linux3.15: enable kprobes, ftrace, timer_stats
+CONFIG_BINARY_PRINTF=y
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_BRANCH_PROFILE_NONE=y
+CONFIG_CONTEXT_SWITCH_TRACER=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DYNAMIC_FTRACE=y
+CONFIG_DYNAMIC_FTRACE_WITH_REGS=y
+CONFIG_EVENT_TRACING=y
+CONFIG_FTRACE=y
+CONFIG_FTRACE_MCOUNT_RECORD=y
+CONFIG_FTRACE_SYSCALLS=y
+CONFIG_FUNCTION_TRACER=y
+CONFIG_GENERIC_TRACER=y
+CONFIG_KPROBES=y
+CONFIG_KPROBES_ON_FTRACE=y
+CONFIG_KPROBE_EVENT=y
+CONFIG_KRETPROBES=y
+CONFIG_NOP_TRACER=y
+CONFIG_PERCPU_RWSEM=y
+CONFIG_PROBE_EVENTS=y
+CONFIG_RELOCATABLE=y
+CONFIG_STACKTRACE=y
+CONFIG_TIMER_STATS=y
+CONFIG_TRACEPOINTS=y
+CONFIG_TRACING=y
+CONFIG_UPROBES=y
+CONFIG_UPROBE_EVENT=y
+CONFIG_X86_16BIT=y
+CONFIG_X86_ESPFIX32=y
+CONFIG_X86_ESPFIX64=y
+CONFIG_X86_NEED_RELOCS=y
2acc6423a5