diff mbox series

cxl/pci: Add some type-safety to the AER trace points

Message ID 167030091477.4045167.15174636482098463885.stgit@dwillia2-xfh.jf.intel.com
State Accepted
Commit 372ab3bc3711db46ae1205401c2aac2ed16fc348
Headers show
Series cxl/pci: Add some type-safety to the AER trace points | expand

Commit Message

Dan Williams Dec. 6, 2022, 4:28 a.m. UTC
The first argument to the CXL AER trace points is the source device.
Pass a 'const struct device *' rather than a 'const char *' for more
type precision / safety.

Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/pci.c          |    4 ++--
 include/trace/events/cxl.h |   16 ++++++++--------
 2 files changed, 10 insertions(+), 10 deletions(-)

Comments

Ira Weiny Dec. 6, 2022, 6:41 a.m. UTC | #1
On Mon, Dec 05, 2022 at 08:28:34PM -0800, Dan Williams wrote:
> The first argument to the CXL AER trace points is the source device.
> Pass a 'const struct device *' rather than a 'const char *' for more
> type precision / safety.
> 
> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Cc: Dave Jiang <dave.jiang@intel.com>
> Cc: Steven Rostedt <rostedt@goodmis.org>

Sure.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>

> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> ---
>  drivers/cxl/pci.c          |    4 ++--
>  include/trace/events/cxl.h |   16 ++++++++--------
>  2 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
> index 6cec9fa9326c..cced4a0df3d1 100644
> --- a/drivers/cxl/pci.c
> +++ b/drivers/cxl/pci.c
> @@ -562,7 +562,7 @@ static bool cxl_report_and_clear(struct cxl_dev_state *cxlds)
>  	}
>  
>  	header_log_copy(cxlds, hl);
> -	trace_cxl_aer_uncorrectable_error(dev_name(dev), status, fe, hl);
> +	trace_cxl_aer_uncorrectable_error(dev, status, fe, hl);
>  	writel(status & CXL_RAS_UNCORRECTABLE_STATUS_MASK, addr);
>  
>  	return true;
> @@ -644,7 +644,7 @@ static void cxl_cor_error_detected(struct pci_dev *pdev)
>  	status = le32_to_cpu(readl(addr));
>  	if (status & CXL_RAS_CORRECTABLE_STATUS_MASK) {
>  		writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr);
> -		trace_cxl_aer_correctable_error(dev_name(dev), status);
> +		trace_cxl_aer_correctable_error(dev, status);
>  	}
>  }
>  
> diff --git a/include/trace/events/cxl.h b/include/trace/events/cxl.h
> index 72c3e2870a9e..ad085a2534ef 100644
> --- a/include/trace/events/cxl.h
> +++ b/include/trace/events/cxl.h
> @@ -45,16 +45,16 @@
>  )
>  
>  TRACE_EVENT(cxl_aer_uncorrectable_error,
> -	TP_PROTO(const char *dev_name, u32 status, u32 fe, u32 *hl),
> -	TP_ARGS(dev_name, status, fe, hl),
> +	TP_PROTO(const struct device *dev, u32 status, u32 fe, u32 *hl),
> +	TP_ARGS(dev, status, fe, hl),
>  	TP_STRUCT__entry(
> -		__string(dev_name, dev_name)
> +		__string(dev_name, dev_name(dev))
>  		__field(u32, status)
>  		__field(u32, first_error)
>  		__array(u32, header_log, CXL_HEADERLOG_SIZE_U32)
>  	),
>  	TP_fast_assign(
> -		__assign_str(dev_name, dev_name);
> +		__assign_str(dev_name, dev_name(dev));
>  		__entry->status = status;
>  		__entry->first_error = fe;
>  		/*
> @@ -89,14 +89,14 @@ TRACE_EVENT(cxl_aer_uncorrectable_error,
>  )
>  
>  TRACE_EVENT(cxl_aer_correctable_error,
> -	TP_PROTO(const char *dev_name, u32 status),
> -	TP_ARGS(dev_name, status),
> +	TP_PROTO(const struct device *dev, u32 status),
> +	TP_ARGS(dev, status),
>  	TP_STRUCT__entry(
> -		__string(dev_name, dev_name)
> +		__string(dev_name, dev_name(dev))
>  		__field(u32, status)
>  	),
>  	TP_fast_assign(
> -		__assign_str(dev_name, dev_name);
> +		__assign_str(dev_name, dev_name(dev));
>  		__entry->status = status;
>  	),
>  	TP_printk("%s: status: '%s'",
>
Jonathan Cameron Dec. 6, 2022, 9:58 a.m. UTC | #2
On Mon, 05 Dec 2022 20:28:34 -0800
Dan Williams <dan.j.williams@intel.com> wrote:

> The first argument to the CXL AER trace points is the source device.
> Pass a 'const struct device *' rather than a 'const char *' for more
> type precision / safety.
> 
> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Cc: Dave Jiang <dave.jiang@intel.com>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
I guess this is slightly nicer.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
>  drivers/cxl/pci.c          |    4 ++--
>  include/trace/events/cxl.h |   16 ++++++++--------
>  2 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
> index 6cec9fa9326c..cced4a0df3d1 100644
> --- a/drivers/cxl/pci.c
> +++ b/drivers/cxl/pci.c
> @@ -562,7 +562,7 @@ static bool cxl_report_and_clear(struct cxl_dev_state *cxlds)
>  	}
>  
>  	header_log_copy(cxlds, hl);
> -	trace_cxl_aer_uncorrectable_error(dev_name(dev), status, fe, hl);
> +	trace_cxl_aer_uncorrectable_error(dev, status, fe, hl);
>  	writel(status & CXL_RAS_UNCORRECTABLE_STATUS_MASK, addr);
>  
>  	return true;
> @@ -644,7 +644,7 @@ static void cxl_cor_error_detected(struct pci_dev *pdev)
>  	status = le32_to_cpu(readl(addr));
>  	if (status & CXL_RAS_CORRECTABLE_STATUS_MASK) {
>  		writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr);
> -		trace_cxl_aer_correctable_error(dev_name(dev), status);
> +		trace_cxl_aer_correctable_error(dev, status);
>  	}
>  }
>  
> diff --git a/include/trace/events/cxl.h b/include/trace/events/cxl.h
> index 72c3e2870a9e..ad085a2534ef 100644
> --- a/include/trace/events/cxl.h
> +++ b/include/trace/events/cxl.h
> @@ -45,16 +45,16 @@
>  )
>  
>  TRACE_EVENT(cxl_aer_uncorrectable_error,
> -	TP_PROTO(const char *dev_name, u32 status, u32 fe, u32 *hl),
> -	TP_ARGS(dev_name, status, fe, hl),
> +	TP_PROTO(const struct device *dev, u32 status, u32 fe, u32 *hl),
> +	TP_ARGS(dev, status, fe, hl),
>  	TP_STRUCT__entry(
> -		__string(dev_name, dev_name)
> +		__string(dev_name, dev_name(dev))
>  		__field(u32, status)
>  		__field(u32, first_error)
>  		__array(u32, header_log, CXL_HEADERLOG_SIZE_U32)
>  	),
>  	TP_fast_assign(
> -		__assign_str(dev_name, dev_name);
> +		__assign_str(dev_name, dev_name(dev));
>  		__entry->status = status;
>  		__entry->first_error = fe;
>  		/*
> @@ -89,14 +89,14 @@ TRACE_EVENT(cxl_aer_uncorrectable_error,
>  )
>  
>  TRACE_EVENT(cxl_aer_correctable_error,
> -	TP_PROTO(const char *dev_name, u32 status),
> -	TP_ARGS(dev_name, status),
> +	TP_PROTO(const struct device *dev, u32 status),
> +	TP_ARGS(dev, status),
>  	TP_STRUCT__entry(
> -		__string(dev_name, dev_name)
> +		__string(dev_name, dev_name(dev))
>  		__field(u32, status)
>  	),
>  	TP_fast_assign(
> -		__assign_str(dev_name, dev_name);
> +		__assign_str(dev_name, dev_name(dev));
>  		__entry->status = status;
>  	),
>  	TP_printk("%s: status: '%s'",
>
Dave Jiang Dec. 6, 2022, 5:06 p.m. UTC | #3
On 12/5/2022 9:28 PM, Dan Williams wrote:
> The first argument to the CXL AER trace points is the source device.
> Pass a 'const struct device *' rather than a 'const char *' for more
> type precision / safety.
> 
> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Cc: Dave Jiang <dave.jiang@intel.com>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Reviewed-by: Dave Jiang <dave.jiang@intel.com>

> ---
>   drivers/cxl/pci.c          |    4 ++--
>   include/trace/events/cxl.h |   16 ++++++++--------
>   2 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
> index 6cec9fa9326c..cced4a0df3d1 100644
> --- a/drivers/cxl/pci.c
> +++ b/drivers/cxl/pci.c
> @@ -562,7 +562,7 @@ static bool cxl_report_and_clear(struct cxl_dev_state *cxlds)
>   	}
>   
>   	header_log_copy(cxlds, hl);
> -	trace_cxl_aer_uncorrectable_error(dev_name(dev), status, fe, hl);
> +	trace_cxl_aer_uncorrectable_error(dev, status, fe, hl);
>   	writel(status & CXL_RAS_UNCORRECTABLE_STATUS_MASK, addr);
>   
>   	return true;
> @@ -644,7 +644,7 @@ static void cxl_cor_error_detected(struct pci_dev *pdev)
>   	status = le32_to_cpu(readl(addr));
>   	if (status & CXL_RAS_CORRECTABLE_STATUS_MASK) {
>   		writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr);
> -		trace_cxl_aer_correctable_error(dev_name(dev), status);
> +		trace_cxl_aer_correctable_error(dev, status);
>   	}
>   }
>   
> diff --git a/include/trace/events/cxl.h b/include/trace/events/cxl.h
> index 72c3e2870a9e..ad085a2534ef 100644
> --- a/include/trace/events/cxl.h
> +++ b/include/trace/events/cxl.h
> @@ -45,16 +45,16 @@
>   )
>   
>   TRACE_EVENT(cxl_aer_uncorrectable_error,
> -	TP_PROTO(const char *dev_name, u32 status, u32 fe, u32 *hl),
> -	TP_ARGS(dev_name, status, fe, hl),
> +	TP_PROTO(const struct device *dev, u32 status, u32 fe, u32 *hl),
> +	TP_ARGS(dev, status, fe, hl),
>   	TP_STRUCT__entry(
> -		__string(dev_name, dev_name)
> +		__string(dev_name, dev_name(dev))
>   		__field(u32, status)
>   		__field(u32, first_error)
>   		__array(u32, header_log, CXL_HEADERLOG_SIZE_U32)
>   	),
>   	TP_fast_assign(
> -		__assign_str(dev_name, dev_name);
> +		__assign_str(dev_name, dev_name(dev));
>   		__entry->status = status;
>   		__entry->first_error = fe;
>   		/*
> @@ -89,14 +89,14 @@ TRACE_EVENT(cxl_aer_uncorrectable_error,
>   )
>   
>   TRACE_EVENT(cxl_aer_correctable_error,
> -	TP_PROTO(const char *dev_name, u32 status),
> -	TP_ARGS(dev_name, status),
> +	TP_PROTO(const struct device *dev, u32 status),
> +	TP_ARGS(dev, status),
>   	TP_STRUCT__entry(
> -		__string(dev_name, dev_name)
> +		__string(dev_name, dev_name(dev))
>   		__field(u32, status)
>   	),
>   	TP_fast_assign(
> -		__assign_str(dev_name, dev_name);
> +		__assign_str(dev_name, dev_name(dev));
>   		__entry->status = status;
>   	),
>   	TP_printk("%s: status: '%s'",
>
diff mbox series

Patch

diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index 6cec9fa9326c..cced4a0df3d1 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -562,7 +562,7 @@  static bool cxl_report_and_clear(struct cxl_dev_state *cxlds)
 	}
 
 	header_log_copy(cxlds, hl);
-	trace_cxl_aer_uncorrectable_error(dev_name(dev), status, fe, hl);
+	trace_cxl_aer_uncorrectable_error(dev, status, fe, hl);
 	writel(status & CXL_RAS_UNCORRECTABLE_STATUS_MASK, addr);
 
 	return true;
@@ -644,7 +644,7 @@  static void cxl_cor_error_detected(struct pci_dev *pdev)
 	status = le32_to_cpu(readl(addr));
 	if (status & CXL_RAS_CORRECTABLE_STATUS_MASK) {
 		writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr);
-		trace_cxl_aer_correctable_error(dev_name(dev), status);
+		trace_cxl_aer_correctable_error(dev, status);
 	}
 }
 
diff --git a/include/trace/events/cxl.h b/include/trace/events/cxl.h
index 72c3e2870a9e..ad085a2534ef 100644
--- a/include/trace/events/cxl.h
+++ b/include/trace/events/cxl.h
@@ -45,16 +45,16 @@ 
 )
 
 TRACE_EVENT(cxl_aer_uncorrectable_error,
-	TP_PROTO(const char *dev_name, u32 status, u32 fe, u32 *hl),
-	TP_ARGS(dev_name, status, fe, hl),
+	TP_PROTO(const struct device *dev, u32 status, u32 fe, u32 *hl),
+	TP_ARGS(dev, status, fe, hl),
 	TP_STRUCT__entry(
-		__string(dev_name, dev_name)
+		__string(dev_name, dev_name(dev))
 		__field(u32, status)
 		__field(u32, first_error)
 		__array(u32, header_log, CXL_HEADERLOG_SIZE_U32)
 	),
 	TP_fast_assign(
-		__assign_str(dev_name, dev_name);
+		__assign_str(dev_name, dev_name(dev));
 		__entry->status = status;
 		__entry->first_error = fe;
 		/*
@@ -89,14 +89,14 @@  TRACE_EVENT(cxl_aer_uncorrectable_error,
 )
 
 TRACE_EVENT(cxl_aer_correctable_error,
-	TP_PROTO(const char *dev_name, u32 status),
-	TP_ARGS(dev_name, status),
+	TP_PROTO(const struct device *dev, u32 status),
+	TP_ARGS(dev, status),
 	TP_STRUCT__entry(
-		__string(dev_name, dev_name)
+		__string(dev_name, dev_name(dev))
 		__field(u32, status)
 	),
 	TP_fast_assign(
-		__assign_str(dev_name, dev_name);
+		__assign_str(dev_name, dev_name(dev));
 		__entry->status = status;
 	),
 	TP_printk("%s: status: '%s'",