linux-kernel - [PATCH 1/8] PM: Add parent information to timing messages

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Message-Id: <201001240034.36423.rjw@sisk.pl>
Date:	Sun, 24 Jan 2010 00:34:36 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	linux-usb@...r.kernel.org, Greg KH <gregkh@...e.de>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	James Bottomley <James.Bottomley@...e.de>,
	Linux SCSI <linux-scsi@...r.kernel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Len Brown <lenb@...nel.org>,
	Nigel Cunningham <ncunningham@...a.org.au>
Subject: [PATCH 1/8] PM: Add parent information to timing messages

From: Rafael J. Wysocki <rjw@...k.pl>

Add parent information to the messages printed by the suspend/resume
core when initcall_debug is set.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 drivers/base/power/main.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux-2.6/drivers/base/power/main.c
===================================================================
--- linux-2.6.orig/drivers/base/power/main.c
+++ linux-2.6/drivers/base/power/main.c
@@ -271,8 +271,9 @@ static int pm_noirq_op(struct device *de
 	ktime_t calltime, delta, rettime;
 
 	if (initcall_debug) {
-		pr_info("calling  %s_i+ @ %i\n",
-				dev_name(dev), task_pid_nr(current));
+		pr_info("calling  %s+ @ %i, parent: %s\n",
+				dev_name(dev), task_pid_nr(current),
+				dev->parent ? dev_name(dev->parent) : "none");
 		calltime = ktime_get();
 	}
 

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