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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /arch/riscv/kvm/trace.h
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
Diffstat (limited to 'arch/riscv/kvm/trace.h')
-rw-r--r--arch/riscv/kvm/trace.h144
1 files changed, 144 insertions, 0 deletions
diff --git a/arch/riscv/kvm/trace.h b/arch/riscv/kvm/trace.h
new file mode 100644
index 000000000..23a5fd1b6
--- /dev/null
+++ b/arch/riscv/kvm/trace.h
@@ -0,0 +1,144 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Tracepoints for RISC-V KVM
+ *
+ * Copyright 2024 Beijing ESWIN Computing Technology Co., Ltd.
+ *
+ */
+#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_KVM_H
+
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM kvm
+
+TRACE_EVENT(kvm_entry,
+ TP_PROTO(struct kvm_vcpu *vcpu),
+ TP_ARGS(vcpu),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, pc)
+ ),
+
+ TP_fast_assign(
+ __entry->pc = vcpu->arch.guest_context.sepc;
+ ),
+
+ TP_printk("PC: 0x%016lx", __entry->pc)
+);
+
+TRACE_EVENT(kvm_exit,
+ TP_PROTO(struct kvm_cpu_trap *trap),
+ TP_ARGS(trap),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, sepc)
+ __field(unsigned long, scause)
+ __field(unsigned long, stval)
+ __field(unsigned long, htval)
+ __field(unsigned long, htinst)
+ ),
+
+ TP_fast_assign(
+ __entry->sepc = trap->sepc;
+ __entry->scause = trap->scause;
+ __entry->stval = trap->stval;
+ __entry->htval = trap->htval;
+ __entry->htinst = trap->htinst;
+ ),
+
+ TP_printk("SEPC:0x%lx, SCAUSE:0x%lx, STVAL:0x%lx, HTVAL:0x%lx, HTINST:0x%lx",
+ __entry->sepc,
+ __entry->scause,
+ __entry->stval,
+ __entry->htval,
+ __entry->htinst)
+);
+
+TRACE_EVENT(kvm_mmio_emulate,
+ TP_PROTO(unsigned long vcpu_id, unsigned long sepc, unsigned long insn,
+ unsigned long fault_addr, bool write, int len),
+ TP_ARGS(vcpu_id, sepc, insn, fault_addr, write, len),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, vcpu_id)
+ __field(unsigned long, sepc)
+ __field(unsigned long, insn)
+ __field(unsigned long, fault_addr)
+ __field(bool, write)
+ __field(int, len)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_id = vcpu_id;
+ __entry->sepc = sepc;
+ __entry->insn = insn;
+ __entry->fault_addr = fault_addr;
+ __entry->write = write;
+ __entry->len = len;
+ ),
+
+ TP_printk("VCPU: %lu, %s MMIO at 0x%lx, len %d, insn 0x%lx, sepc 0x%lx",
+ __entry->vcpu_id, __entry->write ? "Store" : "Load",
+ __entry->fault_addr, __entry->len, __entry->insn,
+ __entry->sepc)
+);
+
+TRACE_EVENT(kvm_vcpu_exit,
+ TP_PROTO(unsigned long vcpu_id, unsigned long sepc, unsigned long scause,
+ unsigned long stval, unsigned long htval, unsigned long htinst),
+ TP_ARGS(vcpu_id, sepc, scause, stval, htval, htinst),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, vcpu_id)
+ __field(unsigned long, sepc)
+ __field(unsigned long, scause)
+ __field(unsigned long, stval)
+ __field(unsigned long, htval)
+ __field(unsigned long, htinst)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_id = vcpu_id;
+ __entry->sepc = sepc;
+ __entry->scause = scause;
+ __entry->stval = stval;
+ __entry->htval = htval;
+ __entry->htinst = htinst;
+ ),
+
+ TP_printk("VCPU: %lu, SEPC: 0x%lx, SCAUSE: 0x%lx, STVAL: 0x%lx, HTVAL: 0x%lx, HTINST: 0x%lx",
+ __entry->vcpu_id, __entry->sepc, __entry->scause,
+ __entry->stval, __entry->htval, __entry->htinst)
+);
+
+TRACE_EVENT(kvm_vcpu_irq,
+ TP_PROTO(unsigned long vcpu_id, unsigned int irq, int level),
+ TP_ARGS(vcpu_id, irq, level),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, vcpu_id)
+ __field(unsigned int, irq)
+ __field(int, level)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_id = vcpu_id;
+ __entry->irq = irq;
+ __entry->level = level;
+ ),
+
+ TP_printk("VCPU: %lu, IRQ: %u, level: %d",
+ __entry->vcpu_id, __entry->irq, __entry->level)
+);
+
+#endif /* _TRACE_KVM_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>