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-rw-r--r--scripts/gdb/linux/cpus.py17
1 files changed, 17 insertions, 0 deletions
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("&current_task")
+ return per_cpu(var_ptr, cpu).dereference()
+
+
+LxCurrentFunc()