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(parent: fa853a4) | patch
bootgraph: make the bootgraph script show async waiting time
authorArjan van de Ven <arjan@linux.intel.com>
Sat, 10 Jan 2009 18:03:05 +0000 (10:03 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 10 Jan 2009 23:06:52 +0000 (15:06 -0800)
commitd3f8ddea444b3b5324d74144177a50557cd1f137
treebd8ef7a455b52d219abb382e74c3638cc8db550btree | snapshot
parentfa853a48413c2ca1a5dc6b539bf07cf8e7247f8ecommit | diff
bootgraph: make the bootgraph script show async waiting time

It is useful for diagnosing boot performance to see where async function
calls are waiting on serialization...  this patch adds this
functionality to the bootgraph.pl script.

The waiting time is shown as a half transparent, gray bar through the
block that is waiting.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
scripts/bootgraph.pl diff | blob | history
John Crispins staging tree