diff options
Diffstat (limited to 'kernel/trace/Kconfig')
-rw-r--r-- | kernel/trace/Kconfig | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 1cb3e1f616af..3533c583df47 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig | |||
@@ -1,11 +1,12 @@ | |||
1 | # | 1 | # |
2 | # Architectures that offer an FTRACE implementation should select HAVE_FTRACE: | 2 | # Architectures that offer an FUNCTION_TRACER implementation should |
3 | # select HAVE_FUNCTION_TRACER: | ||
3 | # | 4 | # |
4 | 5 | ||
5 | config NOP_TRACER | 6 | config NOP_TRACER |
6 | bool | 7 | bool |
7 | 8 | ||
8 | config HAVE_FTRACE | 9 | config HAVE_FUNCTION_TRACER |
9 | bool | 10 | bool |
10 | select NOP_TRACER | 11 | select NOP_TRACER |
11 | 12 | ||
@@ -28,9 +29,9 @@ config TRACING | |||
28 | select STACKTRACE | 29 | select STACKTRACE |
29 | select TRACEPOINTS | 30 | select TRACEPOINTS |
30 | 31 | ||
31 | config FTRACE | 32 | config FUNCTION_TRACER |
32 | bool "Kernel Function Tracer" | 33 | bool "Kernel Function Tracer" |
33 | depends on HAVE_FTRACE | 34 | depends on HAVE_FUNCTION_TRACER |
34 | depends on DEBUG_KERNEL | 35 | depends on DEBUG_KERNEL |
35 | select FRAME_POINTER | 36 | select FRAME_POINTER |
36 | select TRACING | 37 | select TRACING |
@@ -49,7 +50,6 @@ config IRQSOFF_TRACER | |||
49 | default n | 50 | default n |
50 | depends on TRACE_IRQFLAGS_SUPPORT | 51 | depends on TRACE_IRQFLAGS_SUPPORT |
51 | depends on GENERIC_TIME | 52 | depends on GENERIC_TIME |
52 | depends on HAVE_FTRACE | ||
53 | depends on DEBUG_KERNEL | 53 | depends on DEBUG_KERNEL |
54 | select TRACE_IRQFLAGS | 54 | select TRACE_IRQFLAGS |
55 | select TRACING | 55 | select TRACING |
@@ -73,7 +73,6 @@ config PREEMPT_TRACER | |||
73 | default n | 73 | default n |
74 | depends on GENERIC_TIME | 74 | depends on GENERIC_TIME |
75 | depends on PREEMPT | 75 | depends on PREEMPT |
76 | depends on HAVE_FTRACE | ||
77 | depends on DEBUG_KERNEL | 76 | depends on DEBUG_KERNEL |
78 | select TRACING | 77 | select TRACING |
79 | select TRACER_MAX_TRACE | 78 | select TRACER_MAX_TRACE |
@@ -101,7 +100,6 @@ config SYSPROF_TRACER | |||
101 | 100 | ||
102 | config SCHED_TRACER | 101 | config SCHED_TRACER |
103 | bool "Scheduling Latency Tracer" | 102 | bool "Scheduling Latency Tracer" |
104 | depends on HAVE_FTRACE | ||
105 | depends on DEBUG_KERNEL | 103 | depends on DEBUG_KERNEL |
106 | select TRACING | 104 | select TRACING |
107 | select CONTEXT_SWITCH_TRACER | 105 | select CONTEXT_SWITCH_TRACER |
@@ -112,7 +110,6 @@ config SCHED_TRACER | |||
112 | 110 | ||
113 | config CONTEXT_SWITCH_TRACER | 111 | config CONTEXT_SWITCH_TRACER |
114 | bool "Trace process context switches" | 112 | bool "Trace process context switches" |
115 | depends on HAVE_FTRACE | ||
116 | depends on DEBUG_KERNEL | 113 | depends on DEBUG_KERNEL |
117 | select TRACING | 114 | select TRACING |
118 | select MARKERS | 115 | select MARKERS |
@@ -122,7 +119,6 @@ config CONTEXT_SWITCH_TRACER | |||
122 | 119 | ||
123 | config BOOT_TRACER | 120 | config BOOT_TRACER |
124 | bool "Trace boot initcalls" | 121 | bool "Trace boot initcalls" |
125 | depends on HAVE_FTRACE | ||
126 | depends on DEBUG_KERNEL | 122 | depends on DEBUG_KERNEL |
127 | select TRACING | 123 | select TRACING |
128 | help | 124 | help |
@@ -141,9 +137,9 @@ config BOOT_TRACER | |||
141 | 137 | ||
142 | config STACK_TRACER | 138 | config STACK_TRACER |
143 | bool "Trace max stack" | 139 | bool "Trace max stack" |
144 | depends on HAVE_FTRACE | 140 | depends on HAVE_FUNCTION_TRACER |
145 | depends on DEBUG_KERNEL | 141 | depends on DEBUG_KERNEL |
146 | select FTRACE | 142 | select FUNCTION_TRACER |
147 | select STACKTRACE | 143 | select STACKTRACE |
148 | help | 144 | help |
149 | This special tracer records the maximum stack footprint of the | 145 | This special tracer records the maximum stack footprint of the |
@@ -160,7 +156,7 @@ config STACK_TRACER | |||
160 | 156 | ||
161 | config DYNAMIC_FTRACE | 157 | config DYNAMIC_FTRACE |
162 | bool "enable/disable ftrace tracepoints dynamically" | 158 | bool "enable/disable ftrace tracepoints dynamically" |
163 | depends on FTRACE | 159 | depends on FUNCTION_TRACER |
164 | depends on HAVE_DYNAMIC_FTRACE | 160 | depends on HAVE_DYNAMIC_FTRACE |
165 | depends on DEBUG_KERNEL | 161 | depends on DEBUG_KERNEL |
166 | default y | 162 | default y |
@@ -170,7 +166,7 @@ config DYNAMIC_FTRACE | |||
170 | with a No-Op instruction) as they are called. A table is | 166 | with a No-Op instruction) as they are called. A table is |
171 | created to dynamically enable them again. | 167 | created to dynamically enable them again. |
172 | 168 | ||
173 | This way a CONFIG_FTRACE kernel is slightly larger, but otherwise | 169 | This way a CONFIG_FUNCTION_TRACER kernel is slightly larger, but otherwise |
174 | has native performance as long as no tracing is active. | 170 | has native performance as long as no tracing is active. |
175 | 171 | ||
176 | The changes to the code are done by a kernel thread that | 172 | The changes to the code are done by a kernel thread that |