diff options
| author | Yuanhan Liu <yuanhan.liu@linux.intel.com> | 2010-11-08 17:09:41 +0800 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-11-08 09:36:48 +0000 |
| commit | ba4f01a30480cdcd516b782f77a6e0951b83df1c (patch) | |
| tree | f8e77233ebb4912a918f1e47c411b5208b94964b /drivers/gpu/drm/i915/i915_trace.h | |
| parent | 67e92af01cb6f7e9a5fd5c930c43cd6f6ef45929 (diff) | |
| download | lwn-ba4f01a30480cdcd516b782f77a6e0951b83df1c.tar.gz lwn-ba4f01a30480cdcd516b782f77a6e0951b83df1c.zip | |
drm/i915: trace down all the register write and read
Add two tracepoints at I915_WRITE/READ for tracing down all the
register write and read.
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_trace.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_trace.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h index 0b1049ff72a3..34ef49fd0377 100644 --- a/drivers/gpu/drm/i915/i915_trace.h +++ b/drivers/gpu/drm/i915/i915_trace.h @@ -301,6 +301,29 @@ TRACE_EVENT(i915_flip_complete, TP_printk("plane=%d, obj=%p", __entry->plane, __entry->obj) ); +TRACE_EVENT(i915_reg_rw, + TP_PROTO(int cmd, uint32_t reg, uint64_t val, int len), + + TP_ARGS(cmd, reg, val, len), + + TP_STRUCT__entry( + __field(int, cmd) + __field(uint32_t, reg) + __field(uint64_t, val) + __field(int, len) + ), + + TP_fast_assign( + __entry->cmd = cmd; + __entry->reg = reg; + __entry->val = (uint64_t)val; + __entry->len = len; + ), + + TP_printk("cmd=%c, reg=0x%x, val=0x%llx, len=%d", + __entry->cmd, __entry->reg, __entry->val, __entry->len) +); + #endif /* _I915_TRACE_H_ */ /* This part must be outside protection */ |