From 35538d7822e86cb38015c21bb708a433f8814af0 Mon Sep 17 00:00:00 2001 From: Gustavo Padovan Date: Thu, 11 Aug 2016 12:26:44 -0300 Subject: dma-buf/sw_sync: de-stage SW_SYNC SW_SYNC allows to run tests on the sync_file framework via debugfs on /sync/sw_sync Opening and closing the file triggers creation and release of a sync timeline. To create fences on this timeline the SW_SYNC_IOC_CREATE_FENCE ioctl should be used. To increment the timeline value use SW_SYNC_IOC_INC. Also it exports Sync information on /sync/info Signed-off-by: Gustavo Padovan Reviewed-by: Eric Engestrom Signed-off-by: Greg Kroah-Hartman --- drivers/dma-buf/sync_trace.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 drivers/dma-buf/sync_trace.h (limited to 'drivers/dma-buf/sync_trace.h') diff --git a/drivers/dma-buf/sync_trace.h b/drivers/dma-buf/sync_trace.h new file mode 100644 index 000000000000..d13d59ff1b85 --- /dev/null +++ b/drivers/dma-buf/sync_trace.h @@ -0,0 +1,32 @@ +#undef TRACE_SYSTEM +#define TRACE_INCLUDE_PATH ../../drivers/dma-buf +#define TRACE_SYSTEM sync_trace + +#if !defined(_TRACE_SYNC_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_SYNC_H + +#include "sync_debug.h" +#include + +TRACE_EVENT(sync_timeline, + TP_PROTO(struct sync_timeline *timeline), + + TP_ARGS(timeline), + + TP_STRUCT__entry( + __string(name, timeline->name) + __field(u32, value) + ), + + TP_fast_assign( + __assign_str(name, timeline->name); + __entry->value = timeline->value; + ), + + TP_printk("name=%s value=%d", __get_str(name), __entry->value) +); + +#endif /* if !defined(_TRACE_SYNC_H) || defined(TRACE_HEADER_MULTI_READ) */ + +/* This part must be outside protection */ +#include -- cgit v1.2.3