diff options
Diffstat (limited to 'kernel/trace')
-rw-r--r-- | kernel/trace/Kconfig | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index d7b2de744631..254328dec672 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig | |||
@@ -1,8 +1,13 @@ | |||
1 | # | 1 | # |
2 | # Architectures that offer an FTRACE implementation should select HAVE_FTRACE: | 2 | # Architectures that offer an FTRACE implementation should select HAVE_FTRACE: |
3 | # | 3 | # |
4 | |||
5 | config NOP_TRACER | ||
6 | bool | ||
7 | |||
4 | config HAVE_FTRACE | 8 | config HAVE_FTRACE |
5 | bool | 9 | bool |
10 | select NOP_TRACER | ||
6 | 11 | ||
7 | config HAVE_DYNAMIC_FTRACE | 12 | config HAVE_DYNAMIC_FTRACE |
8 | bool | 13 | bool |
@@ -101,16 +106,6 @@ config SCHED_TRACER | |||
101 | This tracer tracks the latency of the highest priority task | 106 | This tracer tracks the latency of the highest priority task |
102 | to be scheduled in, starting from the point it has woken up. | 107 | to be scheduled in, starting from the point it has woken up. |
103 | 108 | ||
104 | config NOP_TRACER | ||
105 | bool "NOP Tracer" | ||
106 | depends on HAVE_FTRACE | ||
107 | depends on DEBUG_KERNEL | ||
108 | select TRACING | ||
109 | help | ||
110 | This tracer does nothing. The primary purpose for it is to | ||
111 | politely print the output of ftrace_printk() calls without | ||
112 | the overhead of an irrelevant trace taking place. | ||
113 | |||
114 | config CONTEXT_SWITCH_TRACER | 109 | config CONTEXT_SWITCH_TRACER |
115 | bool "Trace process context switches" | 110 | bool "Trace process context switches" |
116 | depends on HAVE_FTRACE | 111 | depends on HAVE_FTRACE |