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Re: problem tracing open syscalls
* Eugeniy Meshcheryakov <eugen@debian.org> [070225 21:43]:
> On what processor architecture do you run systemtap. And what compiler
> you used to compile kernel? Is '4485' in your example PID of existing
> process?
andreas@andi-lap:~> uname -a
Linux andi-lap 2.6.20 #1 Wed Feb 14 15:18:17 CET 2007 i686 GNU/Linux
andreas@andi-lap:~> gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v
--enable-languages=c,c++,java,f95,objc,ada,treelang --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --enable-nls
--program-suffix=-4.0 --enable-__cxa_atexit --enable-clocale=gnu
--enable-libstdcxx-debug --enable-java-awt=gtk-default
--enable-gtk-cairo
--with-java-home=/usr/lib/jvm/java-1.4.2-gcj-4.0-1.4.2.0/jre
--enable-mpfr --disable-werror --with-tune=i686
--enable-checking=release i486-linux-gnu
Thread model: posix
gcc version 4.0.4 20060507 (prerelease) (Debian 4.0.3-3)
andreas@andi-lap:~> ps 4485
PID TTY STAT TIME COMMAND
4485 ? Ss 0:21 runsv logs
Andreas
>
> 25 ÐÑÑÐÐÐ 2007 Ð 21:18 +0100 Andreas Kostyrka ÐÐÐÐÑÐÐ(-ÐÐ):
> > I've upgraded to
> > ii systemtap 0.0.20070217-1 instrumentation system for Linux 2.6
> >
> > and I'm getting the same behaviour :(
> >
> > One additional thing are the skipped probes, however one wants to
> > interpret it:
> > open 4485 <unknown>
> > open 4485 <unknown>
> > open 4485 <unknown>
> > WARNING: Number of errors: 0, skipped probes: 2073
> > Pass 5: run completed in 60usr/110sys/34870real ms.
>
> --
> Eugeniy Meshcheryakov