1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _LIBCPC_IMPL_H 28*0Sstevel@tonic-gate #define _LIBCPC_IMPL_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <libcpc.h> 33*0Sstevel@tonic-gate #include <inttypes.h> 34*0Sstevel@tonic-gate #include <thread.h> 35*0Sstevel@tonic-gate #include <synch.h> 36*0Sstevel@tonic-gate #include <sys/types.h> 37*0Sstevel@tonic-gate #include <sys/cpc_impl.h> 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #ifdef __cplusplus 40*0Sstevel@tonic-gate extern "C" { 41*0Sstevel@tonic-gate #endif 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #define CPC_VER_1 1 44*0Sstevel@tonic-gate #define CPC1_BUFSIZE (2 * sizeof (uint64_t)) 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate struct _cpc_attr { 47*0Sstevel@tonic-gate char ca_name[CPC_MAX_ATTR_LEN]; 48*0Sstevel@tonic-gate uint64_t ca_val; 49*0Sstevel@tonic-gate }; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate typedef struct __cpc_request cpc_request_t; 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate struct __cpc_request { 54*0Sstevel@tonic-gate char cr_event[CPC_MAX_EVENT_LEN]; 55*0Sstevel@tonic-gate uint64_t cr_preset; /* Initial value */ 56*0Sstevel@tonic-gate uint16_t cr_index; /* Index of request in data */ 57*0Sstevel@tonic-gate uint_t cr_flags; 58*0Sstevel@tonic-gate uint_t cr_nattrs; /* # CPU-specific attrs */ 59*0Sstevel@tonic-gate kcpc_attr_t *cr_attr; 60*0Sstevel@tonic-gate cpc_request_t *cr_next; /* next request in set */ 61*0Sstevel@tonic-gate }; 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate struct __cpc_buf { 64*0Sstevel@tonic-gate uint64_t *cb_data; /* Pointer to data store */ 65*0Sstevel@tonic-gate hrtime_t cb_hrtime; /* hrtime at last sample */ 66*0Sstevel@tonic-gate uint64_t cb_tick; /* virtualized tsc/tick */ 67*0Sstevel@tonic-gate size_t cb_size; /* Size of data store, bytes */ 68*0Sstevel@tonic-gate cpc_buf_t *cb_next; /* List of all bufs */ 69*0Sstevel@tonic-gate }; 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate /* 72*0Sstevel@tonic-gate * Possible cpc_set_t states: 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate typedef enum { 75*0Sstevel@tonic-gate CS_UNBOUND, /* Set is not currently bound */ 76*0Sstevel@tonic-gate CS_BOUND_CURLWP, /* Set has been bound to curlwp */ 77*0Sstevel@tonic-gate CS_BOUND_PCTX, /* Set has been bound via libpctx */ 78*0Sstevel@tonic-gate CS_BOUND_CPU /* Set has been bound to a CPU */ 79*0Sstevel@tonic-gate } __cpc_state_t; 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate struct __cpc_set { 82*0Sstevel@tonic-gate cpc_request_t *cs_request; /* linked list of requests */ 83*0Sstevel@tonic-gate __cpc_state_t cs_state; /* State of this set */ 84*0Sstevel@tonic-gate int cs_nreqs; /* Number of requests in set */ 85*0Sstevel@tonic-gate int cs_fd; /* file descriptor of cpc dev */ 86*0Sstevel@tonic-gate processorid_t cs_obind; /* previous proc binding */ 87*0Sstevel@tonic-gate pctx_t *cs_pctx; /* pctx of process bound to */ 88*0Sstevel@tonic-gate id_t cs_id; /* lwp ID of pctx binding */ 89*0Sstevel@tonic-gate thread_t cs_thr; /* thread ID which bound set */ 90*0Sstevel@tonic-gate cpc_set_t *cs_next; /* Linked list of all sets */ 91*0Sstevel@tonic-gate }; 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate struct __cpc { 94*0Sstevel@tonic-gate cpc_set_t *cpc_sets; /* List of existing sets */ 95*0Sstevel@tonic-gate cpc_buf_t *cpc_bufs; /* List of existing bufs */ 96*0Sstevel@tonic-gate cpc_errhndlr_t *cpc_errfn; /* Handles library errors */ 97*0Sstevel@tonic-gate mutex_t cpc_lock; /* Protect various ops */ 98*0Sstevel@tonic-gate char *cpc_attrlist; /* List of supported attrs */ 99*0Sstevel@tonic-gate char **cpc_evlist; /* List of events per pic */ 100*0Sstevel@tonic-gate char cpc_cpuref[CPC_MAX_CPUREF]; 101*0Sstevel@tonic-gate char cpc_cciname[CPC_MAX_IMPL_NAME]; 102*0Sstevel@tonic-gate uint_t cpc_caps; 103*0Sstevel@tonic-gate uint_t cpc_npic; 104*0Sstevel@tonic-gate }; 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate /* 107*0Sstevel@tonic-gate * cpc_t handle for CPCv1 clients. 108*0Sstevel@tonic-gate */ 109*0Sstevel@tonic-gate extern cpc_t *__cpc; 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate /*PRINTFLIKE2*/ 112*0Sstevel@tonic-gate extern void __cpc_error(const char *fn, const char *fmt, ...); 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate extern const char *__cpc_reg_to_name(int cpuver, int regno, uint8_t bits); 115*0Sstevel@tonic-gate extern int __cpc_name_to_reg(int cpuver, int regno, 116*0Sstevel@tonic-gate const char *name, uint8_t *bits); 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate extern uint_t __cpc_workver; 119*0Sstevel@tonic-gate extern int __cpc_v1_cpuver; 120*0Sstevel@tonic-gate #ifdef __sparc 121*0Sstevel@tonic-gate extern uint64_t __cpc_v1_pcr; 122*0Sstevel@tonic-gate #else 123*0Sstevel@tonic-gate extern uint32_t __cpc_v1_pes[2]; 124*0Sstevel@tonic-gate #endif /* __sparc */ 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate extern char *__cpc_pack_set(cpc_set_t *set, uint_t flags, size_t *buflen); 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate typedef struct __cpc_strhash cpc_strhash_t; 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate struct __cpc_strhash { 131*0Sstevel@tonic-gate char *str; 132*0Sstevel@tonic-gate struct __cpc_strhash *cur; 133*0Sstevel@tonic-gate struct __cpc_strhash *next; 134*0Sstevel@tonic-gate }; 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate extern cpc_strhash_t *__cpc_strhash_alloc(void); 137*0Sstevel@tonic-gate extern void __cpc_strhash_free(cpc_strhash_t *hash); 138*0Sstevel@tonic-gate extern int __cpc_strhash_add(cpc_strhash_t *hash, char *key); 139*0Sstevel@tonic-gate extern char *__cpc_strhash_next(cpc_strhash_t *hash); 140*0Sstevel@tonic-gate 141*0Sstevel@tonic-gate /* 142*0Sstevel@tonic-gate * Implementation-private system call used by libcpc 143*0Sstevel@tonic-gate */ 144*0Sstevel@tonic-gate struct __cpc; 145*0Sstevel@tonic-gate extern int __pctx_cpc(pctx_t *pctx, struct __cpc *cpc, int cmd, id_t lwpid, 146*0Sstevel@tonic-gate void *data1, void *data2, void *data3, int bufsize); 147*0Sstevel@tonic-gate 148*0Sstevel@tonic-gate #define CPUDRV "/devices/pseudo/cpc@0" 149*0Sstevel@tonic-gate #define CPUDRV_SHARED CPUDRV":shared" 150*0Sstevel@tonic-gate 151*0Sstevel@tonic-gate #if defined(__sparc) || defined(__i386) 152*0Sstevel@tonic-gate /* 153*0Sstevel@tonic-gate * These two are only used for backwards compatibility to the Obsolete CPCv1. 154*0Sstevel@tonic-gate */ 155*0Sstevel@tonic-gate extern int __cpc_init(void); 156*0Sstevel@tonic-gate extern cpc_set_t *__cpc_eventtoset(cpc_t *cpc, cpc_event_t *event, int flags); 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate /* 159*0Sstevel@tonic-gate * ce_cpuver values 160*0Sstevel@tonic-gate */ 161*0Sstevel@tonic-gate #define CPC_ULTRA1 1000 162*0Sstevel@tonic-gate #define CPC_ULTRA2 1001 /* same as ultra1 for these purposes */ 163*0Sstevel@tonic-gate #define CPC_ULTRA3 1002 164*0Sstevel@tonic-gate #define CPC_ULTRA3_PLUS 1003 165*0Sstevel@tonic-gate #define CPC_ULTRA3_I 1004 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate #define CPC_PENTIUM 2000 168*0Sstevel@tonic-gate #define CPC_PENTIUM_MMX 2001 169*0Sstevel@tonic-gate #define CPC_PENTIUM_PRO 2002 170*0Sstevel@tonic-gate #define CPC_PENTIUM_PRO_MMX 2003 171*0Sstevel@tonic-gate 172*0Sstevel@tonic-gate #define CPC_SPARC64_III 3000 173*0Sstevel@tonic-gate #define CPC_SPARC64_V 3002 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate #endif /* __sparc || __i386 */ 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate #if defined(__i386) || defined(__amd64) 178*0Sstevel@tonic-gate /* 179*0Sstevel@tonic-gate * This is common between i386 and amd64, because amd64 implements %tick. 180*0Sstevel@tonic-gate * Currently only used by the cpc tools to print the label atop the CPU ticks 181*0Sstevel@tonic-gate * column on amd64. 182*0Sstevel@tonic-gate */ 183*0Sstevel@tonic-gate #define CPC_TICKREG_NAME "tsc" 184*0Sstevel@tonic-gate #endif /* __i386 || __amd64 */ 185*0Sstevel@tonic-gate 186*0Sstevel@tonic-gate #if defined(__sparc) 187*0Sstevel@tonic-gate 188*0Sstevel@tonic-gate /* 189*0Sstevel@tonic-gate * UltraSPARC I, II and III processors 190*0Sstevel@tonic-gate * 191*0Sstevel@tonic-gate * The performance counters on these processors allow up to two 32-bit 192*0Sstevel@tonic-gate * performance events to be captured simultaneously from a selection 193*0Sstevel@tonic-gate * of metrics. The metrics are selected by writing to the performance 194*0Sstevel@tonic-gate * control register, and subsequent values collected by reading from the 195*0Sstevel@tonic-gate * performance instrumentation counter registers. Both registers are 196*0Sstevel@tonic-gate * priviliged by default, and implemented as ASRs. 197*0Sstevel@tonic-gate */ 198*0Sstevel@tonic-gate 199*0Sstevel@tonic-gate struct _cpc_event { 200*0Sstevel@tonic-gate int ce_cpuver; 201*0Sstevel@tonic-gate hrtime_t ce_hrt; /* gethrtime() */ 202*0Sstevel@tonic-gate uint64_t ce_tick; /* virtualized %tick */ 203*0Sstevel@tonic-gate uint64_t ce_pic[2]; /* virtualized %pic */ 204*0Sstevel@tonic-gate uint64_t ce_pcr; /* %pcr */ 205*0Sstevel@tonic-gate }; 206*0Sstevel@tonic-gate 207*0Sstevel@tonic-gate #define CPC_TICKREG(ev) ((ev)->ce_tick) 208*0Sstevel@tonic-gate #define CPC_TICKREG_NAME "%tick" 209*0Sstevel@tonic-gate 210*0Sstevel@tonic-gate /* 211*0Sstevel@tonic-gate * "Well known" bitfields in the UltraSPARC %pcr register 212*0Sstevel@tonic-gate * The interfaces in libcpc should make these #defines uninteresting. 213*0Sstevel@tonic-gate */ 214*0Sstevel@tonic-gate #define CPC_ULTRA_PCR_USR 2 215*0Sstevel@tonic-gate #define CPC_ULTRA_PCR_SYS 1 216*0Sstevel@tonic-gate #define CPC_ULTRA_PCR_PRIVPIC 0 217*0Sstevel@tonic-gate 218*0Sstevel@tonic-gate #define CPC_ULTRA_PCR_PIC0_SHIFT 4 219*0Sstevel@tonic-gate #define CPC_ULTRA2_PCR_PIC0_MASK UINT64_C(0xf) 220*0Sstevel@tonic-gate #define CPC_ULTRA3_PCR_PIC0_MASK UINT64_C(0x3f) 221*0Sstevel@tonic-gate #define CPC_ULTRA_PCR_PIC1_SHIFT 11 222*0Sstevel@tonic-gate #define CPC_ULTRA2_PCR_PIC1_MASK UINT64_C(0xf) 223*0Sstevel@tonic-gate #define CPC_ULTRA3_PCR_PIC1_MASK UINT64_C(0x3f) 224*0Sstevel@tonic-gate 225*0Sstevel@tonic-gate #elif defined(__i386) 226*0Sstevel@tonic-gate 227*0Sstevel@tonic-gate /* 228*0Sstevel@tonic-gate * Pentium I, II and III processors 229*0Sstevel@tonic-gate * 230*0Sstevel@tonic-gate * These CPUs allow pairs of events to captured. 231*0Sstevel@tonic-gate * The hardware counters count up to 40-bits of significance, but 232*0Sstevel@tonic-gate * only allow 32 (signed) bits to be programmed into them. 233*0Sstevel@tonic-gate * Pentium I and Pentium II processors are programmed differently, but 234*0Sstevel@tonic-gate * the resulting counters and timestamps can be handled portably. 235*0Sstevel@tonic-gate */ 236*0Sstevel@tonic-gate 237*0Sstevel@tonic-gate struct _cpc_event { 238*0Sstevel@tonic-gate int ce_cpuver; 239*0Sstevel@tonic-gate hrtime_t ce_hrt; /* gethrtime() */ 240*0Sstevel@tonic-gate uint64_t ce_tsc; /* virtualized rdtsc value */ 241*0Sstevel@tonic-gate uint64_t ce_pic[2]; /* virtualized PerfCtr[01] */ 242*0Sstevel@tonic-gate uint32_t ce_pes[2]; /* Pentium II */ 243*0Sstevel@tonic-gate #define ce_cesr ce_pes[0] /* Pentium I */ 244*0Sstevel@tonic-gate }; 245*0Sstevel@tonic-gate 246*0Sstevel@tonic-gate #define CPC_TICKREG(ev) ((ev)->ce_tsc) 247*0Sstevel@tonic-gate 248*0Sstevel@tonic-gate /* 249*0Sstevel@tonic-gate * "Well known" bit fields in the Pentium CES register 250*0Sstevel@tonic-gate * The interfaces in libcpc should make these #defines uninteresting. 251*0Sstevel@tonic-gate */ 252*0Sstevel@tonic-gate #define CPC_P5_CESR_ES0_SHIFT 0 253*0Sstevel@tonic-gate #define CPC_P5_CESR_ES0_MASK 0x3f 254*0Sstevel@tonic-gate #define CPC_P5_CESR_ES1_SHIFT 16 255*0Sstevel@tonic-gate #define CPC_P5_CESR_ES1_MASK 0x3f 256*0Sstevel@tonic-gate 257*0Sstevel@tonic-gate #define CPC_P5_CESR_OS0 6 258*0Sstevel@tonic-gate #define CPC_P5_CESR_USR0 7 259*0Sstevel@tonic-gate #define CPC_P5_CESR_CLK0 8 260*0Sstevel@tonic-gate #define CPC_P5_CESR_PC0 9 261*0Sstevel@tonic-gate #define CPC_P5_CESR_OS1 (CPC_P5_CESR_OS0 + 16) 262*0Sstevel@tonic-gate #define CPC_P5_CESR_USR1 (CPC_P5_CESR_USR0 + 16) 263*0Sstevel@tonic-gate #define CPC_P5_CESR_CLK1 (CPC_P5_CESR_CLK0 + 16) 264*0Sstevel@tonic-gate #define CPC_P5_CESR_PC1 (CPC_P5_CESR_PC0 + 16) 265*0Sstevel@tonic-gate 266*0Sstevel@tonic-gate /* 267*0Sstevel@tonic-gate * "Well known" bit fields in the Pentium Pro PerfEvtSel registers 268*0Sstevel@tonic-gate * The interfaces in libcpc should make these #defines uninteresting. 269*0Sstevel@tonic-gate */ 270*0Sstevel@tonic-gate #define CPC_P6_PES_INV 23 271*0Sstevel@tonic-gate #define CPC_P6_PES_EN 22 272*0Sstevel@tonic-gate #define CPC_P6_PES_INT 20 273*0Sstevel@tonic-gate #define CPC_P6_PES_PC 19 274*0Sstevel@tonic-gate #define CPC_P6_PES_E 18 275*0Sstevel@tonic-gate #define CPC_P6_PES_OS 17 276*0Sstevel@tonic-gate #define CPC_P6_PES_USR 16 277*0Sstevel@tonic-gate 278*0Sstevel@tonic-gate #define CPC_P6_PES_UMASK_SHIFT 8 279*0Sstevel@tonic-gate #define CPC_P6_PES_UMASK_MASK (0xffu) 280*0Sstevel@tonic-gate 281*0Sstevel@tonic-gate #define CPC_P6_PES_CMASK_SHIFT 24 282*0Sstevel@tonic-gate #define CPC_P6_PES_CMASK_MASK (0xffu) 283*0Sstevel@tonic-gate 284*0Sstevel@tonic-gate #define CPC_P6_PES_PIC0_MASK (0xffu) 285*0Sstevel@tonic-gate #define CPC_P6_PES_PIC1_MASK (0xffu) 286*0Sstevel@tonic-gate 287*0Sstevel@tonic-gate #endif /* __i386 */ 288*0Sstevel@tonic-gate 289*0Sstevel@tonic-gate #ifdef __cplusplus 290*0Sstevel@tonic-gate } 291*0Sstevel@tonic-gate #endif 292*0Sstevel@tonic-gate 293*0Sstevel@tonic-gate #endif /* _LIBCPC_IMPL_H */ 294