Re: truss

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On 08/31/11 07:35, Anton Yuzhaninov wrote:
> It seems to be truss(1) is broken on current
> 
> :~> truss /bin/echo x x truss: can not get etype: No such process
> 
> FreeBSD 9.0-BETA1 #0 r224884M i386
> 
> from ktrace of turss
> 
> 3162 truss    CALL
> __sysctl(0xbfbfea00,0x4,0xbfbfe9e0,0xbfbfea10,0,0) 3162 truss
> SCTL  "kern.proc.sv_name.3163" 3162 truss    RET   __sysctl -1
> errno 3 No such process

Can't seem to be reproducable here, did I missed anything?  (note that
you may need a full world/kernel build).

> truss /bin/echo x
mmap(0x0,32768,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) =
34366255104 (0x800637000)
issetugid(0x800638015,0x80062cd9e,0x800848810,0x8008487e0,0xb277,0x0)
= 0 (0x0)
open("/etc/libmap.conf",O_RDONLY,0666)		 = 3 (0x3)
fstat(3,{ mode=-rw-r--r-- ,inode=1668471,size=712,blksize=4096 }) = 0
(0x0)
read(3,"libpthread.so.2\tlibthr.so.2\nli"...,4096) = 712 (0x2c8)
read(3,0x80063b000,4096)			 = 0 (0x0)
close(3)					 = 0 (0x0)
open("/var/run/ld-elf.so.hints",O_RDONLY,0160)	 = 3 (0x3)
read(3,"Ehnt\^A\0\0\0\M^_at_\0\0\0\M-\\^A\0"...,128) = 128 (0x80)
lseek(3,0x80,SEEK_SET)				 = 128 (0x80)
read(3,"/lib:/usr/lib:/usr/lib/compat:/u"...,476) = 476 (0x1dc)
close(3)					 = 0 (0x0)
mmap(0x0,36864,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) =
34366287872 (0x80063f000)
access("/lib/libc.so.7",0)			 = 0 (0x0)
open("/lib/libc.so.7",O_RDONLY,040737600)	 = 3 (0x3)
fstat(3,{ mode=-r--r--r-- ,inode=2664100,size=1310888,blksize=131072
}) = 0 (0x0)
pread(0x3,0x80083af60,0x1000,0x0,0x101010101010101,0x8080808080808080)
= 4096 (0x1000)
mmap(0x0,3432448,PROT_NONE,MAP_PRIVATE|MAP_ANON|MAP_NOCORE,-1,0x0) =
34368425984 (0x800849000)
mmap(0x800849000,1179648,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE,3,0x0)
= 34368425984 (0x800849000)
mmap(0x800b69000,45056,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED,3,0x120000)
= 34371702784 (0x800b69000)
mprotect(0x800b74000,110592,PROT_READ|PROT_WRITE) = 0 (0x0)
close(3)					 = 0 (0x0)
sysarch(0x81,0x7fffffffcfc0,0x80063d6c8,0x0,0xffffffffffad0580,0x800865370)
= 0 (0x0)
munmap(0x800642000,24576)			 = 0 (0x0)
mmap(0x0,102400,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) =
34366300160 (0x800642000)
sigprocmask(SIG_BLOCK,SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0)
= 0 (0x0)
sigprocmask(SIG_SETMASK,0x0,0x0)		 = 0 (0x0)
sigprocmask(SIG_BLOCK,SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0)
= 0 (0x0)
sigprocmask(SIG_SETMASK,0x0,0x0)		 = 0 (0x0)
readlink("/etc/malloc.conf","aj",1024)		 = 2 (0x2)
issetugid(0x800945ba1,0x7fffffffd220,0x6a,0x0,0x2,0x2) = 0 (0x0)
break(0x800000)					 = 0 (0x0)
mmap(0x0,4194304,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) =
34371858432 (0x800b8f000)
mmap(0x800f8f000,462848,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0)
= 34376052736 (0x800f8f000)
munmap(0x800b8f000,462848)			 = 0 (0x0)
x
writev(0x1,0x800c07040,0x2,0x7fffffffdad0,0x600d10,0x7fffffffcd60) = 2
(0x2)
sigprocmask(SIG_BLOCK,SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0)
= 0 (0x0)
sigprocmask(SIG_SETMASK,0x0,0x0)		 = 0 (0x0)
sigprocmask(SIG_BLOCK,SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0)
= 0 (0x0)
sigprocmask(SIG_SETMASK,0x0,0x0)		 = 0 (0x0)
process exit, rval = 0

Cheers,
- -- 
Xin LI <delphij_at_delphij.net>	https://www.delphij.net/
FreeBSD - The Power to Serve!		Live free or die
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