@@ -2068,6 +2068,8 @@ struct i915_perf_stream {
struct {
struct i915_vma *vma;
u8 *vaddr;
+#define I915_PERF_CMD_STREAM_BUF_STATUS_OVERFLOW (1<<0)
+ u32 status;
} cs_buffer;
struct list_head cs_samples;
@@ -501,6 +501,8 @@ static void insert_perf_sample(struct i915_perf_stream *stream,
else {
u32 target_size = sample_size - first->offset;
+ stream->cs_buffer.status |=
+ I915_PERF_CMD_STREAM_BUF_STATUS_OVERFLOW;
release_perf_samples(stream, target_size);
sample->offset = 0;
}
@@ -514,6 +516,8 @@ static void insert_perf_sample(struct i915_perf_stream *stream,
(first->offset - last->offset -
sample_size);
+ stream->cs_buffer.status |=
+ I915_PERF_CMD_STREAM_BUF_STATUS_OVERFLOW;
release_perf_samples(stream, target_size);
sample->offset = last->offset + sample_size;
}
@@ -1552,6 +1556,17 @@ static int append_cs_buffer_samples(struct i915_perf_stream *stream,
LIST_HEAD(free_list);
int ret = 0;
unsigned long flags;
+ u32 status = stream->cs_buffer.status;
+
+ if (unlikely(status & I915_PERF_CMD_STREAM_BUF_STATUS_OVERFLOW)) {
+ ret = append_oa_status(stream, buf, count, offset,
+ DRM_I915_PERF_RECORD_OA_BUFFER_LOST);
+ if (ret)
+ return ret;
+
+ stream->cs_buffer.status &=
+ ~I915_PERF_CMD_STREAM_BUF_STATUS_OVERFLOW;
+ }
spin_lock_irqsave(&stream->cs_samples_lock, flags);
if (list_empty(&stream->cs_samples)) {