<html><head><title>include/public/xenoprof.h - arch-x86_32 - Xen public headers</title></head><body><pre> /****************************************************************************** * xenoprof.h * * Interface for enabling system wide profiling based on hardware performance * counters * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Copyright (C) 2005 Hewlett-Packard Co. * Written by Aravind Menon & Jose Renato Santos */ #ifndef __XEN_PUBLIC_XENOPROF_H__ #define __XEN_PUBLIC_XENOPROF_H__ #include "xen.h" /* * Commands to HYPERVISOR_xenoprof_op(). */ #define XENOPROF_init 0 #define XENOPROF_reset_active_list 1 #define XENOPROF_reset_passive_list 2 #define XENOPROF_set_active 3 #define XENOPROF_set_passive 4 #define XENOPROF_reserve_counters 5 #define XENOPROF_counter 6 #define XENOPROF_setup_events 7 #define XENOPROF_enable_virq 8 #define XENOPROF_start 9 #define XENOPROF_stop 10 #define XENOPROF_disable_virq 11 #define XENOPROF_release_counters 12 #define XENOPROF_shutdown 13 #define XENOPROF_get_buffer 14 #define XENOPROF_set_backtrace 15 /* AMD IBS support */ #define XENOPROF_get_ibs_caps 16 #define XENOPROF_ibs_counter 17 #define XENOPROF_last_op 17 #define MAX_OPROF_EVENTS 32 #define MAX_OPROF_DOMAINS 25 #define XENOPROF_CPU_TYPE_SIZE 64 /* Xenoprof performance events (not Xen events) */ <a name="Struct_event_log"><strong>struct event_log</strong></a> { uint64_t eip; uint8_t mode; uint8_t event; }; /* PC value that indicates a special code */ #define XENOPROF_ESCAPE_CODE (~xen_mk_ullong(0)) /* Transient events for the xenoprof->oprofile cpu buf */ #define XENOPROF_TRACE_BEGIN 1 /* Xenoprof buffer shared between Xen and domain - 1 per VCPU */ <a name="Struct_xenoprof_buf"><strong>struct xenoprof_buf</strong></a> { uint32_t event_head; uint32_t event_tail; uint32_t event_size; uint32_t vcpu_id; uint64_t xen_samples; uint64_t kernel_samples; uint64_t user_samples; uint64_t lost_samples; <a href="include,public,xenoprof.h.html#Struct_event_log">struct event_log</a> event_log[1]; }; #ifndef __XEN__ typedef <a href="include,public,xenoprof.h.html#Struct_xenoprof_buf">struct xenoprof_buf</a> <a name="Typedef_xenoprof_buf_t"><strong>xenoprof_buf_t</strong></a>; DEFINE_XEN_GUEST_HANDLE(<a href="include,public,xenoprof.h.html#Struct_xenoprof_buf">xenoprof_buf_t</a>); #endif <a name="Struct_xenoprof_init"><strong>struct xenoprof_init</strong></a> { int32_t num_events; int32_t is_primary; char cpu_type[XENOPROF_CPU_TYPE_SIZE]; }; typedef <a href="include,public,xenoprof.h.html#Struct_xenoprof_init">struct xenoprof_init</a> <a name="Typedef_xenoprof_init_t"><strong>xenoprof_init_t</strong></a>; DEFINE_XEN_GUEST_HANDLE(<a href="include,public,xenoprof.h.html#Struct_xenoprof_init">xenoprof_init_t</a>); <a name="Struct_xenoprof_get_buffer"><strong>struct xenoprof_get_buffer</strong></a> { int32_t max_samples; int32_t nbuf; int32_t bufsize; uint64_t buf_gmaddr; }; typedef <a href="include,public,xenoprof.h.html#Struct_xenoprof_get_buffer">struct xenoprof_get_buffer</a> <a name="Typedef_xenoprof_get_buffer_t"><strong>xenoprof_get_buffer_t</strong></a>; DEFINE_XEN_GUEST_HANDLE(<a href="include,public,xenoprof.h.html#Struct_xenoprof_get_buffer">xenoprof_get_buffer_t</a>); <a name="Struct_xenoprof_counter"><strong>struct xenoprof_counter</strong></a> { uint32_t ind; uint64_t count; uint32_t enabled; uint32_t event; uint32_t hypervisor; uint32_t kernel; uint32_t user; uint64_t unit_mask; }; typedef <a href="include,public,xenoprof.h.html#Struct_xenoprof_counter">struct xenoprof_counter</a> <a name="Typedef_xenoprof_counter_t"><strong>xenoprof_counter_t</strong></a>; DEFINE_XEN_GUEST_HANDLE(<a href="include,public,xenoprof.h.html#Struct_xenoprof_counter">xenoprof_counter_t</a>); typedef struct xenoprof_passive { uint16_t domain_id; int32_t max_samples; int32_t nbuf; int32_t bufsize; uint64_t buf_gmaddr; } xenoprof_passive_t; DEFINE_XEN_GUEST_HANDLE(xenoprof_passive_t); <a name="Struct_xenoprof_ibs_counter"><strong>struct xenoprof_ibs_counter</strong></a> { uint64_t op_enabled; uint64_t fetch_enabled; uint64_t max_cnt_fetch; uint64_t max_cnt_op; uint64_t rand_en; uint64_t dispatched_ops; }; typedef <a href="include,public,xenoprof.h.html#Struct_xenoprof_ibs_counter">struct xenoprof_ibs_counter</a> <a name="Typedef_xenoprof_ibs_counter_t"><strong>xenoprof_ibs_counter_t</strong></a>; DEFINE_XEN_GUEST_HANDLE(<a href="include,public,xenoprof.h.html#Struct_xenoprof_ibs_counter">xenoprof_ibs_counter_t</a>); #endif /* __XEN_PUBLIC_XENOPROF_H__ */ /* * Local variables: * mode: C * c-file-style: "BSD" * c-basic-offset: 4 * tab-width: 4 * indent-tabs-mode: nil * End: */ </pre></body></html>