Quelle  fpu.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM x86_fpu

#if !defined(_TRACE_FPU_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_FPU_H

#include <linux/tracepoint.h>

DECLARE_EVENT_CLASS(x86_fpu,
 TP_PROTO(struct fpu *fpu),
 TP_ARGS(fpu),

 TP_STRUCT__entry(
  __field(struct fpu *, fpu)
  __field(bool, load_fpu)
  __field(u64, xfeatures)
  __field(u64, xcomp_bv)
  ),

 TP_fast_assign(
  __entry->fpu  = fpu;
  __entry->load_fpu = test_thread_flag(TIF_NEED_FPU_LOAD);
  if (boot_cpu_has(X86_FEATURE_OSXSAVE)) {
   __entry->xfeatures = fpu->fpstate->regs.xsave.header.xfeatures;
   __entry->xcomp_bv  = fpu->fpstate->regs.xsave.header.xcomp_bv;
  }
 ),
 TP_printk("x86/fpu: %p load: %d xfeatures: %llx xcomp_bv: %llx",
   __entry->fpu,
   __entry->load_fpu,
   __entry->xfeatures,
   __entry->xcomp_bv
 )
);

DEFINE_EVENT(x86_fpu, x86_fpu_before_save,
 TP_PROTO(struct fpu *fpu),
 TP_ARGS(fpu)
);

DEFINE_EVENT(x86_fpu, x86_fpu_after_save,
 TP_PROTO(struct fpu *fpu),
 TP_ARGS(fpu)
);

DEFINE_EVENT(x86_fpu, x86_fpu_regs_activated,
 TP_PROTO(struct fpu *fpu),
 TP_ARGS(fpu)
);

DEFINE_EVENT(x86_fpu, x86_fpu_regs_deactivated,
 TP_PROTO(struct fpu *fpu),
 TP_ARGS(fpu)
);

DEFINE_EVENT(x86_fpu, x86_fpu_dropped,
 TP_PROTO(struct fpu *fpu),
 TP_ARGS(fpu)
);

DEFINE_EVENT(x86_fpu, x86_fpu_copy_dst,
 TP_PROTO(struct fpu *fpu),
 TP_ARGS(fpu)
);

DEFINE_EVENT(x86_fpu, x86_fpu_xstate_check_failed,
 TP_PROTO(struct fpu *fpu),
 TP_ARGS(fpu)
);

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH asm/trace/
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE fpu
#endif /* _TRACE_FPU_H */

/* This part must be outside protection */
#include <trace/define_trace.h>