ftrace: rename FTRACE to FUNCTION_TRACER
Due to confusion between the ftrace infrastructure and the gcc profiling
tracer "ftrace", this patch renames the config options from FTRACE to
FUNCTION_TRACER. The other two names that are offspring from FTRACE
DYNAMIC_FTRACE and FTRACE_MCOUNT_RECORD will stay the same.
This patch was generated mostly by script, and partially by hand.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/Makefile b/kernel/Makefile
index 8f9ce7e..85f588a 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -13,7 +13,7 @@
CFLAGS_REMOVE_sched.o = -mno-spe
-ifdef CONFIG_FTRACE
+ifdef CONFIG_FUNCTION_TRACER
# Do not trace debug files and internal ftrace files
CFLAGS_REMOVE_lockdep.o = -pg
CFLAGS_REMOVE_lockdep_proc.o = -pg
@@ -86,7 +86,7 @@
obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
obj-$(CONFIG_LATENCYTOP) += latencytop.o
obj-$(CONFIG_HAVE_GENERIC_DMA_COHERENT) += dma-coherent.o
-obj-$(CONFIG_FTRACE) += trace/
+obj-$(CONFIG_FUNCTION_TRACER) += trace/
obj-$(CONFIG_TRACING) += trace/
obj-$(CONFIG_SMP) += sched_cpupri.o
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 617d41e..619eb9f 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -464,7 +464,7 @@
.mode = 0644,
.proc_handler = &proc_dointvec,
},
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
{
.ctl_name = CTL_UNNUMBERED,
.procname = "ftrace_enabled",
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 5866edb..3533c58 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -1,11 +1,12 @@
#
-# Architectures that offer an FTRACE implementation should select HAVE_FTRACE:
+# Architectures that offer an FUNCTION_TRACER implementation should
+# select HAVE_FUNCTION_TRACER:
#
config NOP_TRACER
bool
-config HAVE_FTRACE
+config HAVE_FUNCTION_TRACER
bool
select NOP_TRACER
@@ -28,9 +29,9 @@
select STACKTRACE
select TRACEPOINTS
-config FTRACE
+config FUNCTION_TRACER
bool "Kernel Function Tracer"
- depends on HAVE_FTRACE
+ depends on HAVE_FUNCTION_TRACER
depends on DEBUG_KERNEL
select FRAME_POINTER
select TRACING
@@ -136,9 +137,9 @@
config STACK_TRACER
bool "Trace max stack"
- depends on HAVE_FTRACE
+ depends on HAVE_FUNCTION_TRACER
depends on DEBUG_KERNEL
- select FTRACE
+ select FUNCTION_TRACER
select STACKTRACE
help
This special tracer records the maximum stack footprint of the
@@ -155,7 +156,7 @@
config DYNAMIC_FTRACE
bool "enable/disable ftrace tracepoints dynamically"
- depends on FTRACE
+ depends on FUNCTION_TRACER
depends on HAVE_DYNAMIC_FTRACE
depends on DEBUG_KERNEL
default y
@@ -165,7 +166,7 @@
with a No-Op instruction) as they are called. A table is
created to dynamically enable them again.
- This way a CONFIG_FTRACE kernel is slightly larger, but otherwise
+ This way a CONFIG_FUNCTION_TRACER kernel is slightly larger, but otherwise
has native performance as long as no tracing is active.
The changes to the code are done by a kernel thread that
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index a85dfba..c8228b1 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -1,7 +1,7 @@
# Do not instrument the tracer itself:
-ifdef CONFIG_FTRACE
+ifdef CONFIG_FUNCTION_TRACER
ORIG_CFLAGS := $(KBUILD_CFLAGS)
KBUILD_CFLAGS = $(subst -pg,,$(ORIG_CFLAGS))
@@ -10,13 +10,13 @@
obj-y += trace_selftest_dynamic.o
endif
-obj-$(CONFIG_FTRACE) += libftrace.o
+obj-$(CONFIG_FUNCTION_TRACER) += libftrace.o
obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
obj-$(CONFIG_TRACING) += trace.o
obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o
obj-$(CONFIG_SYSPROF_TRACER) += trace_sysprof.o
-obj-$(CONFIG_FTRACE) += trace_functions.o
+obj-$(CONFIG_FUNCTION_TRACER) += trace_functions.o
obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o
obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff.o
obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d345d64..aeb2f25 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -851,7 +851,7 @@
preempt_enable_notrace();
}
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
static void
function_trace_call(unsigned long ip, unsigned long parent_ip)
{
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index f1f9957..6889ca4 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -335,7 +335,7 @@
extern cycle_t ftrace_now(int cpu);
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
void tracing_start_function_trace(void);
void tracing_stop_function_trace(void);
#else
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index a7db7f0..9c74071 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -63,7 +63,7 @@
*/
static __cacheline_aligned_in_smp unsigned long max_sequence;
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
/*
* irqsoff uses its own tracer function to keep the overhead down:
*/
@@ -104,7 +104,7 @@
{
.func = irqsoff_tracer_call,
};
-#endif /* CONFIG_FTRACE */
+#endif /* CONFIG_FUNCTION_TRACER */
/*
* Should this new latency be reported/recorded?
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index fe4a252..3ae93f1 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -31,7 +31,7 @@
static void __wakeup_reset(struct trace_array *tr);
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
/*
* irqsoff uses its own tracer function to keep the overhead down:
*/
@@ -96,7 +96,7 @@
{
.func = wakeup_tracer_call,
};
-#endif /* CONFIG_FTRACE */
+#endif /* CONFIG_FUNCTION_TRACER */
/*
* Should this new latency be reported/recorded?
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index 09cf230..95815d2 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -70,7 +70,7 @@
return ret;
}
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
#ifdef CONFIG_DYNAMIC_FTRACE
@@ -226,7 +226,7 @@
return ret;
}
-#endif /* CONFIG_FTRACE */
+#endif /* CONFIG_FUNCTION_TRACER */
#ifdef CONFIG_IRQSOFF_TRACER
int