[src/trunk]: src/sys/arch/sparc/sparc add per-cpu event counters for lev10 an...

[mrg <mrg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/883a5cd4babb
branches:  trunk
changeset: 750193:883a5cd4babb
user:      mrg <mrg%NetBSD.org@localhost>
date:      Sun Dec 20 03:40:03 2009 +0000

description:
add per-cpu event counters for lev10 and lev14 interrupts.
add some disabled MP code to poke other cpus on level 14 interrupts.

diffstat:

 sys/arch/sparc/sparc/timer_sun4m.c |  20 ++++++++++++++++++--
 1 files changed, 18 insertions(+), 2 deletions(-)

diffs (55 lines):

diff -r 5403c6bee6db -r 883a5cd4babb sys/arch/sparc/sparc/timer_sun4m.c
--- a/sys/arch/sparc/sparc/timer_sun4m.c        Sun Dec 20 03:38:59 2009 +0000
+++ b/sys/arch/sparc/sparc/timer_sun4m.c        Sun Dec 20 03:40:03 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: timer_sun4m.c,v 1.17 2009/03/10 23:58:20 martin Exp $  */
+/*     $NetBSD: timer_sun4m.c,v 1.18 2009/12/20 03:40:03 mrg Exp $     */
 
 /*
  * Copyright (c) 1992, 1993
@@ -58,7 +58,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: timer_sun4m.c,v 1.17 2009/03/10 23:58:20 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: timer_sun4m.c,v 1.18 2009/12/20 03:40:03 mrg Exp $");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -110,6 +110,7 @@
         * panic
         * so for now just bail when cold
         */
+       cpuinfo.ci_lev10.ev_count++;
        if (cold)
                return 0;
        /* read the limit register to clear the interrupt */
@@ -128,6 +129,14 @@
        struct clockframe *frame = cap;
        u_long newint;
 
+       cpuinfo.ci_lev14.ev_count++;
+
+#if defined(MULTIPROCESSOR) && 0
+       if (!(curcpu()->master)) {
+               raise_ipi(&cpuinfo, 10);
+       }
+#endif
+
        /* read the limit register to clear the interrupt */
        *((volatile int *)&counterreg4m->t_limit);
 
@@ -221,6 +230,13 @@
                cpi->counterreg_4m = (struct counter_4m *)bh;
        }
 
+       /* Install timer/statclock event counters, per cpu */
+       for (CPU_INFO_FOREACH(n, cpi)) {
+               snprintf(cpi->ci_cpuname, sizeof(cpi->ci_cpuname), "cpu/%d", n);
+               evcnt_attach_dynamic(&cpi->ci_lev10, EVCNT_TYPE_INTR, NULL, cpi->ci_cpuname, "lev10");
+               evcnt_attach_dynamic(&cpi->ci_lev14, EVCNT_TYPE_INTR, NULL, cpi->ci_cpuname, "lev14");
+       }
+
        /* Put processor counter in "timer" mode */
        timerreg4m->t_cfg = 0;