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
next prev 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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