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KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions

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This patch adds trace points in the guest entry and exit code and also
for exceptions handled by the host in kernel mode - hypercalls and page
faults. The new events are added to /sys/kernel/debug/tracing/events
under a new subsystem called kvm_hv.

Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Suresh Warrier <warrier@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Suresh E. Warrier 2014-12-03 18:48:10 -06:00 committed by Alexander Graf
parent 2711e248a3
commit 3c78f78af9
5 changed files with 539 additions and 27 deletions
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13
arch/powerpc/kvm/book3s_64_mmu_hv.c
View File

@ -37,6 +37,8 @@
#include <asm/ppc-opcode.h>
#include <asm/cputable.h>
#include "trace_hv.h"
/* POWER7 has 10-bit LPIDs, PPC970 has 6-bit LPIDs */
#define MAX_LPID_970 63
@ -622,6 +624,8 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
gfn = gpa >> PAGE_SHIFT;
memslot = gfn_to_memslot(kvm, gfn);
trace_kvm_page_fault_enter(vcpu, hpte, memslot, ea, dsisr);
/* No memslot means it's an emulated MMIO region */
if (!memslot || (memslot->flags & KVM_MEMSLOT_INVALID))
return kvmppc_hv_emulate_mmio(run, vcpu, gpa, ea,
@ -641,6 +645,7 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
mmu_seq = kvm->mmu_notifier_seq;
smp_rmb();
ret = -EFAULT;
is_io = 0;
pfn = 0;
page = NULL;
@ -664,7 +669,7 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
}
up_read(&current->mm->mmap_sem);
if (!pfn)
return -EFAULT;
goto out_put;
} else {
page = pages[0];
pfn = page_to_pfn(page);
@ -694,14 +699,14 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
}
}
ret = -EFAULT;
if (psize > pte_size)
goto out_put;
/* Check WIMG vs. the actual page we're accessing */
if (!hpte_cache_flags_ok(r, is_io)) {
if (is_io)
return -EFAULT;
goto out_put;
/*
* Allow guest to map emulated device memory as
* uncacheable, but actually make it cacheable.
@ -765,6 +770,8 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
SetPageDirty(page);
out_put:
trace_kvm_page_fault_exit(vcpu, hpte, ret);
if (page) {
/*
* We drop pages[0] here, not page because page might

19
arch/powerpc/kvm/book3s_hv.c
View File

@ -58,6 +58,9 @@
#include "book3s.h"
#define CREATE_TRACE_POINTS
#include "trace_hv.h"
/* #define EXIT_DEBUG */
/* #define EXIT_DEBUG_SIMPLE */
/* #define EXIT_DEBUG_INT */
@ -1730,6 +1733,7 @@ static void kvmppc_run_core(struct kvmppc_vcore *vc)
list_for_each_entry(vcpu, &vc->runnable_threads, arch.run_list) {
kvmppc_start_thread(vcpu);
kvmppc_create_dtl_entry(vcpu, vc);
trace_kvm_guest_enter(vcpu);
}
/* Set this explicitly in case thread 0 doesn't have a vcpu */
@ -1738,6 +1742,9 @@ static void kvmppc_run_core(struct kvmppc_vcore *vc)
vc->vcore_state = VCORE_RUNNING;
preempt_disable();
trace_kvmppc_run_core(vc, 0);
spin_unlock(&vc->lock);
kvm_guest_enter();
@ -1783,6 +1790,8 @@ static void kvmppc_run_core(struct kvmppc_vcore *vc)
kvmppc_core_pending_dec(vcpu))
kvmppc_core_dequeue_dec(vcpu);
trace_kvm_guest_exit(vcpu);
ret = RESUME_GUEST;
if (vcpu->arch.trap)
ret = kvmppc_handle_exit_hv(vcpu->arch.kvm_run, vcpu,
@ -1808,6 +1817,8 @@ static void kvmppc_run_core(struct kvmppc_vcore *vc)
wake_up(&vcpu->arch.cpu_run);
}
}
trace_kvmppc_run_core(vc, 1);
}
/*
@ -1854,11 +1865,13 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc)
}
vc->vcore_state = VCORE_SLEEPING;
trace_kvmppc_vcore_blocked(vc, 0);
spin_unlock(&vc->lock);
schedule();
finish_wait(&vc->wq, &wait);
spin_lock(&vc->lock);
vc->vcore_state = VCORE_INACTIVE;
trace_kvmppc_vcore_blocked(vc, 1);
}
static int kvmppc_run_vcpu(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
@ -1867,6 +1880,8 @@ static int kvmppc_run_vcpu(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
struct kvmppc_vcore *vc;
struct kvm_vcpu *v, *vn;
trace_kvmppc_run_vcpu_enter(vcpu);
kvm_run->exit_reason = 0;
vcpu->arch.ret = RESUME_GUEST;
vcpu->arch.trap = 0;
@ -1896,6 +1911,7 @@ static int kvmppc_run_vcpu(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
VCORE_EXIT_COUNT(vc) == 0) {
kvmppc_create_dtl_entry(vcpu, vc);
kvmppc_start_thread(vcpu);
trace_kvm_guest_enter(vcpu);
} else if (vc->vcore_state == VCORE_SLEEPING) {
wake_up(&vc->wq);
}
@ -1960,6 +1976,7 @@ static int kvmppc_run_vcpu(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
wake_up(&v->arch.cpu_run);
}
trace_kvmppc_run_vcpu_exit(vcpu, kvm_run);
spin_unlock(&vc->lock);
return vcpu->arch.ret;
}
@ -2005,7 +2022,9 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu)
if (run->exit_reason == KVM_EXIT_PAPR_HCALL &&
!(vcpu->arch.shregs.msr & MSR_PR)) {
trace_kvm_hcall_enter(vcpu);
r = kvmppc_pseries_do_hcall(vcpu);
trace_kvm_hcall_exit(vcpu, r);
kvmppc_core_prepare_to_enter(vcpu);
} else if (r == RESUME_PAGE_FAULT) {
srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);

32
arch/powerpc/kvm/trace_book3s.h Normal file
View File

@ -0,0 +1,32 @@
#if !defined(_TRACE_KVM_BOOK3S_H)
#define _TRACE_KVM_BOOK3S_H
/*
* Common defines used by the trace macros in trace_pr.h and trace_hv.h
*/
#define kvm_trace_symbol_exit \
{0x100, "SYSTEM_RESET"}, \
{0x200, "MACHINE_CHECK"}, \
{0x300, "DATA_STORAGE"}, \
{0x380, "DATA_SEGMENT"}, \
{0x400, "INST_STORAGE"}, \
{0x480, "INST_SEGMENT"}, \
{0x500, "EXTERNAL"}, \
{0x501, "EXTERNAL_LEVEL"}, \
{0x502, "EXTERNAL_HV"}, \
{0x600, "ALIGNMENT"}, \
{0x700, "PROGRAM"}, \
{0x800, "FP_UNAVAIL"}, \
{0x900, "DECREMENTER"}, \
{0x980, "HV_DECREMENTER"}, \
{0xc00, "SYSCALL"}, \
{0xd00, "TRACE"}, \
{0xe00, "H_DATA_STORAGE"}, \
{0xe20, "H_INST_STORAGE"}, \
{0xe40, "H_EMUL_ASSIST"}, \
{0xf00, "PERFMON"}, \
{0xf20, "ALTIVEC"}, \
{0xf40, "VSX"}
#endif

477
arch/powerpc/kvm/trace_hv.h Normal file
View File

@ -0,0 +1,477 @@
#if !defined(_TRACE_KVM_HV_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_HV_H
#include <linux/tracepoint.h>
#include "trace_book3s.h"
#include <asm/hvcall.h>
#include <asm/kvm_asm.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm_hv
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace_hv
#define kvm_trace_symbol_hcall \
{H_REMOVE, "H_REMOVE"}, \
{H_ENTER, "H_ENTER"}, \
{H_READ, "H_READ"}, \
{H_CLEAR_MOD, "H_CLEAR_MOD"}, \
{H_CLEAR_REF, "H_CLEAR_REF"}, \
{H_PROTECT, "H_PROTECT"}, \
{H_GET_TCE, "H_GET_TCE"}, \
{H_PUT_TCE, "H_PUT_TCE"}, \
{H_SET_SPRG0, "H_SET_SPRG0"}, \
{H_SET_DABR, "H_SET_DABR"}, \
{H_PAGE_INIT, "H_PAGE_INIT"}, \
{H_SET_ASR, "H_SET_ASR"}, \
{H_ASR_ON, "H_ASR_ON"}, \
{H_ASR_OFF, "H_ASR_OFF"}, \
{H_LOGICAL_CI_LOAD, "H_LOGICAL_CI_LOAD"}, \
{H_LOGICAL_CI_STORE, "H_LOGICAL_CI_STORE"}, \
{H_LOGICAL_CACHE_LOAD, "H_LOGICAL_CACHE_LOAD"}, \
{H_LOGICAL_CACHE_STORE, "H_LOGICAL_CACHE_STORE"}, \
{H_LOGICAL_ICBI, "H_LOGICAL_ICBI"}, \
{H_LOGICAL_DCBF, "H_LOGICAL_DCBF"}, \
{H_GET_TERM_CHAR, "H_GET_TERM_CHAR"}, \
{H_PUT_TERM_CHAR, "H_PUT_TERM_CHAR"}, \
{H_REAL_TO_LOGICAL, "H_REAL_TO_LOGICAL"}, \
{H_HYPERVISOR_DATA, "H_HYPERVISOR_DATA"}, \
{H_EOI, "H_EOI"}, \
{H_CPPR, "H_CPPR"}, \
{H_IPI, "H_IPI"}, \
{H_IPOLL, "H_IPOLL"}, \
{H_XIRR, "H_XIRR"}, \
{H_PERFMON, "H_PERFMON"}, \
{H_MIGRATE_DMA, "H_MIGRATE_DMA"}, \
{H_REGISTER_VPA, "H_REGISTER_VPA"}, \
{H_CEDE, "H_CEDE"}, \
{H_CONFER, "H_CONFER"}, \
{H_PROD, "H_PROD"}, \
{H_GET_PPP, "H_GET_PPP"}, \
{H_SET_PPP, "H_SET_PPP"}, \
{H_PURR, "H_PURR"}, \
{H_PIC, "H_PIC"}, \
{H_REG_CRQ, "H_REG_CRQ"}, \
{H_FREE_CRQ, "H_FREE_CRQ"}, \
{H_VIO_SIGNAL, "H_VIO_SIGNAL"}, \
{H_SEND_CRQ, "H_SEND_CRQ"}, \
{H_COPY_RDMA, "H_COPY_RDMA"}, \
{H_REGISTER_LOGICAL_LAN, "H_REGISTER_LOGICAL_LAN"}, \
{H_FREE_LOGICAL_LAN, "H_FREE_LOGICAL_LAN"}, \
{H_ADD_LOGICAL_LAN_BUFFER, "H_ADD_LOGICAL_LAN_BUFFER"}, \
{H_SEND_LOGICAL_LAN, "H_SEND_LOGICAL_LAN"}, \
{H_BULK_REMOVE, "H_BULK_REMOVE"}, \
{H_MULTICAST_CTRL, "H_MULTICAST_CTRL"}, \
{H_SET_XDABR, "H_SET_XDABR"}, \
{H_STUFF_TCE, "H_STUFF_TCE"}, \
{H_PUT_TCE_INDIRECT, "H_PUT_TCE_INDIRECT"}, \
{H_CHANGE_LOGICAL_LAN_MAC, "H_CHANGE_LOGICAL_LAN_MAC"}, \
{H_VTERM_PARTNER_INFO, "H_VTERM_PARTNER_INFO"}, \
{H_REGISTER_VTERM, "H_REGISTER_VTERM"}, \
{H_FREE_VTERM, "H_FREE_VTERM"}, \
{H_RESET_EVENTS, "H_RESET_EVENTS"}, \
{H_ALLOC_RESOURCE, "H_ALLOC_RESOURCE"}, \
{H_FREE_RESOURCE, "H_FREE_RESOURCE"}, \
{H_MODIFY_QP, "H_MODIFY_QP"}, \
{H_QUERY_QP, "H_QUERY_QP"}, \
{H_REREGISTER_PMR, "H_REREGISTER_PMR"}, \
{H_REGISTER_SMR, "H_REGISTER_SMR"}, \
{H_QUERY_MR, "H_QUERY_MR"}, \
{H_QUERY_MW, "H_QUERY_MW"}, \
{H_QUERY_HCA, "H_QUERY_HCA"}, \
{H_QUERY_PORT, "H_QUERY_PORT"}, \
{H_MODIFY_PORT, "H_MODIFY_PORT"}, \
{H_DEFINE_AQP1, "H_DEFINE_AQP1"}, \
{H_GET_TRACE_BUFFER, "H_GET_TRACE_BUFFER"}, \
{H_DEFINE_AQP0, "H_DEFINE_AQP0"}, \
{H_RESIZE_MR, "H_RESIZE_MR"}, \
{H_ATTACH_MCQP, "H_ATTACH_MCQP"}, \
{H_DETACH_MCQP, "H_DETACH_MCQP"}, \
{H_CREATE_RPT, "H_CREATE_RPT"}, \
{H_REMOVE_RPT, "H_REMOVE_RPT"}, \
{H_REGISTER_RPAGES, "H_REGISTER_RPAGES"}, \
{H_DISABLE_AND_GETC, "H_DISABLE_AND_GETC"}, \
{H_ERROR_DATA, "H_ERROR_DATA"}, \
{H_GET_HCA_INFO, "H_GET_HCA_INFO"}, \
{H_GET_PERF_COUNT, "H_GET_PERF_COUNT"}, \
{H_MANAGE_TRACE, "H_MANAGE_TRACE"}, \
{H_FREE_LOGICAL_LAN_BUFFER, "H_FREE_LOGICAL_LAN_BUFFER"}, \
{H_QUERY_INT_STATE, "H_QUERY_INT_STATE"}, \
{H_POLL_PENDING, "H_POLL_PENDING"}, \
{H_ILLAN_ATTRIBUTES, "H_ILLAN_ATTRIBUTES"}, \
{H_MODIFY_HEA_QP, "H_MODIFY_HEA_QP"}, \
{H_QUERY_HEA_QP, "H_QUERY_HEA_QP"}, \
{H_QUERY_HEA, "H_QUERY_HEA"}, \
{H_QUERY_HEA_PORT, "H_QUERY_HEA_PORT"}, \
{H_MODIFY_HEA_PORT, "H_MODIFY_HEA_PORT"}, \
{H_REG_BCMC, "H_REG_BCMC"}, \
{H_DEREG_BCMC, "H_DEREG_BCMC"}, \
{H_REGISTER_HEA_RPAGES, "H_REGISTER_HEA_RPAGES"}, \
{H_DISABLE_AND_GET_HEA, "H_DISABLE_AND_GET_HEA"}, \
{H_GET_HEA_INFO, "H_GET_HEA_INFO"}, \
{H_ALLOC_HEA_RESOURCE, "H_ALLOC_HEA_RESOURCE"}, \
{H_ADD_CONN, "H_ADD_CONN"}, \
{H_DEL_CONN, "H_DEL_CONN"}, \
{H_JOIN, "H_JOIN"}, \
{H_VASI_STATE, "H_VASI_STATE"}, \
{H_ENABLE_CRQ, "H_ENABLE_CRQ"}, \
{H_GET_EM_PARMS, "H_GET_EM_PARMS"}, \
{H_SET_MPP, "H_SET_MPP"}, \
{H_GET_MPP, "H_GET_MPP"}, \
{H_HOME_NODE_ASSOCIATIVITY, "H_HOME_NODE_ASSOCIATIVITY"}, \
{H_BEST_ENERGY, "H_BEST_ENERGY"}, \
{H_XIRR_X, "H_XIRR_X"}, \
{H_RANDOM, "H_RANDOM"}, \
{H_COP, "H_COP"}, \
{H_GET_MPP_X, "H_GET_MPP_X"}, \
{H_SET_MODE, "H_SET_MODE"}, \
{H_RTAS, "H_RTAS"}
#define kvm_trace_symbol_kvmret \
{RESUME_GUEST, "RESUME_GUEST"}, \
{RESUME_GUEST_NV, "RESUME_GUEST_NV"}, \
{RESUME_HOST, "RESUME_HOST"}, \
{RESUME_HOST_NV, "RESUME_HOST_NV"}
#define kvm_trace_symbol_hcall_rc \
{H_SUCCESS, "H_SUCCESS"}, \
{H_BUSY, "H_BUSY"}, \
{H_CLOSED, "H_CLOSED"}, \
{H_NOT_AVAILABLE, "H_NOT_AVAILABLE"}, \
{H_CONSTRAINED, "H_CONSTRAINED"}, \
{H_PARTIAL, "H_PARTIAL"}, \
{H_IN_PROGRESS, "H_IN_PROGRESS"}, \
{H_PAGE_REGISTERED, "H_PAGE_REGISTERED"}, \
{H_PARTIAL_STORE, "H_PARTIAL_STORE"}, \
{H_PENDING, "H_PENDING"}, \
{H_CONTINUE, "H_CONTINUE"}, \
{H_LONG_BUSY_START_RANGE, "H_LONG_BUSY_START_RANGE"}, \
{H_LONG_BUSY_ORDER_1_MSEC, "H_LONG_BUSY_ORDER_1_MSEC"}, \
{H_LONG_BUSY_ORDER_10_MSEC, "H_LONG_BUSY_ORDER_10_MSEC"}, \
{H_LONG_BUSY_ORDER_100_MSEC, "H_LONG_BUSY_ORDER_100_MSEC"}, \
{H_LONG_BUSY_ORDER_1_SEC, "H_LONG_BUSY_ORDER_1_SEC"}, \
{H_LONG_BUSY_ORDER_10_SEC, "H_LONG_BUSY_ORDER_10_SEC"}, \
{H_LONG_BUSY_ORDER_100_SEC, "H_LONG_BUSY_ORDER_100_SEC"}, \
{H_LONG_BUSY_END_RANGE, "H_LONG_BUSY_END_RANGE"}, \
{H_TOO_HARD, "H_TOO_HARD"}, \
{H_HARDWARE, "H_HARDWARE"}, \
{H_FUNCTION, "H_FUNCTION"}, \
{H_PRIVILEGE, "H_PRIVILEGE"}, \
{H_PARAMETER, "H_PARAMETER"}, \
{H_BAD_MODE, "H_BAD_MODE"}, \
{H_PTEG_FULL, "H_PTEG_FULL"}, \
{H_NOT_FOUND, "H_NOT_FOUND"}, \
{H_RESERVED_DABR, "H_RESERVED_DABR"}, \
{H_NO_MEM, "H_NO_MEM"}, \
{H_AUTHORITY, "H_AUTHORITY"}, \
{H_PERMISSION, "H_PERMISSION"}, \
{H_DROPPED, "H_DROPPED"}, \
{H_SOURCE_PARM, "H_SOURCE_PARM"}, \
{H_DEST_PARM, "H_DEST_PARM"}, \
{H_REMOTE_PARM, "H_REMOTE_PARM"}, \
{H_RESOURCE, "H_RESOURCE"}, \
{H_ADAPTER_PARM, "H_ADAPTER_PARM"}, \
{H_RH_PARM, "H_RH_PARM"}, \
{H_RCQ_PARM, "H_RCQ_PARM"}, \
{H_SCQ_PARM, "H_SCQ_PARM"}, \
{H_EQ_PARM, "H_EQ_PARM"}, \
{H_RT_PARM, "H_RT_PARM"}, \
{H_ST_PARM, "H_ST_PARM"}, \
{H_SIGT_PARM, "H_SIGT_PARM"}, \
{H_TOKEN_PARM, "H_TOKEN_PARM"}, \
{H_MLENGTH_PARM, "H_MLENGTH_PARM"}, \
{H_MEM_PARM, "H_MEM_PARM"}, \
{H_MEM_ACCESS_PARM, "H_MEM_ACCESS_PARM"}, \
{H_ATTR_PARM, "H_ATTR_PARM"}, \
{H_PORT_PARM, "H_PORT_PARM"}, \
{H_MCG_PARM, "H_MCG_PARM"}, \
{H_VL_PARM, "H_VL_PARM"}, \
{H_TSIZE_PARM, "H_TSIZE_PARM"}, \
{H_TRACE_PARM, "H_TRACE_PARM"}, \
{H_MASK_PARM, "H_MASK_PARM"}, \
{H_MCG_FULL, "H_MCG_FULL"}, \
{H_ALIAS_EXIST, "H_ALIAS_EXIST"}, \
{H_P_COUNTER, "H_P_COUNTER"}, \
{H_TABLE_FULL, "H_TABLE_FULL"}, \
{H_ALT_TABLE, "H_ALT_TABLE"}, \
{H_MR_CONDITION, "H_MR_CONDITION"}, \
{H_NOT_ENOUGH_RESOURCES, "H_NOT_ENOUGH_RESOURCES"}, \
{H_R_STATE, "H_R_STATE"}, \
{H_RESCINDED, "H_RESCINDED"}, \
{H_P2, "H_P2"}, \
{H_P3, "H_P3"}, \
{H_P4, "H_P4"}, \
{H_P5, "H_P5"}, \
{H_P6, "H_P6"}, \
{H_P7, "H_P7"}, \
{H_P8, "H_P8"}, \
{H_P9, "H_P9"}, \
{H_TOO_BIG, "H_TOO_BIG"}, \
{H_OVERLAP, "H_OVERLAP"}, \
{H_INTERRUPT, "H_INTERRUPT"}, \
{H_BAD_DATA, "H_BAD_DATA"}, \
{H_NOT_ACTIVE, "H_NOT_ACTIVE"}, \
{H_SG_LIST, "H_SG_LIST"}, \
{H_OP_MODE, "H_OP_MODE"}, \
{H_COP_HW, "H_COP_HW"}, \
{H_UNSUPPORTED_FLAG_START, "H_UNSUPPORTED_FLAG_START"}, \
{H_UNSUPPORTED_FLAG_END, "H_UNSUPPORTED_FLAG_END"}, \
{H_MULTI_THREADS_ACTIVE, "H_MULTI_THREADS_ACTIVE"}, \
{H_OUTSTANDING_COP_OPS, "H_OUTSTANDING_COP_OPS"}
TRACE_EVENT(kvm_guest_enter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu),
TP_STRUCT__entry(
__field(int, vcpu_id)
__field(unsigned long, pc)
__field(unsigned long, pending_exceptions)
__field(u8, ceded)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->pc = kvmppc_get_pc(vcpu);
__entry->ceded = vcpu->arch.ceded;
__entry->pending_exceptions = vcpu->arch.pending_exceptions;
),
TP_printk("VCPU %d: pc=0x%lx pexcp=0x%lx ceded=%d",
__entry->vcpu_id,
__entry->pc,
__entry->pending_exceptions, __entry->ceded)
);
TRACE_EVENT(kvm_guest_exit,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu),
TP_STRUCT__entry(
__field(int, vcpu_id)
__field(int, trap)
__field(unsigned long, pc)
__field(unsigned long, msr)
__field(u8, ceded)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->trap = vcpu->arch.trap;
__entry->ceded = vcpu->arch.ceded;
__entry->pc = kvmppc_get_pc(vcpu);
__entry->msr = vcpu->arch.shregs.msr;
),
TP_printk("VCPU %d: trap=%s pc=0x%lx msr=0x%lx, ceded=%d",
__entry->vcpu_id,
__print_symbolic(__entry->trap, kvm_trace_symbol_exit),
__entry->pc, __entry->msr, __entry->ceded
)
);
TRACE_EVENT(kvm_page_fault_enter,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned long *hptep,
struct kvm_memory_slot *memslot, unsigned long ea,
unsigned long dsisr),
TP_ARGS(vcpu, hptep, memslot, ea, dsisr),
TP_STRUCT__entry(
__field(int, vcpu_id)
__field(unsigned long, hpte_v)
__field(unsigned long, hpte_r)
__field(unsigned long, gpte_r)
__field(unsigned long, ea)
__field(u64, base_gfn)
__field(u32, slot_flags)
__field(u32, dsisr)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->hpte_v = hptep[0];
__entry->hpte_r = hptep[1];
__entry->gpte_r = hptep[2];
__entry->ea = ea;
__entry->dsisr = dsisr;
__entry->base_gfn = memslot ? memslot->base_gfn : -1UL;
__entry->slot_flags = memslot ? memslot->flags : 0;
),
TP_printk("VCPU %d: hpte=0x%lx:0x%lx guest=0x%lx ea=0x%lx,%x slot=0x%llx,0x%x",
__entry->vcpu_id,
__entry->hpte_v, __entry->hpte_r, __entry->gpte_r,
__entry->ea, __entry->dsisr,
__entry->base_gfn, __entry->slot_flags)
);
TRACE_EVENT(kvm_page_fault_exit,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned long *hptep, long ret),
TP_ARGS(vcpu, hptep, ret),
TP_STRUCT__entry(
__field(int, vcpu_id)
__field(unsigned long, hpte_v)
__field(unsigned long, hpte_r)
__field(long, ret)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->hpte_v = hptep[0];
__entry->hpte_r = hptep[1];
__entry->ret = ret;
),
TP_printk("VCPU %d: hpte=0x%lx:0x%lx ret=0x%lx",
__entry->vcpu_id,
__entry->hpte_v, __entry->hpte_r, __entry->ret)
);
TRACE_EVENT(kvm_hcall_enter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu),
TP_STRUCT__entry(
__field(int, vcpu_id)
__field(unsigned long, req)
__field(unsigned long, gpr4)
__field(unsigned long, gpr5)
__field(unsigned long, gpr6)
__field(unsigned long, gpr7)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->req = kvmppc_get_gpr(vcpu, 3);
__entry->gpr4 = kvmppc_get_gpr(vcpu, 4);
__entry->gpr5 = kvmppc_get_gpr(vcpu, 5);
__entry->gpr6 = kvmppc_get_gpr(vcpu, 6);
__entry->gpr7 = kvmppc_get_gpr(vcpu, 7);
),
TP_printk("VCPU %d: hcall=%s GPR4-7=0x%lx,0x%lx,0x%lx,0x%lx",
__entry->vcpu_id,
__print_symbolic(__entry->req, kvm_trace_symbol_hcall),
__entry->gpr4, __entry->gpr5, __entry->gpr6, __entry->gpr7)
);
TRACE_EVENT(kvm_hcall_exit,
TP_PROTO(struct kvm_vcpu *vcpu, int ret),
TP_ARGS(vcpu, ret),
TP_STRUCT__entry(
__field(int, vcpu_id)
__field(unsigned long, ret)
__field(unsigned long, hcall_rc)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->ret = ret;
__entry->hcall_rc = kvmppc_get_gpr(vcpu, 3);
),
TP_printk("VCPU %d: ret=%s hcall_rc=%s",
__entry->vcpu_id,
__print_symbolic(__entry->ret, kvm_trace_symbol_kvmret),
__print_symbolic(__entry->ret & RESUME_FLAG_HOST ?
H_TOO_HARD : __entry->hcall_rc,
kvm_trace_symbol_hcall_rc))
);
TRACE_EVENT(kvmppc_run_core,
TP_PROTO(struct kvmppc_vcore *vc, int where),
TP_ARGS(vc, where),
TP_STRUCT__entry(
__field(int, n_runnable)
__field(int, runner_vcpu)
__field(int, where)
__field(pid_t, tgid)
),
TP_fast_assign(
__entry->runner_vcpu = vc->runner->vcpu_id;
__entry->n_runnable = vc->n_runnable;
__entry->where = where;
__entry->tgid = current->tgid;
),
TP_printk("%s runner_vcpu==%d runnable=%d tgid=%d",
__entry->where ? "Exit" : "Enter",
__entry->runner_vcpu, __entry->n_runnable, __entry->tgid)
);
TRACE_EVENT(kvmppc_vcore_blocked,
TP_PROTO(struct kvmppc_vcore *vc, int where),
TP_ARGS(vc, where),
TP_STRUCT__entry(
__field(int, n_runnable)
__field(int, runner_vcpu)
__field(int, where)
__field(pid_t, tgid)
),
TP_fast_assign(
__entry->runner_vcpu = vc->runner->vcpu_id;
__entry->n_runnable = vc->n_runnable;
__entry->where = where;
__entry->tgid = current->tgid;
),
TP_printk("%s runner_vcpu=%d runnable=%d tgid=%d",
__entry->where ? "Exit" : "Enter",
__entry->runner_vcpu, __entry->n_runnable, __entry->tgid)
);
TRACE_EVENT(kvmppc_run_vcpu_enter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu),
TP_STRUCT__entry(
__field(int, vcpu_id)
__field(pid_t, tgid)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->tgid = current->tgid;
),
TP_printk("VCPU %d: tgid=%d", __entry->vcpu_id, __entry->tgid)
);
TRACE_EVENT(kvmppc_run_vcpu_exit,
TP_PROTO(struct kvm_vcpu *vcpu, struct kvm_run *run),
TP_ARGS(vcpu, run),
TP_STRUCT__entry(
__field(int, vcpu_id)
__field(int, exit)
__field(int, ret)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->exit = run->exit_reason;
__entry->ret = vcpu->arch.ret;
),
TP_printk("VCPU %d: exit=%d, ret=%d",
__entry->vcpu_id, __entry->exit, __entry->ret)
);
#endif /* _TRACE_KVM_HV_H */
/* This part must be outside protection */
#include <trace/define_trace.h>

25
arch/powerpc/kvm/trace_pr.h
View File

@ -3,36 +3,13 @@
#define _TRACE_KVM_PR_H
#include <linux/tracepoint.h>
#include "trace_book3s.h"
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm_pr
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace_pr
#define kvm_trace_symbol_exit \
{0x100, "SYSTEM_RESET"}, \
{0x200, "MACHINE_CHECK"}, \
{0x300, "DATA_STORAGE"}, \
{0x380, "DATA_SEGMENT"}, \
{0x400, "INST_STORAGE"}, \
{0x480, "INST_SEGMENT"}, \
{0x500, "EXTERNAL"}, \
{0x501, "EXTERNAL_LEVEL"}, \
{0x502, "EXTERNAL_HV"}, \
{0x600, "ALIGNMENT"}, \
{0x700, "PROGRAM"}, \
{0x800, "FP_UNAVAIL"}, \
{0x900, "DECREMENTER"}, \
{0x980, "HV_DECREMENTER"}, \
{0xc00, "SYSCALL"}, \
{0xd00, "TRACE"}, \
{0xe00, "H_DATA_STORAGE"}, \
{0xe20, "H_INST_STORAGE"}, \
{0xe40, "H_EMUL_ASSIST"}, \
{0xf00, "PERFMON"}, \
{0xf20, "ALTIVEC"}, \
{0xf40, "VSX"}
TRACE_EVENT(kvm_book3s_reenter,
TP_PROTO(int r, struct kvm_vcpu *vcpu),
TP_ARGS(r, vcpu),