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From: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
To: linux-kernel@vger.kernel.org
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>,
	Liam Girdwood <lrg@ti.com>, Graeme Gregory <gg@slimlogic.co.uk>,
	Samuel Oritz <sameo@linux.intel.com>,
	Lars-Peter Clausen <lars@metafoo.de>
Subject: [PATCH 5/8] regmap: Add the regcache_sync trace event
Date: Fri,  2 Sep 2011 16:46:12 +0100	[thread overview]
Message-ID: <1314978375-11539-6-git-send-email-dp@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1314978375-11539-1-git-send-email-dp@opensource.wolfsonmicro.com>

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
---
 drivers/base/regmap/regcache.c |    8 +++++++-
 include/trace/events/regmap.h  |   24 ++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletions(-)

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 6aece9e..6346d77 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -174,12 +174,18 @@ EXPORT_SYMBOL_GPL(regcache_write);
  */
 int regcache_sync(struct regmap *map)
 {
+	int ret;
+	const char *name;
+
 	BUG_ON(!map->cache_ops);
 
 	if (map->cache_ops->sync) {
 		dev_dbg(map->dev, "Syncing %s cache\n",
 			map->cache_ops->name);
-		return map->cache_ops->sync(map);
+		name = map->cache_ops->name;
+		trace_regcache_sync(map->dev, name, "start");
+		ret = map->cache_ops->sync(map);
+		trace_regcache_sync(map->dev, name, "stop");
 	}
 	return 0;
 }
diff --git a/include/trace/events/regmap.h b/include/trace/events/regmap.h
index e35e37c..1e3193b 100644
--- a/include/trace/events/regmap.h
+++ b/include/trace/events/regmap.h
@@ -106,6 +106,30 @@ DEFINE_EVENT(regmap_block, regmap_hw_write_done,
 	TP_ARGS(dev, reg, count)
 );
 
+TRACE_EVENT(regcache_sync,
+
+	TP_PROTO(struct device *dev, const char *type,
+		 const char *status),
+
+	TP_ARGS(dev, type, status),
+
+	TP_STRUCT__entry(
+		__string(       name,           dev_name(dev)   )
+		__string(	status,		status		)
+		__string(	type,		type		)
+		__field(	int,		type		)
+	),
+
+	TP_fast_assign(
+		__assign_str(name, dev_name(dev));
+		__assign_str(status, status);
+		__assign_str(type, type);
+	),
+
+	TP_printk("%s type=%s status=%s", __get_str(name),
+		  __get_str(type), __get_str(status))
+);
+
 #endif /* _TRACE_REGMAP_H */
 
 /* This part must be outside protection */
-- 
1.7.6.1


  parent reply	other threads:[~2011-09-02 15:47 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-02 15:46 [PATCH 0/8] Introduce caching support for regmap Dimitris Papastamos
2011-09-02 15:46 ` [PATCH 1/8] regmap: Introduce caching support Dimitris Papastamos
2011-09-02 20:02   ` Lars-Peter Clausen
2011-09-02 23:48     ` Mark Brown
2011-09-03  1:10       ` Dimitris Papastamos
2011-09-04 15:57         ` Mark Brown
2011-09-05  9:44       ` Dimitris Papastamos
2011-09-05  9:43     ` Dimitris Papastamos
2011-09-05  9:55       ` Lars-Peter Clausen
2011-09-05 10:00         ` Dimitris Papastamos
2011-09-02 15:46 ` [PATCH 2/8] regmap: Add the indexed cache support Dimitris Papastamos
2011-09-02 20:16   ` Lars-Peter Clausen
2011-09-05  9:55     ` Dimitris Papastamos
2011-09-05 10:14       ` Lars-Peter Clausen
2011-09-05 18:22         ` Mark Brown
2012-07-17 11:16     ` Mark Brown
2012-07-17 14:24       ` Lars-Peter Clausen
2011-09-02 15:46 ` [PATCH 3/8] regmap: Add the rbtree " Dimitris Papastamos
2011-09-02 20:22   ` Lars-Peter Clausen
2011-09-05  9:58     ` Dimitris Papastamos
2011-09-02 15:46 ` [PATCH 4/8] regmap: Add the LZO " Dimitris Papastamos
2011-09-05 21:40   ` Matthieu CASTET
2011-09-07 19:19     ` Mark Brown
2011-09-02 15:46 ` Dimitris Papastamos [this message]
2011-09-02 15:46 ` [PATCH 6/8] regmap: Incorporate the regcache core into regmap Dimitris Papastamos
2011-09-02 15:46 ` [PATCH 7/8] regmap: It is impossible to be given a NULL defaults cache Dimitris Papastamos
2011-09-02 15:46 ` [PATCH 8/8] regmap: Support NULL cache_defaults_raw Dimitris Papastamos

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