Am 13.10.2017 um 16:06 schrieb Steven Rostedt:
From: Steven Rostedt (VMware) <rost...@goodmis.org>
Commit e941759c74 ("fence: dma-buf cross-device synchronization") added
trace event fence_annotate_wait_on, but never used it. It was renamed
to dma_fence_annotate_wait_on by commit f54d186700 ("dma-buf: Rename
struct fence to dma_fence") but still not used. As defined trace events
have data structures and functions created for them, it is a waste of
memory if they are not used. Remove the unused trace event.
Signed-off-by: Steven Rostedt (VMware) <rost...@goodmis.org>
Reviewed-by: Christian König <christian.koe...@amd.com>
---
Index: linux-trace.git/drivers/dma-buf/dma-fence.c
===================================================================
--- linux-trace.git.orig/drivers/dma-buf/dma-fence.c
+++ linux-trace.git/drivers/dma-buf/dma-fence.c
@@ -27,7 +27,6 @@
#define CREATE_TRACE_POINTS
#include <trace/events/dma_fence.h>
-EXPORT_TRACEPOINT_SYMBOL(dma_fence_annotate_wait_on);
EXPORT_TRACEPOINT_SYMBOL(dma_fence_emit);
EXPORT_TRACEPOINT_SYMBOL(dma_fence_enable_signal);
Index: linux-trace.git/include/trace/events/dma_fence.h
===================================================================
--- linux-trace.git.orig/include/trace/events/dma_fence.h
+++ linux-trace.git/include/trace/events/dma_fence.h
@@ -8,46 +8,6 @@
struct dma_fence;
-TRACE_EVENT(dma_fence_annotate_wait_on,
-
- /* fence: the fence waiting on f1, f1: the fence to be waited on. */
- TP_PROTO(struct dma_fence *fence, struct dma_fence *f1),
-
- TP_ARGS(fence, f1),
-
- TP_STRUCT__entry(
- __string(driver, fence->ops->get_driver_name(fence))
- __string(timeline, fence->ops->get_timeline_name(fence))
- __field(unsigned int, context)
- __field(unsigned int, seqno)
-
- __string(waiting_driver, f1->ops->get_driver_name(f1))
- __string(waiting_timeline, f1->ops->get_timeline_name(f1))
- __field(unsigned int, waiting_context)
- __field(unsigned int, waiting_seqno)
- ),
-
- TP_fast_assign(
- __assign_str(driver, fence->ops->get_driver_name(fence))
- __assign_str(timeline, fence->ops->get_timeline_name(fence))
- __entry->context = fence->context;
- __entry->seqno = fence->seqno;
-
- __assign_str(waiting_driver, f1->ops->get_driver_name(f1))
- __assign_str(waiting_timeline, f1->ops->get_timeline_name(f1))
- __entry->waiting_context = f1->context;
- __entry->waiting_seqno = f1->seqno;
-
- ),
-
- TP_printk("driver=%s timeline=%s context=%u seqno=%u " \
- "waits on driver=%s timeline=%s context=%u seqno=%u",
- __get_str(driver), __get_str(timeline), __entry->context,
- __entry->seqno,
- __get_str(waiting_driver), __get_str(waiting_timeline),
- __entry->waiting_context, __entry->waiting_seqno)
-);
-
DECLARE_EVENT_CLASS(dma_fence,
TP_PROTO(struct dma_fence *fence),
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