Building the trace clock without CONFIG_TRACING enabled is useful for the ring buffer library sample client.
Signed-off-by: Mathieu Desnoyers <[email protected]> --- kernel/Makefile | 1 + kernel/trace/Kconfig | 3 +++ kernel/trace/trace_clock.c | 3 +++ 3 files changed, 7 insertions(+) Index: linux.trees.git/kernel/trace/trace_clock.c =================================================================== --- linux.trees.git.orig/kernel/trace/trace_clock.c 2010-08-17 16:32:53.000000000 -0400 +++ linux.trees.git/kernel/trace/trace_clock.c 2010-08-17 16:33:20.000000000 -0400 @@ -44,6 +44,7 @@ u64 notrace trace_clock_local(void) return clock; } +EXPORT_SYMBOL_GPL(trace_clock_local); /* * trace_clock(): 'inbetween' trace clock. Not completely serialized, @@ -57,6 +58,7 @@ u64 notrace trace_clock(void) { return local_clock(); } +EXPORT_SYMBOL_GPL(trace_clock); /* @@ -113,3 +115,4 @@ u64 notrace trace_clock_global(void) return now; } +EXPORT_SYMBOL_GPL(trace_clock_global); Index: linux.trees.git/kernel/trace/Kconfig =================================================================== --- linux.trees.git.orig/kernel/trace/Kconfig 2010-08-17 16:32:53.000000000 -0400 +++ linux.trees.git/kernel/trace/Kconfig 2010-08-17 16:33:20.000000000 -0400 @@ -73,6 +73,9 @@ config RING_BUFFER_ALLOW_SWAP Allow the use of ring_buffer_swap_cpu. Adds a very slight overhead to tracing when enabled. +config TRACE_CLOCK_STANDALONE + bool + # 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 Index: linux.trees.git/kernel/Makefile =================================================================== --- linux.trees.git.orig/kernel/Makefile 2010-08-17 16:32:53.000000000 -0400 +++ linux.trees.git/kernel/Makefile 2010-08-17 16:33:20.000000000 -0400 @@ -99,6 +99,7 @@ obj-$(CONFIG_FUNCTION_TRACER) += trace/ obj-$(CONFIG_TRACING) += trace/ obj-$(CONFIG_X86_DS) += trace/ obj-$(CONFIG_RING_BUFFER) += trace/ +obj-$(CONFIG_TRACE_CLOCK_STANDALONE) += trace/ obj-$(CONFIG_SMP) += sched_cpupri.o obj-$(CONFIG_PERF_EVENTS) += perf_event.o obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o _______________________________________________ ltt-dev mailing list [email protected] http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
