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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/kernel/time/timer_list.c
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@@ -1,13 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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- * kernel/time/timer_list.c
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- *
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  * List pending timers
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  *
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  * Copyright(C) 2006, Red Hat, Inc., Ingo Molnar
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/proc_fs.h>
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@@ -261,6 +256,14 @@
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 	print_name_offset(m, dev->event_handler);
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 	SEQ_printf(m, "\n");
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 	SEQ_printf(m, " retries:        %lu\n", dev->retries);
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+
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+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
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+	if (cpu >= 0) {
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+		const struct clock_event_device *wd = tick_get_wakeup_device(cpu);
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+
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+		SEQ_printf(m, "Wakeup Device: %s\n", wd ? wd->name : "<NULL>");
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+	}
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+#endif
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 	SEQ_printf(m, "\n");
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 }
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@@ -281,7 +284,7 @@
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 static inline void timer_list_header(struct seq_file *m, u64 now)
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 {
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-	SEQ_printf(m, "Timer List Version: v0.8\n");
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+	SEQ_printf(m, "Timer List Version: v0.9\n");
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 	SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES);
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 	SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now);
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 	SEQ_printf(m, "\n");