kernel: Enable kprobes and other tracing features

All of these should have minimal performance impact unless enabled at
runtime.
This commit is contained in:
Eelco Dolstra 2015-03-11 17:11:41 +01:00
parent dfc6809215
commit 798e613e16

View file

@ -53,7 +53,6 @@ with stdenv.lib;
NUMA? y
# Disable some expensive (?) features.
KPROBES n
PM_TRACE_RTC n
# Enable various subsystems.
@ -300,9 +299,14 @@ with stdenv.lib;
# Tracing.
FTRACE y
KPROBES y
FUNCTION_TRACER y
FTRACE_SYSCALLS y
SCHED_TRACER y
STACK_TRACER y
UPROBE_EVENT y
FUNCTION_PROFILER y
RING_BUFFER_BENCHMARK n
# Devtmpfs support.
DEVTMPFS y