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infiniband-diags/ibqueryerrors: Add support for optional PortRcvErrorDetails counter

PATCH In review Hal Rosenstock 3 participants 4 messages Dec 31, 2009 – Jan 16, 2010 2 messages not in the archive InfiniBand

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Hal Rosenstock

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#0 lore raw

PATCH 1/1 infiniband-diags/ibqueryerrors: Add support for optional PortRcvErrorDetails counter

to --details option

Signed-off-by Hal Rosenstock <[email protected]>

---

infiniband-diags/man/ibqueryerrors.8 +2 -2
index 83a2b5a..e7feea8 100644
@@ -1,4 +1,4 @@
-.TH IBQUERYERRORS 8 "Oct 30, 2009" "OpenIB" "OpenIB Diagnostics"
+.TH IBQUERYERRORS 8 "Dec 31, 2009" "OpenIB" "OpenIB Diagnostics"
 
 .SH NAME
 ibqueryerrors \- query and report non-zero IB port counters

@@ -58,7 +58,7 @@ printed or not.  This is because data counters are only \fBprinted\fR on ports
 which have errors.  This means if a port has 0 errors and the \-K option is
 specified the data counters will be cleared without any printed output.
 .TP
-\fB\-\-details\fR include transmit discard details
+\fB\-\-details\fR include receive error and transmit discard details
 .TP
 \fB\-R\fR  (This option is obsolete and does nothing)
infiniband-diags/src/ibqueryerrors.c +25 -10
index 47bd2af..ceacc58 100644
@@ -205,24 +205,31 @@ static void report_suppressed(void)
 	printf("\n");
 }
 
-static int print_xmitdisc_details(char *buf, size_t size, ib_portid_t * portid,
-				  ibnd_node_t * node, char *node_name,
-				  int portnum)
+static int print_details(char *buf, size_t size, ib_portid_t * portid,
+			 ibnd_node_t * node, char *node_name, int portnum,
+			 int j)
 {
 	uint8_t pc[1024];
 	uint32_t val = 0;
 	int i, n;
 
+	if (j != IB_PC_ERR_RCV_F && j!= IB_PC_XMT_DISCARDS_F)
+		return 0;
+
 	memset(pc, 0, 1024);
 
 	if (!pma_query_via(pc, portid, portnum, ibd_timeout,
-			   IB_GSI_PORT_XMIT_DISCARD_DETAILS, ibmad_port)) {
-		IBWARN("IB_GSI_PORT_XMIT_DISCARD_DETAILS query failed on %s, "
-		       "%s port %d", node_name, portid2str(portid), portnum);
+			   (j == IB_PC_ERR_RCV_F ? IB_GSI_PORT_RCV_ERROR_DETAILS : IB_GSI_PORT_XMIT_DISCARD_DETAILS),
+			   ibmad_port)) {
+		IBWARN("%s query failed on %s, %s port %d",
+			(j == IB_PC_ERR_RCV_F ? "IB_GSI_PORT_RCV_ERROR_DETAILS" : "IB_GSI_PORT_XMIT_DISCARD_DETAILS"),
+			node_name, portid2str(portid), portnum);
 		return 0;
 	}
 
-	for (n = 0, i = IB_PC_XMT_INACT_DISC_F; i <= IB_PC_XMT_SW_HOL_DISC_F;
+	for (n = 0,
+	     i = (j == IB_PC_ERR_RCV_F ? IB_PC_RCV_LOCAL_PHY_ERR_F : IB_PC_XMT_INACT_DISC_F);
+	     i <= (j == IB_PC_ERR_RCV_F ? IB_PC_RCV_LOOPING_ERR_F : IB_PC_XMT_SW_HOL_DISC_F);
 	     i++) {
 		mad_decode_field(pc, i, (void *)&val);
 		if (val)

@@ -254,10 +261,14 @@ static void print_results(ib_portid_t * portid, char *node_name,
 			n += snprintf(str + n, 1024 - n, " [%s == %u]",
 				      mad_field_name(i), val);
 
+		/* If there are PortRcvErrors, get details (if supported) */
+		if (i == IB_PC_ERR_RCV_F && details && val) {
+			n += print_details(str + n, 1024 - n, portid,
+					   node, node_name, portnum, i);
 		/* If there are PortXmitDiscards, get details (if supported) */
-		if (i == IB_PC_XMT_DISCARDS_F && details && val) {
-			n += print_xmitdisc_details(str + n, 1024 - n, portid,
-						    node, node_name, portnum);
+		} else if (i == IB_PC_XMT_DISCARDS_F && details && val) {
+			n += print_details(str + n, 1024 - n, portid,
+					   node, node_name, portnum, i);
 		}
 	}
 

@@ -364,6 +375,10 @@ static void clear_port(ib_portid_t * portid, uint16_t cap_mask,
 		performance_reset_via(pc, portid, port, mask, ibd_timeout,
 				      IB_GSI_PORT_XMIT_DISCARD_DETAILS,
 				      ibmad_port);
+		mask = 0x3F;
+		performance_reset_via(pc, portid, port, mask, ibd_timeout,
+				      IB_GSI_PORT_RCV_ERROR_DETAILS,
+				      ibmad_port);
 	}
 }

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#2 lore raw

Hi Hal,

Quoted 75 lines · Hal Rosenstock

to --details option

Signed-off-by Hal Rosenstock <[email protected]>

---

infiniband-diags/man/ibqueryerrors.8 +2 -2
index 83a2b5a..e7feea8 100644
@@ -1,4 +1,4 @@
-.TH IBQUERYERRORS 8 "Oct 30, 2009" "OpenIB" "OpenIB Diagnostics"
+.TH IBQUERYERRORS 8 "Dec 31, 2009" "OpenIB" "OpenIB Diagnostics"
 
 .SH NAME
 ibqueryerrors \- query and report non-zero IB port counters

@@ -58,7 +58,7 @@ printed or not.  This is because data counters are only \fBprinted\fR on ports
 which have errors.  This means if a port has 0 errors and the \-K option is
 specified the data counters will be cleared without any printed output.
 .TP
-\fB\-\-details\fR include transmit discard details
+\fB\-\-details\fR include receive error and transmit discard details
 .TP
 \fB\-R\fR  (This option is obsolete and does nothing)
infiniband-diags/src/ibqueryerrors.c +18 -7
index 47bd2af..ceacc58 100644
@@ -205,24 +205,31 @@ static void report_suppressed(void)
 	printf("\n");
 }
 
-static int print_xmitdisc_details(char *buf, size_t size, ib_portid_t * portid,
-				  ibnd_node_t * node, char *node_name,
-				  int portnum)
+static int print_details(char *buf, size_t size, ib_portid_t * portid,
+			 ibnd_node_t * node, char *node_name, int portnum,
+			 int j)
 {
 	uint8_t pc[1024];
 	uint32_t val = 0;
 	int i, n;
 
+	if (j != IB_PC_ERR_RCV_F && j!= IB_PC_XMT_DISCARDS_F)
+		return 0;
+
 	memset(pc, 0, 1024);
 
 	if (!pma_query_via(pc, portid, portnum, ibd_timeout,
-			   IB_GSI_PORT_XMIT_DISCARD_DETAILS, ibmad_port)) {
-		IBWARN("IB_GSI_PORT_XMIT_DISCARD_DETAILS query failed on %s, "
-		       "%s port %d", node_name, portid2str(portid), portnum);
+			   (j == IB_PC_ERR_RCV_F ? IB_GSI_PORT_RCV_ERROR_DETAILS : IB_GSI_PORT_XMIT_DISCARD_DETAILS),
+			   ibmad_port)) {
+		IBWARN("%s query failed on %s, %s port %d",
+			(j == IB_PC_ERR_RCV_F ? "IB_GSI_PORT_RCV_ERROR_DETAILS" : "IB_GSI_PORT_XMIT_DISCARD_DETAILS"),
+			node_name, portid2str(portid), portnum);
 		return 0;
 	}
 
-	for (n = 0, i = IB_PC_XMT_INACT_DISC_F; i <= IB_PC_XMT_SW_HOL_DISC_F;
+	for (n = 0,
+	     i = (j == IB_PC_ERR_RCV_F ? IB_PC_RCV_LOCAL_PHY_ERR_F : IB_PC_XMT_INACT_DISC_F);
+	     i <= (j == IB_PC_ERR_RCV_F ? IB_PC_RCV_LOOPING_ERR_F : IB_PC_XMT_SW_HOL_DISC_F);
 	     i++) {
 		mad_decode_field(pc, i, (void *)&val);
 		if (val)

@@ -254,10 +261,14 @@ static void print_results(ib_portid_t * portid, char *node_name,
 			n += snprintf(str + n, 1024 - n, " [%s == %u]",
 				      mad_field_name(i), val);
 
+		/* If there are PortRcvErrors, get details (if supported) */
+		if (i == IB_PC_ERR_RCV_F && details && val) {
+			n += print_details(str + n, 1024 - n, portid,
+					   node, node_name, portnum, i);

infiniband-diags/src/ibqueryerrors.c static void print_results(ib_portid_t * portid, char *node_name, · line 274

Quoted 10 lines
infiniband-diags/src/ibqueryerrors.c +3 -3
 		/* If there are PortXmitDiscards, get details (if supported) */
-		if (i == IB_PC_XMT_DISCARDS_F && details && val) {
-			n += print_xmitdisc_details(str + n, 1024 - n, portid,
-						    node, node_name, portnum);
+		} else if (i == IB_PC_XMT_DISCARDS_F && details && val) {
+			n += print_details(str + n, 1024 - n, portid,
+					   node, node_name, portnum, i);
 		}
 	}

Could the code above be consolidated in more readable form (without repeating the same conditional flows)? Maybe like this:

infiniband-diags/src/ibqueryerrors.c +25 -12
index 47bd2af..0ebe4bf 100644
@@ -205,30 +205,31 @@ static void report_suppressed(void)
 	printf("\n");
 }
 
-static int print_xmitdisc_details(char *buf, size_t size, ib_portid_t * portid,
-				  ibnd_node_t * node, char *node_name,
-				  int portnum)
+static int query_and_dump(char *buf, size_t size, ib_portid_t * portid,
+			 ibnd_node_t * node, char *node_name, int portnum,
+			 const char *attr_name, uint16_t attr_id,
+			 int start_field, int end_field)
 {
 	uint8_t pc[1024];
 	uint32_t val = 0;
 	int i, n;
 
-	memset(pc, 0, 1024);
+	memset(pc, 0, sizeof(pc));
 
-	if (!pma_query_via(pc, portid, portnum, ibd_timeout,
-			   IB_GSI_PORT_XMIT_DISCARD_DETAILS, ibmad_port)) {
-		IBWARN("IB_GSI_PORT_XMIT_DISCARD_DETAILS query failed on %s, "
-		       "%s port %d", node_name, portid2str(portid), portnum);
+	if (!pma_query_via(pc, portid, portnum, ibd_timeout, attr_id,
+			   ibmad_port)) {
+		IBWARN("%s query failed on %s, %s port %d", attr_name,
+			node_name, portid2str(portid), portnum);
 		return 0;
 	}
 
-	for (n = 0, i = IB_PC_XMT_INACT_DISC_F; i <= IB_PC_XMT_SW_HOL_DISC_F;
-	     i++) {
+	for (n = 0, i = start_field; i < end_field; i++) {
 		mad_decode_field(pc, i, (void *)&val);
 		if (val)
 			n += snprintf(buf + n, size - n, " [%s == %u]",
 				      mad_field_name(i), val);
 	}
+
 	return n;
 }
 

@@ -256,8 +257,20 @@ static void print_results(ib_portid_t * portid, char *node_name,
 
 		/* If there are PortXmitDiscards, get details (if supported) */
 		if (i == IB_PC_XMT_DISCARDS_F && details && val) {
-			n += print_xmitdisc_details(str + n, 1024 - n, portid,
-						    node, node_name, portnum);
+			n += query_and_dump(str + n, sizeof(buf) - n, portid,
+					    node, node_name, portnum,
+					    "PortXmitDiscardDetails",
+					    IB_GSI_PORT_XMIT_DISCARD_DETAILS,
+					    IB_PC_RCV_LOCAL_PHY_ERR_F,
+					    IB_PC_RCV_ERR_LAST_F);
+		/* If there are PortRcvErrors, get details (if supported) */
+		} else if (i == IB_PC_ERR_RCV_F && details && val) {
+			n += query_and_dump(str + n, sizeof(buf) - n, portid,
+					    node, node_name, portnum,
+					    "PortRecvErrorsDetails",
+					    IB_GSI_PORT_RCV_ERROR_DETAILS,
+					    IB_PC_XMT_INACT_DISC_F,
+					    IB_PC_XMT_DISC_LAST_F);
 		}
 	}

?

infiniband-diags/src/ibqueryerrors.c static void clear_port(ib_portid_t * portid, uint16_t cap_mask, · line 381

Quoted 8 lines
infiniband-diags/src/ibqueryerrors.c +4 -0
@@ -364,6 +375,10 @@ static void clear_port(ib_portid_t * portid, uint16_t cap_mask,
 		performance_reset_via(pc, portid, port, mask, ibd_timeout,
 				      IB_GSI_PORT_XMIT_DISCARD_DETAILS,
 				      ibmad_port);
+		mask = 0x3F;
+		performance_reset_via(pc, portid, port, mask, ibd_timeout,
+				      IB_GSI_PORT_RCV_ERROR_DETAILS,
+				      ibmad_port);

If 'mask' value is used unconditionally whouldn't it be simpler to just write:

		performance_reset_via(pc, portid, port, 0x3f, ibd_timeout,
				      IB_GSI_PORT_RCV_ERROR_DETAILS,
				      ibmad_port);

?

Sasha
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#3 lore raw

Hi Sasha,

Quoted 83 lines · Sasha Khapyorsky

Hi Hal,

Quoted 80 lines · Hal Rosenstock

to --details option

Signed-off-by Hal Rosenstock <[email protected]>

---

infiniband-diags/man/ibqueryerrors.8 +2 -2
index 83a2b5a..e7feea8 100644
@@ -1,4 +1,4 @@
-.TH IBQUERYERRORS 8 "Oct 30, 2009" "OpenIB" "OpenIB Diagnostics"
+.TH IBQUERYERRORS 8 "Dec 31, 2009" "OpenIB" "OpenIB Diagnostics"
 
 .SH NAME
 ibqueryerrors \- query and report non-zero IB port counters

@@ -58,7 +58,7 @@ printed or not.  This is because data counters are only \fBprinted\fR on ports
 which have errors.  This means if a port has 0 errors and the \-K option is
 specified the data counters will be cleared without any printed output.
 .TP
-\fB\-\-details\fR include transmit discard details
+\fB\-\-details\fR include receive error and transmit discard details
 .TP
 \fB\-R\fR  (This option is obsolete and does nothing)
infiniband-diags/src/ibqueryerrors.c +19 -10
index 47bd2af..ceacc58 100644
@@ -205,24 +205,31 @@ static void report_suppressed(void)
      printf("\n");
 }
 
-static int print_xmitdisc_details(char *buf, size_t size, ib_portid_t * portid,
-                               ibnd_node_t * node, char *node_name,
-                               int portnum)
+static int print_details(char *buf, size_t size, ib_portid_t * portid,
+                      ibnd_node_t * node, char *node_name, int portnum,
+                      int j)
 {
      uint8_t pc[1024];
      uint32_t val = 0;
      int i, n;
 
+     if (j != IB_PC_ERR_RCV_F && j!= IB_PC_XMT_DISCARDS_F)
+             return 0;
+
      memset(pc, 0, 1024);
 
      if (!pma_query_via(pc, portid, portnum, ibd_timeout,
-                        IB_GSI_PORT_XMIT_DISCARD_DETAILS, ibmad_port)) {
-             IBWARN("IB_GSI_PORT_XMIT_DISCARD_DETAILS query failed on %s, "
-                    "%s port %d", node_name, portid2str(portid), portnum);
+                        (j == IB_PC_ERR_RCV_F ? IB_GSI_PORT_RCV_ERROR_DETAILS : IB_GSI_PORT_XMIT_DISCARD_DETAILS),
+                        ibmad_port)) {
+             IBWARN("%s query failed on %s, %s port %d",
+                     (j == IB_PC_ERR_RCV_F ? "IB_GSI_PORT_RCV_ERROR_DETAILS" : "IB_GSI_PORT_XMIT_DISCARD_DETAILS"),
+                     node_name, portid2str(portid), portnum);
              return 0;
      }
 
-     for (n = 0, i = IB_PC_XMT_INACT_DISC_F; i <= IB_PC_XMT_SW_HOL_DISC_F;
+     for (n = 0,
+          i = (j == IB_PC_ERR_RCV_F ? IB_PC_RCV_LOCAL_PHY_ERR_F : IB_PC_XMT_INACT_DISC_F);
+          i <= (j == IB_PC_ERR_RCV_F ? IB_PC_RCV_LOOPING_ERR_F : IB_PC_XMT_SW_HOL_DISC_F);
           i++) {
              mad_decode_field(pc, i, (void *)&val);
              if (val)

@@ -254,10 +261,14 @@ static void print_results(ib_portid_t * portid, char *node_name,
                      n += snprintf(str + n, 1024 - n, " [%s == %u]",
                                    mad_field_name(i), val);
 
+             /* If there are PortRcvErrors, get details (if supported) */
+             if (i == IB_PC_ERR_RCV_F && details && val) {
+                     n += print_details(str + n, 1024 - n, portid,
+                                        node, node_name, portnum, i);
              /* If there are PortXmitDiscards, get details (if supported) */
-             if (i == IB_PC_XMT_DISCARDS_F && details && val) {
-                     n += print_xmitdisc_details(str + n, 1024 - n, portid,
-                                                 node, node_name, portnum);
+             } else if (i == IB_PC_XMT_DISCARDS_F && details && val) {
Quoted 8 lines

infiniband-diags/src/ibqueryerrors.c static void print_results(ib_portid_t * portid, char *node_name, · line 274

Quoted 5 lines
infiniband-diags/src/ibqueryerrors.c +2 -0
+                     n += print_details(str + n, 1024 - n, portid,
+                                        node, node_name, portnum, i);
              }
      }

Could the code above be consolidated in more readable form (without repeating the same conditional flows)?

Yes. See a couple of minor comments below.

Quoted 56 lines

Maybe like this:

infiniband-diags/src/ibqueryerrors.c +12 -12
index 47bd2af..0ebe4bf 100644
@@ -205,30 +205,31 @@ static void report_suppressed(void)
       printf("\n");
 }
 
-static int print_xmitdisc_details(char *buf, size_t size, ib_portid_t * portid,
-                                 ibnd_node_t * node, char *node_name,
-                                 int portnum)
+static int query_and_dump(char *buf, size_t size, ib_portid_t * portid,
+                        ibnd_node_t * node, char *node_name, int portnum,
+                        const char *attr_name, uint16_t attr_id,
+                        int start_field, int end_field)
 {
       uint8_t pc[1024];
       uint32_t val = 0;
       int i, n;
 
-       memset(pc, 0, 1024);
+       memset(pc, 0, sizeof(pc));
 
-       if (!pma_query_via(pc, portid, portnum, ibd_timeout,
-                          IB_GSI_PORT_XMIT_DISCARD_DETAILS, ibmad_port)) {
-               IBWARN("IB_GSI_PORT_XMIT_DISCARD_DETAILS query failed on %s, "
-                      "%s port %d", node_name, portid2str(portid), portnum);
+       if (!pma_query_via(pc, portid, portnum, ibd_timeout, attr_id,
+                          ibmad_port)) {
+               IBWARN("%s query failed on %s, %s port %d", attr_name,
+                       node_name, portid2str(portid), portnum);
               return 0;
       }
 
-       for (n = 0, i = IB_PC_XMT_INACT_DISC_F; i <= IB_PC_XMT_SW_HOL_DISC_F;
-            i++) {
+       for (n = 0, i = start_field; i < end_field; i++) {
               mad_decode_field(pc, i, (void *)&val);
               if (val)
                       n += snprintf(buf + n, size - n, " [%s == %u]",
                                     mad_field_name(i), val);
       }
+
       return n;
 }
 

@@ -256,8 +257,20 @@ static void print_results(ib_portid_t * portid, char *node_name,
 
               /* If there are PortXmitDiscards, get details (if supported) */
               if (i == IB_PC_XMT_DISCARDS_F && details && val) {
-                       n += print_xmitdisc_details(str + n, 1024 - n, portid,
-                                                   node, node_name, portnum);
+                       n += query_and_dump(str + n, sizeof(buf) - n, portid,

infiniband-diags/src/ibqueryerrors.c static void print_results(ib_portid_t * portid, char *node_name, · line 270

Quoted 10 lines
infiniband-diags/src/ibqueryerrors.c +10 -0
+                                           node, node_name, portnum,
+                                           "PortXmitDiscardDetails",
+                                           IB_GSI_PORT_XMIT_DISCARD_DETAILS,
+                                           IB_PC_RCV_LOCAL_PHY_ERR_F,
+                                           IB_PC_RCV_ERR_LAST_F);
+               /* If there are PortRcvErrors, get details (if supported) */
+               } else if (i == IB_PC_ERR_RCV_F && details && val) {
+                       n += query_and_dump(str + n, sizeof(buf) - n, portid,
+                                           node, node_name, portnum,
+                                           "PortRecvErrorsDetails",

typo - PortRcvErrorDetails

Quoted 20 lines
infiniband-diags/src/ibqueryerrors.c +3 -0
+                                           IB_GSI_PORT_RCV_ERROR_DETAILS,
+                                           IB_PC_XMT_INACT_DISC_F,
+                                           IB_PC_XMT_DISC_LAST_F);
               }
       }

?

infiniband-diags/src/ibqueryerrors.c static void clear_port(ib_portid_t * portid, uint16_t cap_mask, · line 381

Quoted 8 lines
infiniband-diags/src/ibqueryerrors.c +4 -0
@@ -364,6 +375,10 @@ static void clear_port(ib_portid_t * portid, uint16_t cap_mask,
              performance_reset_via(pc, portid, port, mask, ibd_timeout,
                                    IB_GSI_PORT_XMIT_DISCARD_DETAILS,
                                    ibmad_port);
+             mask = 0x3F;
+             performance_reset_via(pc, portid, port, mask, ibd_timeout,
+                                   IB_GSI_PORT_RCV_ERROR_DETAILS,
+                                   ibmad_port);

If 'mask' value is used unconditionally whouldn't it be simpler to just write:

Quoted 5 lines
               performance_reset_via(pc, portid, port, 0x3f, ibd_timeout,
                                     IB_GSI_PORT_RCV_ERROR_DETAILS,
                                     ibmad_port);

?

Yes and that comment also applies to the instance above this for xmit discard details reset.

-- Hal

Quoted 7 lines

Sasha
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A message that is not in the archive (sent off-list or not yet received): f0e08f231001131210r669265fax870cfb4bbaf3c1d-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org

#5 lore raw

On 15:10 Wed 13 Jan , Hal Rosenstock wrote:

[snip]

Quoted 12 lines
Quoted 12 lines

Review static void clear_port(ib_portid_t * portid, uint16_t cap_mask, · line 381

Quoted 8 lines
(quoted diff) +4 -0
@@ -364,6 +375,10 @@ static void clear_port(ib_portid_t * portid, uint16_t cap_mask,
              performance_reset_via(pc, portid, port, mask, ibd_timeout,
                                    IB_GSI_PORT_XMIT_DISCARD_DETAILS,
                                    ibmad_port);
+             mask = 0x3F;
+             performance_reset_via(pc, portid, port, mask, ibd_timeout,
+                                   IB_GSI_PORT_RCV_ERROR_DETAILS,
+                                   ibmad_port);

If 'mask' value is used unconditionally whouldn't it be simpler to just write:

Quoted 8 lines
Quoted 5 lines
               performance_reset_via(pc, portid, port, 0x3f, ibd_timeout,
                                     IB_GSI_PORT_RCV_ERROR_DETAILS,
                                     ibmad_port);

?

Yes and that comment also applies to the instance above this for xmit discard details reset.

Ok. Both patches are applied. Thanks.

Sasha
--
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