trace.h revision 181624 
1/******************************************************************************
2 * include/public/trace.h
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to
6 * deal in the Software without restriction, including without limitation the
7 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
8 * sell copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 *
22 * Mark Williamson, (C) 2004 Intel Research Cambridge
23 * Copyright (C) 2005 Bin Ren
24 */
25
26#ifndef __XEN_PUBLIC_TRACE_H__
27#define __XEN_PUBLIC_TRACE_H__
28
29/* Trace classes */
30#define TRC_CLS_SHIFT 16
31#define TRC_GEN     0x0001f000    /* General trace            */
32#define TRC_SCHED   0x0002f000    /* Xen Scheduler trace      */
33#define TRC_DOM0OP  0x0004f000    /* Xen DOM0 operation trace */
34#define TRC_HVM     0x0008f000    /* Xen HVM trace            */
35#define TRC_MEM     0x0010f000    /* Xen memory trace         */
36#define TRC_ALL     0xfffff000
37
38/* Trace subclasses */
39#define TRC_SUBCLS_SHIFT 12
40
41/* trace subclasses for SVM */
42#define TRC_HVM_ENTRYEXIT 0x00081000   /* VMENTRY and #VMEXIT       */
43#define TRC_HVM_HANDLER   0x00082000   /* various HVM handlers      */
44
45/* Trace events per class */
46#define TRC_LOST_RECORDS        (TRC_GEN + 1)
47
48#define TRC_SCHED_DOM_ADD       (TRC_SCHED +  1)
49#define TRC_SCHED_DOM_REM       (TRC_SCHED +  2)
50#define TRC_SCHED_SLEEP         (TRC_SCHED +  3)
51#define TRC_SCHED_WAKE          (TRC_SCHED +  4)
52#define TRC_SCHED_YIELD         (TRC_SCHED +  5)
53#define TRC_SCHED_BLOCK         (TRC_SCHED +  6)
54#define TRC_SCHED_SHUTDOWN      (TRC_SCHED +  7)
55#define TRC_SCHED_CTL           (TRC_SCHED +  8)
56#define TRC_SCHED_ADJDOM        (TRC_SCHED +  9)
57#define TRC_SCHED_SWITCH        (TRC_SCHED + 10)
58#define TRC_SCHED_S_TIMER_FN    (TRC_SCHED + 11)
59#define TRC_SCHED_T_TIMER_FN    (TRC_SCHED + 12)
60#define TRC_SCHED_DOM_TIMER_FN  (TRC_SCHED + 13)
61#define TRC_SCHED_SWITCH_INFPREV (TRC_SCHED + 14)
62#define TRC_SCHED_SWITCH_INFNEXT (TRC_SCHED + 15)
63
64#define TRC_MEM_PAGE_GRANT_MAP      (TRC_MEM + 1)
65#define TRC_MEM_PAGE_GRANT_UNMAP    (TRC_MEM + 2)
66#define TRC_MEM_PAGE_GRANT_TRANSFER (TRC_MEM + 3)
67
68/* trace events per subclass */
69#define TRC_HVM_VMENTRY         (TRC_HVM_ENTRYEXIT + 0x01)
70#define TRC_HVM_VMEXIT          (TRC_HVM_ENTRYEXIT + 0x02)
71#define TRC_HVM_PF_XEN          (TRC_HVM_HANDLER + 0x01)
72#define TRC_HVM_PF_INJECT       (TRC_HVM_HANDLER + 0x02)
73#define TRC_HVM_INJ_EXC         (TRC_HVM_HANDLER + 0x03)
74#define TRC_HVM_INJ_VIRQ        (TRC_HVM_HANDLER + 0x04)
75#define TRC_HVM_REINJ_VIRQ      (TRC_HVM_HANDLER + 0x05)
76#define TRC_HVM_IO_READ         (TRC_HVM_HANDLER + 0x06)
77#define TRC_HVM_IO_WRITE        (TRC_HVM_HANDLER + 0x07)
78#define TRC_HVM_CR_READ         (TRC_HVM_HANDLER + 0x08)
79#define TRC_HVM_CR_WRITE        (TRC_HVM_HANDLER + 0x09)
80#define TRC_HVM_DR_READ         (TRC_HVM_HANDLER + 0x0A)
81#define TRC_HVM_DR_WRITE        (TRC_HVM_HANDLER + 0x0B)
82#define TRC_HVM_MSR_READ        (TRC_HVM_HANDLER + 0x0C)
83#define TRC_HVM_MSR_WRITE       (TRC_HVM_HANDLER + 0x0D)
84#define TRC_HVM_CPUID           (TRC_HVM_HANDLER + 0x0E)
85#define TRC_HVM_INTR            (TRC_HVM_HANDLER + 0x0F)
86#define TRC_HVM_NMI             (TRC_HVM_HANDLER + 0x10)
87#define TRC_HVM_SMI             (TRC_HVM_HANDLER + 0x11)
88#define TRC_HVM_VMMCALL         (TRC_HVM_HANDLER + 0x12)
89#define TRC_HVM_HLT             (TRC_HVM_HANDLER + 0x13)
90#define TRC_HVM_INVLPG          (TRC_HVM_HANDLER + 0x14)
91#define TRC_HVM_MCE             (TRC_HVM_HANDLER + 0x15)
92
93/* This structure represents a single trace buffer record. */
94struct t_rec {
95    uint64_t cycles;          /* cycle counter timestamp */
96    uint32_t event;           /* event ID                */
97    unsigned long data[5];    /* event data items        */
98};
99
100/*
101 * This structure contains the metadata for a single trace buffer.  The head
102 * field, indexes into an array of struct t_rec's.
103 */
104struct t_buf {
105    uint32_t cons;      /* Next item to be consumed by control tools. */
106    uint32_t prod;      /* Next item to be produced by Xen.           */
107    /* 'nr_recs' records follow immediately after the meta-data header.    */
108};
109
110#endif /* __XEN_PUBLIC_TRACE_H__ */
111
112/*
113 * Local variables:
114 * mode: C
115 * c-set-style: "BSD"
116 * c-basic-offset: 4
117 * tab-width: 4
118 * indent-tabs-mode: nil
119 * End:
120 */
121