diff mbox series

[3/4] drm/etnaviv: show loadavg in debugfs

Message ID 20200710074143.306787-4-christian.gmeiner@gmail.com (mailing list archive)
State New, archived
Headers show
Series Add support for GPU load values | expand

Commit Message

Christian Gmeiner July 10, 2020, 7:41 a.m. UTC 
Might be helpful to see the loadavg in debugfs.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 1f0eb7e00657..82fe4aafed57 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -884,7 +884,7 @@  int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m)
 {
 	struct dma_debug debug;
 	u32 dma_lo, dma_hi, axi, idle;
-	int ret;
+	int ret, i;
 
 	seq_printf(m, "%s Status:\n", dev_name(gpu->dev));
 
@@ -1002,6 +1002,16 @@  int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m)
 	if (idle & VIVS_HI_IDLE_STATE_AXI_LP)
 		seq_puts(m, "\t AXI low power mode\n");
 
+	seq_printf(m, "\tload:\n");
+	spin_lock_bh(&gpu->loadavg_spinlock);
+
+	for (i = 0; i < ARRAY_SIZE(etna_idle_module_names); i++)
+		seq_printf(m, "\t %s: %u%%\n",
+				  etna_idle_module_names[i].name,
+				  gpu->loadavg_percentage[i]);
+
+	spin_unlock_bh(&gpu->loadavg_spinlock);
+
 	if (gpu->identity.features & chipFeatures_DEBUG_MODE) {
 		u32 read0 = gpu_read(gpu, VIVS_MC_DEBUG_READ0);
 		u32 read1 = gpu_read(gpu, VIVS_MC_DEBUG_READ1);