1 /* $NetBSD: tprof_types.h,v 1.7 2023/04/11 10:07:12 msaitoh Exp $ */ 2 3 /*- 4 * Copyright (c)2010,2011 YAMAMOTO Takashi, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _DEV_TPROF_TPROF_TYPES_H_ 30 #define _DEV_TPROF_TPROF_TYPES_H_ 31 32 /* 33 * definitions used by both kernel and userland 34 */ 35 36 #if defined(_KERNEL) 37 #include <sys/types.h> 38 #else 39 #include <stdint.h> 40 #endif 41 42 #define TPROF_MAXCOUNTERS 32 43 typedef uint32_t tprof_countermask_t; 44 #define TPROF_COUNTERMASK_ALL __BITS(31, 0) 45 46 typedef struct { 47 uint32_t s_pid; /* process id */ 48 uint32_t s_lwpid; /* lwp id */ 49 uint32_t s_cpuid; /* cpu id */ 50 uint32_t s_flags; /* flags and counterID */ 51 #define TPROF_SAMPLE_INKERNEL 0x00000001 /* s_pc is in kernel address space */ 52 #define TPROF_SAMPLE_COUNTER_MASK 0xff000000 /* 0..(TPROF_MAXCOUNTERS-1) */ 53 uintptr_t s_pc; /* program counter */ 54 } tprof_sample_t; 55 56 typedef struct tprof_param { 57 u_int p_counter; /* 0..(TPROF_MAXCOUNTERS-1) */ 58 u_int p__unused; 59 uint64_t p_event; /* event class */ 60 uint64_t p_unit; /* unit within the event class */ 61 uint64_t p_flags; 62 #define TPROF_PARAM_KERN 0x1 63 #define TPROF_PARAM_USER 0x2 64 #define TPROF_PARAM_PROFILE 0x4 65 #define TPROF_PARAM_VALUE2_MASK __BITS(63, 60) 66 #define TPROF_PARAM_VALUE2_SCALE __SHIFTIN(1, TPROF_PARAM_VALUE2_MASK) 67 #define TPROF_PARAM_VALUE2_TRIGGERCOUNT __SHIFTIN(2, TPROF_PARAM_VALUE2_MASK) 68 uint64_t p_value; /* initial value */ 69 uint64_t p_value2; 70 /* 71 * p_value2 is an optional value. (p_flags & TPROF_PARAM_VALUE2_MASK) 72 * determines the usage. 73 * 74 * TPROF_PARAM_VALUE2_SCALE: 75 * Specify the counter speed as the reciprocal of the cycle counter 76 * speed ratio. if the counter is N times slower than the cycle 77 * counter, p_value2 is (0x1_0000_0000 / N). 0 is treated as 1.0. 78 * TPROF_PARAM_VALUE2_TRIGGERCOUNT: 79 * When the event counter counts up p_value2, an interrupt for 80 * profile is generated. 0 is treated as 1. 81 */ 82 } tprof_param_t; 83 84 typedef struct tprof_counts { 85 uint32_t c_cpu; /* W */ 86 uint32_t c_ncounters; /* R */ 87 tprof_countermask_t c_runningmask; /* R */ 88 uint32_t c__unused; 89 uint64_t c_count[TPROF_MAXCOUNTERS]; /* R */ 90 } tprof_counts_t; 91 92 /* ti_ident */ 93 #define TPROF_IDENT_NONE 0x00 94 #define TPROF_IDENT_INTEL_GENERIC 0x01 95 #define TPROF_IDENT_AMD_GENERIC 0x02 96 #define TPROF_IDENT_ARMV8_GENERIC 0x03 97 #define TPROF_IDENT_ARMV7_GENERIC 0x04 98 99 #endif /* _DEV_TPROF_TPROF_TYPES_H_ */ 100