SEO

re
apparently it's a good number to know of.
plz test.
cu

--
paranoic mickey (my employers have changed but, the name has remained)

Index: i386/ipifuncs.c
================================================== =================
RCS file: /cvs/src/sys/arch/i386/i386/ipifuncs.c,v
retrieving revision 1.3
diff -u -r1.3 ipifuncs.c
--- i386/ipifuncs.c 16 Jun 2004 18:24:23 -0000 1.3
+++ i386/ipifuncs.c 10 Mar 2006 17:53:36 -0000
@@ -164,6 +164,7 @@
void
i386_ipi_handler(void)
{
+ extern struct evcount ipi_count;
struct cpu_info *ci = curcpu();
u_int32_t pending;
int bit;
@@ -174,6 +175,7 @@
if (pending & (1<<bit)) {
pending &= ~(1<<bit);
(*ipifunc[bit])(ci);
+ ipi_count.ec_count++;
}
}
}
Index: i386/lapic.c
================================================== =================
RCS file: /cvs/src/sys/arch/i386/i386/lapic.c,v
retrieving revision 1.5
diff -u -r1.5 lapic.c
--- i386/lapic.c 28 Jun 2004 02:00:20 -0000 1.5
+++ i386/lapic.c 10 Mar 2006 17:53:36 -0000
@@ -64,6 +64,7 @@
#include <i386/isa/timerreg.h> /* XXX for TIMER_FREQ */

struct evcount clk_count;
+struct evcount ipi_count;

void lapic_delay(int);
void lapic_microtime(struct timeval *);
@@ -165,6 +166,7 @@
paddr_t lapic_base;
{
static int clk_irq = 0;
+ static int ipi_irq = 0;

lapic_map(lapic_base);

@@ -175,6 +177,7 @@
idt_vec_set(LAPIC_TIMER_VECTOR, Xintrltimer);

evcount_attach(&clk_count, "clock", (void *)&clk_irq, &evcount_intr);
+ evcount_attach(&ipi_count, "ipi", (void *)&ipi_irq, &evcount_intr);
}

static __inline u_int32_t