I found this feature to be useful - I often need to do reverse of
'call' option to Trick, i.e. I want to see all syscalls except some.
sf --trick=3DTrace:'ignore=3D["rt_sigaction", "rt_sigprocmask"]' /bin/ksh
=2E.will trace all syscalls except those 2 of them. The patch is simple.
Martin Ma=E8ok http://underground.cz/
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