linux ma swao, ale nepouziva ho

Zdenek Pizl z.p na linux-cd.cz
Pondělí Leden 13 10:32:08 CET 2003


On Sunday 12 of January 2003 23:28, you wrote:
> On Sat, Jan 11, 2003 at 06:33:50PM +0100, Zdenek Pizl wrote:
> > vystup free:
> >              total       used       free     shared    buffers     cached
> > Mem:        255940     251672       4268          0      40976     159948
> > -/+ buffers/cache:      50748     205192
> > Swap:       530136          0     530136
> >
> > vystup /sbin/swapon -s :
> > [root na twin root]# /sbin/swapon -s /dev/hda2
> > Filename                        Type            Size    Used    Priority
> > ^^^^^^^^^^^^^^^^^^^^^^ ano, nic vic to nevypsalo :(
>
> Me to po swapon -s vypise seznam swap oddilu. Zde bude asi problem.
> Zkuste strace a divat se, kde se to pokazi:
>
> strace swapon -s

strace swapon -s /dev/hda2:
-----------------------
execve("/sbin/swapon", ["swapon", "-s", "/dev/hda2"], [/* 22 vars */]) = 0
uname({sys="Linux", node="twin.domain.com", ...}) = 0
brk(0)                                  = 0x804a7ac
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x40016000
open("/etc/ld.so.preload", O_RDONLY)    = -1 ENOENT (No such file or 
directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=21731, ...}) = 0
old_mmap(NULL, 21731, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40017000
close(3)                                = 0
open("/lib/libc.so.6", O_RDONLY)        = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0 \304\1"..., 1024) = 
1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=5735106, ...}) = 0
old_mmap(NULL, 1267176, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x4001d000
mprotect(0x40149000, 38376, PROT_NONE)  = 0
old_mmap(0x40149000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 
0x12b000) = 0x40149000
old_mmap(0x4014f000, 13800, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x4014f000
close(3)                                = 0
munmap(0x40017000, 21731)               = 0
brk(0)                                  = 0x804a7ac
brk(0x804a7d4)                          = 0x804a7d4
brk(0x804b000)                          = 0x804b000
open("/usr/share/locale/locale.alias", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=2601, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x40017000
read(3, "# Locale name alias data base.\n#"..., 4096) = 2601
brk(0x804c000)                          = 0x804c000
read(3, "", 4096)                       = 0
close(3)                                = 0
munmap(0x40017000, 4096)                = 0
open("/usr/lib/locale/en_US/LC_IDENTIFICATION", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=370, ...}) = 0
old_mmap(NULL, 370, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40017000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_MEASUREMENT", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=28, ...}) = 0
old_mmap(NULL, 28, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40018000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_TELEPHONE", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=64, ...}) = 0
old_mmap(NULL, 64, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40019000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_ADDRESS", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=160, ...}) = 0
old_mmap(NULL, 160, PROT_READ, MAP_PRIVATE, 3, 0) = 0x4001a000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_NAME", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=82, ...}) = 0
old_mmap(NULL, 82, PROT_READ, MAP_PRIVATE, 3, 0) = 0x4001b000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_PAPER", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=39, ...}) = 0
old_mmap(NULL, 39, PROT_READ, MAP_PRIVATE, 3, 0) = 0x4001c000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_MESSAGES", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_MESSAGES/SYS_LC_MESSAGES", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=57, ...}) = 0
old_mmap(NULL, 57, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40153000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_MONETARY", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=291, ...}) = 0
old_mmap(NULL, 291, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40154000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_COLLATE", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=21499, ...}) = 0
old_mmap(NULL, 21499, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40155000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_TIME", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=2456, ...}) = 0
old_mmap(NULL, 2456, PROT_READ, MAP_PRIVATE, 3, 0) = 0x4015b000
close(3)                                = 0
open("/usr/lib/locale/en_US/LC_NUMERIC", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=59, ...}) = 0
old_mmap(NULL, 59, PROT_READ, MAP_PRIVATE, 3, 0) = 0x4015c000
close(3)                                = 0
brk(0x804d000)                          = 0x804d000
open("/usr/lib/locale/en_US/LC_CTYPE", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=173408, ...}) = 0
old_mmap(NULL, 173408, PROT_READ, MAP_PRIVATE, 3, 0) = 0x4015d000
close(3)                                = 0
open("/proc/swaps", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x40188000
read(3, "Filename\t\t\tType\t\tSize\tUsed\tPrior"..., 4096) = 36
fstat64(1, {st_mode=S_IFREG|0644, st_size=4895, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0x40189000
read(3, "", 4096)                       = 0
close(3)                                = 0
munmap(0x40188000, 4096)                = 0
write(1, "Filename\t\t\tType\t\tSize\tUsed\tPrior"..., 36Filename                       
Type            Size    Used    Priority
) = 36
munmap(0x40189000, 4096)                = 0
_exit(0)

---------
konec vypisu. Ja z nej tedy moudy nejsem. 
-- 
z.p.


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