1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  *
  25  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
  26  */
  27 
  28 #ifndef _SYS_FTRACE_H
  29 #define _SYS_FTRACE_H
  30 
  31 #ifdef  __cplusplus
  32 extern "C" {
  33 #endif
  34 
  35 /*
  36  * Constants used by both asm and non-asm code.
  37  */
  38 
  39 /*
  40  * Flags determining the state of tracing -
  41  *   both for the "ftrace_state" variable, and for the per-CPU variable
  42  *   "cpu[N]->cpu_ftrace_state".
  43  */
  44 #define FTRACE_READY    0x00000001
  45 #define FTRACE_ENABLED  0x00000002
  46 
  47 #include <sys/types.h>
  48 #include <sys/sdt.h>
  49 
  50 /*
  51  * The record of a single event.
  52  * ftrace_record_t;
  53  */
  54 
  55 #define FTRACE_0(fmt)                                           \
  56         DTRACE_PROBE1(ftrace0, char *, fmt)
  57 #define FTRACE_1(fmt, d1)                                       \
  58         DTRACE_PROBE2(ftrace1, char *, fmt, uintptr_t, d1)
  59 
  60 // #define      FTRACE_START()  ftrace_start()
  61 // #define      FTRACE_STOP()   ftrace_stop()
  62 
  63 #ifdef  __cplusplus
  64 }
  65 #endif
  66 
  67 #endif  /* _SYS_FTRACE_H */