[PATCH v1] ufs: core: add hba parameter to trace events
Bart Van Assche
bvanassche at acm.org
Wed Feb 12 10:56:53 PST 2025
On 2/12/25 2:14 AM, peter.wang at mediatek.com wrote:
> diff --git a/drivers/ufs/core/ufs_trace.h b/drivers/ufs/core/ufs_trace.h
> index 84deca2b841d..e175020a2fcc 100644
> --- a/drivers/ufs/core/ufs_trace.h
> +++ b/drivers/ufs/core/ufs_trace.h
> @@ -83,17 +83,19 @@ UFS_CMD_TRACE_TSF_TYPES
>
> TRACE_EVENT(ufshcd_clk_gating,
>
> - TP_PROTO(const char *dev_name, int state),
> + TP_PROTO(const char *dev_name, struct ufs_hba *hba, int state),
>
> - TP_ARGS(dev_name, state),
> + TP_ARGS(dev_name, hba, state),
>
> TP_STRUCT__entry(
> __string(dev_name, dev_name)
> + __field(struct ufs_hba *, hba)
> __field(int, state)
> ),
>
> TP_fast_assign(
> __assign_str(dev_name);
> + __entry->hba = hba;
> __entry->state = state;
> ),
Why to include the HBA pointer in tracing events if this pointer is not
used in any TP_printk() call?
dev_name == dev_name(hba->dev) so the dev_name argument should be left
out from all tracing events that now have a HBA pointer as argument.
Thanks,
Bart.
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