cxgbe(4): Tidy up the display for payload memory statistics (pm_stats).

# sysctl -n dev.t4nex.0.misc.pm_stats
# sysctl -n dev.t5nex.0.misc.pm_stats

MFC after:	1 week

1 files changed, 18 insertions, 12 deletions

diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c
index f44d783..41be4d1 100644
--- a/sys/dev/cxgbe/t4_main.c
+++ b/sys/dev/cxgbe/t4_main.c
@@ -5955,10 +5955,13 @@ sysctl_pm_stats(SYSCTL_HANDLER_ARGS)
 	struct adapter *sc = arg1;
 	struct sbuf *sb;
 	int rc, i;
-	uint32_t tx_cnt[PM_NSTATS], rx_cnt[PM_NSTATS];
-	uint64_t tx_cyc[PM_NSTATS], rx_cyc[PM_NSTATS];
-	static const char *pm_stats[] = {
-		"Read:", "Write bypass:", "Write mem:", "Flush:", "FIFO wait:"
+	uint32_t cnt[PM_NSTATS];
+	uint64_t cyc[PM_NSTATS];
+	static const char *rx_stats[] = {
+		"Read:", "Write bypass:", "Write mem:", "Flush:"
+	};
+	static const char *tx_stats[] = {
+		"Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
 	};
 
 	rc = sysctl_wire_old_buffer(req, 0);
@@ -5969,14 +5972,17 @@ sysctl_pm_stats(SYSCTL_HANDLER_ARGS)
 	if (sb == NULL)
 		return (ENOMEM);
 
-	t4_pmtx_get_stats(sc, tx_cnt, tx_cyc);
-	t4_pmrx_get_stats(sc, rx_cnt, rx_cyc);
-
-	sbuf_printf(sb, "                Tx count            Tx cycles    "
-	    "Rx count            Rx cycles");
-	for (i = 0; i < PM_NSTATS; i++)
-		sbuf_printf(sb, "\n%-13s %10u %20ju  %10u %20ju",
-		    pm_stats[i], tx_cnt[i], tx_cyc[i], rx_cnt[i], rx_cyc[i]);
+	t4_pmtx_get_stats(sc, cnt, cyc);
+	sbuf_printf(sb, "                Tx pcmds             Tx bytes");
+	for (i = 0; i < ARRAY_SIZE(tx_stats); i++)
+		sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], cnt[i],
+		    cyc[i]);
+
+	t4_pmrx_get_stats(sc, cnt, cyc);
+	sbuf_printf(sb, "\n                Rx pcmds             Rx bytes");
+	for (i = 0; i < ARRAY_SIZE(rx_stats); i++)
+		sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], cnt[i],
+		    cyc[i]);
 
 	rc = sbuf_finish(sb);
 	sbuf_delete(sb);