On Tue, Jun 01, 2021 at 03:24:02PM +0200, Gerd Hoffmann wrote: > Setting SYSTEMTAP_TAPSET to some value other than > /usr/share/systemtap/tapsets results in systemtap not finding the > standard tapset library any more, which in turn breaks tracing because > pid() and other standard systemtap functions are not available any more. > > So using SYSTEMTAP_TAPSET to point systemtap to the qemu probes will > only work for the prefix=/usr installs because both qemu and system > tapsets in the same directory then. All other prefixes are broken. > > Fix that by using the "-I $tapsetdir" command line switch instead. > > Signed-off-by: Gerd Hoffmann <kra...@redhat.com> > --- > scripts/qemu-trace-stap | 14 ++++---------- > 1 file changed, 4 insertions(+), 10 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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