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raw | patch | inline | side by side (parent: 7724cf2)
Drop support for kernels < 4.4 from kvm instrumentation
authorMichael Jeanson <mjeanson@efficios.com>
Fri, 18 Nov 2022 23:14:46 +0000 (18:14 -0500)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Wed, 23 Nov 2022 20:05:37 +0000 (15:05 -0500)
Change-Id: I01297f0e1b3e0e1121f8b7222059ef32e634d137
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
include/instrumentation/events/arch/x86/kvm/mmutrace.h patch | blob | blame | history
include/instrumentation/events/arch/x86/kvm/trace.h patch | blob | blame | history
include/instrumentation/events/kvm.h patch | blob | blame | history

diff --git a/include/instrumentation/events/arch/x86/kvm/mmutrace.h b/include/instrumentation/events/arch/x86/kvm/mmutrace.h
index e20cda20560a68dd4d7587f34ee441a9240f34fb..4107b6ef25f3211d816bf8257c256d8eeb7f57cc 100644 (file)
--- a/include/instrumentation/events/arch/x86/kvm/mmutrace.h
+++ b/include/instrumentation/events/arch/x86/kvm/mmutrace.h
@@ -5,11 +5,7 @@
 #include <lttng/tracepoint-event.h>
 #include <lttng/kernel-version.h>
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0))
 #include <linux/trace_events.h>
-#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
-#include <linux/ftrace_event.h>
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm_mmu
@@ -23,7 +19,7 @@
        ctf_integer(__u32, root_count, (sp)->root_count) \
        ctf_integer(bool, unsync, (sp)->unsync)
 
-#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0))
+#else
 
 #define LTTNG_KVM_MMU_PAGE_FIELDS \
        ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
@@ -32,17 +28,8 @@
        ctf_integer(__u32, root_count, (sp)->root_count) \
        ctf_integer(bool, unsync, (sp)->unsync)
 
-#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0)) */
-
-#define LTTNG_KVM_MMU_PAGE_FIELDS \
-       ctf_integer(__u64, gfn, (sp)->gfn) \
-       ctf_integer(__u32, role, (sp)->role.word) \
-       ctf_integer(__u32, root_count, (sp)->root_count) \
-       ctf_integer(bool, unsync, (sp)->unsync)
-
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0)) */
+#endif
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,6,0))
 /*
  * A pagetable walk has started
  */
@@ -56,23 +43,6 @@ LTTNG_TRACEPOINT_EVENT(
                ctf_integer(__u32, pferr, pferr)
        )
 )
-#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,6,0)) */
-/*
- * A pagetable walk has started
- */
-LTTNG_TRACEPOINT_EVENT(
-       kvm_mmu_pagetable_walk,
-       TP_PROTO(u64 addr, int write_fault, int user_fault, int fetch_fault),
-       TP_ARGS(addr, write_fault, user_fault, fetch_fault),
-
-       TP_FIELDS(
-               ctf_integer_hex(__u64, addr, addr)
-               ctf_integer(__u32, pferr,
-                       (!!write_fault << 1) | (!!user_fault << 2)
-                       | (!!fetch_fault << 4))
-       )
-)
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,6,0)) */
 
 /* We just walked a paging element */
 LTTNG_TRACEPOINT_EVENT(
@@ -181,7 +151,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(
        )
 )
 
-#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0))
+#else
 
 LTTNG_TRACEPOINT_EVENT_MAP(
        mark_mmio_spte,
@@ -198,25 +168,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(
                ctf_integer(unsigned int, gen, gen)
        )
 )
-
-#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0)) */
-
-LTTNG_TRACEPOINT_EVENT_MAP(
-       mark_mmio_spte,
-
-       kvm_mmu_mark_mmio_spte,
-
-       TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access),
-       TP_ARGS(sptep, gfn, access),
-
-       TP_FIELDS(
-               ctf_integer_hex(void *, sptep, sptep)
-               ctf_integer(gfn_t, gfn, gfn)
-               ctf_integer(unsigned, access, access)
-       )
-)
-
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0)) */
+#endif
 
 LTTNG_TRACEPOINT_EVENT_MAP(
        handle_mmio_page_fault,
diff --git a/include/instrumentation/events/arch/x86/kvm/trace.h b/include/instrumentation/events/arch/x86/kvm/trace.h
index 0d6c4e3319361e4c9823e0d18da36ff148d0fdac..0bccea064392f248a561c5e3b6214e5a0efa4c31 100644 (file)
--- a/include/instrumentation/events/arch/x86/kvm/trace.h
+++ b/include/instrumentation/events/arch/x86/kvm/trace.h
@@ -5,9 +5,7 @@
 #include <lttng/tracepoint-event.h>
 #include <asm/vmx.h>
 #include <asm/svm.h>
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
 #include <asm/clocksource.h>
-#endif
 #include <lttng/kernel-version.h>
 #include <wrapper/kvm-x86.h>
 #include <../arch/x86/kvm/lapic.h>
@@ -546,21 +544,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(kvm_emulate_insn, kvm_x86_emulate_insn,
        TP_ARGS(vcpu, failed),
 
        TP_FIELDS(
-#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0))
-               ctf_integer(__u64, rip, vcpu->arch.emulate_ctxt.decode.fetch.start)
-               ctf_integer(__u32, csbase, kvm_x86_ops->get_segment_base(vcpu, VCPU_SREG_CS))
-               ctf_integer(__u8, len, vcpu->arch.emulate_ctxt.decode.eip
-                               - vcpu->arch.emulate_ctxt.decode.fetch.start)
-               ctf_array(__u8, insn, vcpu->arch.emulate_ctxt.decode.fetch.data, 15)
-               ctf_integer(__u8, flags, kei_decode_mode(vcpu->arch.emulate_ctxt.mode))
-#elif (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,17,0))
-               ctf_integer(__u64, rip, vcpu->arch.emulate_ctxt.fetch.start)
-               ctf_integer(__u32, csbase, kvm_x86_ops->get_segment_base(vcpu, VCPU_SREG_CS))
-               ctf_integer(__u8, len, vcpu->arch.emulate_ctxt._eip
-                               - vcpu->arch.emulate_ctxt.fetch.start)
-               ctf_array(__u8, insn, vcpu->arch.emulate_ctxt.fetch.data, 15)
-               ctf_integer(__u8, flags, kei_decode_mode(vcpu->arch.emulate_ctxt.mode))
-#elif (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(5,7,0))
+#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(5,7,0))
                ctf_integer(__u64, rip, vcpu->arch.emulate_ctxt._eip -
                                (vcpu->arch.emulate_ctxt.fetch.ptr -
                                        vcpu->arch.emulate_ctxt.fetch.data))
@@ -608,7 +592,6 @@ LTTNG_TRACEPOINT_EVENT_MAP(
        )
 )
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,11,0))
 LTTNG_TRACEPOINT_EVENT_MAP(kvm_write_tsc_offset, kvm_x86_write_tsc_offset,
        TP_PROTO(unsigned int vcpu_id, __u64 previous_tsc_offset,
                 __u64 next_tsc_offset),
@@ -620,9 +603,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(kvm_write_tsc_offset, kvm_x86_write_tsc_offset,
                ctf_integer(__u64, next_tsc_offset, next_tsc_offset)
        )
 )
-#endif
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0))
 #ifdef CONFIG_X86_64
 
 LTTNG_TRACEPOINT_EVENT_MAP(kvm_update_master_clock, kvm_x86_update_master_clock,
@@ -653,7 +634,6 @@ LTTNG_TRACEPOINT_EVENT_MAP(kvm_track_tsc, kvm_x86_track_tsc,
 )
 
 #endif /* CONFIG_X86_64 */
-#endif /* LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0) */
 
 #endif /* LTTNG_TRACE_KVM_H */
 
diff --git a/include/instrumentation/events/kvm.h b/include/instrumentation/events/kvm.h
index 3df389674cec86e5f67c02a0bddaf37c62b23ddd..0311b446204af8d8e3ff510c4bc84548625126c5 100644 (file)
--- a/include/instrumentation/events/kvm.h
+++ b/include/instrumentation/events/kvm.h
@@ -18,14 +18,7 @@ LTTNG_TRACEPOINT_EVENT(kvm_userspace_exit,
        )
 )
 
-#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,6,0))
 #if defined(__KVM_HAVE_IOAPIC)
-#undef __KVM_HAVE_IRQ_LINE
-#define __KVM_HAVE_IRQ_LINE
-#endif
-#endif
-
-#if defined(__KVM_HAVE_IRQ_LINE)
 LTTNG_TRACEPOINT_EVENT(kvm_set_irq,
        TP_PROTO(unsigned int gsi, int level, int irq_source_id),
        TP_ARGS(gsi, level, irq_source_id),
@@ -36,9 +29,6 @@ LTTNG_TRACEPOINT_EVENT(kvm_set_irq,
                ctf_integer(int, irq_source_id, irq_source_id)
        )
 )
-#endif
-
-#if defined(__KVM_HAVE_IOAPIC)
 
 LTTNG_TRACEPOINT_EVENT(kvm_ioapic_set_irq,
            TP_PROTO(__u64 e, int pin, bool coalesced),
@@ -103,10 +93,6 @@ LTTNG_TRACEPOINT_EVENT(kvm_mmio,
        || LTTNG_DEBIAN_KERNEL_RANGE(4,14,13,0,1,0, 4,15,0,0,0,0) \
        || LTTNG_KERNEL_RANGE(4,9,77, 4,10,0) \
        || LTTNG_KERNEL_RANGE(4,4,112, 4,5,0) \
-       || LTTNG_KERNEL_RANGE(4,1,50, 4,2,0) \
-       || LTTNG_KERNEL_RANGE(3,16,52, 3,17,0) \
-       || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,144, 3,14,0,0) \
-       || LTTNG_KERNEL_RANGE(3,2,97, 3,3,0) \
        || LTTNG_UBUNTU_KERNEL_RANGE(4,13,16,38, 4,14,0,0) \
        || LTTNG_DEBIAN_KERNEL_RANGE(4,9,65,0,3,0, 4,10,0,0,0,0) \
        || LTTNG_FEDORA_KERNEL_RANGE(4,14,13,300, 4,15,0,0))
@@ -152,9 +138,6 @@ LTTNG_TRACEPOINT_EVENT(kvm_fpu,
        )
 )
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,18,0) \
-       || LTTNG_RHEL_KERNEL_RANGE(3,10,0,327,0,0, 3,11,0,0,0,0))
-
 LTTNG_TRACEPOINT_EVENT(kvm_age_page,
        TP_PROTO(ulong gfn, int level, struct kvm_memory_slot *slot, int ref),
        TP_ARGS(gfn, level, slot, ref),
@@ -168,21 +151,6 @@ LTTNG_TRACEPOINT_EVENT(kvm_age_page,
        )
 )
 
-#else
-
-LTTNG_TRACEPOINT_EVENT(kvm_age_page,
-       TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref),
-       TP_ARGS(hva, slot, ref),
-
-       TP_FIELDS(
-               ctf_integer(u64, hva, hva)
-               ctf_integer(u64, gfn,
-                       slot->base_gfn + ((hva - slot->userspace_addr) >> PAGE_SHIFT))
-               ctf_integer(u8, referenced, ref)
-       )
-)
-#endif
-
 #ifdef CONFIG_KVM_ASYNC_PF
 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_async_get_page_class,
 
@@ -236,9 +204,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_async_pf_nopresent_ready, kvm_async_pf_ready
        TP_ARGS(token, gva)
 )
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,13,0) \
-       || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0))
-
 LTTNG_TRACEPOINT_EVENT(
        kvm_async_pf_completed,
        TP_PROTO(unsigned long address, u64 gva),
@@ -250,22 +215,6 @@ LTTNG_TRACEPOINT_EVENT(
        )
 )
 
-#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,13,0)) */
-
-LTTNG_TRACEPOINT_EVENT(
-       kvm_async_pf_completed,
-       TP_PROTO(unsigned long address, struct page *page, u64 gva),
-       TP_ARGS(address, page, gva),
-
-       TP_FIELDS(
-               ctf_integer_hex(unsigned long, address, address)
-               ctf_integer(pfn_t, pfn, page ? page_to_pfn(page) : 0)
-               ctf_integer(u64, gva, gva)
-       )
-)
-
-#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,13,0)) */
-
 #endif
 
 #endif /* LTTNG_TRACE_KVM_MAIN_H */
LTTng 2.0/0.x modules
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