tools/wakeuptime: Reverse order of stack output

tools/wakeuptime.py

@@ -9,6 +9,7 @@
 # Licensed under the Apache License, Version 2.0 (the "License")
 #
 # 14-Jan-2016 Brendan Gregg Created this.
+# 03-Apr-2023 Rocky Xing Modified the order of stack output.
 
 from __future__ import print_function
 from bcc import BPF
@@ -242,14 +243,14 @@ def signal_ignore(signal, frame):
  continue
 
  waker_kernel_stack = [] if k.w_k_stack_id < 1 else \
- reversed(list(stack_traces.walk(k.w_k_stack_id))[1:])
+ list(stack_traces.walk(k.w_k_stack_id))[1:]
 
  if folded:
  # print folded stack output
  line = \
  [k.waker] + \
  [b.ksym(addr)
- for addr in reversed(list(waker_kernel_stack))] + \
+ for addr in reversed(waker_kernel_stack)] + \
  [k.target]
  printb(b"%s %d" % (b";".join(line), v.value))
  else: