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1/*
2 * Copyright © 2011-2016 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Jike Song <jike.song@intel.com>
25 *
26 * Contributors:
27 * Zhi Wang <zhi.a.wang@intel.com>
28 *
29 */
30
31#if !defined(_GVT_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
32#define _GVT_TRACE_H_
33
34#include <linux/types.h>
35#include <linux/stringify.h>
36#include <linux/tracepoint.h>
37#include <asm/tsc.h>
38
39#undef TRACE_SYSTEM
40#define TRACE_SYSTEM gvt
41
42TRACE_EVENT(spt_alloc,
43 TP_PROTO(int id, void *spt, int type, unsigned long mfn,
44 unsigned long gpt_gfn),
45
46 TP_ARGS(id, spt, type, mfn, gpt_gfn),
47
48 TP_STRUCT__entry(
49 __field(int, id)
50 __field(void *, spt)
51 __field(int, type)
52 __field(unsigned long, mfn)
53 __field(unsigned long, gpt_gfn)
54 ),
55
56 TP_fast_assign(
57 __entry->id = id;
58 __entry->spt = spt;
59 __entry->type = type;
60 __entry->mfn = mfn;
61 __entry->gpt_gfn = gpt_gfn;
62 ),
63
64 TP_printk("VM%d [alloc] spt %p type %d mfn 0x%lx gfn 0x%lx\n",
65 __entry->id,
66 __entry->spt,
67 __entry->type,
68 __entry->mfn,
69 __entry->gpt_gfn)
70);
71
72TRACE_EVENT(spt_free,
73 TP_PROTO(int id, void *spt, int type),
74
75 TP_ARGS(id, spt, type),
76
77 TP_STRUCT__entry(
78 __field(int, id)
79 __field(void *, spt)
80 __field(int, type)
81 ),
82
83 TP_fast_assign(
84 __entry->id = id;
85 __entry->spt = spt;
86 __entry->type = type;
87 ),
88
89 TP_printk("VM%u [free] spt %p type %d\n",
90 __entry->id,
91 __entry->spt,
92 __entry->type)
93);
94
95#define MAX_BUF_LEN 256
96
97TRACE_EVENT(gma_index,
98 TP_PROTO(const char *prefix, unsigned long gma,
99 unsigned long index),
100
101 TP_ARGS(prefix, gma, index),
102
103 TP_STRUCT__entry(
104 __array(char, buf, MAX_BUF_LEN)
105 ),
106
107 TP_fast_assign(
108 snprintf(__entry->buf, MAX_BUF_LEN,
109 "%s gma 0x%lx index 0x%lx\n", prefix, gma, index);
110 ),
111
112 TP_printk("%s", __entry->buf)
113);
114
115TRACE_EVENT(gma_translate,
116 TP_PROTO(int id, char *type, int ring_id, int pt_level,
117 unsigned long gma, unsigned long gpa),
118
119 TP_ARGS(id, type, ring_id, pt_level, gma, gpa),
120
121 TP_STRUCT__entry(
122 __array(char, buf, MAX_BUF_LEN)
123 ),
124
125 TP_fast_assign(
126 snprintf(__entry->buf, MAX_BUF_LEN,
127 "VM%d %s ring %d pt_level %d gma 0x%lx -> gpa 0x%lx\n",
128 id, type, ring_id, pt_level, gma, gpa);
129 ),
130
131 TP_printk("%s", __entry->buf)
132);
133
134TRACE_EVENT(spt_refcount,
135 TP_PROTO(int id, char *action, void *spt, int before, int after),
136
137 TP_ARGS(id, action, spt, before, after),
138
139 TP_STRUCT__entry(
140 __array(char, buf, MAX_BUF_LEN)
141 ),
142
143 TP_fast_assign(
144 snprintf(__entry->buf, MAX_BUF_LEN,
145 "VM%d [%s] spt %p before %d -> after %d\n",
146 id, action, spt, before, after);
147 ),
148
149 TP_printk("%s", __entry->buf)
150);
151
152TRACE_EVENT(spt_change,
153 TP_PROTO(int id, char *action, void *spt, unsigned long gfn,
154 int type),
155
156 TP_ARGS(id, action, spt, gfn, type),
157
158 TP_STRUCT__entry(
159 __array(char, buf, MAX_BUF_LEN)
160 ),
161
162 TP_fast_assign(
163 snprintf(__entry->buf, MAX_BUF_LEN,
164 "VM%d [%s] spt %p gfn 0x%lx type %d\n",
165 id, action, spt, gfn, type);
166 ),
167
168 TP_printk("%s", __entry->buf)
169);
170
171TRACE_EVENT(gpt_change,
172 TP_PROTO(int id, const char *tag, void *spt, int type, u64 v,
173 unsigned long index),
174
175 TP_ARGS(id, tag, spt, type, v, index),
176
177 TP_STRUCT__entry(
178 __array(char, buf, MAX_BUF_LEN)
179 ),
180
181 TP_fast_assign(
182 snprintf(__entry->buf, MAX_BUF_LEN,
183 "VM%d [%s] spt %p type %d entry 0x%llx index 0x%lx\n",
184 id, tag, spt, type, v, index);
185 ),
186
187 TP_printk("%s", __entry->buf)
188);
189
190TRACE_EVENT(oos_change,
191 TP_PROTO(int id, const char *tag, int page_id, void *gpt, int type),
192
193 TP_ARGS(id, tag, page_id, gpt, type),
194
195 TP_STRUCT__entry(
196 __array(char, buf, MAX_BUF_LEN)
197 ),
198
199 TP_fast_assign(
200 snprintf(__entry->buf, MAX_BUF_LEN,
201 "VM%d [oos %s] page id %d gpt %p type %d\n",
202 id, tag, page_id, gpt, type);
203 ),
204
205 TP_printk("%s", __entry->buf)
206);
207
208TRACE_EVENT(oos_sync,
209 TP_PROTO(int id, int page_id, void *gpt, int type, u64 v,
210 unsigned long index),
211
212 TP_ARGS(id, page_id, gpt, type, v, index),
213
214 TP_STRUCT__entry(
215 __array(char, buf, MAX_BUF_LEN)
216 ),
217
218 TP_fast_assign(
219 snprintf(__entry->buf, MAX_BUF_LEN,
220 "VM%d [oos sync] page id %d gpt %p type %d entry 0x%llx index 0x%lx\n",
221 id, page_id, gpt, type, v, index);
222 ),
223
224 TP_printk("%s", __entry->buf)
225);
226
227#define MAX_CMD_STR_LEN 256
228TRACE_EVENT(gvt_command,
229 TP_PROTO(u8 vm_id, u8 ring_id, u32 ip_gma, u32 *cmd_va, u32 cmd_len, bool ring_buffer_cmd, cycles_t cost_pre_cmd_handler, cycles_t cost_cmd_handler),
230
231 TP_ARGS(vm_id, ring_id, ip_gma, cmd_va, cmd_len, ring_buffer_cmd, cost_pre_cmd_handler, cost_cmd_handler),
232
233 TP_STRUCT__entry(
234 __field(u8, vm_id)
235 __field(u8, ring_id)
236 __field(int, i)
237 __array(char, tmp_buf, MAX_CMD_STR_LEN)
238 __array(char, cmd_str, MAX_CMD_STR_LEN)
239 ),
240
241 TP_fast_assign(
242 __entry->vm_id = vm_id;
243 __entry->ring_id = ring_id;
244 __entry->cmd_str[0] = '\0';
245 snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "VM(%d) Ring(%d): %s ip(%08x) pre handler cost (%llu), handler cost (%llu) ", vm_id, ring_id, ring_buffer_cmd ? "RB":"BB", ip_gma, cost_pre_cmd_handler, cost_cmd_handler);
246 strcat(__entry->cmd_str, __entry->tmp_buf);
247 entry->i = 0;
248 while (cmd_len > 0) {
249 if (cmd_len >= 8) {
250 snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x %08x %08x %08x %08x %08x %08x %08x ",
251 cmd_va[__entry->i], cmd_va[__entry->i+1], cmd_va[__entry->i+2], cmd_va[__entry->i+3],
252 cmd_va[__entry->i+4], cmd_va[__entry->i+5], cmd_va[__entry->i+6], cmd_va[__entry->i+7]);
253 __entry->i += 8;
254 cmd_len -= 8;
255 strcat(__entry->cmd_str, __entry->tmp_buf);
256 } else if (cmd_len >= 4) {
257 snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x %08x %08x %08x ",
258 cmd_va[__entry->i], cmd_va[__entry->i+1], cmd_va[__entry->i+2], cmd_va[__entry->i+3]);
259 __entry->i += 4;
260 cmd_len -= 4;
261 strcat(__entry->cmd_str, __entry->tmp_buf);
262 } else if (cmd_len >= 2) {
263 snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x %08x ", cmd_va[__entry->i], cmd_va[__entry->i+1]);
264 __entry->i += 2;
265 cmd_len -= 2;
266 strcat(__entry->cmd_str, __entry->tmp_buf);
267 } else if (cmd_len == 1) {
268 snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x ", cmd_va[__entry->i]);
269 __entry->i += 1;
270 cmd_len -= 1;
271 strcat(__entry->cmd_str, __entry->tmp_buf);
272 }
273 }
274 strcat(__entry->cmd_str, "\n");
275 ),
276
277 TP_printk("%s", __entry->cmd_str)
278);
279#endif /* _GVT_TRACE_H_ */
280
281/* This part must be out of protection */
282#undef TRACE_INCLUDE_PATH
283#define TRACE_INCLUDE_PATH .
284#undef TRACE_INCLUDE_FILE
285#define TRACE_INCLUDE_FILE trace
286#include <trace/define_trace.h>