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List:       kde-bugs-dist
Subject:    Bug#24349: disk accesses not reported
From:       LA Walsh <law () sgi ! com>
Date:       2001-04-30 17:27:13
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Here is just the disk_io part first over scan and create tar of a large dir:

law> while :; do grep disk /proc/stat; sleep 5 ; done
disk_io: (3,0):(2805360,2523364,24880668,281996,6858624)
disk_io: (3,0):(2805388,2523364,24880668,282024,6858888)
disk_io: (3,0):(2805388,2523364,24880668,282024,6858888)
disk_io: (3,0):(2805415,2523372,24880732,282043,6859072)
disk_io: (3,0):(2805415,2523372,24880732,282043,6859072)
disk_io: (3,0):(2805415,2523372,24880732,282043,6859072)
disk_io: (3,0):(2805415,2523372,24880732,282043,6859072)
disk_io: (3,0):(2805416,2523373,24880740,282043,6859072)
disk_io: (3,0):(2805416,2523373,24880740,282043,6859072)
disk_io: (3,0):(2805470,2523373,24880740,282097,6859896)
disk_io: (3,0):(2805665,2523475,24881844,282190,6861440)
disk_io: (3,0):(2806063,2523598,24883172,282465,6865640)
disk_io: (3,0):(2806472,2523702,24885124,282770,6871632)
disk_io: (3,0):(2806884,2523807,24887308,283077,6877416)
disk_io: (3,0):(2807260,2523901,24889972,283359,6884248)
disk_io: (3,0):(2807603,2523983,24892612,283620,6891504)
disk_io: (3,0):(2807981,2524072,24895436,283909,6899192)
disk_io: (3,0):(2808323,2524156,24897324,284167,6904920)
disk_io: (3,0):(2808688,2524245,24900540,284443,6911656)
disk_io: (3,0):(2809094,2524348,24902884,284746,6918080)
disk_io: (3,0):(2809669,2524683,24912164,284986,6931648)
disk_io: (3,0):(2810359,2525196,24924412,285163,6959568)
disk_io: (3,0):(2810745,2525294,24926892,285451,6966776)
disk_io: (3,0):(2811266,2525495,24930156,285771,6977192)
disk_io: (3,0):(2811694,2525623,24932420,286071,6986600)
disk_io: (3,0):(2812090,2525747,24936420,286343,7000440)
disk_io: (3,0):(2812474,2525830,24939340,286644,7013104)
disk_io: (3,0):(2813020,2526166,24950364,286854,7029912)
disk_io: (3,0):(2813985,2527016,24971420,286969,7048344)
disk_io: (3,0):(2814919,2527724,24986852,287195,7078040)
disk_io: (3,0):(2815565,2528243,24997524,287322,7098520)
disk_io: (3,0):(2815976,2528514,25001076,287462,7117464)
disk_io: (3,0):(2816838,2529171,25012108,287667,7135264)
disk_io: (3,0):(2817935,2530126,25030620,287809,7158816)
disk_io: (3,0):(2819299,2531327,25042956,287972,7176224)
disk_io: (3,0):(2820343,2532221,25054884,288122,7195168)
disk_io: (3,0):(2820730,2532540,25060036,288190,7206432)
disk_io: (3,0):(2820735,2532545,25060076,288190,7206432)
disk_io: (3,0):(2820736,2532546,25060084,288190,7206432)
disk_io: (3,0):(2820850,2532554,25060156,288296,7216968)
disk_io: (3,0):(2820851,2532555,25060164,288296,7216968)
disk_io: (3,0):(2820852,2532556,25060172,288296,7216968)

Here is a complete /proc/stat listing:

law> more /proc/stat
cpu  517538 79487 5576451 20348848
cpu0 517538 79487 5576451 20348848
page 12569745 3608532
swap 692 1095
intr 45015187 26522324 56872 0 3 3 664503 3 959917 5813786 0 3 7370820 686894 0
2816478 123581 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
                0
disk_io: (3,0):(2820884,2532577,25060428,288307,7217064)
ctxt 98482078
btime 988385608
processes 40489

I ran kysguard over the time these figures were generated with 1 min load
and all 5 disk params.  The load went up to about 1.7, the disk windows
all remained blank.

-linda


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