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| author | Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2013-04-15 11:28:30 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2013-04-15 11:28:30 +0200 |
| commit | f03b5006f7e6e396746a56f5f563fb0f55cabc44 (patch) | |
| tree | 2e5911bb6da4fbe4836631b948cfeab5e5323dbc /xen/arch/x86/hvm/svm | |
| parent | 1df002bb2f218baee6fa4116fa8a7994a49daa91 (diff) | |
| download | xen-f03b5006f7e6e396746a56f5f563fb0f55cabc44.tar.gz xen-f03b5006f7e6e396746a56f5f563fb0f55cabc44.tar.bz2 xen-f03b5006f7e6e396746a56f5f563fb0f55cabc44.zip | |
x86/AMD: Dump AMD VPMU info
Dump VPMU registers on AMD in the 'q' keyhandler.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'xen/arch/x86/hvm/svm')
| -rw-r--r-- | xen/arch/x86/hvm/svm/vpmu.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/xen/arch/x86/hvm/svm/vpmu.c b/xen/arch/x86/hvm/svm/vpmu.c index b36ab2b1a9..4d1fbc8a72 100644 --- a/xen/arch/x86/hvm/svm/vpmu.c +++ b/xen/arch/x86/hvm/svm/vpmu.c @@ -414,13 +414,53 @@ static void amd_vpmu_destroy(struct vcpu *v) } } +/* VPMU part of the 'q' keyhandler */ +static void amd_vpmu_dump(struct vcpu *v) +{ + struct vpmu_struct *vpmu = vcpu_vpmu(v); + struct amd_vpmu_context *ctxt = vpmu->context; + unsigned int i; + + printk(" VPMU state: 0x%x ", vpmu->flags); + if ( !vpmu_is_set(vpmu, VPMU_CONTEXT_ALLOCATED) ) + { + printk("\n"); + return; + } + + printk("("); + if ( vpmu_is_set(vpmu, VPMU_PASSIVE_DOMAIN_ALLOCATED) ) + printk("PASSIVE_DOMAIN_ALLOCATED, "); + if ( vpmu_is_set(vpmu, VPMU_FROZEN) ) + printk("FROZEN, "); + if ( vpmu_is_set(vpmu, VPMU_CONTEXT_SAVE) ) + printk("SAVE, "); + if ( vpmu_is_set(vpmu, VPMU_RUNNING) ) + printk("RUNNING, "); + if ( vpmu_is_set(vpmu, VPMU_CONTEXT_LOADED) ) + printk("LOADED, "); + printk("ALLOCATED)\n"); + + for ( i = 0; i < num_counters; i++ ) + { + uint64_t ctrl, cntr; + + rdmsrl(ctrls[i], ctrl); + rdmsrl(counters[i], cntr); + printk(" 0x%08x: 0x%lx (0x%lx in HW) 0x%08x: 0x%lx (0x%lx in HW)\n", + ctrls[i], ctxt->ctrls[i], ctrl, + counters[i], ctxt->counters[i], cntr); + } +} + struct arch_vpmu_ops amd_vpmu_ops = { .do_wrmsr = amd_vpmu_do_wrmsr, .do_rdmsr = amd_vpmu_do_rdmsr, .do_interrupt = amd_vpmu_do_interrupt, .arch_vpmu_destroy = amd_vpmu_destroy, .arch_vpmu_save = amd_vpmu_save, - .arch_vpmu_load = amd_vpmu_load + .arch_vpmu_load = amd_vpmu_load, + .arch_vpmu_dump = amd_vpmu_dump }; int svm_vpmu_initialise(struct vcpu *v, unsigned int vpmu_flags) |