Fix: mmutrace warnings about redefined macros

[lttng-modules.git] / instrumentation / events / lttng-module / arch / x86 / kvm / mmutrace.h

diff --git a/instrumentation/events/lttng-module/arch/x86/kvm/mmutrace.h b/instrumentation/events/lttng-module/arch/x86/kvm/mmutrace.h
index 2b71d44136b9d699e3c5a71d5d5791f627723d66..bbfce67884794fc29c172a349ff03caf80dade22 100644 (file)
--- a/instrumentation/events/lttng-module/arch/x86/kvm/mmutrace.h
+++ b/instrumentation/events/lttng-module/arch/x86/kvm/mmutrace.h
@@ -3,44 +3,45 @@
 
 #include "../../../../../../probes/lttng-tracepoint-event.h"
 #include <linux/ftrace_event.h>
+#include <linux/version.h>
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvmmmu
 
+#undef KVM_MMU_PAGE_FIELDS
+#undef KVM_MMU_PAGE_ASSIGN
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
+
 #define KVM_MMU_PAGE_FIELDS \
+       __field(unsigned long, mmu_valid_gen) \
        __field(__u64, gfn) \
        __field(__u32, role) \
        __field(__u32, root_count) \
        __field(bool, unsync)
 
 #define KVM_MMU_PAGE_ASSIGN(sp)                             \
+       tp_assign(mmu_valid_gen, sp->mmu_valid_gen)  \
        tp_assign(gfn, sp->gfn)                      \
        tp_assign(role, sp->role.word)               \
        tp_assign(root_count, sp->root_count)        \
        tp_assign(unsync, sp->unsync)
 
-#define KVM_MMU_PAGE_PRINTK() ({                                       \
-       const char *ret = p->buffer + p->len;                           \
-       static const char *access_str[] = {                             \
-               "---", "--x", "w--", "w-x", "-u-", "-ux", "wu-", "wux"  \
-       };                                                              \
-       union kvm_mmu_page_role role;                                   \
-                                                                       \
-       role.word = __entry->role;                                      \
-                                                                       \
-       trace_seq_printf(p, "sp gfn %llx %u%s q%u%s %s%s"               \
-                        " %snxe root %u %s%c",                         \
-                        __entry->gfn, role.level,                      \
-                        role.cr4_pae ? " pae" : "",                    \
-                        role.quadrant,                                 \
-                        role.direct ? " direct" : "",                  \
-                        access_str[role.access],                       \
-                        role.invalid ? " invalid" : "",                \
-                        role.nxe ? "" : "!",                           \
-                        __entry->root_count,                           \
-                        __entry->unsync ? "unsync" : "sync", 0);       \
-       ret;                                                            \
-               })
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
+
+#define KVM_MMU_PAGE_FIELDS \
+       __field(__u64, gfn) \
+       __field(__u32, role) \
+       __field(__u32, root_count) \
+       __field(bool, unsync)
+
+#define KVM_MMU_PAGE_ASSIGN(sp)                             \
+       tp_assign(gfn, sp->gfn)                      \
+       tp_assign(role, sp->role.word)               \
+       tp_assign(root_count, sp->root_count)        \
+       tp_assign(unsync, sp->unsync)
+
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
 
 #define kvm_mmu_trace_pferr_flags       \
        { PFERR_PRESENT_MASK, "P" },    \
@@ -157,8 +158,7 @@ LTTNG_TRACEPOINT_EVENT(
                tp_assign(created, created)
                ),
 
-       TP_printk("%s %s", KVM_MMU_PAGE_PRINTK(),
-                 __entry->created ? "new" : "existing")
+       TP_printk()
 )
 
 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,
@@ -174,7 +174,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,
                KVM_MMU_PAGE_ASSIGN(sp)
        ),
 
-       TP_printk("%s", KVM_MMU_PAGE_PRINTK())
+       TP_printk()
 )
 
 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page,
@@ -195,6 +195,33 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
        TP_ARGS(sp)
 )
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
+
+LTTNG_TRACEPOINT_EVENT(
+       mark_mmio_spte,
+       TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen),
+       TP_ARGS(sptep, gfn, access, gen),
+
+       TP_STRUCT__entry(
+               __field(void *, sptep)
+               __field(gfn_t, gfn)
+               __field(unsigned, access)
+               __field(unsigned int, gen)
+       ),
+
+       TP_fast_assign(
+               tp_assign(sptep, sptep)
+               tp_assign(gfn, gfn)
+               tp_assign(access, access)
+               tp_assign(gen, gen)
+       ),
+
+       TP_printk("sptep:%p gfn %llx access %x", __entry->sptep, __entry->gfn,
+                 __entry->access)
+)
+
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
+
 LTTNG_TRACEPOINT_EVENT(
        mark_mmio_spte,
        TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access),
@@ -216,6 +243,8 @@ LTTNG_TRACEPOINT_EVENT(
                  __entry->access)
 )
 
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
+
 LTTNG_TRACEPOINT_EVENT(
        handle_mmio_page_fault,
        TP_PROTO(u64 addr, gfn_t gfn, unsigned access),