ia64/xen-unstable

view xen/include/public/trace.h @ 18450:1a7705924dbe

xentrace 1/7: Trace runstate changes.

Also, introduce SCHED_MIN and SCHED_VERBOSE, so that we can trace
just runstate changes if we want to.

Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Signed-off-by: Trolle Selander <trolle.selander@eu.citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Mon Sep 08 15:47:47 2008 +0100 (2008-09-08)
parents 268a9f8286f3
children 74621a2add54
line source
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 */
26 #ifndef __XEN_PUBLIC_TRACE_H__
27 #define __XEN_PUBLIC_TRACE_H__
29 #define TRACE_EXTRA_MAX 7
30 #define TRACE_EXTRA_SHIFT 28
32 /* Trace classes */
33 #define TRC_CLS_SHIFT 16
34 #define TRC_GEN 0x0001f000 /* General trace */
35 #define TRC_SCHED 0x0002f000 /* Xen Scheduler trace */
36 #define TRC_DOM0OP 0x0004f000 /* Xen DOM0 operation trace */
37 #define TRC_HVM 0x0008f000 /* Xen HVM trace */
38 #define TRC_MEM 0x0010f000 /* Xen memory trace */
39 #define TRC_PV 0x0020f000 /* Xen PV traces */
40 #define TRC_ALL 0x0ffff000
41 #define TRC_HD_TO_EVENT(x) ((x)&0x0fffffff)
42 #define TRC_HD_CYCLE_FLAG (1UL<<31)
43 #define TRC_HD_INCLUDES_CYCLE_COUNT(x) ( !!( (x) & TRC_HD_CYCLE_FLAG ) )
44 #define TRC_HD_EXTRA(x) (((x)>>TRACE_EXTRA_SHIFT)&TRACE_EXTRA_MAX)
46 /* Trace subclasses */
47 #define TRC_SUBCLS_SHIFT 12
49 /* trace subclasses for SVM */
50 #define TRC_HVM_ENTRYEXIT 0x00081000 /* VMENTRY and #VMEXIT */
51 #define TRC_HVM_HANDLER 0x00082000 /* various HVM handlers */
53 #define TRC_SCHED_MIN 0x00021000 /* Just runstate changes */
54 #define TRC_SCHED_VERBOSE 0x00028000 /* More inclusive scheduling */
56 /* Trace events per class */
57 #define TRC_LOST_RECORDS (TRC_GEN + 1)
58 #define TRC_TRACE_WRAP_BUFFER (TRC_GEN + 2)
59 #define TRC_TRACE_CPU_CHANGE (TRC_GEN + 3)
61 #define TRC_SCHED_RUNSTATE_CHANGE (TRC_SCHED_MIN + 1)
62 #define TRC_SCHED_DOM_ADD (TRC_SCHED_VERBOSE + 1)
63 #define TRC_SCHED_DOM_REM (TRC_SCHED_VERBOSE + 2)
64 #define TRC_SCHED_SLEEP (TRC_SCHED_VERBOSE + 3)
65 #define TRC_SCHED_WAKE (TRC_SCHED_VERBOSE + 4)
66 #define TRC_SCHED_YIELD (TRC_SCHED_VERBOSE + 5)
67 #define TRC_SCHED_BLOCK (TRC_SCHED_VERBOSE + 6)
68 #define TRC_SCHED_SHUTDOWN (TRC_SCHED_VERBOSE + 7)
69 #define TRC_SCHED_CTL (TRC_SCHED_VERBOSE + 8)
70 #define TRC_SCHED_ADJDOM (TRC_SCHED_VERBOSE + 9)
71 #define TRC_SCHED_SWITCH (TRC_SCHED_VERBOSE + 10)
72 #define TRC_SCHED_S_TIMER_FN (TRC_SCHED_VERBOSE + 11)
73 #define TRC_SCHED_T_TIMER_FN (TRC_SCHED_VERBOSE + 12)
74 #define TRC_SCHED_DOM_TIMER_FN (TRC_SCHED_VERBOSE + 13)
75 #define TRC_SCHED_SWITCH_INFPREV (TRC_SCHED_VERBOSE + 14)
76 #define TRC_SCHED_SWITCH_INFNEXT (TRC_SCHED_VERBOSE + 15)
78 #define TRC_MEM_PAGE_GRANT_MAP (TRC_MEM + 1)
79 #define TRC_MEM_PAGE_GRANT_UNMAP (TRC_MEM + 2)
80 #define TRC_MEM_PAGE_GRANT_TRANSFER (TRC_MEM + 3)
82 #define TRC_PV_HYPERCALL (TRC_PV + 1)
83 #define TRC_PV_TRAP (TRC_PV + 3)
84 #define TRC_PV_PAGE_FAULT (TRC_PV + 4)
85 #define TRC_PV_FORCED_INVALID_OP (TRC_PV + 5)
86 #define TRC_PV_EMULATE_PRIVOP (TRC_PV + 6)
87 #define TRC_PV_EMULATE_4GB (TRC_PV + 7)
88 #define TRC_PV_MATH_STATE_RESTORE (TRC_PV + 8)
89 #define TRC_PV_PAGING_FIXUP (TRC_PV + 9)
90 #define TRC_PV_GDT_LDT_MAPPING_FAULT (TRC_PV + 10)
91 #define TRC_PV_PTWR_EMULATION (TRC_PV + 11)
92 #define TRC_PV_PTWR_EMULATION_PAE (TRC_PV + 12)
93 /* Indicates that addresses in trace record are 64 bits */
94 #define TRC_64_FLAG (0x100)
96 /* trace events per subclass */
97 #define TRC_HVM_VMENTRY (TRC_HVM_ENTRYEXIT + 0x01)
98 #define TRC_HVM_VMEXIT (TRC_HVM_ENTRYEXIT + 0x02)
99 #define TRC_HVM_VMEXIT64 (TRC_HVM_ENTRYEXIT + TRC_64_FLAG + 0x02)
100 #define TRC_HVM_PF_XEN (TRC_HVM_HANDLER + 0x01)
101 #define TRC_HVM_PF_XEN64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x01)
102 #define TRC_HVM_PF_INJECT (TRC_HVM_HANDLER + 0x02)
103 #define TRC_HVM_PF_INJECT64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x02)
104 #define TRC_HVM_INJ_EXC (TRC_HVM_HANDLER + 0x03)
105 #define TRC_HVM_INJ_VIRQ (TRC_HVM_HANDLER + 0x04)
106 #define TRC_HVM_REINJ_VIRQ (TRC_HVM_HANDLER + 0x05)
107 #define TRC_HVM_IO_READ (TRC_HVM_HANDLER + 0x06)
108 #define TRC_HVM_IO_WRITE (TRC_HVM_HANDLER + 0x07)
109 #define TRC_HVM_CR_READ (TRC_HVM_HANDLER + 0x08)
110 #define TRC_HVM_CR_READ64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x08)
111 #define TRC_HVM_CR_WRITE (TRC_HVM_HANDLER + 0x09)
112 #define TRC_HVM_CR_WRITE64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x09)
113 #define TRC_HVM_DR_READ (TRC_HVM_HANDLER + 0x0A)
114 #define TRC_HVM_DR_WRITE (TRC_HVM_HANDLER + 0x0B)
115 #define TRC_HVM_MSR_READ (TRC_HVM_HANDLER + 0x0C)
116 #define TRC_HVM_MSR_WRITE (TRC_HVM_HANDLER + 0x0D)
117 #define TRC_HVM_CPUID (TRC_HVM_HANDLER + 0x0E)
118 #define TRC_HVM_INTR (TRC_HVM_HANDLER + 0x0F)
119 #define TRC_HVM_NMI (TRC_HVM_HANDLER + 0x10)
120 #define TRC_HVM_SMI (TRC_HVM_HANDLER + 0x11)
121 #define TRC_HVM_VMMCALL (TRC_HVM_HANDLER + 0x12)
122 #define TRC_HVM_HLT (TRC_HVM_HANDLER + 0x13)
123 #define TRC_HVM_INVLPG (TRC_HVM_HANDLER + 0x14)
124 #define TRC_HVM_INVLPG64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x14)
125 #define TRC_HVM_MCE (TRC_HVM_HANDLER + 0x15)
126 #define TRC_HVM_IO_ASSIST (TRC_HVM_HANDLER + 0x16)
127 #define TRC_HVM_MMIO_ASSIST (TRC_HVM_HANDLER + 0x17)
128 #define TRC_HVM_CLTS (TRC_HVM_HANDLER + 0x18)
129 #define TRC_HVM_LMSW (TRC_HVM_HANDLER + 0x19)
130 #define TRC_HVM_LMSW64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x19)
132 /* This structure represents a single trace buffer record. */
133 struct t_rec {
134 uint32_t event:28;
135 uint32_t extra_u32:3; /* # entries in trailing extra_u32[] array */
136 uint32_t cycles_included:1; /* u.cycles or u.no_cycles? */
137 union {
138 struct {
139 uint32_t cycles_lo, cycles_hi; /* cycle counter timestamp */
140 uint32_t extra_u32[7]; /* event data items */
141 } cycles;
142 struct {
143 uint32_t extra_u32[7]; /* event data items */
144 } nocycles;
145 } u;
146 };
148 /*
149 * This structure contains the metadata for a single trace buffer. The head
150 * field, indexes into an array of struct t_rec's.
151 */
152 struct t_buf {
153 /* Assume the data buffer size is X. X is generally not a power of 2.
154 * CONS and PROD are incremented modulo (2*X):
155 * 0 <= cons < 2*X
156 * 0 <= prod < 2*X
157 * This is done because addition modulo X breaks at 2^32 when X is not a
158 * power of 2:
159 * (((2^32 - 1) % X) + 1) % X != (2^32) % X
160 */
161 uint32_t cons; /* Offset of next item to be consumed by control tools. */
162 uint32_t prod; /* Offset of next item to be produced by Xen. */
163 /* Records follow immediately after the meta-data header. */
164 };
166 #endif /* __XEN_PUBLIC_TRACE_H__ */
168 /*
169 * Local variables:
170 * mode: C
171 * c-set-style: "BSD"
172 * c-basic-offset: 4
173 * tab-width: 4
174 * indent-tabs-mode: nil
175 * End:
176 */