-21lspci00:11:592
252589985,2cyclictest12288-21sshd23:02:482
252529985,2cyclictest660-21avahi-daemon21:06:031
252529984,3cyclictest28464-21sshd23:30:141
252529984,3cyclictest26195-21sshd00:01:481
252459987,0cyclictest0-21swapper/020:54:350
252459987,0cyclictest0-21swapper/020:49:250
252459987,0cyclictest0-21swapper/019:52:540
252459980,7cyclictest26488-21kworker/0:000:17:420
252459980,4cyclictest19888-21perf20:15:000
7680270,0sleep3401ktimersoftd/322:45:073
252669975,1cyclictest660-21avahi-daemon23:40:423
252669974,2cyclictest660-21avahi-daemon20:41:373
252669974,2cyclictest660-21avahi-daemon00:01:563
252589976,1cyclictest30498-21lspci00:30:482
252589976,0cyclictest0-21swapper/223:24:292
252589976,0cyclictest0-21swapper/221:45:292
252589976,0cyclictest0-21swapper/221:35:302
252589970,6cyclictest15972-21grep21:22:022
252529975,1cyclictest674-21dbus-daemon23:55:291
252529975,1cyclictest660-21avahi-daemon20:29:591
252529974,1cyclictest29122-21sshd23:36:041
252529974,1cyclictest24252-21sshd22:10:201
252529973,3cyclictest649-21polkitd22:45:561
252529973,3cyclictest649-21polkitd20:50:341
252529973,1cyclictest0-21swapper/120:49:391
252459976,0cyclictest0-21swapper/021:15:350
252459975,1cyclictest660-21avahi-daemon20:55:460
252669965,0cyclictest0-21swapper/319:11:023
252669963,2cyclictest1002-21snmpd20:25:103
252669963,2cyclictest1002-21snmpd20:11:513
252669963,2cyclictest1002-21snmpd19:57:223
252669963,2cyclictest1002-21snmpd19:22:113
252669960,5cyclictest32083-21sshd19:25:103
252669960,5cyclictest0-21swapper/320:39:423
252669960,5cyclictest0-21swapper/320:31:133
252669960,5cyclictest0-21swapper/319:37:323
252589964,1cyclictest660-21avahi-daemon21:00:052
252589964,1cyclictest2320-21cut19:31:572
252589960,5cyclictest0-21swapper/220:17:592
252529965,0cyclictest0-21swapper/119:36:581
252529963,2cyclictest1002-21snmpd20:17:481
252529960,5cyclictest0-21swapper/120:03:281
252529960,0cyclictest0-21swapper/119:46:091
252459965,0cyclictest0-21swapper/020:37:050
252459963,2cyclictest674-21dbus-daemon19:50:000
252459963,2cyclictest1002-21snmpd19:43:240
252459963,2cyclictest1002-21snmpd19:23:300
252459960,5cyclictest0-21swapper/019:19:340
252459960,5cyclictest0-21swapper/019:11:040
252459960,2cyclictest445-21systemd-journal20:29:590
252669953,1cyclictest1002-21snmpd20:20:163
252669953,1cyclictest1002-21snmpd20:19:583
252669953,1cyclictest1002-21snmpd20:01:303
252669953,1cyclictest1002-21snmpd19:52:303
252669953,1cyclictest1002-21snmpd19:41:123
252669953,1cyclictest1002-21snmpd19:32:033
252589954,0cyclictest0-21swapper/219:57:592
252589954,0cyclictest0-21swapper/219:37:582
252589953,1cyclictest1002-21snmpd20:37:322
252589953,1cyclictest1002-21snmpd20:26:012
252589953,1cyclictest1002-21snmpd20:21:102
252589953,1cyclictest1002-21snmpd20:10:242
252589953,1cyclictest1002-21snmpd20:06:282
252589953,1cyclictest1002-21snmpd20:00:362
252589953,1cyclictest1002-21snmpd19:54:492
252589953,1cyclictest1002-21snmpd19:20:162
252589953,1cyclictest1002-21snmpd19:15:082
252589953,1cyclictest1002-21snmpd19:11:102
252589952,2cyclictest26341-21taskset20:31:452
252589952,2cyclictest1002-21snmpd19:25:482
252589950,4cyclictest5910-21sshd19:40:572
252529954,0cyclictest0-21swapper/120:38:291
252529954,0cyclictest0-21swapper/120:20:491
252529953,1cyclictest32713-21cat19:26:551
252529953,1cyclictest1002-21snmpd20:32:381
252529953,1cyclictest1002-21snmpd20:06:041
252529953,1cyclictest1002-21snmpd19:50:201
252529953,1cyclictest1002-21snmpd19:42:511
252529952,2cyclictest1002-21snmpd19:16:081
252529950,4cyclictest25570-21/usr/sbin/munin19:12:071
252529950,1cyclictest30186-21/usr/sbin/munin19:22:011
252529950,1cyclictest0-21swapper/120:11:581
252459953,1cyclictest649-21polkitd19:55:000
252459953,1cyclictest649-21polkitd19:34:590
252459953,1cyclictest32709-21cat19:26:550
252459953,1cyclictest1082-21lldpd20:20:010
252459953,1cyclictest1002-21snmpd20:15:210
252459952,2cyclictest29979-21gdbus19:35:000
252459950,4cyclictest0-21swapper/020:01:440
252529942,1cyclictest0-21swapper/119:56:521
252459943,0cyclictest1002-21snmpd20:30:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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