Re: Process Resource Update

[Martin Pala]

Ugh - during testing monit with the proc patch crashed on exit in 
delprocesstree():

(gdb) bt
#0  0x4022d13c in mallopt () from /lib/tls/i686/cmov/libc.so.6
#1  0x40227247 in _IO_file_xsputn () from /lib/tls/i686/cmov/libc.so.6
#2  0x4022bf80 in free () from /lib/tls/i686/cmov/libc.so.6
#3  0x402ef700 in __after_morecore_hook () from /lib/tls/i686/cmov/libc.so.6
#4  0x08091028 in ?? ()
#5  0x00000000 in ?? ()
#6  0x00001098 in ?? ()
#7  0x08091028 in ?? ()
#8  0x08051a66 in delprocesstree (pt=0x8091028, size=72) at process.c:333
#9  0x0804d77d in gc () at gc.c:84
#10 0x0805037e in do_exit () at monitor.c:422
#11 0x0805049e in do_default () at monitor.c:475
#12 0x0804fdff in main (argc=72, argv=0xbffff8d4) at monitor.c:117

(gdb) info threads
  2 process 7265  0x4002ab34 in start_thread () from 
/lib/tls/i686/cmov/libpthread.so.0
* 1 process 7264  0x4022d13c in mallopt () from /lib/tls/i686/cmov/libc.so.6

(gdb) thread 2
[Switching to thread 2 (process 7265)]#0  0x4002ab34 in start_thread () 
from /lib/tls/i686/cmov/libpthread.so.0

(gdb) bt
#0  0x4002ab34 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#1  0x00000000 in ?? ()



Christian Hopp wrote:
> On Tue, 27 Jul 2004, Christian Hopp wrote:
>
>
> > Hi!
> >
> > The attached patch is an extensive update to the process resource engine
> > in monit.  I have tested it with Linux and Solaris.  It should cleanly
> > separate the data gathering backend from the information frontend.  It
> > has some (hopefully minor) performance drawbacks on *BSD and AIX and it is
> > supposed to be faster on SOLARIS, LINUX and HPUX.  Furthermore it should
> > fix the reported 0% CPU issues reported earlier.
>
>
> And this is a newer version... more cleanup and no performance drawbacks.
>
> Christian