1 /* AFS tracepoints 2 * 3 * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public Licence 8 * as published by the Free Software Foundation; either version 9 * 2 of the Licence, or (at your option) any later version. 10 */ 11 #undef TRACE_SYSTEM 12 #define TRACE_SYSTEM afs 13 14 #if !defined(_TRACE_AFS_H) || defined(TRACE_HEADER_MULTI_READ) 15 #define _TRACE_AFS_H 16 17 #include <linux/tracepoint.h> 18 19 /* 20 * Define enums for tracing information. 21 */ 22 #ifndef __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY 23 #define __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY 24 25 enum afs_call_trace { 26 afs_call_trace_alloc, 27 afs_call_trace_free, 28 afs_call_trace_put, 29 afs_call_trace_wake, 30 afs_call_trace_work, 31 }; 32 33 enum afs_fs_operation { 34 afs_FS_FetchData = 130, /* AFS Fetch file data */ 35 afs_FS_FetchStatus = 132, /* AFS Fetch file status */ 36 afs_FS_StoreData = 133, /* AFS Store file data */ 37 afs_FS_StoreStatus = 135, /* AFS Store file status */ 38 afs_FS_RemoveFile = 136, /* AFS Remove a file */ 39 afs_FS_CreateFile = 137, /* AFS Create a file */ 40 afs_FS_Rename = 138, /* AFS Rename or move a file or directory */ 41 afs_FS_Symlink = 139, /* AFS Create a symbolic link */ 42 afs_FS_Link = 140, /* AFS Create a hard link */ 43 afs_FS_MakeDir = 141, /* AFS Create a directory */ 44 afs_FS_RemoveDir = 142, /* AFS Remove a directory */ 45 afs_FS_GetVolumeInfo = 148, /* AFS Get information about a volume */ 46 afs_FS_GetVolumeStatus = 149, /* AFS Get volume status information */ 47 afs_FS_GetRootVolume = 151, /* AFS Get root volume name */ 48 afs_FS_SetLock = 156, /* AFS Request a file lock */ 49 afs_FS_ExtendLock = 157, /* AFS Extend a file lock */ 50 afs_FS_ReleaseLock = 158, /* AFS Release a file lock */ 51 afs_FS_Lookup = 161, /* AFS lookup file in directory */ 52 afs_FS_FetchData64 = 65537, /* AFS Fetch file data */ 53 afs_FS_StoreData64 = 65538, /* AFS Store file data */ 54 afs_FS_GiveUpAllCallBacks = 65539, /* AFS Give up all our callbacks on a server */ 55 afs_FS_GetCapabilities = 65540, /* AFS Get FS server capabilities */ 56 }; 57 58 enum afs_vl_operation { 59 afs_VL_GetEntryByNameU = 527, /* AFS Get Vol Entry By Name operation ID */ 60 afs_VL_GetAddrsU = 533, /* AFS Get FS server addresses */ 61 afs_YFSVL_GetEndpoints = 64002, /* YFS Get FS & Vol server addresses */ 62 afs_VL_GetCapabilities = 65537, /* AFS Get VL server capabilities */ 63 }; 64 65 #endif /* end __AFS_DECLARE_TRACE_ENUMS_ONCE_ONLY */ 66 67 /* 68 * Declare tracing information enums and their string mappings for display. 69 */ 70 #define afs_call_traces \ 71 EM(afs_call_trace_alloc, "ALLOC") \ 72 EM(afs_call_trace_free, "FREE ") \ 73 EM(afs_call_trace_put, "PUT ") \ 74 EM(afs_call_trace_wake, "WAKE ") \ 75 E_(afs_call_trace_work, "WORK ") 76 77 #define afs_fs_operations \ 78 EM(afs_FS_FetchData, "FS.FetchData") \ 79 EM(afs_FS_FetchStatus, "FS.FetchStatus") \ 80 EM(afs_FS_StoreData, "FS.StoreData") \ 81 EM(afs_FS_StoreStatus, "FS.StoreStatus") \ 82 EM(afs_FS_RemoveFile, "FS.RemoveFile") \ 83 EM(afs_FS_CreateFile, "FS.CreateFile") \ 84 EM(afs_FS_Rename, "FS.Rename") \ 85 EM(afs_FS_Symlink, "FS.Symlink") \ 86 EM(afs_FS_Link, "FS.Link") \ 87 EM(afs_FS_MakeDir, "FS.MakeDir") \ 88 EM(afs_FS_RemoveDir, "FS.RemoveDir") \ 89 EM(afs_FS_GetVolumeInfo, "FS.GetVolumeInfo") \ 90 EM(afs_FS_GetVolumeStatus, "FS.GetVolumeStatus") \ 91 EM(afs_FS_GetRootVolume, "FS.GetRootVolume") \ 92 EM(afs_FS_SetLock, "FS.SetLock") \ 93 EM(afs_FS_ExtendLock, "FS.ExtendLock") \ 94 EM(afs_FS_ReleaseLock, "FS.ReleaseLock") \ 95 EM(afs_FS_Lookup, "FS.Lookup") \ 96 EM(afs_FS_FetchData64, "FS.FetchData64") \ 97 EM(afs_FS_StoreData64, "FS.StoreData64") \ 98 EM(afs_FS_GiveUpAllCallBacks, "FS.GiveUpAllCallBacks") \ 99 E_(afs_FS_GetCapabilities, "FS.GetCapabilities") 100 101 #define afs_vl_operations \ 102 EM(afs_VL_GetEntryByNameU, "VL.GetEntryByNameU") \ 103 EM(afs_VL_GetAddrsU, "VL.GetAddrsU") \ 104 EM(afs_YFSVL_GetEndpoints, "YFSVL.GetEndpoints") \ 105 E_(afs_VL_GetCapabilities, "VL.GetCapabilities") 106 107 108 /* 109 * Export enum symbols via userspace. 110 */ 111 #undef EM 112 #undef E_ 113 #define EM(a, b) TRACE_DEFINE_ENUM(a); 114 #define E_(a, b) TRACE_DEFINE_ENUM(a); 115 116 afs_call_traces; 117 afs_fs_operations; 118 afs_vl_operations; 119 120 /* 121 * Now redefine the EM() and E_() macros to map the enums to the strings that 122 * will be printed in the output. 123 */ 124 #undef EM 125 #undef E_ 126 #define EM(a, b) { a, b }, 127 #define E_(a, b) { a, b } 128 129 TRACE_EVENT(afs_recv_data, 130 TP_PROTO(struct afs_call *call, unsigned count, unsigned offset, 131 bool want_more, int ret), 132 133 TP_ARGS(call, count, offset, want_more, ret), 134 135 TP_STRUCT__entry( 136 __field(unsigned int, call ) 137 __field(enum afs_call_state, state ) 138 __field(unsigned int, count ) 139 __field(unsigned int, offset ) 140 __field(unsigned short, unmarshall ) 141 __field(bool, want_more ) 142 __field(int, ret ) 143 ), 144 145 TP_fast_assign( 146 __entry->call = call->debug_id; 147 __entry->state = call->state; 148 __entry->unmarshall = call->unmarshall; 149 __entry->count = count; 150 __entry->offset = offset; 151 __entry->want_more = want_more; 152 __entry->ret = ret; 153 ), 154 155 TP_printk("c=%08x s=%u u=%u %u/%u wm=%u ret=%d", 156 __entry->call, 157 __entry->state, __entry->unmarshall, 158 __entry->offset, __entry->count, 159 __entry->want_more, __entry->ret) 160 ); 161 162 TRACE_EVENT(afs_notify_call, 163 TP_PROTO(struct rxrpc_call *rxcall, struct afs_call *call), 164 165 TP_ARGS(rxcall, call), 166 167 TP_STRUCT__entry( 168 __field(unsigned int, call ) 169 __field(enum afs_call_state, state ) 170 __field(unsigned short, unmarshall ) 171 ), 172 173 TP_fast_assign( 174 __entry->call = call->debug_id; 175 __entry->state = call->state; 176 __entry->unmarshall = call->unmarshall; 177 ), 178 179 TP_printk("c=%08x s=%u u=%u", 180 __entry->call, 181 __entry->state, __entry->unmarshall) 182 ); 183 184 TRACE_EVENT(afs_cb_call, 185 TP_PROTO(struct afs_call *call), 186 187 TP_ARGS(call), 188 189 TP_STRUCT__entry( 190 __field(unsigned int, call ) 191 __field(const char *, name ) 192 __field(u32, op ) 193 ), 194 195 TP_fast_assign( 196 __entry->call = call->debug_id; 197 __entry->name = call->type->name; 198 __entry->op = call->operation_ID; 199 ), 200 201 TP_printk("c=%08x %s o=%u", 202 __entry->call, 203 __entry->name, 204 __entry->op) 205 ); 206 207 TRACE_EVENT(afs_call, 208 TP_PROTO(struct afs_call *call, enum afs_call_trace op, 209 int usage, int outstanding, const void *where), 210 211 TP_ARGS(call, op, usage, outstanding, where), 212 213 TP_STRUCT__entry( 214 __field(unsigned int, call ) 215 __field(int, op ) 216 __field(int, usage ) 217 __field(int, outstanding ) 218 __field(const void *, where ) 219 ), 220 221 TP_fast_assign( 222 __entry->call = call->debug_id; 223 __entry->op = op; 224 __entry->usage = usage; 225 __entry->outstanding = outstanding; 226 __entry->where = where; 227 ), 228 229 TP_printk("c=%08x %s u=%d o=%d sp=%pSR", 230 __entry->call, 231 __print_symbolic(__entry->op, afs_call_traces), 232 __entry->usage, 233 __entry->outstanding, 234 __entry->where) 235 ); 236 237 TRACE_EVENT(afs_make_fs_call, 238 TP_PROTO(struct afs_call *call, const struct afs_fid *fid), 239 240 TP_ARGS(call, fid), 241 242 TP_STRUCT__entry( 243 __field(unsigned int, call ) 244 __field(enum afs_fs_operation, op ) 245 __field_struct(struct afs_fid, fid ) 246 ), 247 248 TP_fast_assign( 249 __entry->call = call->debug_id; 250 __entry->op = call->operation_ID; 251 if (fid) { 252 __entry->fid = *fid; 253 } else { 254 __entry->fid.vid = 0; 255 __entry->fid.vnode = 0; 256 __entry->fid.unique = 0; 257 } 258 ), 259 260 TP_printk("c=%08x %06x:%06x:%06x %s", 261 __entry->call, 262 __entry->fid.vid, 263 __entry->fid.vnode, 264 __entry->fid.unique, 265 __print_symbolic(__entry->op, afs_fs_operations)) 266 ); 267 268 TRACE_EVENT(afs_make_vl_call, 269 TP_PROTO(struct afs_call *call), 270 271 TP_ARGS(call), 272 273 TP_STRUCT__entry( 274 __field(unsigned int, call ) 275 __field(enum afs_vl_operation, op ) 276 ), 277 278 TP_fast_assign( 279 __entry->call = call->debug_id; 280 __entry->op = call->operation_ID; 281 ), 282 283 TP_printk("c=%08x %s", 284 __entry->call, 285 __print_symbolic(__entry->op, afs_vl_operations)) 286 ); 287 288 TRACE_EVENT(afs_call_done, 289 TP_PROTO(struct afs_call *call), 290 291 TP_ARGS(call), 292 293 TP_STRUCT__entry( 294 __field(unsigned int, call ) 295 __field(struct rxrpc_call *, rx_call ) 296 __field(int, ret ) 297 __field(u32, abort_code ) 298 ), 299 300 TP_fast_assign( 301 __entry->call = call->debug_id; 302 __entry->rx_call = call->rxcall; 303 __entry->ret = call->error; 304 __entry->abort_code = call->abort_code; 305 ), 306 307 TP_printk(" c=%08x ret=%d ab=%d [%p]", 308 __entry->call, 309 __entry->ret, 310 __entry->abort_code, 311 __entry->rx_call) 312 ); 313 314 TRACE_EVENT(afs_send_pages, 315 TP_PROTO(struct afs_call *call, struct msghdr *msg, 316 pgoff_t first, pgoff_t last, unsigned int offset), 317 318 TP_ARGS(call, msg, first, last, offset), 319 320 TP_STRUCT__entry( 321 __field(unsigned int, call ) 322 __field(pgoff_t, first ) 323 __field(pgoff_t, last ) 324 __field(unsigned int, nr ) 325 __field(unsigned int, bytes ) 326 __field(unsigned int, offset ) 327 __field(unsigned int, flags ) 328 ), 329 330 TP_fast_assign( 331 __entry->call = call->debug_id; 332 __entry->first = first; 333 __entry->last = last; 334 __entry->nr = msg->msg_iter.nr_segs; 335 __entry->bytes = msg->msg_iter.count; 336 __entry->offset = offset; 337 __entry->flags = msg->msg_flags; 338 ), 339 340 TP_printk(" c=%08x %lx-%lx-%lx b=%x o=%x f=%x", 341 __entry->call, 342 __entry->first, __entry->first + __entry->nr - 1, __entry->last, 343 __entry->bytes, __entry->offset, 344 __entry->flags) 345 ); 346 347 TRACE_EVENT(afs_sent_pages, 348 TP_PROTO(struct afs_call *call, pgoff_t first, pgoff_t last, 349 pgoff_t cursor, int ret), 350 351 TP_ARGS(call, first, last, cursor, ret), 352 353 TP_STRUCT__entry( 354 __field(unsigned int, call ) 355 __field(pgoff_t, first ) 356 __field(pgoff_t, last ) 357 __field(pgoff_t, cursor ) 358 __field(int, ret ) 359 ), 360 361 TP_fast_assign( 362 __entry->call = call->debug_id; 363 __entry->first = first; 364 __entry->last = last; 365 __entry->cursor = cursor; 366 __entry->ret = ret; 367 ), 368 369 TP_printk(" c=%08x %lx-%lx c=%lx r=%d", 370 __entry->call, 371 __entry->first, __entry->last, 372 __entry->cursor, __entry->ret) 373 ); 374 375 TRACE_EVENT(afs_dir_check_failed, 376 TP_PROTO(struct afs_vnode *vnode, loff_t off, loff_t i_size), 377 378 TP_ARGS(vnode, off, i_size), 379 380 TP_STRUCT__entry( 381 __field(struct afs_vnode *, vnode ) 382 __field(loff_t, off ) 383 __field(loff_t, i_size ) 384 ), 385 386 TP_fast_assign( 387 __entry->vnode = vnode; 388 __entry->off = off; 389 __entry->i_size = i_size; 390 ), 391 392 TP_printk("vn=%p %llx/%llx", 393 __entry->vnode, __entry->off, __entry->i_size) 394 ); 395 396 /* 397 * We use page->private to hold the amount of the page that we've written to, 398 * splitting the field into two parts. However, we need to represent a range 399 * 0...PAGE_SIZE inclusive, so we can't support 64K pages on a 32-bit system. 400 */ 401 #if PAGE_SIZE > 32768 402 #define AFS_PRIV_MAX 0xffffffff 403 #define AFS_PRIV_SHIFT 32 404 #else 405 #define AFS_PRIV_MAX 0xffff 406 #define AFS_PRIV_SHIFT 16 407 #endif 408 409 TRACE_EVENT(afs_page_dirty, 410 TP_PROTO(struct afs_vnode *vnode, const char *where, 411 pgoff_t page, unsigned long priv), 412 413 TP_ARGS(vnode, where, page, priv), 414 415 TP_STRUCT__entry( 416 __field(struct afs_vnode *, vnode ) 417 __field(const char *, where ) 418 __field(pgoff_t, page ) 419 __field(unsigned long, priv ) 420 ), 421 422 TP_fast_assign( 423 __entry->vnode = vnode; 424 __entry->where = where; 425 __entry->page = page; 426 __entry->priv = priv; 427 ), 428 429 TP_printk("vn=%p %lx %s %lu-%lu", 430 __entry->vnode, __entry->page, __entry->where, 431 __entry->priv & AFS_PRIV_MAX, 432 __entry->priv >> AFS_PRIV_SHIFT) 433 ); 434 435 TRACE_EVENT(afs_call_state, 436 TP_PROTO(struct afs_call *call, 437 enum afs_call_state from, 438 enum afs_call_state to, 439 int ret, u32 remote_abort), 440 441 TP_ARGS(call, from, to, ret, remote_abort), 442 443 TP_STRUCT__entry( 444 __field(unsigned int, call ) 445 __field(enum afs_call_state, from ) 446 __field(enum afs_call_state, to ) 447 __field(int, ret ) 448 __field(u32, abort ) 449 ), 450 451 TP_fast_assign( 452 __entry->call = call->debug_id; 453 __entry->from = from; 454 __entry->to = to; 455 __entry->ret = ret; 456 __entry->abort = remote_abort; 457 ), 458 459 TP_printk("c=%08x %u->%u r=%d ab=%d", 460 __entry->call, 461 __entry->from, __entry->to, 462 __entry->ret, __entry->abort) 463 ); 464 465 #endif /* _TRACE_AFS_H */ 466 467 /* This part must be outside protection */ 468 #include <trace/define_trace.h> 469