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authorArjan van de Ven <arjan@linux.intel.com>2009-01-10 10:03:05 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-10 15:06:52 -0800
commitd3f8ddea444b3b5324d74144177a50557cd1f137 (patch)
treebd8ef7a455b52d219abb382e74c3638cc8db550b /fs/ufs
parentfa853a48413c2ca1a5dc6b539bf07cf8e7247f8e (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>
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