diff options
| author | Steven Rostedt <rostedt@goodmis.org> | 2025-09-23 23:37:26 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@kernel.org> | 2025-09-23 23:37:26 +0800 |
| commit | 66e2d96b1c5875122bfb94239989d832ccf51477 (patch) | |
| tree | 104ddd0ad5979056e4d59d0a6481ad44ed4f7354 | |
| parent | 77336b918f59b9c715d1f752149557a05e0bc0bc (diff) | |
LoongArch: KVM: Move kvm_iocsr tracepoint out of generic code
The tracepoint kvm_iocsr is only used by the loongarch architecture. As
trace events can take up to 5K of memory, move this tracepoint into the
LoongArch specific tracing file so that it doesn't waste memory for all
other architectures.
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
| -rw-r--r-- | arch/loongarch/kvm/trace.h | 35 | ||||
| -rw-r--r-- | include/trace/events/kvm.h | 35 |
2 files changed, 35 insertions, 35 deletions
diff --git a/arch/loongarch/kvm/trace.h b/arch/loongarch/kvm/trace.h index 145514dab6d5..3467ee22b704 100644 --- a/arch/loongarch/kvm/trace.h +++ b/arch/loongarch/kvm/trace.h @@ -161,6 +161,41 @@ TRACE_EVENT(kvm_aux, __entry->pc) ); +#define KVM_TRACE_IOCSR_READ_UNSATISFIED 0 +#define KVM_TRACE_IOCSR_READ 1 +#define KVM_TRACE_IOCSR_WRITE 2 + +#define kvm_trace_symbol_iocsr \ + { KVM_TRACE_IOCSR_READ_UNSATISFIED, "unsatisfied-read" }, \ + { KVM_TRACE_IOCSR_READ, "read" }, \ + { KVM_TRACE_IOCSR_WRITE, "write" } + +TRACE_EVENT(kvm_iocsr, + TP_PROTO(int type, int len, u64 gpa, void *val), + TP_ARGS(type, len, gpa, val), + + TP_STRUCT__entry( + __field( u32, type ) + __field( u32, len ) + __field( u64, gpa ) + __field( u64, val ) + ), + + TP_fast_assign( + __entry->type = type; + __entry->len = len; + __entry->gpa = gpa; + __entry->val = 0; + if (val) + memcpy(&__entry->val, val, + min_t(u32, sizeof(__entry->val), len)); + ), + + TP_printk("iocsr %s len %u gpa 0x%llx val 0x%llx", + __print_symbolic(__entry->type, kvm_trace_symbol_iocsr), + __entry->len, __entry->gpa, __entry->val) +); + TRACE_EVENT(kvm_vpid_change, TP_PROTO(struct kvm_vcpu *vcpu, unsigned long vpid), TP_ARGS(vcpu, vpid), diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h index 8b7252b8d751..b282e3a86769 100644 --- a/include/trace/events/kvm.h +++ b/include/trace/events/kvm.h @@ -156,41 +156,6 @@ TRACE_EVENT(kvm_mmio, __entry->len, __entry->gpa, __entry->val) ); -#define KVM_TRACE_IOCSR_READ_UNSATISFIED 0 -#define KVM_TRACE_IOCSR_READ 1 -#define KVM_TRACE_IOCSR_WRITE 2 - -#define kvm_trace_symbol_iocsr \ - { KVM_TRACE_IOCSR_READ_UNSATISFIED, "unsatisfied-read" }, \ - { KVM_TRACE_IOCSR_READ, "read" }, \ - { KVM_TRACE_IOCSR_WRITE, "write" } - -TRACE_EVENT(kvm_iocsr, - TP_PROTO(int type, int len, u64 gpa, void *val), - TP_ARGS(type, len, gpa, val), - - TP_STRUCT__entry( - __field( u32, type ) - __field( u32, len ) - __field( u64, gpa ) - __field( u64, val ) - ), - - TP_fast_assign( - __entry->type = type; - __entry->len = len; - __entry->gpa = gpa; - __entry->val = 0; - if (val) - memcpy(&__entry->val, val, - min_t(u32, sizeof(__entry->val), len)); - ), - - TP_printk("iocsr %s len %u gpa 0x%llx val 0x%llx", - __print_symbolic(__entry->type, kvm_trace_symbol_iocsr), - __entry->len, __entry->gpa, __entry->val) -); - #define kvm_fpu_load_symbol \ {0, "unload"}, \ {1, "load"} |