[PATCH i-g-t v3 12/13] lib/igt_drm_clients: Record total cycles

[Lucas De Marchi]

If the fdinfo data indicates there's drm-total-cycles, use it to
propagate the engine utilization. Also add an assert in intel_gpu_top
since it only knows how to deal with with engine time busyness.

Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
---
 lib/igt_drm_clients.c | 13 +++++++++++++
 lib/igt_drm_clients.h |  5 +++++
 2 files changed, 18 insertions(+)

diff --git a/lib/igt_drm_clients.c b/lib/igt_drm_clients.c
index fbbb763f7..105c7d298 100644
--- a/lib/igt_drm_clients.c
+++ b/lib/igt_drm_clients.c
@@ -107,10 +107,13 @@ igt_drm_client_update(struct igt_drm_client *c, unsigned int pid, char *name,
 	c->total_engine_time = 0;
 	c->agg_delta_cycles = 0;
 	c->total_cycles = 0;
+	c->agg_delta_total_cycles = 0;
+	c->total_total_cycles = 0;
 
 	for (i = 0; i <= c->engines->max_engine_id; i++) {
 		assert(i < ARRAY_SIZE(info->engine_time));
 		assert(i < ARRAY_SIZE(info->cycles));
+		assert(i < ARRAY_SIZE(info->total_cycles));
 
 		if (info->utilization_mask & DRM_FDINFO_UTILIZATION_ENGINE_TIME &&
 		    info->engine_time[i] >= c->utilization[i].last_engine_time) {
@@ -131,6 +134,16 @@ igt_drm_client_update(struct igt_drm_client *c, unsigned int pid, char *name,
 			c->agg_delta_cycles += c->utilization[i].delta_cycles;
 			c->utilization[i].last_cycles = info->cycles[i];
 		}
+
+		if (info->utilization_mask & DRM_FDINFO_UTILIZATION_CYCLES &&
+		    info->total_cycles[i] >= c->utilization[i].last_total_cycles) {
+			c->utilization_mask |= IGT_DRM_CLIENT_UTILIZATION_TOTAL_CYCLES;
+			c->total_total_cycles += info->total_cycles[i];
+			c->utilization[i].delta_total_cycles =
+				info->total_cycles[i] - c->utilization[i].last_total_cycles;
+			c->agg_delta_total_cycles += c->utilization[i].delta_total_cycles;
+			c->utilization[i].last_total_cycles = info->total_cycles[i];
+		}
 	}
 
 	/* Memory regions */
diff --git a/lib/igt_drm_clients.h b/lib/igt_drm_clients.h
index 514c09e71..946d709de 100644
--- a/lib/igt_drm_clients.h
+++ b/lib/igt_drm_clients.h
@@ -36,6 +36,7 @@ enum igt_drm_client_status {
 enum igt_drm_client_utilization_type {
 	IGT_DRM_CLIENT_UTILIZATION_ENGINE_TIME	= 1U << 0,
 	IGT_DRM_CLIENT_UTILIZATION_CYCLES	= 1U << 1,
+	IGT_DRM_CLIENT_UTILIZATION_TOTAL_CYCLES	= 1U << 2,
 };
 
 struct igt_drm_client_engines {
@@ -74,11 +75,15 @@ struct igt_drm_client {
 	unsigned long agg_delta_engine_time; /* Aggregate of @utilization.delta_engine_time, i.e. engine time on all engines since previous scan. */
 	unsigned long total_cycles; /* Aggregate of @utilization.agg_delta_cycles, i.e. engine time on all engines since client start. */
 	unsigned long agg_delta_cycles; /* Aggregate of @utilization.delta_cycles, i.e. engine time on all engines since previous scan. */
+	unsigned long total_total_cycles; /* Aggregate of @utilization.agg_delta_total_cycles, i.e. engine time on all engines since client start. */
+	unsigned long agg_delta_total_cycles; /* Aggregate of @utilization.delta_total_cycles, i.e. engine time on all engines since previous scan. */
 	struct igt_drm_client_utilization {
 		unsigned long delta_engine_time; /* Engine time data, relative to previous scan. */
 		unsigned long delta_cycles; /* Engine cycles data, relative to previous scan. */
+		unsigned long delta_total_cycles; /* Engine total cycles data, relative to previous scan. */
 		uint64_t last_engine_time; /* Engine time data as parsed from fdinfo. */
 		uint64_t last_cycles; /* Engine cycles data as parsed from fdinfo. */
+		uint64_t last_total_cycles; /* Engine total cycles data as parsed from fdinfo. */
 	} *utilization; /* Array of engine utilization */
 
 	struct drm_client_meminfo *memory; /* Array of region memory utilisation as parsed from fdinfo. */
-- 
2.43.0