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Diffstat (limited to 'kernel/trace/Kconfig')
| -rw-r--r-- | kernel/trace/Kconfig | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 06c3d5be6759..d006554888dc 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -449,6 +449,23 @@ config BLK_DEV_IO_TRACE If unsure, say N. +config KPROBE_EVENT + depends on KPROBES + depends on X86 + bool "Enable kprobes-based dynamic events" + select TRACING + default y + help + This allows the user to add tracing events (similar to tracepoints) on the fly + via the ftrace interface. See Documentation/trace/kprobetrace.txt + for more details. + + Those events can be inserted wherever kprobes can probe, and record + various register and memory values. + + This option is also required by perf-probe subcommand of perf tools. If + you want to use perf tools, this option is strongly recommended. + config DYNAMIC_FTRACE bool "enable/disable ftrace tracepoints dynamically" depends on FUNCTION_TRACER |