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Merge branch 'tracing/core' into tracing/hw-breakpoints

Browse Source 
Conflicts:
	arch/Kconfig
	kernel/trace/trace.h

Merge reason: resolve the conflicts, plus adopt to the new
              ring-buffer APIs.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2009-09-07 08:19:51 +02:00
parent 75e33751ca d28daf923a
commit a1922ed661
4885 changed files with 363495 additions and 305501 deletions
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27
kernel/trace/Kconfig
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@@ -18,6 +18,13 @@ config HAVE_FUNCTION_TRACER
config HAVE_FUNCTION_GRAPH_TRACER
bool
config HAVE_FUNCTION_GRAPH_FP_TEST
bool
help
An arch may pass in a unique value (frame pointer) to both the
entering and exiting of a function. On exit, the value is compared
and if it does not match, then it will panic the kernel.
config HAVE_FUNCTION_TRACE_MCOUNT_TEST
bool
help
@@ -34,7 +41,7 @@ config HAVE_FTRACE_MCOUNT_RECORD
config HAVE_HW_BRANCH_TRACER
bool
config HAVE_FTRACE_SYSCALLS
config HAVE_SYSCALL_TRACEPOINTS
bool
config TRACER_MAX_TRACE
@@ -53,9 +60,14 @@ config EVENT_TRACING
bool
config CONTEXT_SWITCH_TRACER
select MARKERS
bool
config RING_BUFFER_ALLOW_SWAP
bool
help
Allow the use of ring_buffer_swap_cpu.
Adds a very slight overhead to tracing when enabled.
# All tracer options should select GENERIC_TRACER. For those options that are
# enabled by all tracers (context switch and event tracer) they select TRACING.
# This allows those options to appear when no other tracer is selected. But the
@@ -121,6 +133,7 @@ config FUNCTION_GRAPH_TRACER
bool "Kernel Function Graph Tracer"
depends on HAVE_FUNCTION_GRAPH_TRACER
depends on FUNCTION_TRACER
depends on !X86_32 || !CC_OPTIMIZE_FOR_SIZE
default y
help
Enable the kernel to trace a function at both its return
@@ -139,6 +152,7 @@ config IRQSOFF_TRACER
select TRACE_IRQFLAGS
select GENERIC_TRACER
select TRACER_MAX_TRACE
select RING_BUFFER_ALLOW_SWAP
help
This option measures the time spent in irqs-off critical
sections, with microsecond accuracy.
@@ -160,6 +174,7 @@ config PREEMPT_TRACER
depends on PREEMPT
select GENERIC_TRACER
select TRACER_MAX_TRACE
select RING_BUFFER_ALLOW_SWAP
help
This option measures the time spent in preemption off critical
sections, with microsecond accuracy.
@@ -203,7 +218,7 @@ config ENABLE_DEFAULT_TRACERS
config FTRACE_SYSCALLS
bool "Trace syscalls"
depends on HAVE_FTRACE_SYSCALLS
depends on HAVE_SYSCALL_TRACEPOINTS
select GENERIC_TRACER
select KALLSYMS
help
@@ -218,13 +233,13 @@ config BOOT_TRACER
the timings of the initcalls and traces key events and the identity
of tasks that can cause boot delays, such as context-switches.
Its aim is to be parsed by the /scripts/bootgraph.pl tool to
Its aim is to be parsed by the scripts/bootgraph.pl tool to
produce pretty graphics about boot inefficiencies, giving a visual
representation of the delays during initcalls - but the raw
/debug/tracing/trace text output is readable too.
You must pass in ftrace=initcall to the kernel command line
to enable this on bootup.
You must pass in initcall_debug and ftrace=initcall to the kernel
command line to enable this on bootup.
config TRACE_BRANCH_PROFILING
bool