[PATCH 2/4] habanalabs: improve readability of engines idle mask print

Oded Gabbay ogabbay at kernel.org
Mon Feb 20 09:19:37 UTC 2023


From: Tomer Tayar <ttayar at habana.ai>

Remove leading zeroes when printing the idle mask to make it clearer.

Signed-off-by: Tomer Tayar <ttayar at habana.ai>
Reviewed-by: Oded Gabbay <ogabbay at kernel.org>
Signed-off-by: Oded Gabbay <ogabbay at kernel.org>
---
 drivers/accel/habanalabs/common/device.c | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/drivers/accel/habanalabs/common/device.c b/drivers/accel/habanalabs/common/device.c
index a5f5ee102823..e544d00fe376 100644
--- a/drivers/accel/habanalabs/common/device.c
+++ b/drivers/accel/habanalabs/common/device.c
@@ -380,18 +380,17 @@ bool hl_ctrl_device_operational(struct hl_device *hdev,
 static void print_idle_status_mask(struct hl_device *hdev, const char *message,
 					u64 idle_mask[HL_BUSY_ENGINES_MASK_EXT_SIZE])
 {
-	u32 pad_width[HL_BUSY_ENGINES_MASK_EXT_SIZE] = {};
-
-	BUILD_BUG_ON(HL_BUSY_ENGINES_MASK_EXT_SIZE != 4);
-
-	pad_width[3] = idle_mask[3] ? 16 : 0;
-	pad_width[2] = idle_mask[2] || pad_width[3] ? 16 : 0;
-	pad_width[1] = idle_mask[1] || pad_width[2] ? 16 : 0;
-	pad_width[0] = idle_mask[0] || pad_width[1] ? 16 : 0;
-
-	dev_err(hdev->dev, "%s (mask %0*llx_%0*llx_%0*llx_%0*llx)\n",
-		message, pad_width[3], idle_mask[3], pad_width[2], idle_mask[2],
-		pad_width[1], idle_mask[1], pad_width[0], idle_mask[0]);
+	if (idle_mask[3])
+		dev_err(hdev->dev, "%s (mask %#llx_%016llx_%016llx_%016llx)\n",
+			message, idle_mask[3], idle_mask[2], idle_mask[1], idle_mask[0]);
+	else if (idle_mask[2])
+		dev_err(hdev->dev, "%s (mask %#llx_%016llx_%016llx)\n",
+			message, idle_mask[2], idle_mask[1], idle_mask[0]);
+	else if (idle_mask[1])
+		dev_err(hdev->dev, "%s (mask %#llx_%016llx)\n",
+			message, idle_mask[1], idle_mask[0]);
+	else
+		dev_err(hdev->dev, "%s (mask %#llx)\n", message, idle_mask[0]);
 }
 
 static void hpriv_release(struct kref *ref)
-- 
2.25.1



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