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Since with multiple devices, we may have multiple different perf_pmu
each with their own type, we want to find the right one for the job.
The tests are run with a specific fd, from which we can extract the
appropriate bus-id and find the associated perf-type. The performance
monitoring tools are a little more general and not yet ready to probe
all device or bind to one in particular, so we just assume the default
igfx for the time being.
v2: Extract the bus address from out of sysfs
v3: A new name for a new decade!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Robert M. Fosha" <robert.m.fosha@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: "Robert M. Fosha" <robert.m.fosha@intel.com> #v2
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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v2: Update for i915 changes.
v3: Use 1eN for large numbers. (Chris Wilson)
v4: Update for upstream engine class enum.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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v2: Use correct address of. (Chris Wilson)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Various tool modules implement their owm PMU open wrapper which
can be replaced by calling the library one.
v2:
* Remove extra newline. (Chris Wilson)
* Commit msg.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Idea is to avoid duplication across multiple users in
upcoming patches.
v2: Commit message and use a separate library instead of piggy-
backing to libintel_tools. (Chris Wilson)
v3: Add Petri's meson build recipe.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Thomas Wood <thomas.wood@intel.com>
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So the interrupt counter was removed from i915_gem_interrupt, and if we
do not have the perf API available, we therefore need to read it from
/proc/interrupts instead.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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