Re: MAXACTION exceeded error while using systemtap

[Badari Pulavarty <pbadari at us dot ibm dot com>]

On Tue, 2005-12-06 at 11:59 -0500, Frank Ch. Eigler wrote:
> Badari Pulavarty <pbadari@us.ibm.com> writes:
> 
> > I am trying to collect pagecache usage info using systemtap
> > and I get following error, while reporting. What should I 
> > do fix it ?
> > [...]
> > ERROR: MAXACTION exceeded near embedded-code
> > at /usr/local/share/systemtap/tapset/logging.stp:9:29
> 
> See http://sourceware.org/bugzilla/show_bug.cgi?id=1866

Okay, Thank you.

BTW, I am impressed with the NO (noticeable) overhead added 
by having systemtap probes. Of course, I wasn't really doing
a performance measurement. I was doing untars, kernel compiles
with probes in add_to_page_cache() and remove_from_page() -
which gets called a lot and didn't make much difference in the
kernel compile time :)


time with probe:
(Totals PageAdd = 215326 PageDel = 17612)

real    3m40.492s
user    5m44.894s
sys     1m2.276s

time without probe:

real    3m40.085s
user    5m45.650s
sys     1m1.572s




Thanks,
Badari