--------------------------
Function arguments can be accessed at exit probe using $arg<N> fetcharg. This
is useful to record the function parameter and return value at once, and
-trace the difference of structure fields (for debuging a function whether it
+trace the difference of structure fields (for debugging a function whether it
correctly updates the given data structure or not)
See the :ref:`sample<fprobetrace_exit_args_sample>` below for how it works.
cat-143 [007] ...1. 1945.720616: vfs_open__entry: (vfs_open+0x4/0x40) mode=0x1 inode=0x0
cat-143 [007] ...1. 1945.728263: vfs_open__exit: (do_open+0x274/0x3d0 <- vfs_open) mode=0xa800d inode=0xffff888004ada8d8
-You can see the `file::f_mode` and `file::f_inode` are upated in `vfs_open()`.
+You can see the `file::f_mode` and `file::f_inode` are updated in `vfs_open()`.
One common case that people are interested in tracing is the
time it takes for a task that is woken to actually wake up.
Now for non Real-Time tasks, this can be arbitrary. But tracing
-it none the less can be interesting.
+it nonetheless can be interesting.
Without function tracing::
-------------------------------
Function arguments can be accessed at kretprobe using $arg<N> fetcharg. This
is useful to record the function parameter and return value at once, and
-trace the difference of structure fields (for debuging a function whether it
+trace the difference of structure fields (for debugging a function whether it
correctly updates the given data structure or not).
See the :ref:`sample<fprobetrace_exit_args_sample>` in fprobe event for how
it works.