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authorK.Prasad <prasad@linux.vnet.ibm.com>2009-06-01 22:16:40 +0400
committerFrederic Weisbecker <fweisbec@gmail.com>2009-06-03 00:47:00 +0400
commit0722db015c246204044299eae3b02d18d3ca4faf (patch)
treecc9a6b21961d62e1788ee2b9cbd0ae23b43f11a0 /arch/x86/mm/kmmio.c
parent432039933a16b8227b7b267f46ac1c1b9b3adf14 (diff)
downloadlinux-0722db015c246204044299eae3b02d18d3ca4faf.tar.xz
hw-breakpoints: ftrace plugin for kernel symbol tracing using HW Breakpoint interfaces
This patch adds an ftrace plugin to detect and profile memory access over kernel variables. It uses HW Breakpoint interfaces to 'watch memory addresses. Signed-off-by: K.Prasad <prasad@linux.vnet.ibm.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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