2 Unix SMB/CIFS implementation.
3 store smbd profiling information in shared memory
4 Copyright (C) Andrew Tridgell 1999
5 Copyright (C) James Peach 2006
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "librpc/gen_ndr/messaging.h"
27 #define IPC_PERMS ((S_IRUSR | S_IWUSR) | S_IRGRP | S_IROTH)
28 #endif /* WITH_PROFILE */
32 static bool read_only;
35 struct profile_header *profile_h;
36 struct profile_stats *profile_p;
38 bool do_profile_flag = False;
39 bool do_profile_times = False;
41 /****************************************************************************
42 Set a profiling level.
43 ****************************************************************************/
44 void set_profile_level(int level, struct server_id src)
48 case 0: /* turn off profiling */
49 do_profile_flag = False;
50 do_profile_times = False;
51 DEBUG(1,("INFO: Profiling turned OFF from pid %d\n",
52 (int)procid_to_pid(&src)));
54 case 1: /* turn on counter profiling only */
55 do_profile_flag = True;
56 do_profile_times = False;
57 DEBUG(1,("INFO: Profiling counts turned ON from pid %d\n",
58 (int)procid_to_pid(&src)));
60 case 2: /* turn on complete profiling */
61 do_profile_flag = True;
62 do_profile_times = True;
63 DEBUG(1,("INFO: Full profiling turned ON from pid %d\n",
64 (int)procid_to_pid(&src)));
66 case 3: /* reset profile values */
67 memset((char *)profile_p, 0, sizeof(*profile_p));
68 DEBUG(1,("INFO: Profiling values cleared from pid %d\n",
69 (int)procid_to_pid(&src)));
72 #else /* WITH_PROFILE */
73 DEBUG(1,("INFO: Profiling support unavailable in this build.\n"));
74 #endif /* WITH_PROFILE */
79 /****************************************************************************
80 receive a set profile level message
81 ****************************************************************************/
82 static void profile_message(struct messaging_context *msg_ctx,
90 if (data->length != sizeof(level)) {
91 DEBUG(0, ("got invalid profile message\n"));
95 memcpy(&level, data->data, sizeof(level));
96 set_profile_level(level, src);
99 /****************************************************************************
100 receive a request profile level message
101 ****************************************************************************/
102 static void reqprofile_message(struct messaging_context *msg_ctx,
105 struct server_id src,
111 level = 1 + (do_profile_flag?2:0) + (do_profile_times?4:0);
115 DEBUG(1,("INFO: Received REQ_PROFILELEVEL message from PID %u\n",
116 (unsigned int)procid_to_pid(&src)));
117 messaging_send_buf(msg_ctx, src, MSG_PROFILELEVEL,
118 (uint8 *)&level, sizeof(level));
121 /*******************************************************************
122 open the profiling shared memory area
123 ******************************************************************/
124 bool profile_setup(struct messaging_context *msg_ctx, bool rdonly)
126 struct shmid_ds shm_ds;
131 /* try to use an existing key */
132 shm_id = shmget(PROF_SHMEM_KEY, 0, 0);
134 /* if that failed then create one. There is a race condition here
135 if we are running from inetd. Bad luck. */
137 if (read_only) return False;
138 shm_id = shmget(PROF_SHMEM_KEY, sizeof(*profile_h),
139 IPC_CREAT | IPC_EXCL | IPC_PERMS);
143 DEBUG(0,("Can't create or use IPC area. Error was %s\n",
149 profile_h = (struct profile_header *)shmat(shm_id, 0,
150 read_only?SHM_RDONLY:0);
151 if ((long)profile_h == -1) {
152 DEBUG(0,("Can't attach to IPC area. Error was %s\n",
157 /* find out who created this memory area */
158 if (shmctl(shm_id, IPC_STAT, &shm_ds) != 0) {
159 DEBUG(0,("ERROR shmctl : can't IPC_STAT. Error was %s\n",
164 if (shm_ds.shm_perm.cuid != sec_initial_uid() ||
165 shm_ds.shm_perm.cgid != sec_initial_gid()) {
166 DEBUG(0,("ERROR: we did not create the shmem "
167 "(owned by another user, uid %u, gid %u)\n",
168 shm_ds.shm_perm.cuid,
169 shm_ds.shm_perm.cgid));
173 if (shm_ds.shm_segsz != sizeof(*profile_h)) {
174 DEBUG(0,("WARNING: profile size is %d (expected %d). Deleting\n",
175 (int)shm_ds.shm_segsz, (int)sizeof(*profile_h)));
176 if (shmctl(shm_id, IPC_RMID, &shm_ds) == 0) {
183 if (!read_only && (shm_ds.shm_nattch == 1)) {
184 memset((char *)profile_h, 0, sizeof(*profile_h));
185 profile_h->prof_shm_magic = PROF_SHM_MAGIC;
186 profile_h->prof_shm_version = PROF_SHM_VERSION;
187 DEBUG(3,("Initialised profile area\n"));
190 profile_p = &profile_h->stats;
191 if (msg_ctx != NULL) {
192 messaging_register(msg_ctx, NULL, MSG_PROFILE,
194 messaging_register(msg_ctx, NULL, MSG_REQ_PROFILELEVEL,
200 const char * profile_value_name(enum profile_stats_values val)
202 static const char * valnames[PR_VALUE_MAX + 1] =
204 "smbd_idle", /* PR_VALUE_SMBD_IDLE */
205 "syscall_opendir", /* PR_VALUE_SYSCALL_OPENDIR */
206 "syscall_readdir", /* PR_VALUE_SYSCALL_READDIR */
207 "syscall_seekdir", /* PR_VALUE_SYSCALL_SEEKDIR */
208 "syscall_telldir", /* PR_VALUE_SYSCALL_TELLDIR */
209 "syscall_rewinddir", /* PR_VALUE_SYSCALL_REWINDDIR */
210 "syscall_mkdir", /* PR_VALUE_SYSCALL_MKDIR */
211 "syscall_rmdir", /* PR_VALUE_SYSCALL_RMDIR */
212 "syscall_closedir", /* PR_VALUE_SYSCALL_CLOSEDIR */
213 "syscall_open", /* PR_VALUE_SYSCALL_OPEN */
214 "syscall_createfile", /* PR_VALUE_SYSCALL_CREATEFILE */
215 "syscall_close", /* PR_VALUE_SYSCALL_CLOSE */
216 "syscall_read", /* PR_VALUE_SYSCALL_READ */
217 "syscall_pread", /* PR_VALUE_SYSCALL_PREAD */
218 "syscall_write", /* PR_VALUE_SYSCALL_WRITE */
219 "syscall_pwrite", /* PR_VALUE_SYSCALL_PWRITE */
220 "syscall_lseek", /* PR_VALUE_SYSCALL_LSEEK */
221 "syscall_sendfile", /* PR_VALUE_SYSCALL_SENDFILE */
222 "syscall_recvfile", /* PR_VALUE_SYSCALL_RECVFILE */
223 "syscall_rename", /* PR_VALUE_SYSCALL_RENAME */
224 "syscall_rename_at", /* PR_VALUE_SYSCALL_RENAME_AT */
225 "syscall_fsync", /* PR_VALUE_SYSCALL_FSYNC */
226 "syscall_stat", /* PR_VALUE_SYSCALL_STAT */
227 "syscall_fstat", /* PR_VALUE_SYSCALL_FSTAT */
228 "syscall_lstat", /* PR_VALUE_SYSCALL_LSTAT */
229 "syscall_unlink", /* PR_VALUE_SYSCALL_UNLINK */
230 "syscall_chmod", /* PR_VALUE_SYSCALL_CHMOD */
231 "syscall_fchmod", /* PR_VALUE_SYSCALL_FCHMOD */
232 "syscall_chown", /* PR_VALUE_SYSCALL_CHOWN */
233 "syscall_fchown", /* PR_VALUE_SYSCALL_FCHOWN */
234 "syscall_chdir", /* PR_VALUE_SYSCALL_CHDIR */
235 "syscall_getwd", /* PR_VALUE_SYSCALL_GETWD */
236 "syscall_ntimes", /* PR_VALUE_SYSCALL_NTIMES */
237 "syscall_ftruncate", /* PR_VALUE_SYSCALL_FTRUNCATE */
238 "syscall_fallocate", /* PR_VALUE_SYSCALL_FALLOCATE */
239 "syscall_fcntl_lock", /* PR_VALUE_SYSCALL_FCNTL_LOCK */
240 "syscall_kernel_flock", /* PR_VALUE_SYSCALL_KERNEL_FLOCK */
241 "syscall_linux_setlease", /* PR_VALUE_SYSCALL_LINUX_SETLEASE */
242 "syscall_fcntl_getlock", /* PR_VALUE_SYSCALL_FCNTL_GETLOCK */
243 "syscall_readlink", /* PR_VALUE_SYSCALL_READLINK */
244 "syscall_symlink", /* PR_VALUE_SYSCALL_SYMLINK */
245 "syscall_link", /* PR_VALUE_SYSCALL_LINK */
246 "syscall_mknod", /* PR_VALUE_SYSCALL_MKNOD */
247 "syscall_realpath", /* PR_VALUE_SYSCALL_REALPATH */
248 "syscall_get_quota", /* PR_VALUE_SYSCALL_GET_QUOTA */
249 "syscall_set_quota", /* PR_VALUE_SYSCALL_SET_QUOTA */
250 "syscall_get_sd", /* PR_VALUE_SYSCALL_GET_SD */
251 "syscall_set_sd", /* PR_VALUE_SYSCALL_SET_SD */
252 "syscall_brl_lock", /* PR_VALUE_SYSCALL_BRL_LOCK */
253 "syscall_brl_unlock", /* PR_VALUE_SYSCALL_BRL_UNLOCK */
254 "syscall_brl_cancel", /* PR_VALUE_SYSCALL_BRL_CANCEL */
255 "SMBmkdir", /* PR_VALUE_SMBMKDIR */
256 "SMBrmdir", /* PR_VALUE_SMBRMDIR */
257 "SMBopen", /* PR_VALUE_SMBOPEN */
258 "SMBcreate", /* PR_VALUE_SMBCREATE */
259 "SMBclose", /* PR_VALUE_SMBCLOSE */
260 "SMBflush", /* PR_VALUE_SMBFLUSH */
261 "SMBunlink", /* PR_VALUE_SMBUNLINK */
262 "SMBmv", /* PR_VALUE_SMBMV */
263 "SMBgetatr", /* PR_VALUE_SMBGETATR */
264 "SMBsetatr", /* PR_VALUE_SMBSETATR */
265 "SMBread", /* PR_VALUE_SMBREAD */
266 "SMBwrite", /* PR_VALUE_SMBWRITE */
267 "SMBlock", /* PR_VALUE_SMBLOCK */
268 "SMBunlock", /* PR_VALUE_SMBUNLOCK */
269 "SMBctemp", /* PR_VALUE_SMBCTEMP */
270 "SMBmknew", /* PR_VALUE_SMBMKNEW */
271 "SMBcheckpath", /* PR_VALUE_SMBCHECKPATH */
272 "SMBexit", /* PR_VALUE_SMBEXIT */
273 "SMBlseek", /* PR_VALUE_SMBLSEEK */
274 "SMBlockread", /* PR_VALUE_SMBLOCKREAD */
275 "SMBwriteunlock", /* PR_VALUE_SMBWRITEUNLOCK */
276 "SMBreadbraw", /* PR_VALUE_SMBREADBRAW */
277 "SMBreadBmpx", /* PR_VALUE_SMBREADBMPX */
278 "SMBreadBs", /* PR_VALUE_SMBREADBS */
279 "SMBwritebraw", /* PR_VALUE_SMBWRITEBRAW */
280 "SMBwriteBmpx", /* PR_VALUE_SMBWRITEBMPX */
281 "SMBwriteBs", /* PR_VALUE_SMBWRITEBS */
282 "SMBwritec", /* PR_VALUE_SMBWRITEC */
283 "SMBsetattrE", /* PR_VALUE_SMBSETATTRE */
284 "SMBgetattrE", /* PR_VALUE_SMBGETATTRE */
285 "SMBlockingX", /* PR_VALUE_SMBLOCKINGX */
286 "SMBtrans", /* PR_VALUE_SMBTRANS */
287 "SMBtranss", /* PR_VALUE_SMBTRANSS */
288 "SMBioctl", /* PR_VALUE_SMBIOCTL */
289 "SMBioctls", /* PR_VALUE_SMBIOCTLS */
290 "SMBcopy", /* PR_VALUE_SMBCOPY */
291 "SMBmove", /* PR_VALUE_SMBMOVE */
292 "SMBecho", /* PR_VALUE_SMBECHO */
293 "SMBwriteclose", /* PR_VALUE_SMBWRITECLOSE */
294 "SMBopenX", /* PR_VALUE_SMBOPENX */
295 "SMBreadX", /* PR_VALUE_SMBREADX */
296 "SMBwriteX", /* PR_VALUE_SMBWRITEX */
297 "SMBtrans2", /* PR_VALUE_SMBTRANS2 */
298 "SMBtranss2", /* PR_VALUE_SMBTRANSS2 */
299 "SMBfindclose", /* PR_VALUE_SMBFINDCLOSE */
300 "SMBfindnclose", /* PR_VALUE_SMBFINDNCLOSE */
301 "SMBtcon", /* PR_VALUE_SMBTCON */
302 "SMBtdis", /* PR_VALUE_SMBTDIS */
303 "SMBnegprot", /* PR_VALUE_SMBNEGPROT */
304 "SMBsesssetupX", /* PR_VALUE_SMBSESSSETUPX */
305 "SMBulogoffX", /* PR_VALUE_SMBULOGOFFX */
306 "SMBtconX", /* PR_VALUE_SMBTCONX */
307 "SMBdskattr", /* PR_VALUE_SMBDSKATTR */
308 "SMBsearch", /* PR_VALUE_SMBSEARCH */
309 "SMBffirst", /* PR_VALUE_SMBFFIRST */
310 "SMBfunique", /* PR_VALUE_SMBFUNIQUE */
311 "SMBfclose", /* PR_VALUE_SMBFCLOSE */
312 "SMBnttrans", /* PR_VALUE_SMBNTTRANS */
313 "SMBnttranss", /* PR_VALUE_SMBNTTRANSS */
314 "SMBntcreateX", /* PR_VALUE_SMBNTCREATEX */
315 "SMBntcancel", /* PR_VALUE_SMBNTCANCEL */
316 "SMBntrename", /* PR_VALUE_SMBNTRENAME */
317 "SMBsplopen", /* PR_VALUE_SMBSPLOPEN */
318 "SMBsplwr", /* PR_VALUE_SMBSPLWR */
319 "SMBsplclose", /* PR_VALUE_SMBSPLCLOSE */
320 "SMBsplretq", /* PR_VALUE_SMBSPLRETQ */
321 "SMBsends", /* PR_VALUE_SMBSENDS */
322 "SMBsendb", /* PR_VALUE_SMBSENDB */
323 "SMBfwdname", /* PR_VALUE_SMBFWDNAME */
324 "SMBcancelf", /* PR_VALUE_SMBCANCELF */
325 "SMBgetmac", /* PR_VALUE_SMBGETMAC */
326 "SMBsendstrt", /* PR_VALUE_SMBSENDSTRT */
327 "SMBsendend", /* PR_VALUE_SMBSENDEND */
328 "SMBsendtxt", /* PR_VALUE_SMBSENDTXT */
329 "SMBinvalid", /* PR_VALUE_SMBINVALID */
330 "pathworks_setdir", /* PR_VALUE_PATHWORKS_SETDIR */
331 "Trans2_open", /* PR_VALUE_TRANS2_OPEN */
332 "Trans2_findfirst", /* PR_VALUE_TRANS2_FINDFIRST */
333 "Trans2_findnext", /* PR_VALUE_TRANS2_FINDNEXT */
334 "Trans2_qfsinfo", /* PR_VALUE_TRANS2_QFSINFO */
335 "Trans2_setfsinfo", /* PR_VALUE_TRANS2_SETFSINFO */
336 "Trans2_qpathinfo", /* PR_VALUE_TRANS2_QPATHINFO */
337 "Trans2_setpathinfo", /* PR_VALUE_TRANS2_SETPATHINFO */
338 "Trans2_qfileinfo", /* PR_VALUE_TRANS2_QFILEINFO */
339 "Trans2_setfileinfo", /* PR_VALUE_TRANS2_SETFILEINFO */
340 "Trans2_fsctl", /* PR_VALUE_TRANS2_FSCTL */
341 "Trans2_ioctl", /* PR_VALUE_TRANS2_IOCTL */
342 "Trans2_findnotifyfirst", /* PR_VALUE_TRANS2_FINDNOTIFYFIRST */
343 "Trans2_findnotifynext", /* PR_VALUE_TRANS2_FINDNOTIFYNEXT */
344 "Trans2_mkdir", /* PR_VALUE_TRANS2_MKDIR */
345 "Trans2_session_setup", /* PR_VALUE_TRANS2_SESSION_SETUP */
346 "Trans2_get_dfs_referral", /* PR_VALUE_TRANS2_GET_DFS_REFERRAL */
347 "Trans2_report_dfs_inconsistancy", /* PR_VALUE_TRANS2_REPORT_DFS_INCONSISTANCY */
348 "NT_transact_create", /* PR_VALUE_NT_TRANSACT_CREATE */
349 "NT_transact_ioctl", /* PR_VALUE_NT_TRANSACT_IOCTL */
350 "NT_transact_set_security_desc", /* PR_VALUE_NT_TRANSACT_SET_SECURITY_DESC */
351 "NT_transact_notify_change",/* PR_VALUE_NT_TRANSACT_NOTIFY_CHANGE */
352 "NT_transact_rename", /* PR_VALUE_NT_TRANSACT_RENAME */
353 "NT_transact_query_security_desc", /* PR_VALUE_NT_TRANSACT_QUERY_SECURITY_DESC */
354 "NT_transact_get_user_quota",/* PR_VALUE_NT_TRANSACT_GET_USER_QUOTA */
355 "NT_transact_set_user_quota",/* PR_VALUE_NT_TRANSACT_SET_USER_QUOTA */
356 "get_nt_acl", /* PR_VALUE_GET_NT_ACL */
357 "fget_nt_acl", /* PR_VALUE_FGET_NT_ACL */
358 "fset_nt_acl", /* PR_VALUE_FSET_NT_ACL */
359 "chmod_acl", /* PR_VALUE_CHMOD_ACL */
360 "fchmod_acl", /* PR_VALUE_FCHMOD_ACL */
361 "name_release", /* PR_VALUE_NAME_RELEASE */
362 "name_refresh", /* PR_VALUE_NAME_REFRESH */
363 "name_registration", /* PR_VALUE_NAME_REGISTRATION */
364 "node_status", /* PR_VALUE_NODE_STATUS */
365 "name_query", /* PR_VALUE_NAME_QUERY */
366 "host_announce", /* PR_VALUE_HOST_ANNOUNCE */
367 "workgroup_announce", /* PR_VALUE_WORKGROUP_ANNOUNCE */
368 "local_master_announce", /* PR_VALUE_LOCAL_MASTER_ANNOUNCE */
369 "master_browser_announce", /* PR_VALUE_MASTER_BROWSER_ANNOUNCE */
370 "lm_host_announce", /* PR_VALUE_LM_HOST_ANNOUNCE */
371 "get_backup_list", /* PR_VALUE_GET_BACKUP_LIST */
372 "reset_browser", /* PR_VALUE_RESET_BROWSER */
373 "announce_request", /* PR_VALUE_ANNOUNCE_REQUEST */
374 "lm_announce_request", /* PR_VALUE_LM_ANNOUNCE_REQUEST */
375 "domain_logon", /* PR_VALUE_DOMAIN_LOGON */
376 "sync_browse_lists", /* PR_VALUE_SYNC_BROWSE_LISTS */
377 "run_elections", /* PR_VALUE_RUN_ELECTIONS */
378 "election", /* PR_VALUE_ELECTION */
379 "smb2_negprot", /* PR_VALUE_SMB2_NEGPROT */
380 "smb2_sesssetup", /* PR_VALUE_SMB2_SESSETUP */
381 "smb2_logoff", /* PR_VALUE_SMB2_LOGOFF */
382 "smb2_tcon", /* PR_VALUE_SMB2_TCON */
383 "smb2_tdis", /* PR_VALUE_SMB2_TDIS */
384 "smb2_create", /* PR_VALUE_SMB2_CREATE */
385 "smb2_close", /* PR_VALUE_SMB2_CLOSE */
386 "smb2_flush", /* PR_VALUE_SMB2_FLUSH */
387 "smb2_read", /* PR_VALUE_SMB2_READ */
388 "smb2_write", /* PR_VALUE_SMB2_WRITE */
389 "smb2_lock", /* PR_VALUE_SMB2_LOCK */
390 "smb2_ioctl", /* PR_VALUE_SMB2_IOCTL */
391 "smb2_cancel", /* PR_VALUE_SMB2_CANCEL */
392 "smb2_keepalive", /* PR_VALUE_SMB2_KEEPALIVE */
393 "smb2_find", /* PR_VALUE_SMB2_FIND */
394 "smb2_notify", /* PR_VALUE_SMB2_NOTIFY */
395 "smb2_getinfo", /* PR_VALUE_SMB2_GETINFO */
396 "smb2_setinfo" /* PR_VALUE_SMB2_SETINFO */
397 "smb2_break", /* PR_VALUE_SMB2_BREAK */
398 "" /* PR_VALUE_MAX */
401 SMB_ASSERT(val >= 0);
402 SMB_ASSERT(val < PR_VALUE_MAX);
403 return valnames[val];
406 #endif /* WITH_PROFILE */