diff options
Diffstat (limited to 'sys/dev/hwpmc/hwpmc_x86.c')
| -rw-r--r-- | sys/dev/hwpmc/hwpmc_x86.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/sys/dev/hwpmc/hwpmc_x86.c b/sys/dev/hwpmc/hwpmc_x86.c index b48a6b0..09d04bb 100644 --- a/sys/dev/hwpmc/hwpmc_x86.c +++ b/sys/dev/hwpmc/hwpmc_x86.c @@ -39,7 +39,8 @@ __FBSDID("$FreeBSD$"); #include <machine/cpu.h> #include <machine/cputypes.h> -#include <machine/apicreg.h> +#include <machine/intr_machdep.h> +#include <machine/apicvar.h> #include <machine/pmc_mdep.h> #include <machine/md_var.h> @@ -47,18 +48,6 @@ __FBSDID("$FreeBSD$"); #include <vm/vm_param.h> #include <vm/pmap.h> -extern volatile lapic_t *lapic; - -void -pmc_x86_lapic_enable_pmc_interrupt(void) -{ - uint32_t value; - - value = lapic->lvt_pcint; - value &= ~APIC_LVT_M; - lapic->lvt_pcint = value; -} - /* * Attempt to walk a user call stack using a too-simple algorithm. * In the general case we need unwind information associated with @@ -252,16 +241,15 @@ pmc_md_initialize() struct pmc_mdep *md; /* determine the CPU kind */ - md = NULL; if (cpu_vendor_id == CPU_VENDOR_AMD) md = pmc_amd_initialize(); else if (cpu_vendor_id == CPU_VENDOR_INTEL) md = pmc_intel_initialize(); else - KASSERT(0, ("[x86,%d] Unknown vendor", __LINE__)); + return (NULL); /* disallow sampling if we do not have an LAPIC */ - if (md != NULL && lapic == NULL) + if (!lapic_enable_pmc()) for (i = 1; i < md->pmd_nclass; i++) md->pmd_classdep[i].pcd_caps &= ~PMC_CAP_INTERRUPT; @@ -271,6 +259,8 @@ pmc_md_initialize() void pmc_md_finalize(struct pmc_mdep *md) { + + lapic_disable_pmc(); if (cpu_vendor_id == CPU_VENDOR_AMD) pmc_amd_finalize(md); else if (cpu_vendor_id == CPU_VENDOR_INTEL) |
