---

yaml --- r: 23280 b: refs/heads/master c: 2056a78 h: refs/heads/master v: v3
git-mirror · Mar 23, 2006 · 494ca6a · 494ca6a
1 parent 737bea9
commit 494ca6a
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Showing 18 changed files with 917 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6dac40a7ce2483a47b54af07afebeb84131c7228
+refs/heads/master: 2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4
diff --git a/trunk/block/Kconfig b/trunk/block/Kconfig
@@ -11,4 +11,16 @@ config LBD
 	  your machine, or if you want to have a raid or loopback device
 	  bigger than 2TB.  Otherwise say N.
 
+config BLK_DEV_IO_TRACE
+	bool "Support for tracing block io actions"
+	select RELAY
+	select DEBUG_FS
+	help
+	  Say Y here, if you want to be able to trace the block layer actions
+	  on a given queue. Tracing allows you to see any traffic happening
+	  on a block device queue. For more information (and the user space
+	  support tools needed), fetch the blktrace app from:
+
+	  git://brick.kernel.dk/data/git/blktrace.git
+
 source block/Kconfig.iosched
diff --git a/trunk/block/Makefile b/trunk/block/Makefile
@@ -8,3 +8,5 @@ obj-$(CONFIG_IOSCHED_NOOP)	+= noop-iosched.o
 obj-$(CONFIG_IOSCHED_AS)	+= as-iosched.o
 obj-$(CONFIG_IOSCHED_DEADLINE)	+= deadline-iosched.o
 obj-$(CONFIG_IOSCHED_CFQ)	+= cfq-iosched.o
+
+obj-$(CONFIG_BLK_DEV_IO_TRACE)	+= blktrace.o