@@ -67,7 +67,7 @@ unsigned gem_scheduler_capability(int fd)
}
/**
- * gem_has_scheduler:
+ * gem_scheduler_enabled:
* @fd: open i915 drm file descriptor
*
* Feature test macro to query whether the driver has scheduling capability.
@@ -79,7 +79,7 @@ bool gem_scheduler_enabled(int fd)
}
/**
- * gem_has_ctx_priority:
+ * gem_scheduler_has_ctx_priority:
* @fd: open i915 drm file descriptor
*
* Feature test macro to query whether the driver supports assigning custom
@@ -92,7 +92,7 @@ bool gem_scheduler_has_ctx_priority(int fd)
}
/**
- * gem_has_preemption:
+ * gem_scheduler_has_preemption:
* @fd: open i915 drm file descriptor
*
* Feature test macro to query whether the driver supports preempting active
@@ -104,6 +104,19 @@ bool gem_scheduler_has_preemption(int fd)
LOCAL_I915_SCHEDULER_CAP_PREEMPTION;
}
+/**
+ * gem_scheduler_has_pmu_support:
+ * @fd: open i915 drm file descriptor
+ *
+ * Feature test macro to query whether the driver supports enhanced busyness
+ * tracking (more accurate time accumulation).
+ */
+bool gem_scheduler_has_pmu_support(int fd)
+{
+ return gem_scheduler_capability(fd) &
+ LOCAL_I915_SCHEDULER_CAP_PMU;
+}
+
/**
* gem_scheduler_print_capability:
* @fd: open i915 drm file descriptor
@@ -122,4 +135,6 @@ void gem_scheduler_print_capability(int fd)
igt_info(" - With priority sorting\n");
if (caps & LOCAL_I915_SCHEDULER_CAP_PREEMPTION)
igt_info(" - With preemption enabled\n");
+ if (caps & LOCAL_I915_SCHEDULER_CAP_PMU)
+ igt_info(" - With PMU support\n");
}
@@ -27,11 +27,13 @@
#define LOCAL_I915_SCHEDULER_CAP_ENABLED (1 << 0)
#define LOCAL_I915_SCHEDULER_CAP_PRIORITY (1 << 1)
#define LOCAL_I915_SCHEDULER_CAP_PREEMPTION (1 << 2)
+#define LOCAL_I915_SCHEDULER_CAP_PMU (1 << 3)
unsigned gem_scheduler_capability(int fd);
bool gem_scheduler_enabled(int fd);
bool gem_scheduler_has_ctx_priority(int fd);
bool gem_scheduler_has_preemption(int fd);
+bool gem_scheduler_has_pmu_support(int fd);
void gem_scheduler_print_capability(int fd);
#endif /* GEM_SCHEDULER_H */
Expose the scheduler query for enhanced busyness tracking for the PMU. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> --- lib/i915/gem_scheduler.c | 21 ++++++++++++++++++--- lib/i915/gem_scheduler.h | 2 ++ 2 files changed, 20 insertions(+), 3 deletions(-)