[Intel-gfx] [PATCH 1/2] drm/i915: Add tracepoints

[Eric Anholt]

On Tue, 2009-08-25 at 23:33 +0100, Chris Wilson wrote:
> By adding tracepoint equivalents for WATCH_BUF/EXEC we are able to monitor
> the lifetimes of objects, requests and significant events. These events can
> then be probed using the tracing frameworks, such as systemtap and, in
> particular, perf.
> 
> For example to record the stack trace for every GPU stall during a run, use
> 
>   $ perf record -e i915:i915_gem_request_wait_begin -c 1 -g
> 
> And
> 
>   $ perf report

Fail.  .config attached.

Kernel: arch/x86/boot/bzImage is ready  (#215)
  Building modules, stage 2.
  MODPOST 139 modules
ERROR: "__tracepoint_i915_gem_object_change_domain" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_object_destroy" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_request_wait_begin" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_object_clflush" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_request_wait_end" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_object_create" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_request_retire" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_object_bind" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_request_complete" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_object_unbind" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_object_get_fence" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_request_submit" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "__tracepoint_i915_gem_request_flush" [drivers/gpu/drm/i915/i915.ko] undefined!
make[1]: *** [__modpost] Error 1

-- 
Eric Anholt
eric at anholt.net                         eric.anholt at intel.com


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