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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/kernel/power/process.c
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@@ -23,6 +23,8 @@
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 #include <trace/events/power.h>
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 #include <linux/cpuset.h>
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+#include <trace/hooks/power.h>
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+
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 /*
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  * Timeout for stopping processes
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  */
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@@ -99,13 +101,19 @@
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 		if (wq_busy)
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 			show_workqueue_state();
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-		read_lock(&tasklist_lock);
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-		for_each_process_thread(g, p) {
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-			if (p != current && !freezer_should_skip(p)
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-			    && freezing(p) && !frozen(p))
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-				sched_show_task(p);
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+		if (pm_debug_messages_on) {
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+			read_lock(&tasklist_lock);
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+			for_each_process_thread(g, p) {
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+				if (p != current && !freezer_should_skip(p)
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+				    && freezing(p) && !frozen(p)) {
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+					sched_show_task(p);
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+					trace_android_vh_try_to_freeze_todo_unfrozen(p);
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+				}
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+			}
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+			read_unlock(&tasklist_lock);
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 		}
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-		read_unlock(&tasklist_lock);
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+
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+		trace_android_vh_try_to_freeze_todo(todo, elapsed_msecs, wq_busy);
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 	} else {
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 		pr_cont("(elapsed %d.%03d seconds) ", elapsed_msecs / 1000,
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 			elapsed_msecs % 1000);
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@@ -135,7 +143,7 @@
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 	if (!pm_freezing)
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 		atomic_inc(&system_freezing_cnt);
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-	pm_wakeup_clear(true);
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+	pm_wakeup_clear(0);
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 	pr_info("Freezing user space processes ... ");
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 	pm_freezing = true;
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 	error = try_to_freeze_tasks(true);
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@@ -147,7 +155,7 @@
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 	BUG_ON(in_atomic());
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 	/*
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-	 * Now that the whole userspace is frozen we need to disbale
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+	 * Now that the whole userspace is frozen we need to disable
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 	 * the OOM killer to disallow any further interference with
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 	 * killable tasks. There is no guarantee oom victims will
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 	 * ever reach a point they go away we have to wait with a timeout.