factor/basis/unix/linux/proc/proc.factor

333 lines
8.7 KiB
Factor

! Copyright (C) 2013 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays combinators combinators.smart
io.encodings.utf8 io.files kernel math math.order math.parser
memoize sequences sorting.slots splitting splitting.monotonic
strings io.pathnames calendar ;
IN: unix.linux.proc
! /proc/*
! /proc/buddyinfo
! /proc/cgroups
TUPLE: proc-cmdline string ;
C: <proc-cmdline> proc-cmdline
: parse-proc-cmdline ( -- obj )
"/proc/cmdline" utf8 file-lines first <proc-cmdline> ;
TUPLE: processor-info
{ processor integer }
{ vendor-id string }
{ cpu-family integer }
{ model integer }
{ model-name string }
{ stepping integer }
{ microcode integer }
{ cpu-mhz number }
{ cache-size integer }
{ fdiv-bug? boolean }
{ hlt-bug? boolean }
{ f00f-bug? boolean }
{ coma-bug? boolean }
{ physical-id integer }
{ siblings integer }
{ core-id integer }
{ cpu-cores integer }
{ apicid integer }
{ initial-apicid integer }
{ fpu? boolean }
{ fpu-exception? boolean }
{ cpuid-level integer }
{ wp? boolean }
{ flags array }
{ bogomips number }
{ clflush-size integer }
{ cache-alignment integer }
{ address-sizes array }
{ power-management string } ;
ERROR: unknown-cpuinfo-line string ;
: line>processor-info ( processor-info string -- processor-info )
":" split first2 swap
[ CHAR: \t = ] trim-tail [ [ CHAR: \s = ] trim ] bi@
{
{ "address sizes" [
"," split [ [ CHAR: \s = ] trim " " split first string>number ] map
>>address-sizes
] }
{ "apicid" [ string>number >>apicid ] }
{ "bogomips" [ string>number >>bogomips ] }
{ "cache size" [
" " split first [ CHAR: \s = ] trim
string>number 1024 * >>cache-size
] }
{ "cache_alignment" [ string>number >>cache-alignment ] }
{ "clflush size" [ string>number >>clflush-size ] }
{ "coma_bug" [ "yes" = >>coma-bug? ] }
{ "core id" [ string>number >>core-id ] }
{ "cpu MHz" [ string>number >>cpu-mhz ] }
{ "cpu cores" [ string>number >>cpu-cores ] }
{ "cpu family" [ string>number >>cpu-family ] }
{ "cpuid level" [ string>number >>cpuid-level ] }
{ "f00f_bug" [ "yes" = >>f00f-bug? ] }
{ "fdiv_bug" [ "yes" = >>fdiv-bug? ] }
{ "flags" [ " " split harvest >>flags ] }
{ "fpu" [ "yes" = >>fpu? ] }
{ "fpu_exception" [ "yes" = >>fpu-exception? ] }
{ "hlt_bug" [ "yes" = >>hlt-bug? ] }
{ "initial apicid" [ string>number >>initial-apicid ] }
{ "microcode" [ string>number >>microcode ] }
{ "model" [ string>number >>model ] }
{ "model name" [ >>model-name ] }
{ "physical id" [ string>number >>physical-id ] }
{ "power management" [ >>power-management ] }
{ "processor" [ string>number >>processor ] }
{ "siblings" [ string>number >>siblings ] }
{ "stepping" [ string>number >>stepping ] }
{ "vendor_id" [ >>vendor-id ] }
{ "wp" [ "yes" = >>wp? ] }
[ unknown-cpuinfo-line ]
} case ;
! Linux 2.6 has fewer values than new kernels
: lines>processor-info ( strings -- processor-info )
[ processor-info new ] dip
[ line>processor-info ] each ;
: parse-proc-cpuinfo ( -- seq )
"/proc/cpuinfo" utf8 file-lines
{ "" } split harvest [ lines>processor-info ] map ;
: sort-cpus ( seq -- seq )
{ { physical-id>> <=> } { core-id>> <=> } } sort-by
[ [ physical-id>> ] bi@ = ] monotonic-split
[ [ [ core-id>> ] bi@ = ] monotonic-split ] map ;
: cpu-counts ( seq -- #cpus #cores #hyperthread )
[ length ]
[ [ length ] map-sum ]
[ [ [ length ] map-sum ] map-sum ] tri ;
TUPLE: proc-loadavg
load-average-1
load-average-5
load-average-15
#processes-executing
#processes-total
last-pid ;
: parse-proc-loadavg ( -- obj )
"/proc/loadavg" utf8 file-lines first
" " split [
{
[ string>number ]
[ string>number ]
[ string>number ]
[ "/" split1 [ string>number ] bi@ ]
[ string>number ]
} spread
] input<sequence proc-loadavg boa ;
! In the file as kb, convert to bytes
TUPLE: proc-meminfo
mem-total
mem-free
buffers
cached
swap-cached
active
inactive
active-anon
inactive-anon
active-file
inactive-file
unevictable
mlocked
swap-total
swap-free
dirty
writeback
anon-pages
mapped
shmem
slab
s-reclaimable
s-unreclaimable
kernel-stack
page-tables
nfs-unstable
bounce
writeback-tmp
commit-limit
committed-as
vmalloc-total
vmalloc-used
vmalloc-chunk
hardware-corrupted
anon-huge-pages
huge-pages-total
huge-pages-free
huge-pages-rsvd
huge-pages-surp
huge-page-size
direct-map-4k
direct-map-2m ;
: parse-proc-meminfo ( -- meminfo )
"/proc/meminfo" utf8 file-lines [
" " split harvest second string>number 1024 *
] map [ proc-meminfo boa ] input<sequence ;
! All cpu-stat fields are measured in jiffies.
TUPLE: proc-stat
cpu
cpus
intr
ctxt
btime
processes
procs-running
procs-blocked
softirq ;
TUPLE: proc-cpu-stat name user nice system idle iowait irq softirq steal guest guest-nice ;
: line>cpu ( string -- cpu )
" " split
unclip-slice
[ [ [ CHAR: \s = ] trim string>number ] map ] dip prefix
[ proc-cpu-stat boa ] input<sequence ;
: parse-proc-stat ( -- obj )
"/proc/stat" utf8 file-lines
[ first ] [ 7 head* rest ] [ 7 tail* ] tri 3array {
[ first line>cpu ]
[ second [ line>cpu ] map ]
[
third
[ " " split1 nip " " split [ string>number ] map ] map
[
{
[ ]
[ first ]
[ first ]
[ first ]
[ first ]
[ first ]
[ ]
} spread
] input<sequence
]
} cleave proc-stat boa ;
: active-cpus ( -- n )
parse-proc-stat procs-running>> ;
TUPLE: proc-partition major minor #blocks name ;
: parse-proc-partitions ( -- partitions )
"/proc/partitions" utf8 file-lines 2 tail
[
" \t" split harvest
[
{
[ string>number ]
[ string>number ]
[ string>number ]
[ ]
} spread
] input<sequence proc-partition boa
] map ;
TUPLE: proc-swap filename type size used priority ;
: parse-proc-swaps ( -- sequence )
"/proc/swaps" utf8 file-lines rest
[
" \t" split harvest
[
{
[ ]
[ ]
[ string>number ]
[ string>number ]
[ string>number ]
} spread
] input<sequence proc-swap boa
] map ;
TUPLE: proc-uptime up idle ;
: parse-proc-uptime ( -- uptime )
"/proc/uptime" utf8 file-lines first
" " split first2 [ string>number seconds ] bi@
proc-uptime boa ;
! /proc/pid/*
GENERIC# proc-pid-path 1 ( object string -- path )
M: integer proc-pid-path ( pid string -- path )
[ "/proc/" ] 2dip
[ number>string "/" append ] dip
3append ;
M: string proc-pid-path ( pid-string string -- path )
[ "/proc/" ] 2dip [ append-path ] dip append-path ;
: proc-file-lines ( path -- strings ) utf8 file-lines ;
: proc-first-line ( path -- string/f ) proc-file-lines ?first ;
: proc-pid-first-line ( pid string -- string )
proc-pid-path proc-first-line ;
: parse-proc-pid-cmdline ( pid -- string/f )
"cmdline" proc-pid-path proc-first-line ;
TUPLE: pid-stat pid filename state parent-pid group-id session-id terminal#
terminal-group-id task-flags
#minor-page-faults #minor-page-faults-child
#major-page-faults #major-page-faults-child
cpu-user cpu-kernel
cpu-user-children cpu-kernel-children
priority
niceness
#threads
zero0
nanos-since-boot
virtual-memory
resident-set-size resident-set-limit
start-address end-address stack-start-address
current-stack-pointer current-instruction-pointer
pending-signals blocked-signals ignored-signals
handled-signals
wait-address
zero1
zero2
exit-signal
task-cpu
realtime-policy
policy
blkio-ticks
guest-time children-guest-time
start-data end-data
start-brk
arg-start arg-end
env-start env-end
exit-code ;
: parse-proc-pid-stat ( pid -- stat )
"stat" proc-pid-path
proc-first-line
" " split harvest
52 "0" pad-tail ! XXX: Kernel 3.2 doesn't have enough entries
[ dup string>number [ nip ] when* ] map
[ pid-stat boa ] input<sequence ;