drivers/gpu/drm/i915/gvt/trace.h

   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
  42 TRACE_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
  72 TRACE_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
  97 TRACE_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
 115 TRACE_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
 134 TRACE_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
 152 TRACE_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
 171 TRACE_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
 190 TRACE_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
 208 TRACE_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
 228 TRACE_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>