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authorJeremy Kerr <jk@ozlabs.org>2009-03-11 17:55:52 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-24 13:47:28 +1100
commitfc59a3fc8eed3a2c811e64ec65015d7eb1459ace (patch)
treeb2ba8d071b92e85ba74ca59c402e0c63d4be1b95 /scripts/Makefile.clean
parent098e8957afd86323db04cbb8deea3bd158f9cc71 (diff)
powerpc: Add virtual processor dispatch trace log
pseries SPLPAR machines are able to retrieve a log of dispatch and preempt events from the hypervisor. With this information, we can see when and why each dispatch & preempt is occuring. This change adds a set of debugfs files allowing userspace to read this dispatch log. Based on initial patches from Nishanth Aravamudan <nacc@us.ibm.com>. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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