diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py index 18337e01ddef..b683da92f194 100644 --- a/scripts/gdb/linux/cpus.py +++ b/scripts/gdb/linux/cpus.py @@ -66,3 +66,20 @@ Note that VAR has to be quoted as string.""" PerCpu() + + +class LxCurrentFunc(gdb.Function): + """Return current task. + +$lx_current([CPU]): Return the per-cpu task variable for the given CPU +number. If CPU is omitted, the CPU of the current context is used.""" + + def __init__(self): + super(LxCurrentFunc, self).__init__("lx_current") + + def invoke(self, cpu=-1): + var_ptr = gdb.parse_and_eval("¤t_task") + return per_cpu(var_ptr, cpu).dereference() + + +LxCurrentFunc()