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2026-09-06 - 11:18
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot3.osadl.org (updated Sun Sep 06, 2026 00:46:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30549501100irq/53-eth0-rx-0-21swapper/119:09:371
29665210894sleep20-21swapper/219:05:504
26866210794sleep100-21swapper/1019:05:112
29763210694sleep40-21swapper/419:07:056
3054950910irq/53-eth0-rx-0-21swapper/919:08:2911
3054950900irq/53-eth0-rx-0-21swapper/319:05:235
2964528979sleep00-21swapper/019:05:360
3054950870irq/53-eth0-rx-0-21swapper/519:07:267
3054950840irq/53-eth0-rx-0-21swapper/719:07:459
3054950740irq/53-eth0-rx-0-21swapper/1119:07:563
119150700irq/18-parport00-21swapper/819:09:5210
2686225955sleep60-21swapper/619:05:068
3054950280irq/53-eth0-rx-0-21swapper/1019:17:162
3018299200cyclictest0-21swapper/1121:08:423
30164992018cyclictest22072-21diskmemload21:43:055
30164992018cyclictest1298-21cpuspeed_turbos22:10:145
3055050190irq/54-eth0-tx-0-21swapper/021:26:100
3018299190cyclictest0-21swapper/1122:24:443
3018199192cyclictest3055050irq/54-eth0-tx-22:31:372
3018199192cyclictest3055050irq/54-eth0-tx-22:31:372
3018199192cyclictest3054950irq/53-eth0-rx-23:38:042
3018199192cyclictest3054950irq/53-eth0-rx-23:34:002
3018199192cyclictest3054950irq/53-eth0-rx-23:06:242
3018199192cyclictest3054950irq/53-eth0-rx-21:25:342
3018199192cyclictest3054950irq/53-eth0-rx-21:24:122
3018199192cyclictest3054950irq/53-eth0-rx-19:20:162
3018199192cyclictest3054950irq/53-eth0-rx-00:31:202
3018199192cyclictest3054950irq/53-eth0-rx-00:28:212
3018199192cyclictest3054950irq/53-eth0-rx-00:24:412
3018099192cyclictest0-21swapper/923:59:0611
3018099192cyclictest0-21swapper/923:16:2411
3018099192cyclictest0-21swapper/921:52:3011
3018099192cyclictest0-21swapper/921:33:4211
3018099192cyclictest0-21swapper/921:20:4111
30164991918cyclictest22072-21diskmemload22:55:105
30164991917cyclictest22072-21diskmemload00:03:345
30164991917cyclictest12735-21fschecks_time20:55:145
30181991817cyclictest0-21swapper/1022:10:472
30181991817cyclictest0-21swapper/1021:55:112
30181991817cyclictest0-21swapper/1021:10:422
30181991817cyclictest0-21swapper/1000:10:482
30181991816cyclictest7663-21kworker/10:123:52:002
3018199181cyclictest3055050irq/54-eth0-tx-23:55:172
3018199181cyclictest3055050irq/54-eth0-tx-21:50:442
3018199181cyclictest3055050irq/54-eth0-tx-21:40:472
3018199181cyclictest3055050irq/54-eth0-tx-21:35:362
3018199181cyclictest3055050irq/54-eth0-tx-19:39:582
3018199181cyclictest3055050irq/54-eth0-tx-19:39:572
3018199181cyclictest3055050irq/54-eth0-tx-00:04:302
3018199181cyclictest3054950irq/53-eth0-rx-23:46:382
3018199181cyclictest3054950irq/53-eth0-rx-23:42:342
3018199181cyclictest3054950irq/53-eth0-rx-23:20:022
3018199181cyclictest3054950irq/53-eth0-rx-23:15:252
3018199181cyclictest3054950irq/53-eth0-rx-22:57:182
3018199181cyclictest3054950irq/53-eth0-rx-22:50:112
3018199181cyclictest3054950irq/53-eth0-rx-22:47:172
3018199181cyclictest3054950irq/53-eth0-rx-22:42:282
3018199181cyclictest3054950irq/53-eth0-rx-22:25:482
3018199181cyclictest3054950irq/53-eth0-rx-22:23:552
3018199181cyclictest3054950irq/53-eth0-rx-22:18:372
3018199181cyclictest3054950irq/53-eth0-rx-22:18:362
3018199181cyclictest3054950irq/53-eth0-rx-22:09:042
3018199181cyclictest3054950irq/53-eth0-rx-22:09:042
3018199181cyclictest3054950irq/53-eth0-rx-21:49:122
3018199181cyclictest3054950irq/53-eth0-rx-21:19:362
3018199181cyclictest3054950irq/53-eth0-rx-20:44:352
3018199181cyclictest3054950irq/53-eth0-rx-19:10:282
3018199181cyclictest3054950irq/53-eth0-rx-19:10:272
3018199181cyclictest3054950irq/53-eth0-rx-00:37:462
3018199181cyclictest3054950irq/53-eth0-rx-00:17:112
3018199181cyclictest3054950irq/53-eth0-rx-00:06:452
3018199181cyclictest12250irq/42-ahci22:39:442
3018199181cyclictest12250irq/42-ahci20:18:402
3018199181cyclictest12250irq/42-ahci20:09:002
3018199181cyclictest114150irq/18-i801_smb21:30:262
30180991816cyclictest4273-21ssh22:10:4611
3018099181cyclictest9929-21ssh22:41:2211
3018099181cyclictest9889-21ssh23:07:5111
3018099181cyclictest8581-21latency_hist00:25:0111
3018099181cyclictest761ksoftirqd/900:00:2011
3018099181cyclictest23139-21perl20:25:1611
3018099181cyclictest0-21swapper/923:52:2011
3018099181cyclictest0-21swapper/923:45:3011
3018099181cyclictest0-21swapper/923:36:3811
3018099181cyclictest0-21swapper/923:25:1811
3018099181cyclictest0-21swapper/923:00:1311
3018099181cyclictest0-21swapper/922:59:5011
3018099181cyclictest0-21swapper/922:16:4911
3018099181cyclictest0-21swapper/922:16:4811
3018099181cyclictest0-21swapper/921:56:5211
3018099181cyclictest0-21swapper/921:01:4311
3018099181cyclictest0-21swapper/920:52:3411
3018099181cyclictest0-21swapper/900:39:0611
3018099181cyclictest0-21swapper/900:30:0411
3018099181cyclictest0-21swapper/900:21:0511
3018099181cyclictest0-21swapper/900:05:2611
30176991816cyclictest29896-21qemu-kvm19:41:417
30176991816cyclictest29896-21qemu-kvm19:41:417
30164991817cyclictest5540-21munin-node23:05:235
30164991817cyclictest22072-21diskmemload23:55:595
30164991816cyclictest2699-21runrttasks21:09:155
30157991816cyclictest8119-21snmp_rack3slot923:31:354
30157991816cyclictest2925-21snmp_rack3slot919:56:494
30157991816cyclictest2305-21snmpd21:37:544
30157991816cyclictest12121-21iostat_ios19:25:174
3018199170cyclictest52982sleep1020:00:152
3018199170cyclictest316842sleep1019:52:152
3018199170cyclictest3055050irq/54-eth0-tx-23:25:352
3018199170cyclictest3054950irq/53-eth0-rx-23:10:202
3018199170cyclictest3054950irq/53-eth0-rx-23:00:072
3018199170cyclictest3054950irq/53-eth0-rx-22:00:012
3018199170cyclictest3054950irq/53-eth0-rx-21:00:462
3018199170cyclictest3054950irq/53-eth0-rx-20:56:212
3018199170cyclictest3054950irq/53-eth0-rx-20:50:152
3018199170cyclictest3054950irq/53-eth0-rx-20:45:442
3018199170cyclictest3054950irq/53-eth0-rx-20:35:082
3018199170cyclictest3054950irq/53-eth0-rx-20:31:262
3018199170cyclictest3054950irq/53-eth0-rx-20:25:272
3018199170cyclictest3054950irq/53-eth0-rx-20:20:142
3018199170cyclictest3054950irq/53-eth0-rx-20:12:402
3018199170cyclictest3054950irq/53-eth0-rx-19:31:452
3018199170cyclictest242452sleep1019:40:392
3018199170cyclictest242452sleep1019:40:382
3018199170cyclictest134052sleep1019:26:492
3018199170cyclictest12250irq/42-ahci21:05:182
3018199170cyclictest12250irq/42-ahci19:55:192
3018199170cyclictest12250irq/42-ahci19:47:252
30180991715cyclictest4702-21ssh22:38:0611
30180991715cyclictest2173-21needreboot19:15:0211
3018099170cyclictest761ksoftirqd/922:25:1311
3018099170cyclictest761ksoftirqd/921:15:2611
3018099170cyclictest761ksoftirqd/920:20:0211
3018099170cyclictest761ksoftirqd/919:40:0111
3018099170cyclictest761ksoftirqd/919:40:0011
3018099170cyclictest3054950irq/53-eth0-rx-22:53:3211
3018099170cyclictest3054950irq/53-eth0-rx-22:00:3011
3018099170cyclictest1653-21ssh00:19:4411
3018099170cyclictest0-21swapper/923:41:4211
3018099170cyclictest0-21swapper/921:35:1211
3018099170cyclictest0-21swapper/921:25:2811
3018099170cyclictest0-21swapper/919:30:1411
30176991715cyclictest29897-21qemu-kvm19:47:277
30164991716cyclictest22072-21diskmemload23:42:505
30164991716cyclictest22072-21diskmemload22:19:335
30164991716cyclictest22072-21diskmemload22:19:335
30157991715cyclictest32587-21snmp_rack3slot900:17:124
30157991715cyclictest2305-21snmpd21:26:244
30157991715cyclictest2305-21snmpd00:36:094
30157991715cyclictest2305-21snmpd00:11:294
30157991715cyclictest15422-21snmp_rack3slot919:30:154
30157991715cyclictest14585-21snmp_rack3slot923:36:564
30140991714cyclictest0-21swapper/022:45:380
30182991615cyclictest64142chrt21:21:263
30180991615cyclictest761ksoftirqd/923:33:1511
30180991615cyclictest761ksoftirqd/920:40:1111
30180991615cyclictest761ksoftirqd/919:10:1511
30180991615cyclictest761ksoftirqd/919:10:1411
30180991615cyclictest23203-21expr21:10:1111
30180991615cyclictest19676-1kworker/9:0H20:06:4811
30180991615cyclictest0-21swapper/923:20:3511
30180991615cyclictest0-21swapper/922:46:4111
30180991615cyclictest0-21swapper/922:31:1511
30180991615cyclictest0-21swapper/922:31:1411
30180991615cyclictest0-21swapper/922:20:0511
30180991615cyclictest0-21swapper/922:05:0411
30180991615cyclictest0-21swapper/922:05:0411
30180991615cyclictest0-21swapper/921:46:5711
30180991615cyclictest0-21swapper/921:44:3811
30180991615cyclictest0-21swapper/920:30:1411
30180991615cyclictest0-21swapper/919:58:2311
30180991615cyclictest0-21swapper/919:53:0511
30180991615cyclictest0-21swapper/919:50:0211
30180991615cyclictest0-21swapper/900:10:1511
3017999165cyclictest0-21swapper/822:05:0210
3017999165cyclictest0-21swapper/822:05:0110
30176991615cyclictest29896-21qemu-kvm19:24:367
30176991614cyclictest29897-21qemu-kvm19:10:147
30176991614cyclictest29897-21qemu-kvm19:10:137
30157991615cyclictest8644-21ssh23:05:464
30157991614cyclictest369-21snmp_rack3slot923:51:004
30157991614cyclictest2305-21snmpd20:26:234
30157991614cyclictest17607-21ntp_states21:30:244
30157991614cyclictest10778-21snmp_rack3slot920:51:264
3018299154cyclictest0-21swapper/1123:25:003
3018299150cyclictest0-21swapper/1119:25:563
3018099154cyclictest0-21swapper/923:15:0011
30180991514cyclictest761ksoftirqd/920:45:1911
30180991514cyclictest761ksoftirqd/919:40:1211
30180991514cyclictest761ksoftirqd/919:40:1111
30180991514cyclictest761ksoftirqd/919:25:2011
3017999154cyclictest0-21swapper/821:38:5310
3017999154cyclictest0-21swapper/821:15:0110
3017999154cyclictest0-21swapper/820:10:0110
3017999154cyclictest0-21swapper/800:30:0110
30178991514cyclictest12250irq/42-ahci19:17:119
3017899150cyclictest0-21swapper/722:02:029
30176991514cyclictest29897-21qemu-kvm19:36:447
30176991514cyclictest29897-21qemu-kvm19:36:437
30176991514cyclictest29897-21qemu-kvm19:18:007
30176991513cyclictest29897-21qemu-kvm19:28:567
3017699150cyclictest0-21swapper/523:15:397
3017699150cyclictest0-21swapper/521:52:157
3017699150cyclictest0-21swapper/500:05:127
30164991514cyclictest29708-21fschecks_count19:50:165
3016499150cyclictest0-21swapper/322:08:565
3016499150cyclictest0-21swapper/322:08:555
3016499150cyclictest0-21swapper/322:00:185
30157991513cyclictest31485-21diskstats23:25:134
30157991513cyclictest17248-21snmp_rack3slot923:40:114
30157991513cyclictest16079-21diskstats21:00:124
3015799150cyclictest0-21swapper/222:05:094
3015799150cyclictest0-21swapper/222:05:084
3014099150cyclictest0-21swapper/020:50:240
12250150irq/42-ahci0-21swapper/419:17:236
5999140watchdog/70-21swapper/700:39:439
3054950140irq/53-eth0-rx-0-21swapper/319:17:085
3054950140irq/53-eth0-rx-0-21swapper/022:22:500
30182991413cyclictest3054950irq/53-eth0-rx-20:30:143
30182991412cyclictest97272sleep1119:21:243
3018099144cyclictest0-21swapper/920:15:0111
30180991413cyclictest761ksoftirqd/921:05:1411
30180991413cyclictest0-21swapper/920:58:2011
30180991413cyclictest0-21swapper/920:00:1111
30180991413cyclictest0-21swapper/919:23:2511
3017999145cyclictest0-21swapper/820:45:0110
3017999145cyclictest0-21swapper/819:30:0210
3017999144cyclictest0-21swapper/823:30:0210
3017999144cyclictest0-21swapper/823:05:0210
3017999144cyclictest0-21swapper/822:18:3510
3017999144cyclictest0-21swapper/822:18:3410
3017999144cyclictest0-21swapper/820:40:0010
3017999144cyclictest0-21swapper/820:35:0010
3017999144cyclictest0-21swapper/820:05:0010
3017699148cyclictest0-21swapper/521:55:067
30176991413cyclictest29598-21munin-node23:50:257
3017699140cyclictest0-21swapper/522:50:327
3017699140cyclictest0-21swapper/522:45:207
3017699140cyclictest0-21swapper/522:13:067
3017699140cyclictest0-21swapper/521:45:267
3017699140cyclictest0-21swapper/521:39:327
3017699140cyclictest0-21swapper/521:13:307
30164991413cyclictest27248-21if_tap020:30:175
30164991410cyclictest16212-21open_files19:30:205
30157991412cyclictest2749-21snmp_rack3slot923:01:264
3014099140cyclictest0-21swapper/021:30:250
14750140irq/18-uhci_hcd0-21swapper/021:45:180
13450140irq/18-ehci_hcd0-21swapper/023:30:370
12250140irq/42-ahci0-21swapper/119:17:101
3018299134cyclictest0-21swapper/1100:07:233
3018299133cyclictest0-21swapper/1123:10:593
3018299133cyclictest0-21swapper/1123:02:243
3018299133cyclictest0-21swapper/1122:43:093
3018299133cyclictest0-21swapper/1122:39:283
3018299133cyclictest0-21swapper/1122:05:583
3018299133cyclictest0-21swapper/1122:05:573
3018299133cyclictest0-21swapper/1121:55:573
3018299133cyclictest0-21swapper/1121:41:533
3018299133cyclictest0-21swapper/1121:31:573
3018299133cyclictest0-21swapper/1121:26:263
3018299133cyclictest0-21swapper/1121:00:573
3018299133cyclictest0-21swapper/1120:52:583
3018299133cyclictest0-21swapper/1120:41:383
3018299133cyclictest0-21swapper/1120:35:583
3018299133cyclictest0-21swapper/1119:31:533
30182991312cyclictest0-21swapper/1120:13:133
3018099133cyclictest0-21swapper/920:38:2311
30180991312cyclictest0-21swapper/920:16:0011
3017999134cyclictest0-21swapper/823:50:0010
3017999134cyclictest0-21swapper/822:46:0910
3017999134cyclictest0-21swapper/822:30:0110
3017999134cyclictest0-21swapper/822:30:0010
3017999134cyclictest0-21swapper/822:20:0110
3017999134cyclictest0-21swapper/820:20:0210
3017999134cyclictest0-21swapper/820:15:0010
3017999133cyclictest0-21swapper/823:41:2910
3017999133cyclictest0-21swapper/823:36:5310
3017999133cyclictest0-21swapper/823:00:2910
3017999133cyclictest0-21swapper/822:59:5810
3017999133cyclictest0-21swapper/822:52:5810
3017999133cyclictest0-21swapper/822:27:5310
3017999133cyclictest0-21swapper/822:12:2410
3017999133cyclictest0-21swapper/821:59:3310
3017999133cyclictest0-21swapper/821:49:2710
3017999133cyclictest0-21swapper/821:44:5410
3017999133cyclictest0-21swapper/821:20:5310
3017999133cyclictest0-21swapper/821:00:2810
3017999133cyclictest0-21swapper/820:50:3910
3017999133cyclictest0-21swapper/820:27:3210
3017999133cyclictest0-21swapper/820:05:5210
3017999133cyclictest0-21swapper/819:37:2310
3017999133cyclictest0-21swapper/819:37:2310
3017999133cyclictest0-21swapper/819:22:5610
3017999133cyclictest0-21swapper/819:16:3810
3017999133cyclictest0-21swapper/819:10:0110
3017999133cyclictest0-21swapper/819:10:0010
3017999133cyclictest0-21swapper/800:35:1910
3017999133cyclictest0-21swapper/800:25:0010
3017999133cyclictest0-21swapper/800:10:5810
30179991312cyclictest31547-21smartctl20:35:2410
3017699137cyclictest0-21swapper/523:02:467
3017699134cyclictest0-21swapper/519:53:067
3017699130cyclictest29897-21qemu-kvm19:30:137
3017699130cyclictest0-21swapper/523:45:487
3017699130cyclictest0-21swapper/523:06:427
3017699130cyclictest0-21swapper/522:09:187
3017699130cyclictest0-21swapper/522:09:177
3017699130cyclictest0-21swapper/521:26:427
3017699130cyclictest0-21swapper/520:57:007
3017699130cyclictest0-21swapper/520:41:247
3017699130cyclictest0-21swapper/519:58:167
3016999130cyclictest0-21swapper/423:50:346
3016499133cyclictest0-21swapper/319:10:175
3016499133cyclictest0-21swapper/319:10:165
3016499132cyclictest0-21swapper/323:39:125
30157991312cyclictest21005-21ssh00:08:494
3015799130cyclictest0-21swapper/222:45:204
3014099130cyclictest0-21swapper/023:25:360
3014099130cyclictest0-21swapper/022:25:240
3014099130cyclictest0-21swapper/021:35:160
3014099130cyclictest0-21swapper/021:20:240
3014099130cyclictest0-21swapper/020:40:220
13450130irq/18-ehci_hcd0-21swapper/020:05:030
5499120migration/616857-21gltestperf21:30:188
3899120watchdog/40-21swapper/420:32:126
3018299124cyclictest0-21swapper/1100:30:013
3018299123cyclictest0-21swapper/1123:50:243
3018299123cyclictest0-21swapper/1122:00:353
3018299123cyclictest0-21swapper/1119:51:533
3018299123cyclictest0-21swapper/1100:22:353
3018299122cyclictest0-21swapper/1123:58:253
3018299122cyclictest0-21swapper/1123:30:293
3018299122cyclictest0-21swapper/1123:19:583
3018299122cyclictest0-21swapper/1122:58:283
3018299122cyclictest0-21swapper/1122:52:283
3018299122cyclictest0-21swapper/1122:34:363
3018299122cyclictest0-21swapper/1122:34:353
3018299122cyclictest0-21swapper/1121:13:583
3018299122cyclictest0-21swapper/1120:46:083
3018299122cyclictest0-21swapper/1120:27:583
3018299122cyclictest0-21swapper/1120:16:273
3018299122cyclictest0-21swapper/1120:07:263
3018299122cyclictest0-21swapper/1119:44:233
3018299122cyclictest0-21swapper/1119:44:223
3018299122cyclictest0-21swapper/1100:26:363
3018299122cyclictest0-21swapper/1100:17:293
30182991210cyclictest15074-21python22:45:263
3017999124cyclictest0-21swapper/800:05:0110
3017999123cyclictest0-21swapper/821:30:0110
3017999123cyclictest0-21swapper/819:48:5610
3017999123cyclictest0-21swapper/819:30:0110
3017999123cyclictest0-21swapper/800:20:5510
3017999122cyclictest0-21swapper/823:47:5210
3017999122cyclictest0-21swapper/823:16:5810
3017999122cyclictest0-21swapper/822:35:2910
3017999122cyclictest0-21swapper/821:50:5810
3017999122cyclictest0-21swapper/820:58:5710
3017999122cyclictest0-21swapper/800:00:5810
3017699128cyclictest0-21swapper/523:42:077
3017699128cyclictest0-21swapper/500:35:277
3017699126cyclictest31780-21qemu-kvm22:24:417
3017699126cyclictest22072-21diskmemload23:32:237
3017699126cyclictest0-21swapper/522:40:117
3017699126cyclictest0-21swapper/522:26:187
3017699126cyclictest0-21swapper/521:41:047
3017699126cyclictest0-21swapper/520:05:257
3017699126cyclictest0-21swapper/500:31:247
3017699126cyclictest0-21swapper/500:26:257
3017699124cyclictest0-21swapper/520:50:197
3017699123cyclictest22072-21diskmemload00:14:187
3017699123cyclictest10415-21qemu-kvm20:35:147
3017699122cyclictest2366-21lldpd22:33:297
3017699122cyclictest2366-21lldpd22:33:297
3017699122cyclictest2276-21nscd00:15:197
3017699122cyclictest10416-21qemu-kvm20:31:047
3017699121cyclictest31780-21qemu-kvm22:35:167
3017699121cyclictest21923-21qemu-kvm21:20:167
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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