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Converting a iostat output to a PCP archive
This example uses the PCP::LogImport Perl wrapper around the libpcp_import
library to convert a sadc datafile into a PCP archive.
The version of iostat that is supported here is the one from
http://freshmeat.net/projects/sysstat and provides the following
reporting options:
-t Add timestamps like 27/07/10 12:47:34 ahead of each sample.
If $S_TIME_FORMAT=ISO in the environment, then the format changes
to 2010-07-27T12:46:07+1000
The default is to not include any timestamps.
Start date is on first line
Linux 2.6.32-23-generic (bozo) 27/07/10 _i686_ (1 CPU)
-z supress activity for idle devices
-k Disk activity in Kilobytes not blocks
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
-m Disk activity in megabytes not blocks
Device: tps MB_read/s MB_wrtn/s MB_read MB_wrtn
-c CPU utilization
avg-cpu: %user %nice %system %iowait %steal %idle
75.00 0.00 25.00 0.00 0.00 0.00
-d Disk activity
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 9.27 42.38 135.10 128 408
sdb 83.44 182.78 1634.44 552 4936
scd0 0.00 0.00 0.00 0 0
-n NFS report
Filesystem: rBlk_nor/s wBlk_nor/s rBlk_dir/s wBlk_dir/s rBlk_svr/s wBlk_svr/s rops/s wops/s
-x Extended disk activity
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util
sda 0.00 10.30 0.00 4.32 0.00 116.94 27.08 0.00 0.31 0.31 0.13
sdb 0.00 83.39 0.33 10.63 2.66 754.82 69.09 0.05 4.36 0.85 0.93
scd0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
-p like -d but for partitions (example below is with -z)
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 2.99 0.00 77.08 0 232
sda1 2.99 0.00 77.08 0 232
sdb 20.60 2.66 890.37 8 2680
sdb6 20.60 2.66 890.37 8 2680
Usage: iostat2pcp infile archive
The translation currently supports the following PCP metrics:
disk.all.read
disk.all.read_bytes
disk.all.total
disk.all.total_bytes
disk.all.write
disk.all.write_bytes
disk.dev.avactive
disk.dev.read_bytes
disk.dev.total
disk.dev.total_bytes
disk.dev.write_bytes
kernel.all.cpu.idle
kernel.all.cpu.intr
kernel.all.cpu.nice
kernel.all.cpu.sys
kernel.all.cpu.user
kernel.all.cpu.wait.total
kernel.all.intr
kernel.all.load
kernel.all.pswitch
kernel.percpu.cpu.idle
kernel.percpu.cpu.intr
kernel.percpu.cpu.nice
kernel.percpu.cpu.sys
kernel.percpu.cpu.user
kernel.percpu.cpu.wait.total
mem.util.bufmem
mem.util.cached
mem.util.free
mem.util.swapCached
mem.util.swapFree
mem.util.used
mem.vmstat.pgfault
mem.vmstat.pgfree
mem.vmstat.pgmajfault
mem.vmstat.pgpgin
mem.vmstat.pgpgout
network.interface.collisions
network.interface.in.bytes
network.interface.in.drops
network.interface.in.errors
network.interface.in.fifo
network.interface.in.frame
network.interface.in.packets
network.interface.out.bytes
network.interface.out.carrier
network.interface.out.drops
network.interface.out.errors
network.interface.out.fifo
network.interface.out.packets
proc.runq.runnable
swap.pagesin
swap.pagesout
vfs.dentry.count
vfs.files.count
vfs.inodes.count
This is sufficient to support the following standard pmchart views:
CPU
Disk
Diskbytes
Loadavg
Memory
Netbytes
Netpackets
Overview (except for a lesser memory stats)
Paging
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