diff options
Diffstat (limited to '')
| -rw-r--r-- | include/trace/events/xen.h | 459 |
1 files changed, 459 insertions, 0 deletions
diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h new file mode 100644 index 000000000..3b61b587e --- /dev/null +++ b/include/trace/events/xen.h @@ -0,0 +1,459 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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_DEFINE_SIZEOF(ulong); + +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(ulong) * nargs); + memset(__entry->args + nargs, 0, sizeof(ulong) * (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( + /* + * Use field_struct to avoid is_signed_type() + * comparison of a function pointer. + */ + __field_struct(xen_mc_callback_fn_t, fn) + __field(void *, data) + ), + TP_fast_assign( + __entry->fn = fn; + __entry->data = data; + ), + TP_printk("callback %ps, 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" : "???") + ); + +TRACE_DEFINE_SIZEOF(pteval_t); +/* 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); + +TRACE_DEFINE_SIZEOF(pmdval_t); + +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) + ); + +#ifdef CONFIG_X86_PAE +DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte_atomic); + +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_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) + ); +#endif + +#if CONFIG_PGTABLE_LEVELS >= 4 + +TRACE_DEFINE_SIZEOF(pudval_t); + +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_DEFINE_SIZEOF(p4dval_t); + +TRACE_EVENT(xen_mmu_set_p4d, + TP_PROTO(p4d_t *p4dp, p4d_t *user_p4dp, p4d_t p4dval), + TP_ARGS(p4dp, user_p4dp, p4dval), + TP_STRUCT__entry( + __field(p4d_t *, p4dp) + __field(p4d_t *, user_p4dp) + __field(p4dval_t, p4dval) + ), + TP_fast_assign(__entry->p4dp = p4dp; + __entry->user_p4dp = user_p4dp; + __entry->p4dval = p4d_val(p4dval)), + TP_printk("p4dp %p user_p4dp %p p4dval %0*llx (raw %0*llx)", + __entry->p4dp, __entry->user_p4dp, + (int)sizeof(p4dval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->p4dval)), + (int)sizeof(p4dval_t) * 2, (unsigned long long)__entry->p4dval) + ); +#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 + +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_one_user, + 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> |