aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/Kconfig1
-rw-r--r--kernel/trace/Kconfig29
2 files changed, 17 insertions, 13 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 550dab22daa1..a092dc77c24d 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -6,6 +6,7 @@ config OPROFILE
6 tristate "OProfile system profiling (EXPERIMENTAL)" 6 tristate "OProfile system profiling (EXPERIMENTAL)"
7 depends on PROFILING 7 depends on PROFILING
8 depends on HAVE_OPROFILE 8 depends on HAVE_OPROFILE
9 depends on TRACING_SUPPORT
9 select TRACING 10 select TRACING
10 select RING_BUFFER 11 select RING_BUFFER
11 help 12 help
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 999c6a2485df..5d733da5345a 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -53,12 +53,22 @@ config TRACING
53 select TRACEPOINTS 53 select TRACEPOINTS
54 select NOP_TRACER 54 select NOP_TRACER
55 55
56#
57# Minimum requirements an architecture has to meet for us to
58# be able to offer generic tracing facilities:
59#
60config TRACING_SUPPORT
61 bool
62 depends on TRACE_IRQFLAGS_SUPPORT
63 depends on STACKTRACE_SUPPORT
64
65if TRACING_SUPPORT
66
56menu "Tracers" 67menu "Tracers"
57 68
58config FUNCTION_TRACER 69config FUNCTION_TRACER
59 bool "Kernel Function Tracer" 70 bool "Kernel Function Tracer"
60 depends on HAVE_FUNCTION_TRACER 71 depends on HAVE_FUNCTION_TRACER
61 depends on DEBUG_KERNEL
62 select FRAME_POINTER 72 select FRAME_POINTER
63 select KALLSYMS 73 select KALLSYMS
64 select TRACING 74 select TRACING
@@ -91,7 +101,6 @@ config IRQSOFF_TRACER
91 default n 101 default n
92 depends on TRACE_IRQFLAGS_SUPPORT 102 depends on TRACE_IRQFLAGS_SUPPORT
93 depends on GENERIC_TIME 103 depends on GENERIC_TIME
94 depends on DEBUG_KERNEL
95 select TRACE_IRQFLAGS 104 select TRACE_IRQFLAGS
96 select TRACING 105 select TRACING
97 select TRACER_MAX_TRACE 106 select TRACER_MAX_TRACE
@@ -114,7 +123,6 @@ config PREEMPT_TRACER
114 default n 123 default n
115 depends on GENERIC_TIME 124 depends on GENERIC_TIME
116 depends on PREEMPT 125 depends on PREEMPT
117 depends on DEBUG_KERNEL
118 select TRACING 126 select TRACING
119 select TRACER_MAX_TRACE 127 select TRACER_MAX_TRACE
120 help 128 help
@@ -142,7 +150,6 @@ config SYSPROF_TRACER
142 150
143config SCHED_TRACER 151config SCHED_TRACER
144 bool "Scheduling Latency Tracer" 152 bool "Scheduling Latency Tracer"
145 depends on DEBUG_KERNEL
146 select TRACING 153 select TRACING
147 select CONTEXT_SWITCH_TRACER 154 select CONTEXT_SWITCH_TRACER
148 select TRACER_MAX_TRACE 155 select TRACER_MAX_TRACE
@@ -152,7 +159,6 @@ config SCHED_TRACER
152 159
153config CONTEXT_SWITCH_TRACER 160config CONTEXT_SWITCH_TRACER
154 bool "Trace process context switches" 161 bool "Trace process context switches"
155 depends on DEBUG_KERNEL
156 select TRACING 162 select TRACING
157 select MARKERS 163 select MARKERS
158 help 164 help
@@ -161,7 +167,6 @@ config CONTEXT_SWITCH_TRACER
161 167
162config EVENT_TRACER 168config EVENT_TRACER
163 bool "Trace various events in the kernel" 169 bool "Trace various events in the kernel"
164 depends on DEBUG_KERNEL
165 select TRACING 170 select TRACING
166 help 171 help
167 This tracer hooks to various trace points in the kernel 172 This tracer hooks to various trace points in the kernel
@@ -170,7 +175,6 @@ config EVENT_TRACER
170 175
171config BOOT_TRACER 176config BOOT_TRACER
172 bool "Trace boot initcalls" 177 bool "Trace boot initcalls"
173 depends on DEBUG_KERNEL
174 select TRACING 178 select TRACING
175 select CONTEXT_SWITCH_TRACER 179 select CONTEXT_SWITCH_TRACER
176 help 180 help
@@ -188,7 +192,6 @@ config BOOT_TRACER
188 192
189config TRACE_BRANCH_PROFILING 193config TRACE_BRANCH_PROFILING
190 bool "Trace likely/unlikely profiler" 194 bool "Trace likely/unlikely profiler"
191 depends on DEBUG_KERNEL
192 select TRACING 195 select TRACING
193 help 196 help
194 This tracer profiles all the the likely and unlikely macros 197 This tracer profiles all the the likely and unlikely macros
@@ -241,7 +244,6 @@ config BRANCH_TRACER
241 244
242config POWER_TRACER 245config POWER_TRACER
243 bool "Trace power consumption behavior" 246 bool "Trace power consumption behavior"
244 depends on DEBUG_KERNEL
245 depends on X86 247 depends on X86
246 select TRACING 248 select TRACING
247 help 249 help
@@ -253,7 +255,6 @@ config POWER_TRACER
253config STACK_TRACER 255config STACK_TRACER
254 bool "Trace max stack" 256 bool "Trace max stack"
255 depends on HAVE_FUNCTION_TRACER 257 depends on HAVE_FUNCTION_TRACER
256 depends on DEBUG_KERNEL
257 select FUNCTION_TRACER 258 select FUNCTION_TRACER
258 select STACKTRACE 259 select STACKTRACE
259 select KALLSYMS 260 select KALLSYMS
@@ -343,7 +344,6 @@ config DYNAMIC_FTRACE
343 bool "enable/disable ftrace tracepoints dynamically" 344 bool "enable/disable ftrace tracepoints dynamically"
344 depends on FUNCTION_TRACER 345 depends on FUNCTION_TRACER
345 depends on HAVE_DYNAMIC_FTRACE 346 depends on HAVE_DYNAMIC_FTRACE
346 depends on DEBUG_KERNEL
347 default y 347 default y
348 help 348 help
349 This option will modify all the calls to ftrace dynamically 349 This option will modify all the calls to ftrace dynamically
@@ -369,7 +369,7 @@ config FTRACE_SELFTEST
369 369
370config FTRACE_STARTUP_TEST 370config FTRACE_STARTUP_TEST
371 bool "Perform a startup test on ftrace" 371 bool "Perform a startup test on ftrace"
372 depends on TRACING && DEBUG_KERNEL 372 depends on TRACING
373 select FTRACE_SELFTEST 373 select FTRACE_SELFTEST
374 help 374 help
375 This option performs a series of startup tests on ftrace. On bootup 375 This option performs a series of startup tests on ftrace. On bootup
@@ -379,7 +379,7 @@ config FTRACE_STARTUP_TEST
379 379
380config MMIOTRACE 380config MMIOTRACE
381 bool "Memory mapped IO tracing" 381 bool "Memory mapped IO tracing"
382 depends on HAVE_MMIOTRACE_SUPPORT && DEBUG_KERNEL && PCI 382 depends on HAVE_MMIOTRACE_SUPPORT && PCI
383 select TRACING 383 select TRACING
384 help 384 help
385 Mmiotrace traces Memory Mapped I/O access and is meant for 385 Mmiotrace traces Memory Mapped I/O access and is meant for
@@ -401,3 +401,6 @@ config MMIOTRACE_TEST
401 Say N, unless you absolutely know what you are doing. 401 Say N, unless you absolutely know what you are doing.
402 402
403endmenu 403endmenu
404
405endif # TRACING_SUPPORT
406