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no access to local variables in function


i'm new to systemtap. I try to check some local variables of kernel functions. I have a SLES 10 SP4, kernel I'm using systemtap 0.8.
I'm following the instructions from .

If I try to use the example from this page I get:
idcc-devel:~/systemtap # stap -L 'kernel.function("vfs_read")'

Checking other functions with local variables also does not work:
idcc-devel:~/systemtap # stap -L 'kernel.function("local_bh_enable")'

idcc-devel:~/systemtap # stap -L 'kernel.function("__tasklet_schedule")'

idcc-devel:~/systemtap # stap -L 'kernel.function("tasklet_kill_immediate")'

I don't see any local variable. What can I do ?

Btw: is there a chance to monitor the variables of a blacklisted function ?



Bernd Lentes

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