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authorIngo Molnar <mingo@elte.hu>2009-02-26 18:47:11 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-26 18:44:06 +0100
commit14131f2f98ac350ee9e73faed916d2238a8b6a0d (patch)
treebf490d104276142e914f1245bbc9f44cb0d2bc9b /kernel/trace/Makefile
parent6409c4da289d6905f7ae2bd0630438368439bda2 (diff)
tracing: implement trace_clock_*() APIs
Impact: implement new tracing timestamp APIs Add three trace clock variants, with differing scalability/precision tradeoffs: - local: CPU-local trace clock - medium: scalable global clock with some jitter - global: globally monotonic, serialized clock Make the ring-buffer use the local trace clock internally. Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/Makefile')
-rw-r--r--kernel/trace/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index 664b6c0dc75..c931fe0560c 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_FUNCTION_TRACER) += libftrace.o
obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
obj-$(CONFIG_TRACING) += trace.o
+obj-$(CONFIG_TRACING) += trace_clock.o
obj-$(CONFIG_TRACING) += trace_output.o
obj-$(CONFIG_TRACING) += trace_stat.o
obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o