1181624Skmacy/****************************************************************************** 2181624Skmacy * xenoprof.h 3181624Skmacy * 4181624Skmacy * Interface for enabling system wide profiling based on hardware performance 5181624Skmacy * counters 6181624Skmacy * 7181624Skmacy * Permission is hereby granted, free of charge, to any person obtaining a copy 8181624Skmacy * of this software and associated documentation files (the "Software"), to 9181624Skmacy * deal in the Software without restriction, including without limitation the 10181624Skmacy * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 11181624Skmacy * sell copies of the Software, and to permit persons to whom the Software is 12181624Skmacy * furnished to do so, subject to the following conditions: 13181624Skmacy * 14181624Skmacy * The above copyright notice and this permission notice shall be included in 15181624Skmacy * all copies or substantial portions of the Software. 16181624Skmacy * 17181624Skmacy * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18181624Skmacy * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19181624Skmacy * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20181624Skmacy * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21181624Skmacy * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22181624Skmacy * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23181624Skmacy * DEALINGS IN THE SOFTWARE. 24181624Skmacy * 25181624Skmacy * Copyright (C) 2005 Hewlett-Packard Co. 26181624Skmacy * Written by Aravind Menon & Jose Renato Santos 27181624Skmacy */ 28181624Skmacy 29181624Skmacy#ifndef __XEN_PUBLIC_XENOPROF_H__ 30181624Skmacy#define __XEN_PUBLIC_XENOPROF_H__ 31181624Skmacy 32181624Skmacy#include "xen.h" 33181624Skmacy 34181624Skmacy/* 35181624Skmacy * Commands to HYPERVISOR_xenoprof_op(). 36181624Skmacy */ 37181624Skmacy#define XENOPROF_init 0 38181624Skmacy#define XENOPROF_reset_active_list 1 39181624Skmacy#define XENOPROF_reset_passive_list 2 40181624Skmacy#define XENOPROF_set_active 3 41181624Skmacy#define XENOPROF_set_passive 4 42181624Skmacy#define XENOPROF_reserve_counters 5 43181624Skmacy#define XENOPROF_counter 6 44181624Skmacy#define XENOPROF_setup_events 7 45181624Skmacy#define XENOPROF_enable_virq 8 46181624Skmacy#define XENOPROF_start 9 47181624Skmacy#define XENOPROF_stop 10 48181624Skmacy#define XENOPROF_disable_virq 11 49181624Skmacy#define XENOPROF_release_counters 12 50181624Skmacy#define XENOPROF_shutdown 13 51181624Skmacy#define XENOPROF_get_buffer 14 52181624Skmacy#define XENOPROF_set_backtrace 15 53181624Skmacy 54251767Sgibbs/* AMD IBS support */ 55251767Sgibbs#define XENOPROF_get_ibs_caps 16 56251767Sgibbs#define XENOPROF_ibs_counter 17 57251767Sgibbs#define XENOPROF_last_op 17 58251767Sgibbs 59181624Skmacy#define MAX_OPROF_EVENTS 32 60181624Skmacy#define MAX_OPROF_DOMAINS 25 61181624Skmacy#define XENOPROF_CPU_TYPE_SIZE 64 62181624Skmacy 63181624Skmacy/* Xenoprof performance events (not Xen events) */ 64181624Skmacystruct event_log { 65181624Skmacy uint64_t eip; 66181624Skmacy uint8_t mode; 67181624Skmacy uint8_t event; 68181624Skmacy}; 69181624Skmacy 70181624Skmacy/* PC value that indicates a special code */ 71251767Sgibbs#define XENOPROF_ESCAPE_CODE (~0ULL) 72181624Skmacy/* Transient events for the xenoprof->oprofile cpu buf */ 73181624Skmacy#define XENOPROF_TRACE_BEGIN 1 74181624Skmacy 75181624Skmacy/* Xenoprof buffer shared between Xen and domain - 1 per VCPU */ 76181624Skmacystruct xenoprof_buf { 77181624Skmacy uint32_t event_head; 78181624Skmacy uint32_t event_tail; 79181624Skmacy uint32_t event_size; 80181624Skmacy uint32_t vcpu_id; 81181624Skmacy uint64_t xen_samples; 82181624Skmacy uint64_t kernel_samples; 83181624Skmacy uint64_t user_samples; 84181624Skmacy uint64_t lost_samples; 85181624Skmacy struct event_log event_log[1]; 86181624Skmacy}; 87181624Skmacy#ifndef __XEN__ 88181624Skmacytypedef struct xenoprof_buf xenoprof_buf_t; 89181624SkmacyDEFINE_XEN_GUEST_HANDLE(xenoprof_buf_t); 90181624Skmacy#endif 91181624Skmacy 92181624Skmacystruct xenoprof_init { 93181624Skmacy int32_t num_events; 94181624Skmacy int32_t is_primary; 95181624Skmacy char cpu_type[XENOPROF_CPU_TYPE_SIZE]; 96181624Skmacy}; 97181624Skmacytypedef struct xenoprof_init xenoprof_init_t; 98181624SkmacyDEFINE_XEN_GUEST_HANDLE(xenoprof_init_t); 99181624Skmacy 100181624Skmacystruct xenoprof_get_buffer { 101181624Skmacy int32_t max_samples; 102181624Skmacy int32_t nbuf; 103181624Skmacy int32_t bufsize; 104181624Skmacy uint64_t buf_gmaddr; 105181624Skmacy}; 106181624Skmacytypedef struct xenoprof_get_buffer xenoprof_get_buffer_t; 107181624SkmacyDEFINE_XEN_GUEST_HANDLE(xenoprof_get_buffer_t); 108181624Skmacy 109181624Skmacystruct xenoprof_counter { 110181624Skmacy uint32_t ind; 111181624Skmacy uint64_t count; 112181624Skmacy uint32_t enabled; 113181624Skmacy uint32_t event; 114181624Skmacy uint32_t hypervisor; 115181624Skmacy uint32_t kernel; 116181624Skmacy uint32_t user; 117181624Skmacy uint64_t unit_mask; 118181624Skmacy}; 119181624Skmacytypedef struct xenoprof_counter xenoprof_counter_t; 120181624SkmacyDEFINE_XEN_GUEST_HANDLE(xenoprof_counter_t); 121181624Skmacy 122181624Skmacytypedef struct xenoprof_passive { 123181624Skmacy uint16_t domain_id; 124181624Skmacy int32_t max_samples; 125181624Skmacy int32_t nbuf; 126181624Skmacy int32_t bufsize; 127181624Skmacy uint64_t buf_gmaddr; 128181624Skmacy} xenoprof_passive_t; 129181624SkmacyDEFINE_XEN_GUEST_HANDLE(xenoprof_passive_t); 130181624Skmacy 131251767Sgibbsstruct xenoprof_ibs_counter { 132251767Sgibbs uint64_t op_enabled; 133251767Sgibbs uint64_t fetch_enabled; 134251767Sgibbs uint64_t max_cnt_fetch; 135251767Sgibbs uint64_t max_cnt_op; 136251767Sgibbs uint64_t rand_en; 137251767Sgibbs uint64_t dispatched_ops; 138251767Sgibbs}; 139251767Sgibbstypedef struct xenoprof_ibs_counter xenoprof_ibs_counter_t; 140251767SgibbsDEFINE_XEN_GUEST_HANDLE(xenoprof_ibs_counter_t); 141181624Skmacy 142181624Skmacy#endif /* __XEN_PUBLIC_XENOPROF_H__ */ 143181624Skmacy 144181624Skmacy/* 145181624Skmacy * Local variables: 146181624Skmacy * mode: C 147288917Sroyger * c-file-style: "BSD" 148181624Skmacy * c-basic-offset: 4 149181624Skmacy * tab-width: 4 150181624Skmacy * indent-tabs-mode: nil 151181624Skmacy * End: 152181624Skmacy */ 153