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Message-ID: <4A43F8F0.3060309@itcare.pl>
Date: Fri, 26 Jun 2009 00:23:44 +0200
From: Paweł Staszewski <pstaszewski@...are.pl>
To: Eric Dumazet <eric.dumazet@...il.com>
CC: Linux Network Development list <netdev@...r.kernel.org>
Subject: Re: weird problem
Thanks for reply
Yes i will try 2.6.31-rc1
but i make this on my one of failover machines 5 min ago with the same
config that was working with 2.6.30 ......
...... and now i have one failover router less :) kernel panic after
reboot and maybee one second of traffic on kernel-2.6.31-rc1 :)
My .config is in attachement.
I will make more work to check this at the day.
Regards
Paweł Staszewski
Eric Dumazet pisze:
> Paweł Staszewski a écrit :
>
>> Ok
>>
>> After this day of observation im near 100% sure that this cpu load is
>> made by route cahce flushes
>> When route cache increase to its "net.ipv4.route.gc_thresh" size or is
>> near that size
>> system is starting to drop some routes from cache then cpu load is
>> increase from 2% to near 80%
>> after cleaning / flush cache when cache is filling cpu load is again
>> normal 2%
>>
>> Someone know how to resolve this ?
>> on kernels < 2.6.29 i don't see this, all start after upgrade from
>> 2.6.28 to 2.6.29 - then i try 2.6.29.1 , 2.6.29.3 and 2.6.30 and on all
>> this kernels >= 2.6.29 problem with cpu load is the same.
>>
>> I can minimize this cpu fluctuations by changing of route cache /proc
>> parameters but the best result for my router was
>>
>> 15 sec of 2% cpu
>> and after
>> 15sec of 80% cpu
>>
>>
>> Regards
>> Pawel Staszewski
>>
>
>
> I believe this is known 2.6.29 regressions
>
> Following two commits should correct the problem you have
>
> Your best bet would be to try 2.6.31-rc1, and tell us if this recent kernel
> is ok on your machine ?
>
>
>
> commit 1ddbcb005c395518c2cd0df504cff3d4b5c85853
> Author: Eric Dumazet <dada1@...mosbay.com>
> Date: Tue May 19 20:14:28 2009 +0000
>
> net: fix rtable leak in net/ipv4/route.c
>
> Alexander V. Lukyanov found a regression in 2.6.29 and made a complete
> analysis found in http://bugzilla.kernel.org/show_bug.cgi?id=13339
> Quoted here because its a perfect one :
>
> begin_of_quotation
> 2.6.29 patch has introduced flexible route cache rebuilding. Unfortunately the
> patch has at least one critical flaw, and another problem.
>
> rt_intern_hash calculates rthi pointer, which is later used for new entry
> insertion. The same loop calculates cand pointer which is used to clean the
> list. If the pointers are the same, rtable leak occurs, as first the cand is
> removed then the new entry is appended to it.
>
> This leak leads to unregister_netdevice problem (usage count > 0).
>
> Another problem of the patch is that it tries to insert the entries in certain
> order, to facilitate counting of entries distinct by all but QoS parameters.
> Unfortunately, referencing an existing rtable entry moves it to list beginning,
> to speed up further lookups, so the carefully built order is destroyed.
>
> For the first problem the simplest patch it to set rthi=0 when rthi==cand, but
> it will also destroy the ordering.
> end_of_quotation
>
> Problematic commit is 1080d709fb9d8cd4392f93476ee46a9d6ea05a5b
> (net: implement emergency route cache rebulds when gc_elasticity is exceeded)
>
> Trying to keep dst_entries ordered is too complex and breaks the fact that
> order should depend on the frequency of use for garbage collection.
>
> A possible fix is to make rt_intern_hash() simpler, and only makes
> rt_check_expire() a litle bit smarter, being able to cope with an arbitrary
> entries order. The added loop is running on cache hot data, while cpu
> is prefetching next object, so should be unnoticied.
>
> Reported-and-analyzed-by: Alexander V. Lukyanov <lav@....ru>
>
> commit cf8da764fc6959b7efb482f375dfef9830e98205
> Author: Eric Dumazet <dada1@...mosbay.com>
> Date: Tue May 19 18:54:22 2009 +0000
>
> net: fix length computation in rt_check_expire()
>
> rt_check_expire() computes average and standard deviation of chain lengths,
> but not correclty reset length to 0 at beginning of each chain.
> This probably gives overflows for sum2 (and sum) on loaded machines instead
> of meaningful results.
>
> Signed-off-by: Eric Dumazet <dada1@...mosbay.com>
> Acked-by: Neil Horman <nhorman@...driver.com>
> Signed-off-by: David S. Miller <davem@...emloft.net>
>
>
>
>
>>
>> Paweł Staszewski pisze:
>>
>>> Another info
>>>
>>> i look at some stats from rtstats and mpstat and try to join them
>>> together and here is output:
>>> 19:06:50 CPU %usr %nice %sys %iowait %irq %soft
>>> %steal %guest %idle rt_cache entries
>>> 19:07:01 all 0.00 0.00 0.12 0.00 0.59 12.00
>>> 0.00 0.00 87.29 77726
>>> 19:07:02 all 0.00 0.00 0.12 0.00 0.49 6.11
>>> 0.00 0.00 93.28 80127
>>> 19:07:03 all 0.00 0.00 0.00 0.00 0.11 1.06
>>> 0.00 0.00 98.84 82596
>>> 19:07:04 all 0.00 0.00 0.16 0.00 0.00 2.07
>>> 0.00 0.00 97.77 85147
>>> 19:07:05 all 0.00 0.00 0.00 0.00 0.12 1.81
>>> 0.00 0.00 98.07 87641
>>> 19:07:06 all 0.00 0.00 0.00 0.00 0.27 1.50
>>> 0.00 0.00 98.22 90085
>>> 19:07:07 all 0.00 0.00 0.00 0.00 0.23 1.72
>>> 0.00 0.00 98.05 93586
>>> 19:07:08 all 0.00 0.00 0.00 0.00 0.00 1.56
>>> 0.00 0.00 98.44 96865
>>> 19:07:09 all 0.00 0.00 0.00 0.00 0.00 1.45
>>> 0.00 0.00 98.55 99803
>>> 19:07:10 all 0.00 0.00 0.00 0.00 0.27 1.65
>>> 0.00 0.00 98.08 102123
>>> 19:07:11 all 0.00 0.00 0.10 0.00 0.30 4.07
>>> 0.00 0.00 95.54 104618
>>> 19:07:12 all 0.00 0.00 0.00 0.00 1.30 18.96
>>> 0.00 0.00 79.74 105524
>>> 19:07:13 all 0.00 0.00 0.00 0.00 0.84 13.58
>>> 0.00 0.00 85.58 101085
>>> 19:07:14 all 0.00 0.00 0.00 0.00 1.36 20.45
>>> 0.00 0.00 78.18 97518
>>> 19:07:15 all 0.00 0.00 0.00 0.00 0.98 15.89
>>> 0.00 0.00 83.13 94308
>>> 19:07:16 all 0.00 0.00 0.00 0.00 1.32 17.00
>>> 0.00 0.00 81.69 91811
>>> 19:07:17 all 0.00 0.00 0.00 0.00 0.67 14.57
>>> 0.00 0.00 84.75 92278
>>> 19:07:18 all 0.00 0.00 0.00 0.00 1.51 17.40
>>> 0.00 0.00 81.10 90936
>>> 19:07:19 all 0.00 0.00 0.00 0.00 1.24 13.46
>>> 0.00 0.00 85.29 87951
>>> 19:07:20 all 0.00 0.00 0.14 0.00 0.99 18.75
>>> 0.00 0.00 80.11 85071
>>> 19:07:21 all 0.00 0.00 0.00 0.00 0.84 15.20
>>> 0.00 0.00 83.96 82477
>>> 19:07:22 all 0.40 0.00 0.00 0.00 1.71 17.65
>>> 0.00 0.00 80.24 80301
>>> 19:07:23 all 0.00 0.00 0.11 0.00 1.08 13.33
>>> 0.00 0.00 85.48 78480
>>> 19:07:24 all 0.00 0.00 0.00 0.00 0.87 19.25
>>> 0.00 0.00 79.88 76880
>>>
>>> When cpu load is rising rt cache entries are decreasing
>>> and when cpu load is from 1 do 3% rt cache entries are increasing
>>>
>>> some sysctl-s that i have and are route cache specific:
>>> net.ipv4.route.gc_thresh = 190536
>>> net.ipv4.route.gc_min_interval = 0
>>> net.ipv4.route.gc_min_interval_ms = 0
>>> net.ipv4.route.gc_timeout = 15
>>> net.ipv4.route.gc_interval = 1
>>> net.ipv4.route.gc_elasticity = 4
>>>
>>>
>>>
>>>
>>> Paweł Staszewski pisze:
>>>
>>>> oprofile output per cpu
>>>> CPU: Core 2, speed 3000.08 MHz (estimated)
>>>> Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a
>>>> unit mask of 0x00 (Unhalted core cycles) count 100000
>>>> Samples on CPU 0
>>>> Samples on CPU 1
>>>> Samples on CPU 2
>>>> Samples on CPU 3
>>>> Samples on CPU 4
>>>> Samples on CPU 5
>>>> Samples on CPU 6
>>>> Samples on CPU 7
>>>> Samples on CPU all
>>>> samples % samples % samples % samples
>>>> % samples % samples % samples %
>>>> samples % samples %
>>>> image name app name symbol name
>>>> 29520 21.7362 0 0 0 0 0
>>>> 0 0 0 0 0 9571 34.0254
>>>> 0 0 4701 0.22
>>>> 55 oprofiled oprofiled (no symbols)
>>>> 18441 13.5785 0 0 0 0 0
>>>> 0 0 0 0 0 0 0
>>>> 0 0 2666 0.12
>>>> 79 vmlinux vmlinux rt_worker_func
>>>> 18428 13.5690 132089 2.1756 135138 1.4238 21735
>>>> 42.7703 775 1.9819 893 5.3180 847 3.0111
>>>> 1056 3.3130 37949 1.82
>>>> 01 vmlinux vmlinux mwait_idle
>>>> 15797 11.6317 212 0.0035 2879 0.0303 17
>>>> 0.0335 2 0.0051 4 0.0238 14 0.0498
>>>> 185 0.5804 2895 0.13
>>>> 89 vmlinux vmlinux free_block
>>>> 9034 6.6519 1218 0.0201 2727 0.0287 0
>>>> 0 0 0 0 0 0 0
>>>> 0 0 2004 0.09
>>>> 61 vmlinux vmlinux dst_destroy
>>>> 7113 5.2375 632 0.0104 483 0.0051 6615
>>>> 13.0170 543 1.3886 461 2.7454 1951 6.9359
>>>> 1274 3.9970 4073 0.19
>>>> 54 vmlinux vmlinux
>>>> mutex_spin_on_owner
>>>> 4382 3.2266 652 0.0107 1880 0.0198 2
>>>> 0.0039 0 0 0 0 3 0.0107
>>>> 7 0.0220 1050 0.05
>>>> 04 vmlinux vmlinux __call_rcu
>>>> 4337 3.1934 418 0.0069 830 0.0087 58
>>>> 0.1141 18 0.0460 8 0.0476 20 0.0711
>>>> 39 0.1224 917 0.04
>>>> 40 vmlinux vmlinux
>>>> __rcu_process_callbacks
>>>> 3991 2.9387 51 8.4e-04 325 0.0034 136
>>>> 0.2676 2 0.0051 1 0.0060 1034 3.6759
>>>> 205 0.6432 1110 0.05
>>>> 32 vmlinux vmlinux
>>>> copy_user_generic_string
>>>> 3292 2.4240 275838 4.5432 391639 4.1263 869
>>>> 1.7100 431 1.1022 350 2.0843 673 2.3925
>>>> 1069 3.3538 89939 4.31
>>>> 37 vmlinux vmlinux _raw_spin_lock
>>>> 1909 1.4056 79 0.0013 376 0.0040 0
>>>> 0 0 0 0 0 0 0
>>>> 0 0 348 0.01
>>>> 67 vmlinux vmlinux dst_rcu_free
>>>> 1461 1.0758 0 0 1163 0.0123 0
>>>> 0 0 0 0 0 0 0
>>>> 0 0 0
>>>> 0 vim vim (no symbols)
>>>> 1122 0.8262 11514 0.1896 6590 0.0694 1857
>>>> 3.6542 7638 19.5325 2138 12.7323 1213 4.3123
>>>> 4025 12.6278 9676 0.46
>>>> 41 libc-2.8.so libc-2.8.so (no symbols)
>>>> 1035 0.7621 9027 0.1487 22216 0.2341 4
>>>> 0.0079 0 0 0 0 5 0.0178
>>>> 15 0.0471 4310 0.20
>>>> 67 vmlinux vmlinux kmem_cache_free
>>>> 1016 0.7481 218 0.0036 465 0.0049 0
>>>> 0 0 0 0 0 0 0
>>>> 0 0 255 0.01
>>>> 22 vmlinux vmlinux ipv4_dst_destroy
>>>> 951 0.7002 4290 0.0707 5514 0.0581 3283
>>>> 6.4603 867 2.2172 673 4.0079 1096 3.8963
>>>> 1316 4.1288 2593 0.12
>>>> 44 vmlinux vmlinux tg_shares_up
>>>> 708 0.5213 104 0.0017 279 0.0029 0
>>>> 0 0 0 0 0 0 0
>>>> 0 0 159 0.00
>>>> 76 vmlinux vmlinux call_rcu_bh
>>>> 581 0.4278 21812 0.3593 38364 0.4042 68
>>>> 0.1338 23 0.0588 23 0.1370 65 0.2311
>>>> 96 0.3012 8000 0.38
>>>> 37 vmlinux vmlinux _raw_spin_unlock
>>>> 563 0.4145 1027 0.0169 2528 0.0266 0
>>>> 0 0 0 0 0 0 0 3
>>>> 0.0094 545 0.02
>>>> 61 vmlinux vmlinux local_bh_enable_ip
>>>> 509 0.3748 0 0 3 3.2e-05 0
>>>> 0 0 0 0 0 4 0.0142 3
>>>> 0.0094 76 0.00
>>>> 36 vmlinux vmlinux can_dirty
>>>> 430 0.3166 74 0.0012 148 0.0016 25
>>>> 0.0492 13 0.0332 12 0.0715 9 0.0320
>>>> 12 0.0376 96 0.00
>>>> 46 vmlinux vmlinux
>>>> rcu_process_callbacks
>>>> 372 0.2739 0 0 0 0 0
>>>> 0 0 0 0 0 3 0.0107 2
>>>> 0.0063 48 0.00
>>>> 23 vmlinux vmlinux do_journal_end
>>>> 347 0.2555 9991 0.1646 16066 0.1693 143
>>>> 0.2814 66 0.1688 25 0.1489 46 0.1635
>>>> 71 0.2228 3514 0.16
>>>> 85 vmlinux vmlinux rb_get_reader_page
>>>> 346 0.2548 952 0.0157 566 0.0060 871
>>>> 1.7140 321 0.8209 174 1.0362 324 1.1518
>>>> 269 0.8439 655 0.03
>>>> 14 vmlinux vmlinux find_busiest_group
>>>> 275 0.2025 1194 0.0197 1228 0.0129 1019
>>>> 2.0052 203 0.5191 151 0.8992 290 1.0310
>>>> 653 2.0487 799 0.03
>>>> 83 vmlinux vmlinux find_next_bit
>>>> 238 0.1752 3053 0.0503 4711 0.0496 116
>>>> 0.2283 82 0.2097 54 0.3216 101 0.3591
>>>> 101 0.3169 1174 0.05
>>>> 63 oprofile oprofile (no symbols)
>>>> 221 0.1627 0 0 0 0 0
>>>> 0 0 0 0 0 0 0
>>>> 0 0 18 8.6e-
>>>> 04 vmlinux vmlinux ahci_interrupt
>>>> 212 0.1561 38335 0.6314 60370 0.6361 329
>>>> 0.6474 165 0.4220 136 0.8099 133 0.4728
>>>> 205 0.6432 12821 0.61
>>>> 49 vmlinux vmlinux
>>>> apic_timer_interrupt
>>>> 210 0.1546 117 0.0019 1001 0.0105 2
>>>> 0.0039 0 0 0 0 55 0.1955
>>>> 16 0.0502 270 0.01
>>>> 30 vmlinux vmlinux memmove
>>>> 207 0.1524 0 0 7 7.4e-05 34
>>>> 0.0669 0 0 0 0 93 0.3306
>>>> 62 0.1945 214 0.01
>>>> 03 vmlinux vmlinux search_by_key
>>>> 204 0.1502 26603 0.4382 25086 0.2643 45
>>>> 0.0886 18 0.0460 19 0.1131 19 0.0675
>>>> 25 0.0784 6580 0.31
>>>> 56 vmlinux vmlinux __do_softirq
>>>> 170 0.1252 2618 0.0431 3493 0.0368 69
>>>> 0.1358 42 0.1074 51 0.3037 64 0.2275
>>>> 87 0.2729 856 0.04
>>>> 11 vmlinux vmlinux __schedule
>>>> 151 0.1112 7590 0.1250 8909 0.0939 273
>>>> 0.5372 86 0.2199 73 0.4347 99 0.3519
>>>> 142 0.4455 2114 0.10
>>>> 14 vmlinux vmlinux sched_clock_cpu
>>>> 142 0.1046 200 0.0033 165 0.0017 65
>>>> 0.1279 23 0.0588 20 0.1191 15 0.0533
>>>> 36 0.1129 94 0.00
>>>> 45 vmlinux vmlinux raise_softirq
>>>> 141 0.1038 8048 0.1326 11386 0.1200 2
>>>> 0.0039 0 0 0 0 2 0.0071
>>>> 4 0.0125 2589 0.12
>>>> 42 vmlinux vmlinux __phys_addr
>>>> 141 0.1038 23726 0.3908 24837 0.2617 89
>>>> 0.1751 58 0.1483 55 0.3275 66 0.2346
>>>> 62 0.1945 5398 0.25
>>>> 89 vmlinux vmlinux
>>>> tick_nohz_stop_sched_tick
>>>> 139 0.1023 43230 0.7120 68500 0.7217 105
>>>> 0.2066 66 0.1688 86 0.5121 100 0.3555
>>>> 100 0.3137 13725 0.65
>>>> 83 vmlinux vmlinux getnstimeofday
>>>> 136 0.1001 0 0 0 0 0
>>>> 0 0 0 0 0 0 0
>>>> 0 0 36 0.00
>>>> 17 vmlinux vmlinux
>>>> remove_journal_hash
>>>> 133 0.0979 8624 0.1420 9518 0.1003 217
>>>> 0.4270 68 0.1739 64 0.3811 79 0.2808
>>>> 106 0.3326 2348 0.11
>>>> 26 vmlinux vmlinux native_sched_clock
>>>> 129 0.0950 270 0.0044 233 0.0025 355
>>>> 0.6986 93 0.2378 60 0.3573 102 0.3626
>>>> 105 0.3294 214 0.01
>>>> 03 vmlinux vmlinux rebalance_domains
>>>> 117 0.0861 0 0 36 3.8e-04 57
>>>> 0.1122 0 0 10 0.0596 66 0.2346
>>>> 60 0.1882 220 0.01
>>>> 06 vmlinux vmlinux find_get_page
>>>> 112 0.0825 287 0.0047 397 0.0042 121
>>>> 0.2381 89 0.2276 63 0.3752 85 0.3022
>>>> 114 0.3577 220 0.01
>>>> 06 vmlinux vmlinux scheduler_tick
>>>> 107 0.0788 13702 0.2257 16191 0.1706 102
>>>> 0.2007 28 0.0716 44 0.2620 41 0.1458
>>>> 66 0.2071 3890 0.18
>>>> 66 vmlinux vmlinux
>>>> tick_nohz_stop_idle
>>>> 105 0.0773 4277 0.0704 7002 0.0738 53
>>>> 0.1043 26 0.0665 24 0.1429 24 0.0853
>>>> 38 0.1192 1561 0.07
>>>> 49 vmlinux vmlinux
>>>> ring_buffer_consume
>>>> 103 0.0758 0 0 2 2.1e-05 5
>>>> 0.0098 0 0 0 0 20 0.0711
>>>> 13 0.0408 61 0.00
>>>> 29 vmlinux vmlinux __find_get_block
>>>> 103 0.0758 49251 0.8112 85999 0.9061 166
>>>> 0.3267 105 0.2685 97 0.5777 122 0.4337
>>>> 138 0.4330 17108 0.82
>>>> 06 vmlinux vmlinux read_tsc
>>>> 98 0.0722 17406 0.2867 40897 0.4309 15
>>>> 0.0295 2 0.0051 2 0.0119 62 0.2204
>>>> 51 0.1600 7913 0.37
>>>> 95 vmlinux vmlinux kmem_cache_alloc
>>>> 98 0.0722 14817 0.2440 21291 0.2243 41
>>>> 0.0807 49 0.1253 48 0.2859 62 0.2204
>>>> 64 0.2008 4582 0.21
>>>> 98 vmlinux vmlinux ktime_get_ts
>>>> 94 0.0692 0 0 1 1.1e-05 2
>>>> 0.0039 0 0 0 0 7 0.0249
>>>> 6 0.0188 16 7.7e-
>>>> 04 vmlinux vmlinux
>>>> __find_get_block_slow
>>>> 92 0.0677 1161 0.0191 1411 0.0149 41
>>>> 0.0807 39 0.0997 40 0.2382 53 0.1884
>>>> 49 0.1537 408 0.01
>>>> 96 vmlinux vmlinux
>>>> select_nohz_load_balancer
>>>> 88 0.0648 11160 0.1838 54990 0.5794 69
>>>> 0.1358 43 0.1100 35 0.2084 661 2.3499
>>>> 55 0.1726 4513 0.21
>>>> 65 vmlinux vmlinux
>>>> get_next_timer_interrupt
>>>> 75 0.0552 0 0 0 0 0
>>>> 0 0 0 0 0 0 0
>>>> 0 0 6 2.9e-
>>>> 04 vmlinux vmlinux make_request
>>>> 69 0.0508 803 0.0132 1048 0.0110 35
>>>> 0.0689 26 0.0665 15 0.0893 24 0.0853
>>>> 58 0.1820 334 0.01
>>>> --More--
>>>>
>>>> Paweł Staszewski pisze:
>>>>
>>>>> I dont know where to put this message so i start here because server
>>>>> that i see this funny thing is make only networking
>>>>> Routing (bgpd) / traffic management (iproute2)
>>>>>
>>>>> This starts on kernels >= 2.6.29
>>>>>
>>>>> On server i have almost constant traffic that is about 300Mbit/s RX
>>>>> and 300Mbit/s TX
>>>>> Server have two interfaces:
>>>>> 04:00.0 Ethernet controller: Intel Corporation 82573E Gigabit
>>>>> Ethernet Controller (Copper) (rev 03)
>>>>> 05:00.0 Ethernet controller: Intel Corporation 82573L Gigabit
>>>>> Ethernet Controller
>>>>>
>>>>> iBGP peer < - > [ eth0 - forward + shaping - eth1 ] < - > eBGP
>>>>>
>>>>>
>>>>> And what is weird is CPU Load
>>>>> it fluctuate from 10% to almost 80% - but traffic is constant :
>>>>> bwm-ng v0.6 (probing every 10.000s), press 'h' for help
>>>>> input: /proc/net/dev type: rate
>>>>> | iface Rx
>>>>> Tx Total
>>>>>
>>>>> ==============================================================================
>>>>>
>>>>> lo: 0.00 b/s 0.00
>>>>> b/s 0.00 b/s
>>>>> eth0: 200.22 Mb/s 266.74 Mb/s
>>>>> 466.96 Mb/s
>>>>> eth1: 264.00 Mb/s 192.59 Mb/s
>>>>> 456.59 Mb/s
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>>
>>>>> total: 464.22 Mb/s 459.34 Mb/s
>>>>> 923.56 Mb/s
>>>>>
>>>>>
>>>>> bwm-ng v0.6 (probing every 10.000s), press 'h' for help
>>>>> input: /proc/net/dev type: rate
>>>>> / iface Rx
>>>>> Tx Total
>>>>>
>>>>> ==============================================================================
>>>>>
>>>>> lo: 0.00 P/s 0.00
>>>>> P/s 0.00 P/s
>>>>> eth0: 51314.95 P/s 49880.20 P/s
>>>>> 101195.14 P/s
>>>>> eth1: 43309.85 P/s 41885.79 P/s
>>>>> 85195.64 P/s
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>>
>>>>> total: 94624.80 P/s 91765.99 P/s
>>>>> 186390.79 P/s
>>>>>
>>>>>
>>>>> mpstat -P ALL 1
>>>>> 18:00:05 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:06 all 0.00 0.00 0.00 0.00 1.33 13.65
>>>>> 0.00 0.00 85.02
>>>>> 18:00:06 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:06 1 0.00 0.00 0.00 0.00 3.77 39.62
>>>>> 0.00 0.00 56.60
>>>>> 18:00:06 2 0.00 0.00 0.00 0.00 7.92 70.30
>>>>> 0.00 0.00 21.78
>>>>> 18:00:06 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:06 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:06 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:06 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:06 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:06 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:07 all 0.12 0.00 0.12 0.00 1.19 13.35
>>>>> 0.00 0.00 85.22
>>>>> 18:00:07 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:07 1 0.00 0.00 0.00 0.00 2.75 42.20
>>>>> 0.00 0.00 55.05
>>>>> 18:00:07 2 0.00 0.00 0.99 0.00 5.94 65.35
>>>>> 0.00 0.00 27.72
>>>>> 18:00:07 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:07 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:07 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:07 6 0.00 0.00 0.99 0.00 0.00 0.00
>>>>> 0.00 0.00 99.01
>>>>> 18:00:07 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:07 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:08 all 0.00 0.00 0.12 0.00 0.85 13.42
>>>>> 0.00 0.00 85.61
>>>>> 18:00:08 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:08 1 0.00 0.00 0.00 0.00 1.85 38.89
>>>>> 0.00 0.00 59.26
>>>>> 18:00:08 2 0.00 0.00 0.00 0.00 5.94 68.32
>>>>> 0.00 0.00 25.74
>>>>> 18:00:08 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:08 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:08 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:08 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:08 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:08 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:09 all 0.00 0.00 0.00 0.00 1.33 14.18
>>>>> 0.00 0.00 84.48
>>>>> 18:00:09 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:09 1 0.00 0.00 0.99 0.00 2.97 50.50
>>>>> 0.00 0.00 45.54
>>>>> 18:00:09 2 0.00 0.00 0.00 0.00 6.93 65.35
>>>>> 0.00 0.00 27.72
>>>>> 18:00:09 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:09 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:09 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:09 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:09 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:09 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:10 all 0.00 0.00 0.24 0.00 1.20 11.81
>>>>> 0.00 0.00 86.75
>>>>> 18:00:10 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:10 1 0.00 0.00 0.95 0.00 4.76 35.24
>>>>> 0.00 0.00 59.05
>>>>> 18:00:10 2 0.00 0.00 0.00 0.00 4.95 59.41
>>>>> 0.00 0.00 35.64
>>>>> 18:00:10 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:10 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:10 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:10 6 0.00 0.00 0.95 0.00 0.00 0.00
>>>>> 0.00 0.00 99.05
>>>>> 18:00:10 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:10 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:11 all 0.00 0.00 0.24 0.00 0.36 5.97
>>>>> 0.00 0.00 93.43
>>>>> 18:00:11 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:11 1 0.00 0.00 0.97 0.00 0.97 17.48
>>>>> 0.00 0.00 80.58
>>>>> 18:00:11 2 0.00 0.00 0.00 0.00 2.88 31.73
>>>>> 0.00 0.00 65.38
>>>>> 18:00:11 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:11 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:11 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:11 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:11 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:11 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:12 all 0.00 0.00 0.25 0.00 0.37 5.76
>>>>> 0.00 0.00 93.63
>>>>> 18:00:12 0 0.00 0.00 0.00 1.06 0.00 0.00
>>>>> 0.00 0.00 98.94
>>>>> 18:00:12 1 0.00 0.00 1.92 0.00 0.00 18.27
>>>>> 0.00 0.00 79.81
>>>>> 18:00:12 2 0.00 0.00 0.96 0.00 1.92 26.92
>>>>> 0.00 0.00 70.19
>>>>> 18:00:12 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:12 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:12 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:12 6 0.96 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 99.04
>>>>> 18:00:12 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:12 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:13 all 0.12 0.00 0.25 0.00 0.12 2.34
>>>>> 0.00 0.00 97.17
>>>>> 18:00:13 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:13 1 0.00 0.00 0.00 0.00 0.97 7.77
>>>>> 0.00 0.00 91.26
>>>>> 18:00:13 2 0.00 0.00 0.98 0.00 0.98 10.78
>>>>> 0.00 0.00 87.25
>>>>> 18:00:13 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:13 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:13 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:13 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:13 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:13 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:14 all 0.00 0.00 0.37 0.00 0.37 2.33
>>>>> 0.00 0.00 96.94
>>>>> 18:00:14 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:14 1 0.00 0.00 1.92 0.00 0.96 7.69
>>>>> 0.00 0.00 89.42
>>>>> 18:00:14 2 0.00 0.00 0.97 0.00 0.97 10.68
>>>>> 0.00 0.00 87.38
>>>>> 18:00:14 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:14 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:14 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:14 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:14 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:14 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:15 all 0.00 0.00 0.61 0.00 0.25 2.45
>>>>> 0.00 0.00 96.69
>>>>> 18:00:15 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:15 1 0.00 0.00 3.85 0.00 0.96 7.69
>>>>> 0.00 0.00 87.50
>>>>> 18:00:15 2 0.00 0.00 0.96 0.00 1.92 12.50
>>>>> 0.00 0.00 84.62
>>>>> 18:00:15 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:15 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:15 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:15 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:15 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:15 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:16 all 0.00 0.00 0.37 0.00 0.37 1.83
>>>>> 0.00 0.00 97.43
>>>>> 18:00:16 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:16 1 0.00 0.00 1.96 0.00 0.98 4.90
>>>>> 0.00 0.00 92.16
>>>>> 18:00:16 2 0.00 0.00 1.00 0.00 1.00 10.00
>>>>> 0.00 0.00 88.00
>>>>> 18:00:16 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:16 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:16 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:16 6 0.98 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 99.02
>>>>> 18:00:16 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:16 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:17 all 0.00 0.00 0.25 0.00 0.25 2.73
>>>>> 0.00 0.00 96.78
>>>>> 18:00:17 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:17 1 0.00 0.00 1.96 0.00 0.00 8.82
>>>>> 0.00 0.00 89.22
>>>>> 18:00:17 2 0.00 0.00 0.99 0.00 1.98 11.88
>>>>> 0.00 0.00 85.15
>>>>> 18:00:17 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:17 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:17 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:17 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:17 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:17 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:18 all 0.12 0.00 0.12 0.00 0.95 11.51
>>>>> 0.00 0.00 87.31
>>>>> 18:00:18 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:18 1 0.00 0.00 0.00 0.00 3.03 33.33
>>>>> 0.00 0.00 63.64
>>>>> 18:00:18 2 0.00 0.00 0.00 0.00 5.00 64.00
>>>>> 0.00 0.00 31.00
>>>>> 18:00:18 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:18 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:18 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:18 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:18 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:18 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:19 all 0.36 0.00 0.12 0.00 1.46 14.48
>>>>> 0.00 0.00 83.58
>>>>> 18:00:19 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:19 1 0.00 0.00 0.00 0.00 4.00 46.00
>>>>> 0.00 0.00 50.00
>>>>> 18:00:19 2 0.00 0.00 0.99 0.00 7.92 72.28
>>>>> 0.00 0.00 18.81
>>>>> 18:00:19 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:19 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:19 5 2.86 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 97.14
>>>>> 18:00:19 6 0.95 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 99.05
>>>>> 18:00:19 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:19 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:20 all 0.00 0.00 0.00 0.00 1.58 14.86
>>>>> 0.00 0.00 83.56
>>>>> 18:00:20 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:20 1 0.00 0.00 0.00 0.00 3.96 49.50
>>>>> 0.00 0.00 46.53
>>>>> 18:00:20 2 0.00 0.00 0.00 0.00 9.00 73.00
>>>>> 0.00 0.00 18.00
>>>>> 18:00:20 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:20 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:20 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:20 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:20 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:20 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:21 all 0.00 0.00 0.00 0.00 1.71 14.86
>>>>> 0.00 0.00 83.43
>>>>> 18:00:21 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:21 1 0.00 0.00 0.00 0.00 5.05 51.52
>>>>> 0.00 0.00 43.43
>>>>> 18:00:21 2 0.00 0.00 0.00 0.00 10.00 70.00
>>>>> 0.00 0.00 20.00
>>>>> 18:00:21 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:21 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:21 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:21 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:21 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:21 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:22 all 0.00 0.00 0.24 0.00 1.70 13.97
>>>>> 0.00 0.00 84.08
>>>>> 18:00:22 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:22 1 0.00 0.00 0.00 0.00 4.95 42.57
>>>>> 0.00 0.00 52.48
>>>>> 18:00:22 2 0.00 0.00 1.01 0.00 8.08 72.73
>>>>> 0.00 0.00 18.18
>>>>> 18:00:22 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:22 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:22 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:22 6 0.00 0.00 0.95 0.00 0.00 0.00
>>>>> 0.00 0.00 99.05
>>>>> 18:00:22 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:22 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:23 all 0.12 0.00 0.00 0.00 1.58 14.13
>>>>> 0.00 0.00 84.17
>>>>> 18:00:23 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:23 1 0.00 0.00 0.00 0.00 5.00 45.00
>>>>> 0.00 0.00 50.00
>>>>> 18:00:23 2 0.99 0.00 0.00 0.00 8.91 70.30
>>>>> 0.00 0.00 19.80
>>>>> 18:00:23 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:23 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:23 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:23 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:23 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:23 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:24 all 0.00 0.00 0.00 0.00 1.34 14.13
>>>>> 0.00 0.00 84.53
>>>>> 18:00:24 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:24 1 0.00 0.00 0.00 0.00 4.04 42.42
>>>>> 0.00 0.00 53.54
>>>>> 18:00:24 2 0.00 0.00 0.00 0.00 6.93 73.27
>>>>> 0.00 0.00 19.80
>>>>> 18:00:24 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:24 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:24 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:24 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:24 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:24 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:25 all 0.12 0.00 0.12 0.00 1.45 14.67
>>>>> 0.00 0.00 83.64
>>>>> 18:00:25 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:25 1 0.00 0.00 0.99 0.00 3.96 45.54
>>>>> 0.00 0.00 49.50
>>>>> 18:00:25 2 0.00 0.00 0.00 0.00 8.00 75.00
>>>>> 0.00 0.00 17.00
>>>>> 18:00:25 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:25 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:25 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:25 6 0.95 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 99.05
>>>>> 18:00:25 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:25 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:26 all 0.00 0.00 0.00 0.00 1.22 14.60
>>>>> 0.00 0.00 84.18
>>>>> 18:00:26 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:26 1 0.99 0.00 0.00 0.00 2.97 50.50
>>>>> 0.00 0.00 45.54
>>>>> 18:00:26 2 0.00 0.00 0.00 0.00 7.07 68.69
>>>>> 0.00 0.00 24.24
>>>>> 18:00:26 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:26 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:26 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:26 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:26 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:26 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:27 all 0.00 0.00 0.00 0.00 1.59 15.02
>>>>> 0.00 0.00 83.39
>>>>> 18:00:27 0 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:27 1 0.00 0.00 0.00 0.00 6.00 52.00
>>>>> 0.00 0.00 42.00
>>>>> 18:00:27 2 0.00 0.00 0.00 0.00 6.93 71.29
>>>>> 0.00 0.00 21.78
>>>>> 18:00:27 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:27 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:27 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:27 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:27 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> 18:00:27 CPU %usr %nice %sys %iowait %irq %soft
>>>>> %steal %guest %idle
>>>>> 18:00:28 all 0.00 0.00 0.00 0.00 1.33 14.56
>>>>> 0.00 0.00 84.10
>>>>> 18:00:28 0 0.00 0.00 0.00 0.00 0.00 0.99
>>>>> 0.00 0.00 99.01
>>>>> 18:00:28 1 0.00 0.00 0.00 0.00 4.00 50.00
>>>>> 0.00 0.00 46.00
>>>>> 18:00:28 2 0.00 0.00 0.00 0.00 6.06 69.70
>>>>> 0.00 0.00 24.24
>>>>> 18:00:28 3 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:28 4 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:28 5 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:28 6 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>> 18:00:28 7 0.00 0.00 0.00 0.00 0.00 0.00
>>>>> 0.00 0.00 100.00
>>>>>
>>>>> at the same time top shows:
>>>>> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
>>>>> 28 root 15 -5 0 0 0 S 2 0.0 0:16.60 events/1
>>>>> 29 root 15 -5 0 0 0 S 2 0.0 0:15.62 events/2
>>>>> 10 root 15 -5 0 0 0 S 2 0.0 0:41.01 ksoftirqd/2
>>>>> 7 root 15 -5 0 0 0 S 1 0.0 0:31.17 ksoftirqd/1
>>>>> 30 root 15 -5 0 0 0 S 1 0.0 0:03.00 events/3
>>>>> 6545 root 20 0 11112 3244 1780 S 0 0.0 0:08.69 oprofiled
>>>>> 6845 root 20 0 19084 1384 1008 R 0 0.0 0:00.07 top
>>>>> 1 root 20 0 3812 612 520 S 0 0.0 0:01.00 init
>>>>> 2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd
>>>>> 3 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/0
>>>>> 4 root 15 -5 0 0 0 S 0 0.0 0:01.04 ksoftirqd/0
>>>>> 5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0
>>>>> 6 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/1
>>>>> 8 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1
>>>>> 9 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/2
>>>>> 11 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/2
>>>>> 12 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/3
>>>>> 13 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/3
>>>>> 14 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/3
>>>>> 15 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/4
>>>>> 16 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/4
>>>>> 17 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/4
>>>>> 18 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/5
>>>>> 19 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/5
>>>>> 20 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/5
>>>>> 21 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/6
>>>>> 22 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/6
>>>>> 23 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/6
>>>>> 24 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/7
>>>>> 25 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/7
>>>>> 26 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/7
>>>>> 27 root 15 -5 0 0 0 S 0 0.0 0:00.00 events/0
>>>>> 31 root 15 -5 0 0 0 S 0 0.0 0:00.00 events/4
>>>>> 32 root 15 -5 0 0 0 S 0 0.0 0:00.01 events/5
>>>>> 33 root 15 -5 0 0 0 S 0 0.0 0:00.02 events/6
>>>>> 34 root 15 -5 0 0 0 S 0 0.0 0:00.01 events/7
>>>>> 35 root 15 -5 0 0 0 S 0 0.0 0:00.01 khelper
>>>>> 41 root 15 -5 0 0 0 S 0 0.0 0:00.00 async/mgr
>>>>> 159 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/0
>>>>> 160 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/1
>>>>> 161 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/2
>>>>> 162 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/3
>>>>> 163 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/4
>>>>> 164 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/5
>>>>> 165 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/6
>>>>> 166 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/7
>>>>> 167 root 15 -5 0 0 0 S 0 0.0 0:00.00 kacpid
>>>>> 168 root 15 -5 0 0 0 S 0 0.0 0:00.00
>>>>> kacpi_notify
>>>>> 246 root 15 -5 0 0 0 S 0 0.0 0:00.00 ata/0
>>>>> 247 root 15 -5 0 0 0 S 0 0.0 0:00.00 ata/1
>>>>>
>>>>> and oprofile output:
>>>>> CPU: Core 2, speed 3000.08 MHz (estimated)
>>>>> Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with
>>>>> a unit mask of 0x00 (Unhalted core cycles) count 100000
>>>>> samples % image name app name
>>>>> symbol name
>>>>> 11138304 12.3598 vmlinux vmlinux
>>>>> rb_next
>>>>> 7714260 8.5602 vmlinux vmlinux
>>>>> e1000_clean
>>>>> 5380466 5.9705 vmlinux vmlinux
>>>>> e1000_intr_msi
>>>>> 4881445 5.4168 vmlinux vmlinux
>>>>> u32_classify
>>>>> 3977072 4.4132 vmlinux vmlinux
>>>>> _raw_spin_lock
>>>>> 3471611 3.8523 vmlinux vmlinux
>>>>> hfsc_dequeue
>>>>> 3103493 3.4438 vmlinux vmlinux
>>>>> hfsc_enqueue
>>>>> 2636824 2.9260 vmlinux vmlinux
>>>>> delay_tsc
>>>>> 2464293 2.7345 vmlinux vmlinux
>>>>> e1000_xmit_frame
>>>>> 2035779 2.2590 vmlinux vmlinux
>>>>> e1000_clean_tx_irq
>>>>> 1947231 2.1608 vmlinux vmlinux
>>>>> mwait_idle
>>>>> 1919540 2.1300 vmlinux vmlinux
>>>>> ipt_do_table
>>>>> 1908544 2.1178 vmlinux vmlinux
>>>>> e1000_clean_rx_irq
>>>>> 1865996 2.0706 vmlinux vmlinux
>>>>> update_vf
>>>>> 1829293 2.0299 vmlinux vmlinux
>>>>> rb_erase
>>>>> 1777847 1.9728 vmlinux vmlinux
>>>>> ip_route_input
>>>>> 1430773 1.5877 vmlinux vmlinux
>>>>> rb_insert_color
>>>>> 1329674 1.4755 vmlinux vmlinux
>>>>> __alloc_skb
>>>>> 1091678 1.2114 vmlinux vmlinux
>>>>> sfq_enqueue
>>>>> 985105 1.0931 vmlinux vmlinux
>>>>> rb_first
>>>>> 944928 1.0486 vmlinux vmlinux
>>>>> sfq_dequeue
>>>>> 756452 0.8394 vmlinux vmlinux
>>>>> read_tsc
>>>>> 728703 0.8086 vmlinux vmlinux
>>>>> nf_iterate
>>>>> 665551 0.7385 vmlinux vmlinux
>>>>> ip_forward
>>>>> 662616 0.7353 vmlinux vmlinux
>>>>> dev_queue_xmit
>>>>> 648919 0.7201 vmlinux vmlinux
>>>>> __qdisc_run
>>>>> 615592 0.6831 vmlinux vmlinux
>>>>> ip_rcv
>>>>> 589743 0.6544 vmlinux vmlinux
>>>>> apic_timer_interrupt
>>>>> 550581 0.6110 vmlinux vmlinux
>>>>> irq_entries_start
>>>>> 536172 0.5950 vmlinux vmlinux
>>>>> getnstimeofday
>>>>> 527467 0.5853 vmlinux vmlinux
>>>>> rb_last
>>>>> 508305 0.5640 vmlinux vmlinux
>>>>> skb_release_data
>>>>> 506763 0.5623 vmlinux vmlinux
>>>>> kfree
>>>>> 506269 0.5618 vmlinux vmlinux
>>>>> dst_release
>>>>> 464412 0.5153 vmlinux vmlinux
>>>>> __hrtimer_start_range_ns
>>>>> 456354 0.5064 vmlinux vmlinux
>>>>> e1000_alloc_rx_buffers
>>>>> 435339 0.4831 vmlinux vmlinux
>>>>> dev_hard_start_xmit
>>>>> 371439 0.4122 vmlinux vmlinux
>>>>> local_bh_enable
>>>>> 369266 0.4098 vmlinux vmlinux
>>>>> __rb_rotate_left
>>>>> 361627 0.4013 vmlinux vmlinux
>>>>> net_tx_action
>>>>> 357797 0.3970 vmlinux vmlinux
>>>>> rtsc_y2x
>>>>> 350595 0.3890 vmlinux vmlinux
>>>>> _raw_spin_unlock
>>>>> 349359 0.3877 vmlinux vmlinux
>>>>> kmem_cache_alloc
>>>>> 336255 0.3731 vmlinux vmlinux
>>>>> skb_dma_map
>>>>> 328809 0.3649 vmlinux vmlinux
>>>>> netif_receive_skb
>>>>> 315826 0.3505 vmlinux vmlinux
>>>>> fn_trie_lookup
>>>>> 313065 0.3474 vmlinux vmlinux
>>>>> __kmalloc
>>>>> 307684 0.3414 vmlinux vmlinux
>>>>> __do_softirq
>>>>> 298676 0.3314 vmlinux vmlinux
>>>>> skb_pull
>>>>> 292352 0.3244 vmlinux vmlinux
>>>>> __napi_complete
>>>>> 288878 0.3206 vmlinux vmlinux
>>>>> get_next_timer_interrupt
>>>>> 280449 0.3112 vmlinux vmlinux
>>>>> ip_finish_output
>>>>> 264482 0.2935 vmlinux vmlinux
>>>>> consume_skb
>>>>> 251622 0.2792 vmlinux vmlinux
>>>>> __remove_hrtimer
>>>>> 227178 0.2521 vmlinux vmlinux
>>>>> tc_classify_compat
>>>>> 226224 0.2510 vmlinux vmlinux
>>>>> handle_edge_irq
>>>>>
>>>>>
>>>>>
>>>>> proces that this machine is running is only quagga (zebra + bgpd +
>>>>> oprofiled)
>>>>>
>>>>>
>>>>> Regards
>>>>> Paweł Staszewski
>>>>>
>>>>>
>>>>> --
>>>>> To unsubscribe from this list: send the line "unsubscribe netdev" in
>>>>> the body of a message to majordomo@...r.kernel.org
>>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>>>>
>>>>>
>>>>>
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>>>>
>>>>
>>>>
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>>>
>>>
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