On Thu, Apr 17, 2014 at 10:39:56AM +1000, Dave Chinner wrote: > so, basically a script that does: > > #!/bin/bash > > TRACEDIR=/sys/kernel/debug/tracing > > grep -i 't xfs_' /proc/kallsyms | awk '{print $3}' ; while read F; do > echo "r:ret_$F $F \$retval" >> $TRACEDIR/kprobe_events > done > > for E in $TRACEDIR/events/kprobes/ret_xfs_*/enable; do > echo 1 > $E > done; > > echo 'arg1 > 0xffffffffffffff00' > $TRACEDIR/events/kprobes/filter > > for T in $TRACEDIR/events/kprobes/ret_xfs_*/trigger; do > echo 'traceoff if arg1 > 0xffffffffffffff00' > $T > done This looks incredibly useful! Can we throw this into Documentation/ as a helper script (and make the xfs a command line parameter so it's genericly useful)? One think that would be nice is to specify a module instead of relying on a clean namespace, but to replace the XFS functionality the one above is more than enough. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs