---

yaml
---
r: 140872
b: refs/heads/master
c: bc722f5
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 770cb24345c0f6e0d47bd2b94aa6d67bea6f8b54
+refs/heads/master: bc722f508a5bcbb65a7bb0c7ce8e3934f5763a1a

trunk/arch/Kconfig

@@ -6,6 +6,7 @@ config OPROFILE
 	tristate "OProfile system profiling (EXPERIMENTAL)"
 	depends on PROFILING
 	depends on HAVE_OPROFILE
+	depends on TRACING_SUPPORT
 	select TRACING
 	select RING_BUFFER
 	help

trunk/arch/x86/kernel/ftrace.c

@@ -436,7 +436,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
 		return;
 	}
 
-	calltime = cpu_clock(raw_smp_processor_id());
+	calltime = trace_clock_local();
 
 	if (ftrace_push_return_trace(old, calltime,
 				self_addr, &trace.depth) == -EBUSY) {

trunk/include/linux/ftrace.h

@@ -1,15 +1,16 @@
 #ifndef _LINUX_FTRACE_H
 #define _LINUX_FTRACE_H
 
-#include <linux/linkage.h>
-#include <linux/fs.h>
-#include <linux/ktime.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/module.h>
+#include <linux/trace_clock.h>
 #include <linux/kallsyms.h>
+#include <linux/linkage.h>
 #include <linux/bitops.h>
+#include <linux/module.h>
+#include <linux/ktime.h>
 #include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/fs.h>
 
 #include <asm/ftrace.h>
 

trunk/kernel/trace/Kconfig

@@ -53,12 +53,22 @@ config TRACING
 	select TRACEPOINTS
 	select NOP_TRACER
 
+#
+# Minimum requirements an architecture has to meet for us to
+# be able to offer generic tracing facilities:
+#
+config TRACING_SUPPORT
+	bool
+	depends on TRACE_IRQFLAGS_SUPPORT
+	depends on STACKTRACE_SUPPORT
+
+if TRACING_SUPPORT
+
 menu "Tracers"
 
 config FUNCTION_TRACER
 	bool "Kernel Function Tracer"
 	depends on HAVE_FUNCTION_TRACER
-	depends on DEBUG_KERNEL
 	select FRAME_POINTER
 	select KALLSYMS
 	select TRACING
@@ -91,7 +101,6 @@ config IRQSOFF_TRACER
 	default n
 	depends on TRACE_IRQFLAGS_SUPPORT
 	depends on GENERIC_TIME
-	depends on DEBUG_KERNEL
 	select TRACE_IRQFLAGS
 	select TRACING
 	select TRACER_MAX_TRACE
@@ -114,7 +123,6 @@ config PREEMPT_TRACER
 	default n
 	depends on GENERIC_TIME
 	depends on PREEMPT
-	depends on DEBUG_KERNEL
 	select TRACING
 	select TRACER_MAX_TRACE
 	help
@@ -142,7 +150,6 @@ config SYSPROF_TRACER
 
 config SCHED_TRACER
 	bool "Scheduling Latency Tracer"
-	depends on DEBUG_KERNEL
 	select TRACING
 	select CONTEXT_SWITCH_TRACER
 	select TRACER_MAX_TRACE
@@ -152,7 +159,6 @@ config SCHED_TRACER
 
 config CONTEXT_SWITCH_TRACER
 	bool "Trace process context switches"
-	depends on DEBUG_KERNEL
 	select TRACING
 	select MARKERS
 	help
@@ -161,7 +167,6 @@ config CONTEXT_SWITCH_TRACER
 
 config EVENT_TRACER
 	bool "Trace various events in the kernel"
-	depends on DEBUG_KERNEL
 	select TRACING
 	help
 	  This tracer hooks to various trace points in the kernel
@@ -170,7 +175,6 @@ config EVENT_TRACER
 
 config BOOT_TRACER
 	bool "Trace boot initcalls"
-	depends on DEBUG_KERNEL
 	select TRACING
 	select CONTEXT_SWITCH_TRACER
 	help
@@ -188,7 +192,6 @@ config BOOT_TRACER
 
 config TRACE_BRANCH_PROFILING
 	bool "Trace likely/unlikely profiler"
-	depends on DEBUG_KERNEL
 	select TRACING
 	help
 	  This tracer profiles all the the likely and unlikely macros
@@ -241,7 +244,6 @@ config BRANCH_TRACER
 
 config POWER_TRACER
 	bool "Trace power consumption behavior"
-	depends on DEBUG_KERNEL
 	depends on X86
 	select TRACING
 	help
@@ -253,7 +255,6 @@ config POWER_TRACER
 config STACK_TRACER
 	bool "Trace max stack"
 	depends on HAVE_FUNCTION_TRACER
-	depends on DEBUG_KERNEL
 	select FUNCTION_TRACER
 	select STACKTRACE
 	select KALLSYMS
@@ -343,7 +344,6 @@ config DYNAMIC_FTRACE
 	bool "enable/disable ftrace tracepoints dynamically"
 	depends on FUNCTION_TRACER
 	depends on HAVE_DYNAMIC_FTRACE
-	depends on DEBUG_KERNEL
 	default y
 	help
          This option will modify all the calls to ftrace dynamically
@@ -369,7 +369,7 @@ config FTRACE_SELFTEST
 
 config FTRACE_STARTUP_TEST
 	bool "Perform a startup test on ftrace"
-	depends on TRACING && DEBUG_KERNEL
+	depends on TRACING
 	select FTRACE_SELFTEST
 	help
 	  This option performs a series of startup tests on ftrace. On bootup
@@ -379,7 +379,7 @@ config FTRACE_STARTUP_TEST
 
 config MMIOTRACE
 	bool "Memory mapped IO tracing"
-	depends on HAVE_MMIOTRACE_SUPPORT && DEBUG_KERNEL && PCI
+	depends on HAVE_MMIOTRACE_SUPPORT && PCI
 	select TRACING
 	help
 	  Mmiotrace traces Memory Mapped I/O access and is meant for
@@ -401,3 +401,6 @@ config MMIOTRACE_TEST
 	  Say N, unless you absolutely know what you are doing.
 
 endmenu
+
+endif # TRACING_SUPPORT
+

trunk/kernel/trace/trace_functions_graph.c

@@ -112,7 +112,7 @@ unsigned long ftrace_return_to_handler(void)
 	unsigned long ret;
 
 	ftrace_pop_return_trace(&trace, &ret);
-	trace.rettime = cpu_clock(raw_smp_processor_id());
+	trace.rettime = trace_clock_local();
 	ftrace_graph_return(&trace);
 
 	if (unlikely(!ret)) {