[PATCH 05/12] accel/habanalabs: print task name upon creation of a user context
Oded Gabbay
ogabbay at kernel.org
Thu Jun 8 13:38:42 UTC 2023
From: Tomer Tayar <ttayar at habana.ai>
It is useful for debug to know which user process have acquired the
device.
Add this info to the relevant debug print, in addition to the already
printed user context's ASID.
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/context.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/accel/habanalabs/common/context.c b/drivers/accel/habanalabs/common/context.c
index 9c8b1b37b510..0a53f7154739 100644
--- a/drivers/accel/habanalabs/common/context.c
+++ b/drivers/accel/habanalabs/common/context.c
@@ -102,7 +102,7 @@ static void hl_ctx_fini(struct hl_ctx *ctx)
kfree(ctx->cs_pending);
if (ctx->asid != HL_KERNEL_ASID_ID) {
- dev_dbg(hdev->dev, "closing user context %d\n", ctx->asid);
+ dev_dbg(hdev->dev, "closing user context, asid=%u\n", ctx->asid);
/* The engines are stopped as there is no executing CS, but the
* Coresight might be still working by accessing addresses
@@ -198,6 +198,7 @@ int hl_ctx_create(struct hl_device *hdev, struct hl_fpriv *hpriv)
int hl_ctx_init(struct hl_device *hdev, struct hl_ctx *ctx, bool is_kernel_ctx)
{
+ char task_comm[TASK_COMM_LEN];
int rc = 0, i;
ctx->hdev = hdev;
@@ -267,7 +268,8 @@ int hl_ctx_init(struct hl_device *hdev, struct hl_ctx *ctx, bool is_kernel_ctx)
hl_encaps_sig_mgr_init(&ctx->sig_mgr);
- dev_dbg(hdev->dev, "create user context %d\n", ctx->asid);
+ dev_dbg(hdev->dev, "create user context, comm=\"%s\", asid=%u\n",
+ get_task_comm(task_comm, current), ctx->asid);
}
return 0;
--
2.40.1
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