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| author | Sean Anderson <sean.anderson@linux.dev> | 2024-10-18 18:00:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-19 17:35:41 +0300 |
| commit | 1edd532f24a774e514eb80513c4164eb46ace8de (patch) | |
| tree | 4d526bf9597c15e56300286dd319c77f915c3834 /include/trace | |
| parent | c39e8483dbcbea3b033d1ef8d27e75f20666d942 (diff) | |
| download | linux-1edd532f24a774e514eb80513c4164eb46ace8de.tar.xz | |
dma-mapping: trace dma_alloc/free direction
[ Upstream commit 3afff779a725cba914e6caba360b696ae6f90249 ]
In preparation for using these tracepoints in a few more places, trace
the DMA direction as well. For coherent allocations this is always
bidirectional.
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Stable-dep-of: 7e2368a21741 ("dma-debug: don't enforce dma mapping check on noncoherent allocations")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/dma.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/include/trace/events/dma.h b/include/trace/events/dma.h index b0f41265191c..012729cc178f 100644 --- a/include/trace/events/dma.h +++ b/include/trace/events/dma.h @@ -116,8 +116,9 @@ DEFINE_EVENT(dma_unmap, dma_unmap_resource, TRACE_EVENT(dma_alloc, TP_PROTO(struct device *dev, void *virt_addr, dma_addr_t dma_addr, - size_t size, gfp_t flags, unsigned long attrs), - TP_ARGS(dev, virt_addr, dma_addr, size, flags, attrs), + size_t size, enum dma_data_direction dir, gfp_t flags, + unsigned long attrs), + TP_ARGS(dev, virt_addr, dma_addr, size, dir, flags, attrs), TP_STRUCT__entry( __string(device, dev_name(dev)) @@ -125,6 +126,7 @@ TRACE_EVENT(dma_alloc, __field(u64, dma_addr) __field(size_t, size) __field(gfp_t, flags) + __field(enum dma_data_direction, dir) __field(unsigned long, attrs) ), @@ -137,8 +139,9 @@ TRACE_EVENT(dma_alloc, __entry->attrs = attrs; ), - TP_printk("%s dma_addr=%llx size=%zu virt_addr=%p flags=%s attrs=%s", + TP_printk("%s dir=%s dma_addr=%llx size=%zu virt_addr=%p flags=%s attrs=%s", __get_str(device), + decode_dma_data_direction(__entry->dir), __entry->dma_addr, __entry->size, __entry->virt_addr, @@ -148,14 +151,15 @@ TRACE_EVENT(dma_alloc, TRACE_EVENT(dma_free, TP_PROTO(struct device *dev, void *virt_addr, dma_addr_t dma_addr, - size_t size, unsigned long attrs), - TP_ARGS(dev, virt_addr, dma_addr, size, attrs), + size_t size, enum dma_data_direction dir, unsigned long attrs), + TP_ARGS(dev, virt_addr, dma_addr, size, dir, attrs), TP_STRUCT__entry( __string(device, dev_name(dev)) __field(void *, virt_addr) __field(u64, dma_addr) __field(size_t, size) + __field(enum dma_data_direction, dir) __field(unsigned long, attrs) ), @@ -164,11 +168,13 @@ TRACE_EVENT(dma_free, __entry->virt_addr = virt_addr; __entry->dma_addr = dma_addr; __entry->size = size; + __entry->dir = dir; __entry->attrs = attrs; ), - TP_printk("%s dma_addr=%llx size=%zu virt_addr=%p attrs=%s", + TP_printk("%s dir=%s dma_addr=%llx size=%zu virt_addr=%p attrs=%s", __get_str(device), + decode_dma_data_direction(__entry->dir), __entry->dma_addr, __entry->size, __entry->virt_addr, |