1# SPDX-License-Identifier: GPL-2.0 2# 3# Copyright (c) NXP 2019 4 5import gdb 6import sys 7 8from linux import utils, lists 9 10clk_core_type = utils.CachedType("struct clk_core") 11 12 13def clk_core_for_each_child(hlist_head): 14 return lists.hlist_for_each_entry(hlist_head, 15 clk_core_type.get_type().pointer(), "child_node") 16 17 18class LxClkSummary(gdb.Command): 19 """Print Linux kernel log buffer.""" 20 21 def __init__(self): 22 super(LxClkSummary, self).__init__("lx-clk-summary", gdb.COMMAND_DATA) 23 24 def show_subtree(self, clk, level): 25 gdb.write("%*s%-*s %7d %8d %8d\n" % ( 26 level * 3 + 1, "", 27 30 - level * 3, 28 clk['name'].string(), 29 clk['enable_count'], 30 clk['prepare_count'], 31 clk['protect_count'])) 32 33 for child in clk_core_for_each_child(clk['children']): 34 self.show_subtree(child, level + 1) 35 36 def invoke(self, arg, from_tty): 37 gdb.write(" enable prepare protect\n") 38 gdb.write(" clock count count count\n") 39 gdb.write("---------------------------------------------------------\n") 40 for clk in clk_core_for_each_child(gdb.parse_and_eval("clk_root_list")): 41 self.show_subtree(clk, 0) 42 for clk in clk_core_for_each_child(gdb.parse_and_eval("clk_orphan_list")): 43 self.show_subtree(clk, 0) 44 45 46LxClkSummary() 47