17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5346af85bScwb * Common Development and Distribution License (the "License"). 6346af85bScwb * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22843e1988Sjohnlev * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* 297c478bd9Sstevel@tonic-gate * Performance Counter Back-End for AMD Opteron and AMD Athlon 64 processors. 307c478bd9Sstevel@tonic-gate */ 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include <sys/cpuvar.h> 337c478bd9Sstevel@tonic-gate #include <sys/param.h> 347c478bd9Sstevel@tonic-gate #include <sys/systm.h> 357c478bd9Sstevel@tonic-gate #include <sys/cpc_pcbe.h> 367c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 377c478bd9Sstevel@tonic-gate #include <sys/sdt.h> 387c478bd9Sstevel@tonic-gate #include <sys/modctl.h> 397c478bd9Sstevel@tonic-gate #include <sys/errno.h> 407c478bd9Sstevel@tonic-gate #include <sys/debug.h> 417c478bd9Sstevel@tonic-gate #include <sys/archsystm.h> 427c478bd9Sstevel@tonic-gate #include <sys/x86_archext.h> 437c478bd9Sstevel@tonic-gate #include <sys/privregs.h> 445d3a5ad8Srab #include <sys/ddi.h> 455d3a5ad8Srab #include <sys/sunddi.h> 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate static int opt_pcbe_init(void); 487c478bd9Sstevel@tonic-gate static uint_t opt_pcbe_ncounters(void); 497c478bd9Sstevel@tonic-gate static const char *opt_pcbe_impl_name(void); 507c478bd9Sstevel@tonic-gate static const char *opt_pcbe_cpuref(void); 517c478bd9Sstevel@tonic-gate static char *opt_pcbe_list_events(uint_t picnum); 527c478bd9Sstevel@tonic-gate static char *opt_pcbe_list_attrs(void); 537c478bd9Sstevel@tonic-gate static uint64_t opt_pcbe_event_coverage(char *event); 547c478bd9Sstevel@tonic-gate static uint64_t opt_pcbe_overflow_bitmap(void); 557c478bd9Sstevel@tonic-gate static int opt_pcbe_configure(uint_t picnum, char *event, uint64_t preset, 567c478bd9Sstevel@tonic-gate uint32_t flags, uint_t nattrs, kcpc_attr_t *attrs, void **data, 577c478bd9Sstevel@tonic-gate void *token); 587c478bd9Sstevel@tonic-gate static void opt_pcbe_program(void *token); 597c478bd9Sstevel@tonic-gate static void opt_pcbe_allstop(void); 607c478bd9Sstevel@tonic-gate static void opt_pcbe_sample(void *token); 617c478bd9Sstevel@tonic-gate static void opt_pcbe_free(void *config); 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate static pcbe_ops_t opt_pcbe_ops = { 647c478bd9Sstevel@tonic-gate PCBE_VER_1, 657c478bd9Sstevel@tonic-gate CPC_CAP_OVERFLOW_INTERRUPT, 667c478bd9Sstevel@tonic-gate opt_pcbe_ncounters, 677c478bd9Sstevel@tonic-gate opt_pcbe_impl_name, 687c478bd9Sstevel@tonic-gate opt_pcbe_cpuref, 697c478bd9Sstevel@tonic-gate opt_pcbe_list_events, 707c478bd9Sstevel@tonic-gate opt_pcbe_list_attrs, 717c478bd9Sstevel@tonic-gate opt_pcbe_event_coverage, 727c478bd9Sstevel@tonic-gate opt_pcbe_overflow_bitmap, 737c478bd9Sstevel@tonic-gate opt_pcbe_configure, 747c478bd9Sstevel@tonic-gate opt_pcbe_program, 757c478bd9Sstevel@tonic-gate opt_pcbe_allstop, 767c478bd9Sstevel@tonic-gate opt_pcbe_sample, 777c478bd9Sstevel@tonic-gate opt_pcbe_free 787c478bd9Sstevel@tonic-gate }; 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate /* 817c478bd9Sstevel@tonic-gate * Define offsets and masks for the fields in the Performance 827c478bd9Sstevel@tonic-gate * Event-Select (PES) registers. 837c478bd9Sstevel@tonic-gate */ 84*31725658Sksadhukh #define OPT_PES_HOST_SHIFT 41 85*31725658Sksadhukh #define OPT_PES_GUEST_SHIFT 40 867c478bd9Sstevel@tonic-gate #define OPT_PES_CMASK_SHIFT 24 877c478bd9Sstevel@tonic-gate #define OPT_PES_CMASK_MASK 0xFF 887c478bd9Sstevel@tonic-gate #define OPT_PES_INV_SHIFT 23 897c478bd9Sstevel@tonic-gate #define OPT_PES_ENABLE_SHIFT 22 907c478bd9Sstevel@tonic-gate #define OPT_PES_INT_SHIFT 20 917c478bd9Sstevel@tonic-gate #define OPT_PES_PC_SHIFT 19 927c478bd9Sstevel@tonic-gate #define OPT_PES_EDGE_SHIFT 18 937c478bd9Sstevel@tonic-gate #define OPT_PES_OS_SHIFT 17 947c478bd9Sstevel@tonic-gate #define OPT_PES_USR_SHIFT 16 957c478bd9Sstevel@tonic-gate #define OPT_PES_UMASK_SHIFT 8 967c478bd9Sstevel@tonic-gate #define OPT_PES_UMASK_MASK 0xFF 977c478bd9Sstevel@tonic-gate 98*31725658Sksadhukh #define OPT_PES_INV (1ULL << OPT_PES_INV_SHIFT) 99*31725658Sksadhukh #define OPT_PES_ENABLE (1ULL << OPT_PES_ENABLE_SHIFT) 100*31725658Sksadhukh #define OPT_PES_INT (1ULL << OPT_PES_INT_SHIFT) 101*31725658Sksadhukh #define OPT_PES_PC (1ULL << OPT_PES_PC_SHIFT) 102*31725658Sksadhukh #define OPT_PES_EDGE (1ULL << OPT_PES_EDGE_SHIFT) 103*31725658Sksadhukh #define OPT_PES_OS (1ULL << OPT_PES_OS_SHIFT) 104*31725658Sksadhukh #define OPT_PES_USR (1ULL << OPT_PES_USR_SHIFT) 105*31725658Sksadhukh #define OPT_PES_HOST (1ULL << OPT_PES_HOST_SHIFT) 106*31725658Sksadhukh #define OPT_PES_GUEST (1ULL << OPT_PES_GUEST_SHIFT) 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate typedef struct _opt_pcbe_config { 1097c478bd9Sstevel@tonic-gate uint8_t opt_picno; /* Counter number: 0, 1, 2, or 3 */ 1107c478bd9Sstevel@tonic-gate uint64_t opt_evsel; /* Event Selection register */ 1117c478bd9Sstevel@tonic-gate uint64_t opt_rawpic; /* Raw counter value */ 1127c478bd9Sstevel@tonic-gate } opt_pcbe_config_t; 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate opt_pcbe_config_t nullcfgs[4] = { 1157c478bd9Sstevel@tonic-gate { 0, 0, 0 }, 1167c478bd9Sstevel@tonic-gate { 1, 0, 0 }, 1177c478bd9Sstevel@tonic-gate { 2, 0, 0 }, 1187c478bd9Sstevel@tonic-gate { 3, 0, 0 } 1197c478bd9Sstevel@tonic-gate }; 1207c478bd9Sstevel@tonic-gate 121*31725658Sksadhukh typedef struct _amd_event { 1227c478bd9Sstevel@tonic-gate char *name; 123*31725658Sksadhukh uint16_t emask; /* Event mask setting */ 1247c478bd9Sstevel@tonic-gate uint8_t umask_valid; /* Mask of unreserved UNIT_MASK bits */ 125*31725658Sksadhukh } amd_event_t; 1267c478bd9Sstevel@tonic-gate 1277c478bd9Sstevel@tonic-gate /* 1287c478bd9Sstevel@tonic-gate * Base MSR addresses for the PerfEvtSel registers and the counters themselves. 1297c478bd9Sstevel@tonic-gate * Add counter number to base address to get corresponding MSR address. 1307c478bd9Sstevel@tonic-gate */ 1317c478bd9Sstevel@tonic-gate #define PES_BASE_ADDR 0xC0010000 1327c478bd9Sstevel@tonic-gate #define PIC_BASE_ADDR 0xC0010004 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate #define MASK48 0xFFFFFFFFFFFF 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate #define EV_END {NULL, 0, 0} 1377c478bd9Sstevel@tonic-gate 138*31725658Sksadhukh #define AMD_cmn_events \ 139*31725658Sksadhukh { "FP_dispatched_fpu_ops", 0x0, 0x3F }, \ 140fb47e43fSjhaslam { "FP_cycles_no_fpu_ops_retired", 0x1, 0x0 }, \ 141fb47e43fSjhaslam { "FP_dispatched_fpu_ops_ff", 0x2, 0x0 }, \ 142fb47e43fSjhaslam { "LS_seg_reg_load", 0x20, 0x7F }, \ 143fb47e43fSjhaslam { "LS_uarch_resync_self_modify", 0x21, 0x0 }, \ 144fb47e43fSjhaslam { "LS_uarch_resync_snoop", 0x22, 0x0 }, \ 145fb47e43fSjhaslam { "LS_buffer_2_full", 0x23, 0x0 }, \ 146fb47e43fSjhaslam { "LS_retired_cflush", 0x26, 0x0 }, \ 147fb47e43fSjhaslam { "LS_retired_cpuid", 0x27, 0x0 }, \ 148fb47e43fSjhaslam { "DC_access", 0x40, 0x0 }, \ 149fb47e43fSjhaslam { "DC_miss", 0x41, 0x0 }, \ 150fb47e43fSjhaslam { "DC_refill_from_L2", 0x42, 0x1F }, \ 151fb47e43fSjhaslam { "DC_refill_from_system", 0x43, 0x1F }, \ 152fb47e43fSjhaslam { "DC_misaligned_data_ref", 0x47, 0x0 }, \ 153fb47e43fSjhaslam { "DC_uarch_late_cancel_access", 0x48, 0x0 }, \ 154fb47e43fSjhaslam { "DC_uarch_early_cancel_access", 0x49, 0x0 }, \ 155fb47e43fSjhaslam { "DC_dispatched_prefetch_instr", 0x4B, 0x7 }, \ 156fb47e43fSjhaslam { "DC_dcache_accesses_by_locks", 0x4C, 0x2 }, \ 157fb47e43fSjhaslam { "BU_memory_requests", 0x65, 0x83}, \ 158fb47e43fSjhaslam { "BU_data_prefetch", 0x67, 0x3 }, \ 159fb47e43fSjhaslam { "BU_cpu_clk_unhalted", 0x76, 0x0 }, \ 160fb47e43fSjhaslam { "IC_fetch", 0x80, 0x0 }, \ 161fb47e43fSjhaslam { "IC_miss", 0x81, 0x0 }, \ 162fb47e43fSjhaslam { "IC_refill_from_L2", 0x82, 0x0 }, \ 163fb47e43fSjhaslam { "IC_refill_from_system", 0x83, 0x0 }, \ 164fb47e43fSjhaslam { "IC_itlb_L1_miss_L2_hit", 0x84, 0x0 }, \ 165fb47e43fSjhaslam { "IC_uarch_resync_snoop", 0x86, 0x0 }, \ 166fb47e43fSjhaslam { "IC_instr_fetch_stall", 0x87, 0x0 }, \ 167fb47e43fSjhaslam { "IC_return_stack_hit", 0x88, 0x0 }, \ 168fb47e43fSjhaslam { "IC_return_stack_overflow", 0x89, 0x0 }, \ 169fb47e43fSjhaslam { "FR_retired_x86_instr_w_excp_intr", 0xC0, 0x0 }, \ 170fb47e43fSjhaslam { "FR_retired_uops", 0xC1, 0x0 }, \ 171fb47e43fSjhaslam { "FR_retired_branches_w_excp_intr", 0xC2, 0x0 }, \ 172fb47e43fSjhaslam { "FR_retired_branches_mispred", 0xC3, 0x0 }, \ 173fb47e43fSjhaslam { "FR_retired_taken_branches", 0xC4, 0x0 }, \ 174fb47e43fSjhaslam { "FR_retired_taken_branches_mispred", 0xC5, 0x0 }, \ 175fb47e43fSjhaslam { "FR_retired_far_ctl_transfer", 0xC6, 0x0 }, \ 176fb47e43fSjhaslam { "FR_retired_resyncs", 0xC7, 0x0 }, \ 177fb47e43fSjhaslam { "FR_retired_near_rets", 0xC8, 0x0 }, \ 178fb47e43fSjhaslam { "FR_retired_near_rets_mispred", 0xC9, 0x0 }, \ 179fb47e43fSjhaslam { "FR_retired_taken_branches_mispred_addr_miscop", 0xCA, 0x0 },\ 180fb47e43fSjhaslam { "FR_retired_fastpath_double_op_instr", 0xCC, 0x7 }, \ 181fb47e43fSjhaslam { "FR_intr_masked_cycles", 0xCD, 0x0 }, \ 182fb47e43fSjhaslam { "FR_intr_masked_while_pending_cycles", 0xCE, 0x0 }, \ 183fb47e43fSjhaslam { "FR_taken_hardware_intrs", 0xCF, 0x0 }, \ 184fb47e43fSjhaslam { "FR_nothing_to_dispatch", 0xD0, 0x0 }, \ 185fb47e43fSjhaslam { "FR_dispatch_stalls", 0xD1, 0x0 }, \ 186fb47e43fSjhaslam { "FR_dispatch_stall_branch_abort_to_retire", 0xD2, 0x0 }, \ 187fb47e43fSjhaslam { "FR_dispatch_stall_serialization", 0xD3, 0x0 }, \ 188fb47e43fSjhaslam { "FR_dispatch_stall_segment_load", 0xD4, 0x0 }, \ 189fb47e43fSjhaslam { "FR_dispatch_stall_reorder_buffer_full", 0xD5, 0x0 }, \ 190fb47e43fSjhaslam { "FR_dispatch_stall_resv_stations_full", 0xD6, 0x0 }, \ 191fb47e43fSjhaslam { "FR_dispatch_stall_fpu_full", 0xD7, 0x0 }, \ 192fb47e43fSjhaslam { "FR_dispatch_stall_ls_full", 0xD8, 0x0 }, \ 193fb47e43fSjhaslam { "FR_dispatch_stall_waiting_all_quiet", 0xD9, 0x0 }, \ 194fb47e43fSjhaslam { "FR_dispatch_stall_far_ctl_trsfr_resync_branc_pend", 0xDA, 0x0 },\ 195fb47e43fSjhaslam { "FR_fpu_exception", 0xDB, 0xF }, \ 196fb47e43fSjhaslam { "FR_num_brkpts_dr0", 0xDC, 0x0 }, \ 197fb47e43fSjhaslam { "FR_num_brkpts_dr1", 0xDD, 0x0 }, \ 198fb47e43fSjhaslam { "FR_num_brkpts_dr2", 0xDE, 0x0 }, \ 199fb47e43fSjhaslam { "FR_num_brkpts_dr3", 0xDF, 0x0 }, \ 200*31725658Sksadhukh { "NB_mem_ctrlr_bypass_counter_saturation", 0xE4, 0xF } 201*31725658Sksadhukh 202*31725658Sksadhukh #define OPT_events \ 203*31725658Sksadhukh { "LS_locked_operation", 0x24, 0x7 }, \ 204*31725658Sksadhukh { "DC_copyback", 0x44, 0x1F }, \ 205*31725658Sksadhukh { "DC_dtlb_L1_miss_L2_hit", 0x45, 0x0 }, \ 206*31725658Sksadhukh { "DC_dtlb_L1_miss_L2_miss", 0x46, 0x0 }, \ 207*31725658Sksadhukh { "DC_1bit_ecc_error_found", 0x4A, 0x3 }, \ 208*31725658Sksadhukh { "BU_system_read_responses", 0x6C, 0x7 }, \ 209*31725658Sksadhukh { "BU_quadwords_written_to_system", 0x6D, 0x1 }, \ 210*31725658Sksadhukh { "BU_internal_L2_req", 0x7D, 0x1F }, \ 211*31725658Sksadhukh { "BU_fill_req_missed_L2", 0x7E, 0x7 }, \ 212*31725658Sksadhukh { "BU_fill_into_L2", 0x7F, 0x1 }, \ 213*31725658Sksadhukh { "IC_itlb_L1_miss_L2_miss", 0x85, 0x0 }, \ 214*31725658Sksadhukh { "FR_retired_fpu_instr", 0xCB, 0xF }, \ 215fb47e43fSjhaslam { "NB_mem_ctrlr_page_access", 0xE0, 0x7 }, \ 216fb47e43fSjhaslam { "NB_mem_ctrlr_page_table_overflow", 0xE1, 0x0 }, \ 217fb47e43fSjhaslam { "NB_mem_ctrlr_turnaround", 0xE3, 0x7 }, \ 218fb47e43fSjhaslam { "NB_ECC_errors", 0xE8, 0x80}, \ 219fb47e43fSjhaslam { "NB_sized_commands", 0xEB, 0x7F }, \ 220fb47e43fSjhaslam { "NB_probe_result", 0xEC, 0x7F}, \ 221fb47e43fSjhaslam { "NB_gart_events", 0xEE, 0x7 }, \ 222fb47e43fSjhaslam { "NB_ht_bus0_bandwidth", 0xF6, 0xF }, \ 223fb47e43fSjhaslam { "NB_ht_bus1_bandwidth", 0xF7, 0xF }, \ 224fb47e43fSjhaslam { "NB_ht_bus2_bandwidth", 0xF8, 0xF } 225fb47e43fSjhaslam 226fb47e43fSjhaslam #define OPT_RevD_events \ 227fb47e43fSjhaslam { "NB_sized_blocks", 0xE5, 0x3C } 228fb47e43fSjhaslam 229fb47e43fSjhaslam #define OPT_RevE_events \ 230fb47e43fSjhaslam { "NB_cpu_io_to_mem_io", 0xE9, 0xFF}, \ 231fb47e43fSjhaslam { "NB_cache_block_commands", 0xEA, 0x3D} 232fb47e43fSjhaslam 233*31725658Sksadhukh #define AMD_FAMILY_10h_cmn_events \ 234*31725658Sksadhukh { "FP_retired_sse_ops", 0x3, 0x7F}, \ 235*31725658Sksadhukh { "FP_retired_move_ops", 0x4, 0xF}, \ 236*31725658Sksadhukh { "FP_retired_serialize_ops", 0x5, 0xF}, \ 237*31725658Sksadhukh { "FP_serialize_ops_cycles", 0x6, 0x3}, \ 238*31725658Sksadhukh { "DC_copyback", 0x44, 0x7F }, \ 239*31725658Sksadhukh { "DC_dtlb_L1_miss_L2_hit", 0x45, 0x3 }, \ 240*31725658Sksadhukh { "DC_dtlb_L1_miss_L2_miss", 0x46, 0x7 }, \ 241*31725658Sksadhukh { "DC_1bit_ecc_error_found", 0x4A, 0xF }, \ 242*31725658Sksadhukh { "DC_dtlb_L1_hit", 0x4D, 0x7 }, \ 243*31725658Sksadhukh { "BU_system_read_responses", 0x6C, 0x17 }, \ 244*31725658Sksadhukh { "BU_octwords_written_to_system", 0x6D, 0x1 }, \ 245*31725658Sksadhukh { "BU_internal_L2_req", 0x7D, 0x3F }, \ 246*31725658Sksadhukh { "BU_fill_req_missed_L2", 0x7E, 0xF }, \ 247*31725658Sksadhukh { "BU_fill_into_L2", 0x7F, 0x3 }, \ 248*31725658Sksadhukh { "IC_itlb_L1_miss_L2_miss", 0x85, 0x3 }, \ 249*31725658Sksadhukh { "IC_eviction", 0x8B, 0x0 }, \ 250*31725658Sksadhukh { "IC_cache_lines_invalidate", 0x8C, 0xF }, \ 251*31725658Sksadhukh { "IC_itlb_reload", 0x99, 0x0 }, \ 252*31725658Sksadhukh { "IC_itlb_reload_aborted", 0x9A, 0x0 }, \ 253*31725658Sksadhukh { "FR_retired_mmx_sse_fp_instr", 0xCB, 0x7 }, \ 254*31725658Sksadhukh { "NB_mem_ctrlr_page_access", 0xE0, 0xFF }, \ 255*31725658Sksadhukh { "NB_mem_ctrlr_page_table_overflow", 0xE1, 0x3 }, \ 256*31725658Sksadhukh { "NB_mem_ctrlr_turnaround", 0xE3, 0x3F }, \ 257*31725658Sksadhukh { "NB_thermal_status", 0xE8, 0x7C}, \ 258*31725658Sksadhukh { "NB_sized_commands", 0xEB, 0x3F }, \ 259*31725658Sksadhukh { "NB_probe_results_upstream_req", 0xEC, 0xFF}, \ 260*31725658Sksadhukh { "NB_gart_events", 0xEE, 0xFF }, \ 261*31725658Sksadhukh { "NB_ht_bus0_bandwidth", 0xF6, 0xBF }, \ 262*31725658Sksadhukh { "NB_ht_bus1_bandwidth", 0xF7, 0xBF }, \ 263*31725658Sksadhukh { "NB_ht_bus2_bandwidth", 0xF8, 0xBF }, \ 264*31725658Sksadhukh { "NB_ht_bus3_bandwidth", 0x1F9, 0xBF }, \ 265*31725658Sksadhukh { "LS_locked_operation", 0x24, 0xF }, \ 266*31725658Sksadhukh { "LS_cancelled_store_to_load_fwd_ops", 0x2A, 0x7 }, \ 267*31725658Sksadhukh { "LS_smi_received", 0x2B, 0x0 }, \ 268*31725658Sksadhukh { "LS_ineffective_prefetch", 0x52, 0x9 }, \ 269*31725658Sksadhukh { "LS_global_tlb_flush", 0x54, 0x0 }, \ 270*31725658Sksadhukh { "NB_mem_ctrlr_dram_cmd_slots_missed", 0xE2, 0x3 }, \ 271*31725658Sksadhukh { "NB_mem_ctrlr_req", 0x1F0, 0xFF }, \ 272*31725658Sksadhukh { "CB_cpu_to_dram_req_to_target", 0x1E0, 0xFF }, \ 273*31725658Sksadhukh { "CB_io_to_dram_req_to_target", 0x1E1, 0xFF }, \ 274*31725658Sksadhukh { "CB_cpu_read_cmd_latency_to_target_0_to_3", 0x1E2, 0xFF }, \ 275*31725658Sksadhukh { "CB_cpu_read_cmd_req_to_target_0_to_3", 0x1E3, 0xFF }, \ 276*31725658Sksadhukh { "CB_cpu_read_cmd_latency_to_target_4_to_7", 0x1E4, 0xFF }, \ 277*31725658Sksadhukh { "CB_cpu_read_cmd_req_to_target_4_to_7", 0x1E5, 0xFF }, \ 278*31725658Sksadhukh { "CB_cpu_cmd_latency_to_target_0_to_7", 0x1E6, 0xFF }, \ 279*31725658Sksadhukh { "CB_cpu_req_to_target_0_to_7", 0x1E7, 0xFF }, \ 280*31725658Sksadhukh { "L3_read_req", 0x4E0, 0xF7 }, \ 281*31725658Sksadhukh { "L3_miss", 0x4E1, 0xF7 }, \ 282*31725658Sksadhukh { "L3_l2_eviction_l3_fill", 0x4E2, 0xFF }, \ 283*31725658Sksadhukh { "L3_eviction", 0x4E3, 0xF } 284*31725658Sksadhukh 285*31725658Sksadhukh static amd_event_t opt_events[] = { 286*31725658Sksadhukh AMD_cmn_events, 287*31725658Sksadhukh OPT_events, 288fb47e43fSjhaslam EV_END 289fb47e43fSjhaslam }; 290fb47e43fSjhaslam 291*31725658Sksadhukh static amd_event_t opt_events_rev_D[] = { 292*31725658Sksadhukh AMD_cmn_events, 293*31725658Sksadhukh OPT_events, 294fb47e43fSjhaslam OPT_RevD_events, 295fb47e43fSjhaslam EV_END 296fb47e43fSjhaslam }; 297fb47e43fSjhaslam 298*31725658Sksadhukh static amd_event_t opt_events_rev_E[] = { 299*31725658Sksadhukh AMD_cmn_events, 300*31725658Sksadhukh OPT_events, 301fb47e43fSjhaslam OPT_RevD_events, 302fb47e43fSjhaslam OPT_RevE_events, 3037c478bd9Sstevel@tonic-gate EV_END 3047c478bd9Sstevel@tonic-gate }; 3057c478bd9Sstevel@tonic-gate 306*31725658Sksadhukh static amd_event_t family_10h_events[] = { 307*31725658Sksadhukh AMD_cmn_events, 308*31725658Sksadhukh OPT_RevE_events, 309*31725658Sksadhukh AMD_FAMILY_10h_cmn_events, 310*31725658Sksadhukh EV_END 311*31725658Sksadhukh }; 312*31725658Sksadhukh 3137c478bd9Sstevel@tonic-gate static char *evlist; 3147c478bd9Sstevel@tonic-gate static size_t evlist_sz; 315*31725658Sksadhukh static amd_event_t *amd_events = NULL; 316*31725658Sksadhukh static uint_t amd_family; 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate #define BITS(v, u, l) \ 3197c478bd9Sstevel@tonic-gate (((v) >> (l)) & ((1 << (1 + (u) - (l))) - 1)) 3207c478bd9Sstevel@tonic-gate 321*31725658Sksadhukh #define OPTERON_FAMILY 0xf 322*31725658Sksadhukh #define AMD_FAMILY_10H 0x10 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate static int 3257c478bd9Sstevel@tonic-gate opt_pcbe_init(void) 3267c478bd9Sstevel@tonic-gate { 327*31725658Sksadhukh amd_event_t *evp; 328fb47e43fSjhaslam uint32_t rev; 3297c478bd9Sstevel@tonic-gate 330*31725658Sksadhukh amd_family = cpuid_getfamily(CPU); 331*31725658Sksadhukh 3327c478bd9Sstevel@tonic-gate /* 3337c478bd9Sstevel@tonic-gate * Make sure this really _is_ an Opteron or Athlon 64 system. The kernel 3347c478bd9Sstevel@tonic-gate * loads this module based on its name in the module directory, but it 3357c478bd9Sstevel@tonic-gate * could have been renamed. 3367c478bd9Sstevel@tonic-gate */ 3377c478bd9Sstevel@tonic-gate if (cpuid_getvendor(CPU) != X86_VENDOR_AMD || 338*31725658Sksadhukh (amd_family != OPTERON_FAMILY && amd_family != AMD_FAMILY_10H)) 3397c478bd9Sstevel@tonic-gate return (-1); 3407c478bd9Sstevel@tonic-gate 341fb47e43fSjhaslam /* 342fb47e43fSjhaslam * Figure out processor revision here and assign appropriate 343fb47e43fSjhaslam * event configuration. 344fb47e43fSjhaslam */ 345fb47e43fSjhaslam 346fb47e43fSjhaslam rev = cpuid_getchiprev(CPU); 347fb47e43fSjhaslam 348*31725658Sksadhukh if (amd_family == OPTERON_FAMILY) { 349*31725658Sksadhukh if (!X86_CHIPREV_ATLEAST(rev, X86_CHIPREV_AMD_F_REV_D)) { 350*31725658Sksadhukh amd_events = opt_events; 351*31725658Sksadhukh } else if X86_CHIPREV_MATCH(rev, X86_CHIPREV_AMD_F_REV_D) { 352*31725658Sksadhukh amd_events = opt_events_rev_D; 353*31725658Sksadhukh } else if (X86_CHIPREV_MATCH(rev, X86_CHIPREV_AMD_F_REV_E) || 354*31725658Sksadhukh X86_CHIPREV_MATCH(rev, X86_CHIPREV_AMD_F_REV_F) || 355*31725658Sksadhukh X86_CHIPREV_MATCH(rev, X86_CHIPREV_AMD_F_REV_G)) { 356*31725658Sksadhukh amd_events = opt_events_rev_E; 357*31725658Sksadhukh } else { 358*31725658Sksadhukh amd_events = opt_events; 359*31725658Sksadhukh } 360*31725658Sksadhukh } else { 361*31725658Sksadhukh amd_events = family_10h_events; 362*31725658Sksadhukh } 363fb47e43fSjhaslam 3647c478bd9Sstevel@tonic-gate /* 3657c478bd9Sstevel@tonic-gate * Construct event list. 3667c478bd9Sstevel@tonic-gate * 3677c478bd9Sstevel@tonic-gate * First pass: Calculate size needed. We'll need an additional byte 3687c478bd9Sstevel@tonic-gate * for the NULL pointer during the last strcat. 3697c478bd9Sstevel@tonic-gate * 3707c478bd9Sstevel@tonic-gate * Second pass: Copy strings. 3717c478bd9Sstevel@tonic-gate */ 372*31725658Sksadhukh for (evp = amd_events; evp->name != NULL; evp++) 3737c478bd9Sstevel@tonic-gate evlist_sz += strlen(evp->name) + 1; 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate evlist = kmem_alloc(evlist_sz + 1, KM_SLEEP); 3767c478bd9Sstevel@tonic-gate evlist[0] = '\0'; 3777c478bd9Sstevel@tonic-gate 378*31725658Sksadhukh for (evp = amd_events; evp->name != NULL; evp++) { 3797c478bd9Sstevel@tonic-gate (void) strcat(evlist, evp->name); 3807c478bd9Sstevel@tonic-gate (void) strcat(evlist, ","); 3817c478bd9Sstevel@tonic-gate } 3827c478bd9Sstevel@tonic-gate /* 3837c478bd9Sstevel@tonic-gate * Remove trailing comma. 3847c478bd9Sstevel@tonic-gate */ 3857c478bd9Sstevel@tonic-gate evlist[evlist_sz - 1] = '\0'; 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate return (0); 3887c478bd9Sstevel@tonic-gate } 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate static uint_t 3917c478bd9Sstevel@tonic-gate opt_pcbe_ncounters(void) 3927c478bd9Sstevel@tonic-gate { 3937c478bd9Sstevel@tonic-gate return (4); 3947c478bd9Sstevel@tonic-gate } 3957c478bd9Sstevel@tonic-gate 3967c478bd9Sstevel@tonic-gate static const char * 3977c478bd9Sstevel@tonic-gate opt_pcbe_impl_name(void) 3987c478bd9Sstevel@tonic-gate { 399*31725658Sksadhukh if (amd_family == OPTERON_FAMILY) { 400*31725658Sksadhukh return ("AMD Opteron & Athlon64"); 401*31725658Sksadhukh } else if (amd_family == AMD_FAMILY_10H) { 402*31725658Sksadhukh return ("AMD Family 10h"); 403*31725658Sksadhukh } else { 404*31725658Sksadhukh return ("Unknown AMD processor"); 405*31725658Sksadhukh } 4067c478bd9Sstevel@tonic-gate } 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate static const char * 4097c478bd9Sstevel@tonic-gate opt_pcbe_cpuref(void) 4107c478bd9Sstevel@tonic-gate { 411*31725658Sksadhukh if (amd_family == OPTERON_FAMILY) { 412*31725658Sksadhukh return ("See Chapter 10 of the \"BIOS and Kernel Developer's" 413*31725658Sksadhukh " Guide for the AMD Athlon 64 and AMD Opteron Processors,\" " 414*31725658Sksadhukh "AMD publication #26094"); 415*31725658Sksadhukh } else if (amd_family == AMD_FAMILY_10H) { 416*31725658Sksadhukh return ("See section 3.15 of the \"BIOS and Kernel " 417*31725658Sksadhukh "Developer's Guide (BKDG) For AMD Family 10h Processors,\" " 418*31725658Sksadhukh "AMD publication #31116"); 419*31725658Sksadhukh } else { 420*31725658Sksadhukh return ("Unknown AMD processor"); 421*31725658Sksadhukh } 4227c478bd9Sstevel@tonic-gate } 4237c478bd9Sstevel@tonic-gate 4247c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 4257c478bd9Sstevel@tonic-gate static char * 4267c478bd9Sstevel@tonic-gate opt_pcbe_list_events(uint_t picnum) 4277c478bd9Sstevel@tonic-gate { 4287c478bd9Sstevel@tonic-gate return (evlist); 4297c478bd9Sstevel@tonic-gate } 4307c478bd9Sstevel@tonic-gate 4317c478bd9Sstevel@tonic-gate static char * 4327c478bd9Sstevel@tonic-gate opt_pcbe_list_attrs(void) 4337c478bd9Sstevel@tonic-gate { 4347c478bd9Sstevel@tonic-gate return ("edge,pc,inv,cmask,umask"); 4357c478bd9Sstevel@tonic-gate } 4367c478bd9Sstevel@tonic-gate 4377c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 4387c478bd9Sstevel@tonic-gate static uint64_t 4397c478bd9Sstevel@tonic-gate opt_pcbe_event_coverage(char *event) 4407c478bd9Sstevel@tonic-gate { 4417c478bd9Sstevel@tonic-gate /* 4427c478bd9Sstevel@tonic-gate * Fortunately, all counters can count all events. 4437c478bd9Sstevel@tonic-gate */ 4447c478bd9Sstevel@tonic-gate return (0xF); 4457c478bd9Sstevel@tonic-gate } 4467c478bd9Sstevel@tonic-gate 4477c478bd9Sstevel@tonic-gate static uint64_t 4487c478bd9Sstevel@tonic-gate opt_pcbe_overflow_bitmap(void) 4497c478bd9Sstevel@tonic-gate { 4507c478bd9Sstevel@tonic-gate /* 4517c478bd9Sstevel@tonic-gate * Unfortunately, this chip cannot detect which counter overflowed, so 4527c478bd9Sstevel@tonic-gate * we must act as if they all did. 4537c478bd9Sstevel@tonic-gate */ 4547c478bd9Sstevel@tonic-gate return (0xF); 4557c478bd9Sstevel@tonic-gate } 4567c478bd9Sstevel@tonic-gate 457*31725658Sksadhukh static amd_event_t * 4587c478bd9Sstevel@tonic-gate find_event(char *name) 4597c478bd9Sstevel@tonic-gate { 460*31725658Sksadhukh amd_event_t *evp; 4617c478bd9Sstevel@tonic-gate 462*31725658Sksadhukh for (evp = amd_events; evp->name != NULL; evp++) 4637c478bd9Sstevel@tonic-gate if (strcmp(name, evp->name) == 0) 4647c478bd9Sstevel@tonic-gate return (evp); 4657c478bd9Sstevel@tonic-gate 4667c478bd9Sstevel@tonic-gate return (NULL); 4677c478bd9Sstevel@tonic-gate } 4687c478bd9Sstevel@tonic-gate 4697c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 4707c478bd9Sstevel@tonic-gate static int 4717c478bd9Sstevel@tonic-gate opt_pcbe_configure(uint_t picnum, char *event, uint64_t preset, uint32_t flags, 4727c478bd9Sstevel@tonic-gate uint_t nattrs, kcpc_attr_t *attrs, void **data, void *token) 4737c478bd9Sstevel@tonic-gate { 4747c478bd9Sstevel@tonic-gate opt_pcbe_config_t *cfg; 475*31725658Sksadhukh amd_event_t *evp; 476*31725658Sksadhukh amd_event_t ev_raw = { "raw", 0, 0xFF }; 4777c478bd9Sstevel@tonic-gate int i; 478*31725658Sksadhukh uint64_t evsel = 0, evsel_tmp = 0; 4797c478bd9Sstevel@tonic-gate 4807c478bd9Sstevel@tonic-gate /* 4817c478bd9Sstevel@tonic-gate * If we've been handed an existing configuration, we need only preset 4827c478bd9Sstevel@tonic-gate * the counter value. 4837c478bd9Sstevel@tonic-gate */ 4847c478bd9Sstevel@tonic-gate if (*data != NULL) { 4857c478bd9Sstevel@tonic-gate cfg = *data; 4867c478bd9Sstevel@tonic-gate cfg->opt_rawpic = preset & MASK48; 4877c478bd9Sstevel@tonic-gate return (0); 4887c478bd9Sstevel@tonic-gate } 4897c478bd9Sstevel@tonic-gate 4907c478bd9Sstevel@tonic-gate if (picnum >= 4) 4917c478bd9Sstevel@tonic-gate return (CPC_INVALID_PICNUM); 4927c478bd9Sstevel@tonic-gate 4935d3a5ad8Srab if ((evp = find_event(event)) == NULL) { 4945d3a5ad8Srab long tmp; 4955d3a5ad8Srab 4965d3a5ad8Srab /* 4975d3a5ad8Srab * If ddi_strtol() likes this event, use it as a raw event code. 4985d3a5ad8Srab */ 4995d3a5ad8Srab if (ddi_strtol(event, NULL, 0, &tmp) != 0) 5005d3a5ad8Srab return (CPC_INVALID_EVENT); 5015d3a5ad8Srab 5025d3a5ad8Srab ev_raw.emask = tmp; 5035d3a5ad8Srab evp = &ev_raw; 5045d3a5ad8Srab } 5057c478bd9Sstevel@tonic-gate 506*31725658Sksadhukh /* 507*31725658Sksadhukh * Configuration of EventSelect register for family 10h processors. 508*31725658Sksadhukh */ 509*31725658Sksadhukh if (amd_family == AMD_FAMILY_10H) { 510*31725658Sksadhukh 511*31725658Sksadhukh /* Set GuestOnly bit to 0 and HostOnly bit to 1 */ 512*31725658Sksadhukh evsel &= ~OPT_PES_HOST; 513*31725658Sksadhukh evsel &= ~OPT_PES_GUEST; 514*31725658Sksadhukh 515*31725658Sksadhukh /* Set bits [35:32] for extended part of Event Select field */ 516*31725658Sksadhukh evsel_tmp = evp->emask & 0x0f00; 517*31725658Sksadhukh evsel |= evsel_tmp << 24; 518*31725658Sksadhukh } 519*31725658Sksadhukh 520*31725658Sksadhukh evsel |= evp->emask & 0x00ff; 5217c478bd9Sstevel@tonic-gate 5227c478bd9Sstevel@tonic-gate if (flags & CPC_COUNT_USER) 5237c478bd9Sstevel@tonic-gate evsel |= OPT_PES_USR; 5247c478bd9Sstevel@tonic-gate if (flags & CPC_COUNT_SYSTEM) 5257c478bd9Sstevel@tonic-gate evsel |= OPT_PES_OS; 5267c478bd9Sstevel@tonic-gate if (flags & CPC_OVF_NOTIFY_EMT) 5277c478bd9Sstevel@tonic-gate evsel |= OPT_PES_INT; 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate for (i = 0; i < nattrs; i++) { 5307c478bd9Sstevel@tonic-gate if (strcmp(attrs[i].ka_name, "edge") == 0) { 5317c478bd9Sstevel@tonic-gate if (attrs[i].ka_val != 0) 5327c478bd9Sstevel@tonic-gate evsel |= OPT_PES_EDGE; 5337c478bd9Sstevel@tonic-gate } else if (strcmp(attrs[i].ka_name, "pc") == 0) { 5347c478bd9Sstevel@tonic-gate if (attrs[i].ka_val != 0) 5357c478bd9Sstevel@tonic-gate evsel |= OPT_PES_PC; 5367c478bd9Sstevel@tonic-gate } else if (strcmp(attrs[i].ka_name, "inv") == 0) { 5377c478bd9Sstevel@tonic-gate if (attrs[i].ka_val != 0) 5387c478bd9Sstevel@tonic-gate evsel |= OPT_PES_INV; 5397c478bd9Sstevel@tonic-gate } else if (strcmp(attrs[i].ka_name, "cmask") == 0) { 5407c478bd9Sstevel@tonic-gate if ((attrs[i].ka_val | OPT_PES_CMASK_MASK) != 5417c478bd9Sstevel@tonic-gate OPT_PES_CMASK_MASK) 5427c478bd9Sstevel@tonic-gate return (CPC_ATTRIBUTE_OUT_OF_RANGE); 5437c478bd9Sstevel@tonic-gate evsel |= attrs[i].ka_val << OPT_PES_CMASK_SHIFT; 5447c478bd9Sstevel@tonic-gate } else if (strcmp(attrs[i].ka_name, "umask") == 0) { 5457c478bd9Sstevel@tonic-gate if ((attrs[i].ka_val | evp->umask_valid) != 5467c478bd9Sstevel@tonic-gate evp->umask_valid) 5477c478bd9Sstevel@tonic-gate return (CPC_ATTRIBUTE_OUT_OF_RANGE); 5487c478bd9Sstevel@tonic-gate evsel |= attrs[i].ka_val << OPT_PES_UMASK_SHIFT; 5497c478bd9Sstevel@tonic-gate } else 5507c478bd9Sstevel@tonic-gate return (CPC_INVALID_ATTRIBUTE); 5517c478bd9Sstevel@tonic-gate } 5527c478bd9Sstevel@tonic-gate 5537c478bd9Sstevel@tonic-gate cfg = kmem_alloc(sizeof (*cfg), KM_SLEEP); 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate cfg->opt_picno = picnum; 5567c478bd9Sstevel@tonic-gate cfg->opt_evsel = evsel; 5577c478bd9Sstevel@tonic-gate cfg->opt_rawpic = preset & MASK48; 5587c478bd9Sstevel@tonic-gate 5597c478bd9Sstevel@tonic-gate *data = cfg; 5607c478bd9Sstevel@tonic-gate return (0); 5617c478bd9Sstevel@tonic-gate } 5627c478bd9Sstevel@tonic-gate 5637c478bd9Sstevel@tonic-gate static void 5647c478bd9Sstevel@tonic-gate opt_pcbe_program(void *token) 5657c478bd9Sstevel@tonic-gate { 5667c478bd9Sstevel@tonic-gate opt_pcbe_config_t *cfgs[4] = { &nullcfgs[0], &nullcfgs[1], 5677c478bd9Sstevel@tonic-gate &nullcfgs[2], &nullcfgs[3] }; 5687c478bd9Sstevel@tonic-gate opt_pcbe_config_t *pcfg = NULL; 5697c478bd9Sstevel@tonic-gate int i; 570843e1988Sjohnlev ulong_t curcr4 = getcr4(); 5717c478bd9Sstevel@tonic-gate 5727c478bd9Sstevel@tonic-gate /* 5737c478bd9Sstevel@tonic-gate * Allow nonprivileged code to read the performance counters if desired. 5747c478bd9Sstevel@tonic-gate */ 5757c478bd9Sstevel@tonic-gate if (kcpc_allow_nonpriv(token)) 5767c478bd9Sstevel@tonic-gate setcr4(curcr4 | CR4_PCE); 5777c478bd9Sstevel@tonic-gate else 5787c478bd9Sstevel@tonic-gate setcr4(curcr4 & ~CR4_PCE); 5797c478bd9Sstevel@tonic-gate 5807c478bd9Sstevel@tonic-gate /* 5817c478bd9Sstevel@tonic-gate * Query kernel for all configs which will be co-programmed. 5827c478bd9Sstevel@tonic-gate */ 5837c478bd9Sstevel@tonic-gate do { 5847c478bd9Sstevel@tonic-gate pcfg = (opt_pcbe_config_t *)kcpc_next_config(token, pcfg, NULL); 5857c478bd9Sstevel@tonic-gate 5867c478bd9Sstevel@tonic-gate if (pcfg != NULL) { 5877c478bd9Sstevel@tonic-gate ASSERT(pcfg->opt_picno < 4); 5887c478bd9Sstevel@tonic-gate cfgs[pcfg->opt_picno] = pcfg; 5897c478bd9Sstevel@tonic-gate } 5907c478bd9Sstevel@tonic-gate } while (pcfg != NULL); 5917c478bd9Sstevel@tonic-gate 5927c478bd9Sstevel@tonic-gate /* 5937c478bd9Sstevel@tonic-gate * Program in two loops. The first configures and presets the counter, 5947c478bd9Sstevel@tonic-gate * and the second loop enables the counters. This ensures that the 5957c478bd9Sstevel@tonic-gate * counters are all enabled as closely together in time as possible. 5967c478bd9Sstevel@tonic-gate */ 5977c478bd9Sstevel@tonic-gate 5987c478bd9Sstevel@tonic-gate for (i = 0; i < 4; i++) { 5990ac7d7d8Skucharsk wrmsr(PES_BASE_ADDR + i, cfgs[i]->opt_evsel); 6000ac7d7d8Skucharsk wrmsr(PIC_BASE_ADDR + i, cfgs[i]->opt_rawpic); 6017c478bd9Sstevel@tonic-gate } 6027c478bd9Sstevel@tonic-gate 6037c478bd9Sstevel@tonic-gate for (i = 0; i < 4; i++) { 6040ac7d7d8Skucharsk wrmsr(PES_BASE_ADDR + i, cfgs[i]->opt_evsel | 6050ac7d7d8Skucharsk (uint64_t)(uintptr_t)OPT_PES_ENABLE); 6067c478bd9Sstevel@tonic-gate } 6077c478bd9Sstevel@tonic-gate } 6087c478bd9Sstevel@tonic-gate 6097c478bd9Sstevel@tonic-gate static void 6107c478bd9Sstevel@tonic-gate opt_pcbe_allstop(void) 6117c478bd9Sstevel@tonic-gate { 6127c478bd9Sstevel@tonic-gate int i; 6137c478bd9Sstevel@tonic-gate 6147c478bd9Sstevel@tonic-gate for (i = 0; i < 4; i++) 6150ac7d7d8Skucharsk wrmsr(PES_BASE_ADDR + i, 0ULL); 6167c478bd9Sstevel@tonic-gate 6177c478bd9Sstevel@tonic-gate /* 6187c478bd9Sstevel@tonic-gate * Disable non-privileged access to the counter registers. 6197c478bd9Sstevel@tonic-gate */ 620843e1988Sjohnlev setcr4(getcr4() & ~CR4_PCE); 6217c478bd9Sstevel@tonic-gate } 6227c478bd9Sstevel@tonic-gate 6237c478bd9Sstevel@tonic-gate static void 6247c478bd9Sstevel@tonic-gate opt_pcbe_sample(void *token) 6257c478bd9Sstevel@tonic-gate { 6267c478bd9Sstevel@tonic-gate opt_pcbe_config_t *cfgs[4] = { NULL, NULL, NULL, NULL }; 6277c478bd9Sstevel@tonic-gate opt_pcbe_config_t *pcfg = NULL; 6287c478bd9Sstevel@tonic-gate int i; 6297c478bd9Sstevel@tonic-gate uint64_t curpic[4]; 6307c478bd9Sstevel@tonic-gate uint64_t *addrs[4]; 6317c478bd9Sstevel@tonic-gate uint64_t *tmp; 6327c478bd9Sstevel@tonic-gate int64_t diff; 6337c478bd9Sstevel@tonic-gate 6347c478bd9Sstevel@tonic-gate for (i = 0; i < 4; i++) 63593d449f8Skucharsk curpic[i] = rdmsr(PIC_BASE_ADDR + i); 6367c478bd9Sstevel@tonic-gate 6377c478bd9Sstevel@tonic-gate /* 6387c478bd9Sstevel@tonic-gate * Query kernel for all configs which are co-programmed. 6397c478bd9Sstevel@tonic-gate */ 6407c478bd9Sstevel@tonic-gate do { 6417c478bd9Sstevel@tonic-gate pcfg = (opt_pcbe_config_t *)kcpc_next_config(token, pcfg, &tmp); 6427c478bd9Sstevel@tonic-gate 6437c478bd9Sstevel@tonic-gate if (pcfg != NULL) { 6447c478bd9Sstevel@tonic-gate ASSERT(pcfg->opt_picno < 4); 6457c478bd9Sstevel@tonic-gate cfgs[pcfg->opt_picno] = pcfg; 6467c478bd9Sstevel@tonic-gate addrs[pcfg->opt_picno] = tmp; 6477c478bd9Sstevel@tonic-gate } 6487c478bd9Sstevel@tonic-gate } while (pcfg != NULL); 6497c478bd9Sstevel@tonic-gate 6507c478bd9Sstevel@tonic-gate for (i = 0; i < 4; i++) { 6517c478bd9Sstevel@tonic-gate if (cfgs[i] == NULL) 6527c478bd9Sstevel@tonic-gate continue; 6537c478bd9Sstevel@tonic-gate 6547c478bd9Sstevel@tonic-gate diff = (curpic[i] - cfgs[i]->opt_rawpic) & MASK48; 6557c478bd9Sstevel@tonic-gate *addrs[i] += diff; 6567c478bd9Sstevel@tonic-gate DTRACE_PROBE4(opt__pcbe__sample, int, i, uint64_t, *addrs[i], 6577c478bd9Sstevel@tonic-gate uint64_t, curpic[i], uint64_t, cfgs[i]->opt_rawpic); 6587c478bd9Sstevel@tonic-gate cfgs[i]->opt_rawpic = *addrs[i] & MASK48; 6597c478bd9Sstevel@tonic-gate } 6607c478bd9Sstevel@tonic-gate } 6617c478bd9Sstevel@tonic-gate 6627c478bd9Sstevel@tonic-gate static void 6637c478bd9Sstevel@tonic-gate opt_pcbe_free(void *config) 6647c478bd9Sstevel@tonic-gate { 6657c478bd9Sstevel@tonic-gate kmem_free(config, sizeof (opt_pcbe_config_t)); 6667c478bd9Sstevel@tonic-gate } 6677c478bd9Sstevel@tonic-gate 6687c478bd9Sstevel@tonic-gate 6697c478bd9Sstevel@tonic-gate static struct modlpcbe modlpcbe = { 6707c478bd9Sstevel@tonic-gate &mod_pcbeops, 6717c478bd9Sstevel@tonic-gate "AMD Performance Counters v%I%", 6727c478bd9Sstevel@tonic-gate &opt_pcbe_ops 6737c478bd9Sstevel@tonic-gate }; 6747c478bd9Sstevel@tonic-gate 6757c478bd9Sstevel@tonic-gate static struct modlinkage modl = { 6767c478bd9Sstevel@tonic-gate MODREV_1, 6777c478bd9Sstevel@tonic-gate &modlpcbe, 6787c478bd9Sstevel@tonic-gate }; 6797c478bd9Sstevel@tonic-gate 6807c478bd9Sstevel@tonic-gate int 6817c478bd9Sstevel@tonic-gate _init(void) 6827c478bd9Sstevel@tonic-gate { 6837c478bd9Sstevel@tonic-gate int ret; 6847c478bd9Sstevel@tonic-gate 6857c478bd9Sstevel@tonic-gate if (opt_pcbe_init() != 0) 6867c478bd9Sstevel@tonic-gate return (ENOTSUP); 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate if ((ret = mod_install(&modl)) != 0) 6897c478bd9Sstevel@tonic-gate kmem_free(evlist, evlist_sz + 1); 6907c478bd9Sstevel@tonic-gate 6917c478bd9Sstevel@tonic-gate return (ret); 6927c478bd9Sstevel@tonic-gate } 6937c478bd9Sstevel@tonic-gate 6947c478bd9Sstevel@tonic-gate int 6957c478bd9Sstevel@tonic-gate _fini(void) 6967c478bd9Sstevel@tonic-gate { 6977c478bd9Sstevel@tonic-gate int ret; 6987c478bd9Sstevel@tonic-gate 6997c478bd9Sstevel@tonic-gate if ((ret = mod_remove(&modl)) == 0) 7007c478bd9Sstevel@tonic-gate kmem_free(evlist, evlist_sz + 1); 7017c478bd9Sstevel@tonic-gate return (ret); 7027c478bd9Sstevel@tonic-gate } 7037c478bd9Sstevel@tonic-gate 7047c478bd9Sstevel@tonic-gate int 7057c478bd9Sstevel@tonic-gate _info(struct modinfo *mi) 7067c478bd9Sstevel@tonic-gate { 7077c478bd9Sstevel@tonic-gate return (mod_info(&modl, mi)); 7087c478bd9Sstevel@tonic-gate } 709