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authorK.Prasad <prasad@linux.vnet.ibm.com>2009-06-01 23:46:20 +0530
committerFrederic Weisbecker <fweisbec@gmail.com>2009-06-02 22:47:00 +0200
commit432039933a16b8227b7b267f46ac1c1b9b3adf14 (patch)
tree9ca2b6af261a968e2c1cccaeb0a9c89b1cb701a0 /samples/Kconfig
parent17f557e5b5d43a2af66c969f6560ac7105020672 (diff)
downloadblackbird-op-linux-432039933a16b8227b7b267f46ac1c1b9b3adf14.tar.gz
blackbird-op-linux-432039933a16b8227b7b267f46ac1c1b9b3adf14.zip
hw-breakpoints: sample HW breakpoint over kernel data address
This patch introduces a sample kernel module to demonstrate the use of Hardware Breakpoint feature. It places a breakpoint over the kernel variable 'pid_max' to monitor all write operations and emits a function-backtrace when done. Signed-off-by: K.Prasad <prasad@linux.vnet.ibm.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'samples/Kconfig')
-rw-r--r--samples/Kconfig6
1 files changed, 6 insertions, 0 deletions
diff --git a/samples/Kconfig b/samples/Kconfig
index b75d28cba3f7..8458516c693c 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -45,5 +45,11 @@ config SAMPLE_KRETPROBES
default m
depends on SAMPLE_KPROBES && KRETPROBES
+config SAMPLE_HW_BREAKPOINT
+ tristate "Build kernel hardware breakpoint examples -- loadable module only"
+ depends on HAVE_HW_BREAKPOINT && m
+ help
+ This builds kernel hardware breakpoint example modules.
+
endif # SAMPLES
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