xen.h

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#undef TRACE_SYSTEM
#define TRACE_SYSTEM xen

#if !defined(_TRACE_XEN_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_XEN_H

#include <linux/tracepoint.h>
#include <asm/paravirt_types.h>
#include <asm/xen/trace_types.h>

struct multicall_entry;

/* Multicalls */
DECLARE_EVENT_CLASS(xen_mc__batch,
        TP_PROTO(enum paravirt_lazy_mode mode),
        TP_ARGS(mode),
        TP_STRUCT__entry(
            __field(enum paravirt_lazy_mode, mode)
            ),
        TP_fast_assign(__entry->mode = mode),
        TP_printk("start batch LAZY_%s",
              (__entry->mode == PARAVIRT_LAZY_MMU) ? "MMU" :
              (__entry->mode == PARAVIRT_LAZY_CPU) ? "CPU" : "NONE")
    );
#define DEFINE_XEN_MC_BATCH(name)           \
    DEFINE_EVENT(xen_mc__batch, name,       \
        TP_PROTO(enum paravirt_lazy_mode mode), \
             TP_ARGS(mode))

DEFINE_XEN_MC_BATCH(xen_mc_batch);
DEFINE_XEN_MC_BATCH(xen_mc_issue);

TRACE_EVENT(xen_mc_entry,
        TP_PROTO(struct multicall_entry *mc, unsigned nargs),
        TP_ARGS(mc, nargs),
        TP_STRUCT__entry(
            __field(unsigned int, op)
            __field(unsigned int, nargs)
            __array(unsigned long, args, 6)
            ),
        TP_fast_assign(__entry->op = mc->op;
               __entry->nargs = nargs;
               memcpy(__entry->args, mc->args, sizeof(unsigned long) * nargs);
               memset(__entry->args + nargs, 0, sizeof(unsigned long) * (6 - nargs));
            ),
        TP_printk("op %u%s args [%lx, %lx, %lx, %lx, %lx, %lx]",
              __entry->op, xen_hypercall_name(__entry->op),
              __entry->args[0], __entry->args[1], __entry->args[2],
              __entry->args[3], __entry->args[4], __entry->args[5])
    );

TRACE_EVENT(xen_mc_entry_alloc,
        TP_PROTO(size_t args),
        TP_ARGS(args),
        TP_STRUCT__entry(
            __field(size_t, args)
            ),
        TP_fast_assign(__entry->args = args),
        TP_printk("alloc entry %zu arg bytes", __entry->args)
    );

TRACE_EVENT(xen_mc_callback,
        TP_PROTO(xen_mc_callback_fn_t fn, void *data),
        TP_ARGS(fn, data),
        TP_STRUCT__entry(
            __field(xen_mc_callback_fn_t, fn)
            __field(void *, data)
            ),
        TP_fast_assign(
            __entry->fn = fn;
            __entry->data = data;
            ),
        TP_printk("callback %pf, data %p",
              __entry->fn, __entry->data)
    );

TRACE_EVENT(xen_mc_flush_reason,
        TP_PROTO(enum xen_mc_flush_reason reason),
        TP_ARGS(reason),
        TP_STRUCT__entry(
            __field(enum xen_mc_flush_reason, reason)
            ),
        TP_fast_assign(__entry->reason = reason),
        TP_printk("flush reason %s",
              (__entry->reason == XEN_MC_FL_NONE) ? "NONE" :
              (__entry->reason == XEN_MC_FL_BATCH) ? "BATCH" :
              (__entry->reason == XEN_MC_FL_ARGS) ? "ARGS" :
              (__entry->reason == XEN_MC_FL_CALLBACK) ? "CALLBACK" : "??")
    );

TRACE_EVENT(xen_mc_flush,
        TP_PROTO(unsigned mcidx, unsigned argidx, unsigned cbidx),
        TP_ARGS(mcidx, argidx, cbidx),
        TP_STRUCT__entry(
            __field(unsigned, mcidx)
            __field(unsigned, argidx)
            __field(unsigned, cbidx)
            ),
        TP_fast_assign(__entry->mcidx = mcidx;
               __entry->argidx = argidx;
               __entry->cbidx = cbidx),
        TP_printk("flushing %u hypercalls, %u arg bytes, %u callbacks",
              __entry->mcidx, __entry->argidx, __entry->cbidx)
    );

TRACE_EVENT(xen_mc_extend_args,
        TP_PROTO(unsigned long op, size_t args, enum xen_mc_extend_args res),
        TP_ARGS(op, args, res),
        TP_STRUCT__entry(
            __field(unsigned int, op)
            __field(size_t, args)
            __field(enum xen_mc_extend_args, res)
            ),
        TP_fast_assign(__entry->op = op;
               __entry->args = args;
               __entry->res = res),
        TP_printk("extending op %u%s by %zu bytes res %s",
              __entry->op, xen_hypercall_name(__entry->op),
              __entry->args,
              __entry->res == XEN_MC_XE_OK ? "OK" :
              __entry->res == XEN_MC_XE_BAD_OP ? "BAD_OP" :
              __entry->res == XEN_MC_XE_NO_SPACE ? "NO_SPACE" : "???")
    );

/* mmu */
DECLARE_EVENT_CLASS(xen_mmu__set_pte,
        TP_PROTO(pte_t *ptep, pte_t pteval),
        TP_ARGS(ptep, pteval),
        TP_STRUCT__entry(
            __field(pte_t *, ptep)
            __field(pteval_t, pteval)
            ),
        TP_fast_assign(__entry->ptep = ptep;
               __entry->pteval = pteval.pte),
        TP_printk("ptep %p pteval %0*llx (raw %0*llx)",
              __entry->ptep,
              (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
              (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
    );

#define DEFINE_XEN_MMU_SET_PTE(name)                \
    DEFINE_EVENT(xen_mmu__set_pte, name,            \
             TP_PROTO(pte_t *ptep, pte_t pteval),   \
             TP_ARGS(ptep, pteval))

DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte);
DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte_atomic);

TRACE_EVENT(xen_mmu_set_domain_pte,
        TP_PROTO(pte_t *ptep, pte_t pteval, unsigned domid),
        TP_ARGS(ptep, pteval, domid),
        TP_STRUCT__entry(
            __field(pte_t *, ptep)
            __field(pteval_t, pteval)
            __field(unsigned, domid)
            ),
        TP_fast_assign(__entry->ptep = ptep;
               __entry->pteval = pteval.pte;
               __entry->domid = domid),
        TP_printk("ptep %p pteval %0*llx (raw %0*llx) domid %u",
              __entry->ptep,
              (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
              (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval,
              __entry->domid)
    );

TRACE_EVENT(xen_mmu_set_pte_at,
        TP_PROTO(struct mm_struct *mm, unsigned long addr,
             pte_t *ptep, pte_t pteval),
        TP_ARGS(mm, addr, ptep, pteval),
        TP_STRUCT__entry(
            __field(struct mm_struct *, mm)
            __field(unsigned long, addr)
            __field(pte_t *, ptep)
            __field(pteval_t, pteval)
            ),
        TP_fast_assign(__entry->mm = mm;
               __entry->addr = addr;
               __entry->ptep = ptep;
               __entry->pteval = pteval.pte),
        TP_printk("mm %p addr %lx ptep %p pteval %0*llx (raw %0*llx)",
              __entry->mm, __entry->addr, __entry->ptep,
              (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
              (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
    );

TRACE_EVENT(xen_mmu_pte_clear,
        TP_PROTO(struct mm_struct *mm, unsigned long addr, pte_t *ptep),
        TP_ARGS(mm, addr, ptep),
        TP_STRUCT__entry(
            __field(struct mm_struct *, mm)
            __field(unsigned long, addr)
            __field(pte_t *, ptep)
            ),
        TP_fast_assign(__entry->mm = mm;
               __entry->addr = addr;
               __entry->ptep = ptep),
        TP_printk("mm %p addr %lx ptep %p",
              __entry->mm, __entry->addr, __entry->ptep)
    );

TRACE_EVENT(xen_mmu_set_pmd,
        TP_PROTO(pmd_t *pmdp, pmd_t pmdval),
        TP_ARGS(pmdp, pmdval),
        TP_STRUCT__entry(
            __field(pmd_t *, pmdp)
            __field(pmdval_t, pmdval)
            ),
        TP_fast_assign(__entry->pmdp = pmdp;
               __entry->pmdval = pmdval.pmd),
        TP_printk("pmdp %p pmdval %0*llx (raw %0*llx)",
              __entry->pmdp,
              (int)sizeof(pmdval_t) * 2, (unsigned long long)pmd_val(native_make_pmd(__entry->pmdval)),
              (int)sizeof(pmdval_t) * 2, (unsigned long long)__entry->pmdval)
    );

TRACE_EVENT(xen_mmu_pmd_clear,
        TP_PROTO(pmd_t *pmdp),
        TP_ARGS(pmdp),
        TP_STRUCT__entry(
            __field(pmd_t *, pmdp)
            ),
        TP_fast_assign(__entry->pmdp = pmdp),
        TP_printk("pmdp %p", __entry->pmdp)
    );

#if PAGETABLE_LEVELS >= 4

TRACE_EVENT(xen_mmu_set_pud,
        TP_PROTO(pud_t *pudp, pud_t pudval),
        TP_ARGS(pudp, pudval),
        TP_STRUCT__entry(
            __field(pud_t *, pudp)
            __field(pudval_t, pudval)
            ),
        TP_fast_assign(__entry->pudp = pudp;
               __entry->pudval = native_pud_val(pudval)),
        TP_printk("pudp %p pudval %0*llx (raw %0*llx)",
              __entry->pudp,
              (int)sizeof(pudval_t) * 2, (unsigned long long)pud_val(native_make_pud(__entry->pudval)),
              (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval)
    );

TRACE_EVENT(xen_mmu_set_pgd,
        TP_PROTO(pgd_t *pgdp, pgd_t *user_pgdp, pgd_t pgdval),
        TP_ARGS(pgdp, user_pgdp, pgdval),
        TP_STRUCT__entry(
            __field(pgd_t *, pgdp)
            __field(pgd_t *, user_pgdp)
            __field(pgdval_t, pgdval)
            ),
        TP_fast_assign(__entry->pgdp = pgdp;
               __entry->user_pgdp = user_pgdp;
               __entry->pgdval = pgdval.pgd),
        TP_printk("pgdp %p user_pgdp %p pgdval %0*llx (raw %0*llx)",
              __entry->pgdp, __entry->user_pgdp,
              (int)sizeof(pgdval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->pgdval)),
              (int)sizeof(pgdval_t) * 2, (unsigned long long)__entry->pgdval)
    );

TRACE_EVENT(xen_mmu_pud_clear,
        TP_PROTO(pud_t *pudp),
        TP_ARGS(pudp),
        TP_STRUCT__entry(
            __field(pud_t *, pudp)
            ),
        TP_fast_assign(__entry->pudp = pudp),
        TP_printk("pudp %p", __entry->pudp)
    );
#else

TRACE_EVENT(xen_mmu_set_pud,
        TP_PROTO(pud_t *pudp, pud_t pudval),
        TP_ARGS(pudp, pudval),
        TP_STRUCT__entry(
            __field(pud_t *, pudp)
            __field(pudval_t, pudval)
            ),
        TP_fast_assign(__entry->pudp = pudp;
               __entry->pudval = native_pud_val(pudval)),
        TP_printk("pudp %p pudval %0*llx (raw %0*llx)",
              __entry->pudp,
              (int)sizeof(pudval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->pudval)),
              (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval)
    );

#endif

TRACE_EVENT(xen_mmu_pgd_clear,
        TP_PROTO(pgd_t *pgdp),
        TP_ARGS(pgdp),
        TP_STRUCT__entry(
            __field(pgd_t *, pgdp)
            ),
        TP_fast_assign(__entry->pgdp = pgdp),
        TP_printk("pgdp %p", __entry->pgdp)
    );

DECLARE_EVENT_CLASS(xen_mmu_ptep_modify_prot,
        TP_PROTO(struct mm_struct *mm, unsigned long addr,
             pte_t *ptep, pte_t pteval),
        TP_ARGS(mm, addr, ptep, pteval),
        TP_STRUCT__entry(
            __field(struct mm_struct *, mm)
            __field(unsigned long, addr)
            __field(pte_t *, ptep)
            __field(pteval_t, pteval)
            ),
        TP_fast_assign(__entry->mm = mm;
               __entry->addr = addr;
               __entry->ptep = ptep;
               __entry->pteval = pteval.pte),
        TP_printk("mm %p addr %lx ptep %p pteval %0*llx (raw %0*llx)",
              __entry->mm, __entry->addr, __entry->ptep,
              (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
              (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
    );
#define DEFINE_XEN_MMU_PTEP_MODIFY_PROT(name)               \
    DEFINE_EVENT(xen_mmu_ptep_modify_prot, name,            \
             TP_PROTO(struct mm_struct *mm, unsigned long addr, \
                  pte_t *ptep, pte_t pteval),       \
             TP_ARGS(mm, addr, ptep, pteval))

DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_start);
DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_commit);

TRACE_EVENT(xen_mmu_alloc_ptpage,
        TP_PROTO(struct mm_struct *mm, unsigned long pfn, unsigned level, bool pinned),
        TP_ARGS(mm, pfn, level, pinned),
        TP_STRUCT__entry(
            __field(struct mm_struct *, mm)
            __field(unsigned long, pfn)
            __field(unsigned, level)
            __field(bool, pinned)
            ),
        TP_fast_assign(__entry->mm = mm;
               __entry->pfn = pfn;
               __entry->level = level;
               __entry->pinned = pinned),
        TP_printk("mm %p  pfn %lx  level %d  %spinned",
              __entry->mm, __entry->pfn, __entry->level,
              __entry->pinned ? "" : "un")
    );

TRACE_EVENT(xen_mmu_release_ptpage,
        TP_PROTO(unsigned long pfn, unsigned level, bool pinned),
        TP_ARGS(pfn, level, pinned),
        TP_STRUCT__entry(
            __field(unsigned long, pfn)
            __field(unsigned, level)
            __field(bool, pinned)
            ),
        TP_fast_assign(__entry->pfn = pfn;
               __entry->level = level;
               __entry->pinned = pinned),
        TP_printk("pfn %lx  level %d  %spinned",
              __entry->pfn, __entry->level,
              __entry->pinned ? "" : "un")
    );

DECLARE_EVENT_CLASS(xen_mmu_pgd,
        TP_PROTO(struct mm_struct *mm, pgd_t *pgd),
        TP_ARGS(mm, pgd),
        TP_STRUCT__entry(
            __field(struct mm_struct *, mm)
            __field(pgd_t *, pgd)
            ),
        TP_fast_assign(__entry->mm = mm;
               __entry->pgd = pgd),
        TP_printk("mm %p pgd %p", __entry->mm, __entry->pgd)
    );
#define DEFINE_XEN_MMU_PGD_EVENT(name)              \
    DEFINE_EVENT(xen_mmu_pgd, name,             \
        TP_PROTO(struct mm_struct *mm, pgd_t *pgd), \
             TP_ARGS(mm, pgd))

DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_pin);
DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_unpin);

TRACE_EVENT(xen_mmu_flush_tlb_all,
        TP_PROTO(int x),
        TP_ARGS(x),
        TP_STRUCT__entry(__array(char, x, 0)),
        TP_fast_assign((void)x),
        TP_printk("%s", "")
    );

TRACE_EVENT(xen_mmu_flush_tlb,
        TP_PROTO(int x),
        TP_ARGS(x),
        TP_STRUCT__entry(__array(char, x, 0)),
        TP_fast_assign((void)x),
        TP_printk("%s", "")
    );

TRACE_EVENT(xen_mmu_flush_tlb_single,
        TP_PROTO(unsigned long addr),
        TP_ARGS(addr),
        TP_STRUCT__entry(
            __field(unsigned long, addr)
            ),
        TP_fast_assign(__entry->addr = addr),
        TP_printk("addr %lx", __entry->addr)
    );

TRACE_EVENT(xen_mmu_flush_tlb_others,
        TP_PROTO(const struct cpumask *cpus, struct mm_struct *mm,
             unsigned long addr, unsigned long end),
        TP_ARGS(cpus, mm, addr, end),
        TP_STRUCT__entry(
            __field(unsigned, ncpus)
            __field(struct mm_struct *, mm)
            __field(unsigned long, addr)
            __field(unsigned long, end)
            ),
        TP_fast_assign(__entry->ncpus = cpumask_weight(cpus);
               __entry->mm = mm;
               __entry->addr = addr,
               __entry->end = end),
        TP_printk("ncpus %d mm %p addr %lx, end %lx",
              __entry->ncpus, __entry->mm, __entry->addr, __entry->end)
    );

TRACE_EVENT(xen_mmu_write_cr3,
        TP_PROTO(bool kernel, unsigned long cr3),
        TP_ARGS(kernel, cr3),
        TP_STRUCT__entry(
            __field(bool, kernel)
            __field(unsigned long, cr3)
            ),
        TP_fast_assign(__entry->kernel = kernel;
               __entry->cr3 = cr3),
        TP_printk("%s cr3 %lx",
              __entry->kernel ? "kernel" : "user", __entry->cr3)
    );


/* CPU */
TRACE_EVENT(xen_cpu_write_ldt_entry,
        TP_PROTO(struct desc_struct *dt, int entrynum, u64 desc),
        TP_ARGS(dt, entrynum, desc),
        TP_STRUCT__entry(
            __field(struct desc_struct *, dt)
            __field(int, entrynum)
            __field(u64, desc)
            ),
        TP_fast_assign(__entry->dt = dt;
               __entry->entrynum = entrynum;
               __entry->desc = desc;
            ),
        TP_printk("dt %p  entrynum %d  entry %016llx",
              __entry->dt, __entry->entrynum,
              (unsigned long long)__entry->desc)
    );

TRACE_EVENT(xen_cpu_write_idt_entry,
        TP_PROTO(gate_desc *dt, int entrynum, const gate_desc *ent),
        TP_ARGS(dt, entrynum, ent),
        TP_STRUCT__entry(
            __field(gate_desc *, dt)
            __field(int, entrynum)
            ),
        TP_fast_assign(__entry->dt = dt;
               __entry->entrynum = entrynum;
            ),
        TP_printk("dt %p  entrynum %d",
              __entry->dt, __entry->entrynum)
    );

TRACE_EVENT(xen_cpu_load_idt,
        TP_PROTO(const struct desc_ptr *desc),
        TP_ARGS(desc),
        TP_STRUCT__entry(
            __field(unsigned long, addr)
            ),
        TP_fast_assign(__entry->addr = desc->address),
        TP_printk("addr %lx", __entry->addr)
    );

TRACE_EVENT(xen_cpu_write_gdt_entry,
        TP_PROTO(struct desc_struct *dt, int entrynum, const void *desc, int type),
        TP_ARGS(dt, entrynum, desc, type),
        TP_STRUCT__entry(
            __field(u64, desc)
            __field(struct desc_struct *, dt)
            __field(int, entrynum)
            __field(int, type)
            ),
        TP_fast_assign(__entry->dt = dt;
               __entry->entrynum = entrynum;
               __entry->desc = *(u64 *)desc;
               __entry->type = type;
            ),
        TP_printk("dt %p  entrynum %d  type %d  desc %016llx",
              __entry->dt, __entry->entrynum, __entry->type,
              (unsigned long long)__entry->desc)
    );

TRACE_EVENT(xen_cpu_set_ldt,
        TP_PROTO(const void *addr, unsigned entries),
        TP_ARGS(addr, entries),
        TP_STRUCT__entry(
            __field(const void *, addr)
            __field(unsigned, entries)
            ),
        TP_fast_assign(__entry->addr = addr;
               __entry->entries = entries),
        TP_printk("addr %p  entries %u",
              __entry->addr, __entry->entries)
    );


#endif /*  _TRACE_XEN_H */

/* This part must be outside protection */
#include <trace/define_trace.h>