The "intr" line gives counts of interrupts serviced since boot time, for each
of the possible system interrupts. The first column is the total of all
-interrupts serviced; each subsequent column is the total for that particular
-interrupt.
+interrupts serviced including unnumbered architecture specific interrupts;
+each subsequent column is the total for that particular numbered interrupt.
+Unnumbered interrupts are not shown, only summed into the total.
The "ctxt" line gives the total number of context switches across all CPUs.