tracing: Provide trace events interface for uprobes

[firefly-linux-kernel-4.4.55.git] / kernel / trace / Kconfig

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index a1d2849f247314ce7fc5d33e51ff3c06d3641771..ea4bff6295fcf0c37713dadd1304be3e47ac9995 100644 (file)
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -373,6 +373,7 @@ config KPROBE_EVENT
        depends on HAVE_REGS_AND_STACK_ACCESS_API
        bool "Enable kprobes-based dynamic events"
        select TRACING
+       select PROBE_EVENTS
        default y
        help
          This allows the user to add tracing events (similar to tracepoints)
@@ -385,6 +386,25 @@ config KPROBE_EVENT
          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 UPROBE_EVENT
+       bool "Enable uprobes-based dynamic events"
+       depends on ARCH_SUPPORTS_UPROBES
+       depends on MMU
+       select UPROBES
+       select PROBE_EVENTS
+       select TRACING
+       default n
+       help
+         This allows the user to add tracing events on top of userspace
+         dynamic events (similar to tracepoints) on the fly via the trace
+         events interface. Those events can be inserted wherever uprobes
+         can probe, and record various registers.
+         This option is required if you plan to use perf-probe subcommand
+         of perf tools on user space applications.
+
+config PROBE_EVENTS
+       def_bool n
+
 config DYNAMIC_FTRACE
        bool "enable/disable ftrace tracepoints dynamically"
        depends on FUNCTION_TRACER