From 7175b7585f84bb8e7de5f6a1e694c3275377cecb Mon Sep 17 00:00:00 2001 From: Mike Chan Date: Tue, 16 Feb 2010 14:18:55 -0800 Subject: power: wakelock: Print active wakelocks when has_wake_lock() is called When DEBUG_SUSPEND is enabled print active wakelocks when we check if there are any active wakelocks. In print_active_locks(), print expired wakelocks if DEBUG_EXPIRE is enabled Change-Id: Ib1cb795555e71ff23143a2bac7c8a58cbce16547 Signed-off-by: Mike Chan --- kernel/power/wakelock.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'kernel') diff --git a/kernel/power/wakelock.c b/kernel/power/wakelock.c index 4b0e26065be0..ca48bb8d316b 100644 --- a/kernel/power/wakelock.c +++ b/kernel/power/wakelock.c @@ -208,20 +208,23 @@ static void expire_wake_lock(struct wake_lock *lock) /* Caller must acquire the list_lock spinlock */ static void print_active_locks(int type) { - unsigned long irqflags; struct wake_lock *lock; + bool print_expired = true; BUG_ON(type >= WAKE_LOCK_TYPE_COUNT); list_for_each_entry(lock, &active_wake_locks[type], link) { if (lock->flags & WAKE_LOCK_AUTO_EXPIRE) { long timeout = lock->expires - jiffies; - if (timeout <= 0) - pr_info("wake lock %s, expired\n", lock->name); - else + if (timeout > 0) pr_info("active wake lock %s, time left %ld\n", lock->name, timeout); - } else + else if (print_expired) + pr_info("wake lock %s, expired\n", lock->name); + } else { pr_info("active wake lock %s\n", lock->name); + if (!debug_mask & DEBUG_EXPIRE) + print_expired = false; + } } } @@ -250,6 +253,8 @@ long has_wake_lock(int type) unsigned long irqflags; spin_lock_irqsave(&list_lock, irqflags); ret = has_wake_lock_locked(type); + if (ret && (debug_mask & DEBUG_SUSPEND) && type == WAKE_LOCK_SUSPEND) + print_active_locks(type); spin_unlock_irqrestore(&list_lock, irqflags); return ret; } -- cgit v1.2.3