Displaying 6 results from an estimated 6 matches for "probemod".
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probemos
2008 May 20
6
Dtrace queries - predicates & func arg tracing
...executable and then
dynamically create a dscript to trace execution of those modules alone
(by excluding the 3rd party and system libraries). I tried the below
script without success. The conditional given in the predicate is not
taking effect. Why is this so ?
$ dtrace -ln ''pid$target::: /probemod!="libc.so.1"/ { printf("%s -----
%s",probefunc, probename); } '' -p `pgrep a.out`
Similar is the case for the below script, I expect only the entry
points to be printed but all the probes in a.out are being printed.
$ dtrace -ln ''pid$target:a.out:: /probename==...
2006 Jul 10
5
Definition of "anchored" and "unanchored" probes
Referring to the DTrace manual:
"Module If this probe corresponds to a specific program location,
the name of the module in which the probe is located. This name is
either the name of a kernel module or the name of a user library.
Function If this probe corresponds to a specific program location,
the name of the program function in which the probe is located."
and then ...
2007 Jan 10
13
[DTrace] how to get socket read size
Hi
i''m trying to write my first dtrace script apparently i bit off a bit
more than i can chew, i want to track io over sockets, i found your
socketsize.d that gave me how to track writes, but i''m at a loss how
to track reads, frankly i don''t see how your write tracker works
because it uses a probe in a function that only takes two arguments
but you grab size of write
2007 Dec 29
1
why was some stack information lost.
...1)
{
sleep(1);
write(fd,value,strlen(value));
}
}
////////////////////////////////////////
and the dtrace script (write.d) is:
syscall::write:entry,
fbt::write:entry,
pid$1::write:entry,
pid$1::write:return,
pid$1::_write:entry
/pid==$1/
{
printf("%s:%s:%s:%s\n",probeprov,probemod,probefunc,probename);
stack(100);
ustack(100);
}
///////////////////////////////
when runs the script, the result is :
pid17632:libc.so.1:write:entry
libc.so.1`write
a.out`main+0x43
a.out`_start+0x7a
pid17632:libc.so.1:_write:entry
[b] libc.so....
2007 Feb 13
2
zpool export consumes whole CPU and takes more than 30 minutes to complete
...unix`thread_start+0x4
2608
unix`cpu_halt+0xc8
unix`idle+0x128
unix`thread_start+0x4
287026
bash-3.00#
bash-3.00# dtrace -n fbt:::entry''{self->vt=vtimestamp;}'' -n fbt:::return''/self->vt/{@[probemod,probefunc]=sum(vtimestamp-self->vt);}'' -n tick-10s''{trunc(@,20);printa(@);exit(0);}''
dtrace: description ''fbt:::entry'' matched 24134 probes
dtrace: description ''fbt:::return'' matched 24091 probes
dtrace: description ''tick-10...
2008 Jul 01
17
Memory leak scripts
Hola, I am trying to isolate the memory leak I suspect in a mailman
installation ? I found:
http://blogs.sun.com/sanjeevb/date/200506
It gives an error:
god at irt-smtp-02:~ 9:21am 65 # ./memleak.d 10312
dtrace: failed to compile script ./memleak.d: line 3: probe description
pid10312:libc.so.1:malloc:entry does not match any probes
I am on SunOS 5.10 Generic_127112-07 i86pc i386 i86pc
Are