/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
store smbd profiling information in shared memory
Copyright (C) Andrew Tridgell 1999
-
+ Copyright (C) James Peach 2006
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "system/shmem.h"
+#include "system/filesys.h"
+#include "messages.h"
+#include "smbprofile.h"
#ifdef WITH_PROFILE
+#define IPC_PERMS ((S_IRUSR | S_IWUSR) | S_IRGRP | S_IROTH)
+#endif /* WITH_PROFILE */
-#ifndef HAVE_SYSV_IPC
-#error "You must have SYSV shared memory to compile in the profiling code"
+#ifdef WITH_PROFILE
+static int shm_id;
+static bool read_only;
#endif
-extern int DEBUGLEVEL;
+struct profile_header *profile_h;
+struct profile_stats *profile_p;
-#define IPC_PERMS ((SHM_R | SHM_W) | (SHM_R>>3) | (SHM_R>>6))
+bool do_profile_flag = False;
+bool do_profile_times = False;
-static int shm_id;
-static BOOL read_only;
+/****************************************************************************
+Set a profiling level.
+****************************************************************************/
+void set_profile_level(int level, struct server_id src)
+{
+#ifdef WITH_PROFILE
+ switch (level) {
+ case 0: /* turn off profiling */
+ do_profile_flag = False;
+ do_profile_times = False;
+ DEBUG(1,("INFO: Profiling turned OFF from pid %d\n",
+ (int)procid_to_pid(&src)));
+ break;
+ case 1: /* turn on counter profiling only */
+ do_profile_flag = True;
+ do_profile_times = False;
+ DEBUG(1,("INFO: Profiling counts turned ON from pid %d\n",
+ (int)procid_to_pid(&src)));
+ break;
+ case 2: /* turn on complete profiling */
+ do_profile_flag = True;
+ do_profile_times = True;
+ DEBUG(1,("INFO: Full profiling turned ON from pid %d\n",
+ (int)procid_to_pid(&src)));
+ break;
+ case 3: /* reset profile values */
+ memset((char *)profile_p, 0, sizeof(*profile_p));
+ DEBUG(1,("INFO: Profiling values cleared from pid %d\n",
+ (int)procid_to_pid(&src)));
+ break;
+ }
+#else /* WITH_PROFILE */
+ DEBUG(1,("INFO: Profiling support unavailable in this build.\n"));
+#endif /* WITH_PROFILE */
+}
+
+#ifdef WITH_PROFILE
+
+/****************************************************************************
+receive a set profile level message
+****************************************************************************/
+static void profile_message(struct messaging_context *msg_ctx,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id src,
+ DATA_BLOB *data)
+{
+ int level;
+
+ if (data->length != sizeof(level)) {
+ DEBUG(0, ("got invalid profile message\n"));
+ return;
+ }
-struct profile_struct *profile_p;
+ memcpy(&level, data->data, sizeof(level));
+ set_profile_level(level, src);
+}
+
+/****************************************************************************
+receive a request profile level message
+****************************************************************************/
+static void reqprofile_message(struct messaging_context *msg_ctx,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id src,
+ DATA_BLOB *data)
+{
+ int level;
+
+#ifdef WITH_PROFILE
+ level = 1 + (do_profile_flag?2:0) + (do_profile_times?4:0);
+#else
+ level = 0;
+#endif
+ DEBUG(1,("INFO: Received REQ_PROFILELEVEL message from PID %u\n",
+ (unsigned int)procid_to_pid(&src)));
+ messaging_send_buf(msg_ctx, src, MSG_PROFILELEVEL,
+ (uint8 *)&level, sizeof(level));
+}
/*******************************************************************
open the profiling shared memory area
******************************************************************/
-BOOL profile_setup(BOOL rdonly)
+bool profile_setup(struct messaging_context *msg_ctx, bool rdonly)
{
struct shmid_ds shm_ds;
if we are running from inetd. Bad luck. */
if (shm_id == -1) {
if (read_only) return False;
- shm_id = shmget(PROF_SHMEM_KEY, sizeof(*profile_p),
+ shm_id = shmget(PROF_SHMEM_KEY, sizeof(*profile_h),
IPC_CREAT | IPC_EXCL | IPC_PERMS);
}
}
- profile_p = (struct profile_struct *)shmat(shm_id, 0,
+ profile_h = (struct profile_header *)shmat(shm_id, 0,
read_only?SHM_RDONLY:0);
- if ((long)profile_p == -1) {
+ if ((long)profile_h == -1) {
DEBUG(0,("Can't attach to IPC area. Error was %s\n",
strerror(errno)));
return False;
return False;
}
- if (shm_ds.shm_perm.cuid != 0 || shm_ds.shm_perm.cgid != 0) {
- DEBUG(0,("ERROR: root did not create the shmem\n"));
+ if (shm_ds.shm_perm.cuid != sec_initial_uid() ||
+ shm_ds.shm_perm.cgid != sec_initial_gid()) {
+ DEBUG(0,("ERROR: we did not create the shmem "
+ "(owned by another user, uid %u, gid %u)\n",
+ shm_ds.shm_perm.cuid,
+ shm_ds.shm_perm.cgid));
return False;
}
- if (shm_ds.shm_segsz != sizeof(*profile_p)) {
+ if (shm_ds.shm_segsz != sizeof(*profile_h)) {
DEBUG(0,("WARNING: profile size is %d (expected %d). Deleting\n",
- (int)shm_ds.shm_segsz, sizeof(*profile_p)));
+ (int)shm_ds.shm_segsz, (int)sizeof(*profile_h)));
if (shmctl(shm_id, IPC_RMID, &shm_ds) == 0) {
goto again;
} else {
}
if (!read_only && (shm_ds.shm_nattch == 1)) {
- memset((char *)profile_p, 0, sizeof(*profile_p));
- profile_p->prof_shm_magic = PROF_SHM_MAGIC;
- profile_p->prof_shm_version = PROF_SHM_VERSION;
+ memset((char *)profile_h, 0, sizeof(*profile_h));
+ profile_h->prof_shm_magic = PROF_SHM_MAGIC;
+ profile_h->prof_shm_version = PROF_SHM_VERSION;
DEBUG(3,("Initialised profile area\n"));
}
+ profile_p = &profile_h->stats;
+ if (msg_ctx != NULL) {
+ messaging_register(msg_ctx, NULL, MSG_PROFILE,
+ profile_message);
+ messaging_register(msg_ctx, NULL, MSG_REQ_PROFILELEVEL,
+ reqprofile_message);
+ }
return True;
}
-#else
- /* to keep compilers happy about empty modules */
- void profile_dummy(void) {}
-#endif
+ const char * profile_value_name(enum profile_stats_values val)
+{
+ static const char * valnames[PR_VALUE_MAX + 1] =
+ {
+ "smbd_idle", /* PR_VALUE_SMBD_IDLE */
+ "syscall_opendir", /* PR_VALUE_SYSCALL_OPENDIR */
+ "syscall_readdir", /* PR_VALUE_SYSCALL_READDIR */
+ "syscall_seekdir", /* PR_VALUE_SYSCALL_SEEKDIR */
+ "syscall_telldir", /* PR_VALUE_SYSCALL_TELLDIR */
+ "syscall_rewinddir", /* PR_VALUE_SYSCALL_REWINDDIR */
+ "syscall_mkdir", /* PR_VALUE_SYSCALL_MKDIR */
+ "syscall_rmdir", /* PR_VALUE_SYSCALL_RMDIR */
+ "syscall_closedir", /* PR_VALUE_SYSCALL_CLOSEDIR */
+ "syscall_open", /* PR_VALUE_SYSCALL_OPEN */
+ "syscall_createfile", /* PR_VALUE_SYSCALL_CREATEFILE */
+ "syscall_close", /* PR_VALUE_SYSCALL_CLOSE */
+ "syscall_read", /* PR_VALUE_SYSCALL_READ */
+ "syscall_pread", /* PR_VALUE_SYSCALL_PREAD */
+ "syscall_write", /* PR_VALUE_SYSCALL_WRITE */
+ "syscall_pwrite", /* PR_VALUE_SYSCALL_PWRITE */
+ "syscall_lseek", /* PR_VALUE_SYSCALL_LSEEK */
+ "syscall_sendfile", /* PR_VALUE_SYSCALL_SENDFILE */
+ "syscall_recvfile", /* PR_VALUE_SYSCALL_RECVFILE */
+ "syscall_rename", /* PR_VALUE_SYSCALL_RENAME */
+ "syscall_rename_at", /* PR_VALUE_SYSCALL_RENAME_AT */
+ "syscall_fsync", /* PR_VALUE_SYSCALL_FSYNC */
+ "syscall_stat", /* PR_VALUE_SYSCALL_STAT */
+ "syscall_fstat", /* PR_VALUE_SYSCALL_FSTAT */
+ "syscall_lstat", /* PR_VALUE_SYSCALL_LSTAT */
+ "syscall_unlink", /* PR_VALUE_SYSCALL_UNLINK */
+ "syscall_chmod", /* PR_VALUE_SYSCALL_CHMOD */
+ "syscall_fchmod", /* PR_VALUE_SYSCALL_FCHMOD */
+ "syscall_chown", /* PR_VALUE_SYSCALL_CHOWN */
+ "syscall_fchown", /* PR_VALUE_SYSCALL_FCHOWN */
+ "syscall_chdir", /* PR_VALUE_SYSCALL_CHDIR */
+ "syscall_getwd", /* PR_VALUE_SYSCALL_GETWD */
+ "syscall_ntimes", /* PR_VALUE_SYSCALL_NTIMES */
+ "syscall_ftruncate", /* PR_VALUE_SYSCALL_FTRUNCATE */
+ "syscall_fallocate", /* PR_VALUE_SYSCALL_FALLOCATE */
+ "syscall_fcntl_lock", /* PR_VALUE_SYSCALL_FCNTL_LOCK */
+ "syscall_kernel_flock", /* PR_VALUE_SYSCALL_KERNEL_FLOCK */
+ "syscall_linux_setlease", /* PR_VALUE_SYSCALL_LINUX_SETLEASE */
+ "syscall_fcntl_getlock", /* PR_VALUE_SYSCALL_FCNTL_GETLOCK */
+ "syscall_readlink", /* PR_VALUE_SYSCALL_READLINK */
+ "syscall_symlink", /* PR_VALUE_SYSCALL_SYMLINK */
+ "syscall_link", /* PR_VALUE_SYSCALL_LINK */
+ "syscall_mknod", /* PR_VALUE_SYSCALL_MKNOD */
+ "syscall_realpath", /* PR_VALUE_SYSCALL_REALPATH */
+ "syscall_get_quota", /* PR_VALUE_SYSCALL_GET_QUOTA */
+ "syscall_set_quota", /* PR_VALUE_SYSCALL_SET_QUOTA */
+ "syscall_get_sd", /* PR_VALUE_SYSCALL_GET_SD */
+ "syscall_set_sd", /* PR_VALUE_SYSCALL_SET_SD */
+ "syscall_brl_lock", /* PR_VALUE_SYSCALL_BRL_LOCK */
+ "syscall_brl_unlock", /* PR_VALUE_SYSCALL_BRL_UNLOCK */
+ "syscall_brl_cancel", /* PR_VALUE_SYSCALL_BRL_CANCEL */
+ "SMBmkdir", /* PR_VALUE_SMBMKDIR */
+ "SMBrmdir", /* PR_VALUE_SMBRMDIR */
+ "SMBopen", /* PR_VALUE_SMBOPEN */
+ "SMBcreate", /* PR_VALUE_SMBCREATE */
+ "SMBclose", /* PR_VALUE_SMBCLOSE */
+ "SMBflush", /* PR_VALUE_SMBFLUSH */
+ "SMBunlink", /* PR_VALUE_SMBUNLINK */
+ "SMBmv", /* PR_VALUE_SMBMV */
+ "SMBgetatr", /* PR_VALUE_SMBGETATR */
+ "SMBsetatr", /* PR_VALUE_SMBSETATR */
+ "SMBread", /* PR_VALUE_SMBREAD */
+ "SMBwrite", /* PR_VALUE_SMBWRITE */
+ "SMBlock", /* PR_VALUE_SMBLOCK */
+ "SMBunlock", /* PR_VALUE_SMBUNLOCK */
+ "SMBctemp", /* PR_VALUE_SMBCTEMP */
+ "SMBmknew", /* PR_VALUE_SMBMKNEW */
+ "SMBcheckpath", /* PR_VALUE_SMBCHECKPATH */
+ "SMBexit", /* PR_VALUE_SMBEXIT */
+ "SMBlseek", /* PR_VALUE_SMBLSEEK */
+ "SMBlockread", /* PR_VALUE_SMBLOCKREAD */
+ "SMBwriteunlock", /* PR_VALUE_SMBWRITEUNLOCK */
+ "SMBreadbraw", /* PR_VALUE_SMBREADBRAW */
+ "SMBreadBmpx", /* PR_VALUE_SMBREADBMPX */
+ "SMBreadBs", /* PR_VALUE_SMBREADBS */
+ "SMBwritebraw", /* PR_VALUE_SMBWRITEBRAW */
+ "SMBwriteBmpx", /* PR_VALUE_SMBWRITEBMPX */
+ "SMBwriteBs", /* PR_VALUE_SMBWRITEBS */
+ "SMBwritec", /* PR_VALUE_SMBWRITEC */
+ "SMBsetattrE", /* PR_VALUE_SMBSETATTRE */
+ "SMBgetattrE", /* PR_VALUE_SMBGETATTRE */
+ "SMBlockingX", /* PR_VALUE_SMBLOCKINGX */
+ "SMBtrans", /* PR_VALUE_SMBTRANS */
+ "SMBtranss", /* PR_VALUE_SMBTRANSS */
+ "SMBioctl", /* PR_VALUE_SMBIOCTL */
+ "SMBioctls", /* PR_VALUE_SMBIOCTLS */
+ "SMBcopy", /* PR_VALUE_SMBCOPY */
+ "SMBmove", /* PR_VALUE_SMBMOVE */
+ "SMBecho", /* PR_VALUE_SMBECHO */
+ "SMBwriteclose", /* PR_VALUE_SMBWRITECLOSE */
+ "SMBopenX", /* PR_VALUE_SMBOPENX */
+ "SMBreadX", /* PR_VALUE_SMBREADX */
+ "SMBwriteX", /* PR_VALUE_SMBWRITEX */
+ "SMBtrans2", /* PR_VALUE_SMBTRANS2 */
+ "SMBtranss2", /* PR_VALUE_SMBTRANSS2 */
+ "SMBfindclose", /* PR_VALUE_SMBFINDCLOSE */
+ "SMBfindnclose", /* PR_VALUE_SMBFINDNCLOSE */
+ "SMBtcon", /* PR_VALUE_SMBTCON */
+ "SMBtdis", /* PR_VALUE_SMBTDIS */
+ "SMBnegprot", /* PR_VALUE_SMBNEGPROT */
+ "SMBsesssetupX", /* PR_VALUE_SMBSESSSETUPX */
+ "SMBulogoffX", /* PR_VALUE_SMBULOGOFFX */
+ "SMBtconX", /* PR_VALUE_SMBTCONX */
+ "SMBdskattr", /* PR_VALUE_SMBDSKATTR */
+ "SMBsearch", /* PR_VALUE_SMBSEARCH */
+ "SMBffirst", /* PR_VALUE_SMBFFIRST */
+ "SMBfunique", /* PR_VALUE_SMBFUNIQUE */
+ "SMBfclose", /* PR_VALUE_SMBFCLOSE */
+ "SMBnttrans", /* PR_VALUE_SMBNTTRANS */
+ "SMBnttranss", /* PR_VALUE_SMBNTTRANSS */
+ "SMBntcreateX", /* PR_VALUE_SMBNTCREATEX */
+ "SMBntcancel", /* PR_VALUE_SMBNTCANCEL */
+ "SMBntrename", /* PR_VALUE_SMBNTRENAME */
+ "SMBsplopen", /* PR_VALUE_SMBSPLOPEN */
+ "SMBsplwr", /* PR_VALUE_SMBSPLWR */
+ "SMBsplclose", /* PR_VALUE_SMBSPLCLOSE */
+ "SMBsplretq", /* PR_VALUE_SMBSPLRETQ */
+ "SMBsends", /* PR_VALUE_SMBSENDS */
+ "SMBsendb", /* PR_VALUE_SMBSENDB */
+ "SMBfwdname", /* PR_VALUE_SMBFWDNAME */
+ "SMBcancelf", /* PR_VALUE_SMBCANCELF */
+ "SMBgetmac", /* PR_VALUE_SMBGETMAC */
+ "SMBsendstrt", /* PR_VALUE_SMBSENDSTRT */
+ "SMBsendend", /* PR_VALUE_SMBSENDEND */
+ "SMBsendtxt", /* PR_VALUE_SMBSENDTXT */
+ "SMBinvalid", /* PR_VALUE_SMBINVALID */
+ "pathworks_setdir", /* PR_VALUE_PATHWORKS_SETDIR */
+ "Trans2_open", /* PR_VALUE_TRANS2_OPEN */
+ "Trans2_findfirst", /* PR_VALUE_TRANS2_FINDFIRST */
+ "Trans2_findnext", /* PR_VALUE_TRANS2_FINDNEXT */
+ "Trans2_qfsinfo", /* PR_VALUE_TRANS2_QFSINFO */
+ "Trans2_setfsinfo", /* PR_VALUE_TRANS2_SETFSINFO */
+ "Trans2_qpathinfo", /* PR_VALUE_TRANS2_QPATHINFO */
+ "Trans2_setpathinfo", /* PR_VALUE_TRANS2_SETPATHINFO */
+ "Trans2_qfileinfo", /* PR_VALUE_TRANS2_QFILEINFO */
+ "Trans2_setfileinfo", /* PR_VALUE_TRANS2_SETFILEINFO */
+ "Trans2_fsctl", /* PR_VALUE_TRANS2_FSCTL */
+ "Trans2_ioctl", /* PR_VALUE_TRANS2_IOCTL */
+ "Trans2_findnotifyfirst", /* PR_VALUE_TRANS2_FINDNOTIFYFIRST */
+ "Trans2_findnotifynext", /* PR_VALUE_TRANS2_FINDNOTIFYNEXT */
+ "Trans2_mkdir", /* PR_VALUE_TRANS2_MKDIR */
+ "Trans2_session_setup", /* PR_VALUE_TRANS2_SESSION_SETUP */
+ "Trans2_get_dfs_referral", /* PR_VALUE_TRANS2_GET_DFS_REFERRAL */
+ "Trans2_report_dfs_inconsistancy", /* PR_VALUE_TRANS2_REPORT_DFS_INCONSISTANCY */
+ "NT_transact_create", /* PR_VALUE_NT_TRANSACT_CREATE */
+ "NT_transact_ioctl", /* PR_VALUE_NT_TRANSACT_IOCTL */
+ "NT_transact_set_security_desc", /* PR_VALUE_NT_TRANSACT_SET_SECURITY_DESC */
+ "NT_transact_notify_change",/* PR_VALUE_NT_TRANSACT_NOTIFY_CHANGE */
+ "NT_transact_rename", /* PR_VALUE_NT_TRANSACT_RENAME */
+ "NT_transact_query_security_desc", /* PR_VALUE_NT_TRANSACT_QUERY_SECURITY_DESC */
+ "NT_transact_get_user_quota",/* PR_VALUE_NT_TRANSACT_GET_USER_QUOTA */
+ "NT_transact_set_user_quota",/* PR_VALUE_NT_TRANSACT_SET_USER_QUOTA */
+ "get_nt_acl", /* PR_VALUE_GET_NT_ACL */
+ "fget_nt_acl", /* PR_VALUE_FGET_NT_ACL */
+ "fset_nt_acl", /* PR_VALUE_FSET_NT_ACL */
+ "chmod_acl", /* PR_VALUE_CHMOD_ACL */
+ "fchmod_acl", /* PR_VALUE_FCHMOD_ACL */
+ "name_release", /* PR_VALUE_NAME_RELEASE */
+ "name_refresh", /* PR_VALUE_NAME_REFRESH */
+ "name_registration", /* PR_VALUE_NAME_REGISTRATION */
+ "node_status", /* PR_VALUE_NODE_STATUS */
+ "name_query", /* PR_VALUE_NAME_QUERY */
+ "host_announce", /* PR_VALUE_HOST_ANNOUNCE */
+ "workgroup_announce", /* PR_VALUE_WORKGROUP_ANNOUNCE */
+ "local_master_announce", /* PR_VALUE_LOCAL_MASTER_ANNOUNCE */
+ "master_browser_announce", /* PR_VALUE_MASTER_BROWSER_ANNOUNCE */
+ "lm_host_announce", /* PR_VALUE_LM_HOST_ANNOUNCE */
+ "get_backup_list", /* PR_VALUE_GET_BACKUP_LIST */
+ "reset_browser", /* PR_VALUE_RESET_BROWSER */
+ "announce_request", /* PR_VALUE_ANNOUNCE_REQUEST */
+ "lm_announce_request", /* PR_VALUE_LM_ANNOUNCE_REQUEST */
+ "domain_logon", /* PR_VALUE_DOMAIN_LOGON */
+ "sync_browse_lists", /* PR_VALUE_SYNC_BROWSE_LISTS */
+ "run_elections", /* PR_VALUE_RUN_ELECTIONS */
+ "election", /* PR_VALUE_ELECTION */
+ "smb2_negprot", /* PR_VALUE_SMB2_NEGPROT */
+ "smb2_sesssetup", /* PR_VALUE_SMB2_SESSETUP */
+ "smb2_logoff", /* PR_VALUE_SMB2_LOGOFF */
+ "smb2_tcon", /* PR_VALUE_SMB2_TCON */
+ "smb2_tdis", /* PR_VALUE_SMB2_TDIS */
+ "smb2_create", /* PR_VALUE_SMB2_CREATE */
+ "smb2_close", /* PR_VALUE_SMB2_CLOSE */
+ "smb2_flush", /* PR_VALUE_SMB2_FLUSH */
+ "smb2_read", /* PR_VALUE_SMB2_READ */
+ "smb2_write", /* PR_VALUE_SMB2_WRITE */
+ "smb2_lock", /* PR_VALUE_SMB2_LOCK */
+ "smb2_ioctl", /* PR_VALUE_SMB2_IOCTL */
+ "smb2_cancel", /* PR_VALUE_SMB2_CANCEL */
+ "smb2_keepalive", /* PR_VALUE_SMB2_KEEPALIVE */
+ "smb2_find", /* PR_VALUE_SMB2_FIND */
+ "smb2_notify", /* PR_VALUE_SMB2_NOTIFY */
+ "smb2_getinfo", /* PR_VALUE_SMB2_GETINFO */
+ "smb2_setinfo" /* PR_VALUE_SMB2_SETINFO */
+ "smb2_break", /* PR_VALUE_SMB2_BREAK */
+ "" /* PR_VALUE_MAX */
+ };
+
+ SMB_ASSERT(val >= 0);
+ SMB_ASSERT(val < PR_VALUE_MAX);
+ return valnames[val];
+}
+
+#endif /* WITH_PROFILE */
git.samba.org / kai / samba.git / blobdiff