*
* Copyright (C) 2002 Cluster File Systems, Inc.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * You may have signed or agreed to another license before downloading
+ * this software. If so, you are bound by the terms and conditions
+ * of that agreement, and the following does not apply to you. See the
+ * LICENSE file included with this distribution for more information.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * If you did not agree to a different license, then this copy of Lustre
+ * is open source software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * In either case, Lustre is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * license text for more details.
*
*/
#define DEBUG_SUBSYSTEM S_CLASS
-#include <linux/obd_support.h>
-#include <linux/obd.h>
-#include <linux/lprocfs_status.h>
-#include <linux/lustre_idl.h>
-#include <linux/lustre_net.h>
+#include <obd_support.h>
+#include <obd.h>
+#include <lprocfs_status.h>
+#include <lustre/lustre_idl.h>
+#include <lustre_net.h>
+#include <obd_class.h>
#include "ptlrpc_internal.h"
__u32 opcode;
const char *opname;
} ll_rpc_opcode_table[LUSTRE_MAX_OPCODES] = {
- { OST_REPLY, "ost_reply" },
- { OST_GETATTR, "ost_getattr" },
- { OST_SETATTR, "ost_setattr" },
- { OST_READ, "ost_read" },
- { OST_WRITE, "ost_write" },
- { OST_CREATE , "ost_create" },
- { OST_DESTROY, "ost_destroy" },
- { OST_GET_INFO, "ost_get_info" },
- { OST_CONNECT, "ost_connect" },
- { OST_DISCONNECT, "ost_disconnect" },
- { OST_PUNCH, "ost_punch" },
- { OST_OPEN, "ost_open" },
- { OST_CLOSE, "ost_close" },
- { OST_STATFS, "ost_statfs" },
- { OST_SAN_READ, "ost_san_read" },
- { OST_SAN_WRITE, "ost_san_write" },
- { OST_SYNC, "ost_sync" },
- { OST_SET_INFO, "ost_set_info" },
- { MDS_GETATTR, "mds_getattr" },
- { MDS_GETATTR_LOCK , "mds_getattr_lock" },
- { MDS_CLOSE, "mds_close" },
- { MDS_REINT, "mds_reint" },
- { MDS_READPAGE, "mds_readpage" },
- { MDS_CONNECT, "mds_connect" },
- { MDS_DISCONNECT, "mds_disconnect" },
- { MDS_GETSTATUS, "mds_getstatus" },
- { MDS_STATFS, "mds_statfs" },
- { MDS_PIN, "mds_pin" },
- { MDS_UNPIN, "mds_unpin" },
- { MDS_SYNC, "mds_sync" },
- { MDS_DONE_WRITING, "mds_done_writing" },
- { MDS_ACCESS_CHECK, "mds_access_check"},
- { MDS_PARSE_ID, "mds_parse_id" },
- { LDLM_ENQUEUE, "ldlm_enqueue" },
- { LDLM_CONVERT, "ldlm_convert" },
- { LDLM_CANCEL, "ldlm_cancel" },
- { LDLM_BL_CALLBACK, "ldlm_bl_callback" },
- { LDLM_CP_CALLBACK, "ldlm_cp_callback" },
- { LDLM_GL_CALLBACK, "ldlm_gl_callback" },
- { LDLM_FLK_DEADLOCK_CHK, "ldlm_flock_deadlock_check" },
- { PTLBD_QUERY, "ptlbd_query" },
- { PTLBD_READ, "ptlbd_read" },
- { PTLBD_WRITE, "ptlbd_write" },
- { PTLBD_FLUSH, "ptlbd_flush" },
- { PTLBD_CONNECT, "ptlbd_connect" },
- { PTLBD_DISCONNECT, "ptlbd_disconnect" },
- { OBD_PING, "obd_ping" },
- { OBD_LOG_CANCEL, "llog_origin_handle_cancel"},
- { SEC_INIT, "sec_init"},
- { SEC_INIT_CONTINUE, "sec_init_continue"},
- { SEC_FINI, "sec_fini"},
+ { OST_REPLY, "ost_reply" },
+ { OST_GETATTR, "ost_getattr" },
+ { OST_SETATTR, "ost_setattr" },
+ { OST_READ, "ost_read" },
+ { OST_WRITE, "ost_write" },
+ { OST_CREATE , "ost_create" },
+ { OST_DESTROY, "ost_destroy" },
+ { OST_GET_INFO, "ost_get_info" },
+ { OST_CONNECT, "ost_connect" },
+ { OST_DISCONNECT, "ost_disconnect" },
+ { OST_PUNCH, "ost_punch" },
+ { OST_OPEN, "ost_open" },
+ { OST_CLOSE, "ost_close" },
+ { OST_STATFS, "ost_statfs" },
+ { 14, NULL },
+ { 15, NULL },
+ { OST_SYNC, "ost_sync" },
+ { OST_SET_INFO, "ost_set_info" },
+ { OST_QUOTACHECK, "ost_quotacheck" },
+ { OST_QUOTACTL, "ost_quotactl" },
+ { MDS_GETATTR, "mds_getattr" },
+ { MDS_GETATTR_NAME, "mds_getattr_lock" },
+ { MDS_CLOSE, "mds_close" },
+ { MDS_REINT, "mds_reint" },
+ { MDS_READPAGE, "mds_readpage" },
+ { MDS_CONNECT, "mds_connect" },
+ { MDS_DISCONNECT, "mds_disconnect" },
+ { MDS_GETSTATUS, "mds_getstatus" },
+ { MDS_STATFS, "mds_statfs" },
+ { MDS_PIN, "mds_pin" },
+ { MDS_UNPIN, "mds_unpin" },
+ { MDS_SYNC, "mds_sync" },
+ { MDS_DONE_WRITING, "mds_done_writing" },
+ { MDS_SET_INFO, "mds_set_info" },
+ { MDS_QUOTACHECK, "mds_quotacheck" },
+ { MDS_QUOTACTL, "mds_quotactl" },
+ { MDS_GETXATTR, "mds_getxattr" },
+ { MDS_SETXATTR, "mds_setxattr" },
+ { LDLM_ENQUEUE, "ldlm_enqueue" },
+ { LDLM_CONVERT, "ldlm_convert" },
+ { LDLM_CANCEL, "ldlm_cancel" },
+ { LDLM_BL_CALLBACK, "ldlm_bl_callback" },
+ { LDLM_CP_CALLBACK, "ldlm_cp_callback" },
+ { LDLM_GL_CALLBACK, "ldlm_gl_callback" },
+ { OBD_PING, "obd_ping" },
+ { OBD_LOG_CANCEL, "llog_origin_handle_cancel"},
};
const char* ll_opcode2str(__u32 opcode)
* is missing from the table above.
* or 2) The opcode space was renumbered or rearranged,
* and the opcode_offset() function in
- * ptlrpc_internals.h needs to be modified.
+ * ptlrpc_internal.h needs to be modified.
*/
__u32 offset = opcode_offset(opcode);
LASSERT(offset < LUSTRE_MAX_OPCODES);
return ll_rpc_opcode_table[offset].opname;
}
-#ifndef LPROCFS
-void ptlrpc_lprocfs_register_service(struct obd_device *obddev,
- struct ptlrpc_service *svc) { return ; }
-void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc) { return; }
-#else
-
+#ifdef LPROCFS
void ptlrpc_lprocfs_register(struct proc_dir_entry *root, char *dir,
char *name, struct proc_dir_entry **procroot_ret,
struct lprocfs_stats **stats_ret)
struct proc_dir_entry *svc_procroot;
struct lprocfs_stats *svc_stats;
int i, rc;
- unsigned int svc_counter_config = LPROCFS_CNTR_AVGMINMAX |
+ unsigned int svc_counter_config = LPROCFS_CNTR_AVGMINMAX |
LPROCFS_CNTR_STDDEV;
LASSERT(*procroot_ret == NULL);
if (dir) {
svc_procroot = lprocfs_register(dir, root, NULL, NULL);
if (IS_ERR(svc_procroot)) {
- lprocfs_free_stats(svc_stats);
+ lprocfs_free_stats(&svc_stats);
return;
}
} else {
svc_counter_config, "req_active", "reqs");
lprocfs_counter_init(svc_stats, PTLRPC_REQBUF_AVAIL_CNTR,
svc_counter_config, "reqbuf_avail", "bufs");
-
for (i = 0; i < LUSTRE_MAX_OPCODES; i++) {
__u32 opcode = ll_rpc_opcode_table[i].opcode;
lprocfs_counter_init(svc_stats, PTLRPC_LAST_CNTR + i,
svc_counter_config, ll_opcode2str(opcode),
- "usec");
+ (i == OST_WRITE || i == OST_READ) ?
+ "bytes" : "usec");
}
rc = lprocfs_register_stats(svc_procroot, name, svc_stats);
if (rc < 0) {
if (dir)
- lprocfs_remove(svc_procroot);
- lprocfs_free_stats(svc_stats);
+ lprocfs_remove(&svc_procroot);
+ lprocfs_free_stats(&svc_stats);
} else {
if (dir)
*procroot_ret = svc_procroot;
}
}
+static int
+ptlrpc_lprocfs_read_req_history_len(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct ptlrpc_service *svc = data;
+
+ *eof = 1;
+ return snprintf(page, count, "%d\n", svc->srv_n_history_rqbds);
+}
+
+static int
+ptlrpc_lprocfs_read_req_history_max(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct ptlrpc_service *svc = data;
+
+ *eof = 1;
+ return snprintf(page, count, "%d\n", svc->srv_max_history_rqbds);
+}
+
+static int
+ptlrpc_lprocfs_write_req_history_max(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct ptlrpc_service *svc = data;
+ int bufpages;
+ int val;
+ int rc = lprocfs_write_helper(buffer, count, &val);
+
+ if (rc < 0)
+ return rc;
+
+ if (val < 0)
+ return -ERANGE;
+
+ /* This sanity check is more of an insanity check; we can still
+ * hose a kernel by allowing the request history to grow too
+ * far. */
+ bufpages = (svc->srv_buf_size + CFS_PAGE_SIZE - 1) >> CFS_PAGE_SHIFT;
+ if (val > num_physpages/(2*bufpages))
+ return -ERANGE;
+
+ spin_lock(&svc->srv_lock);
+ svc->srv_max_history_rqbds = val;
+ spin_unlock(&svc->srv_lock);
+
+ return count;
+}
+
+struct ptlrpc_srh_iterator {
+ __u64 srhi_seq;
+ struct ptlrpc_request *srhi_req;
+};
+
+int
+ptlrpc_lprocfs_svc_req_history_seek(struct ptlrpc_service *svc,
+ struct ptlrpc_srh_iterator *srhi,
+ __u64 seq)
+{
+ struct list_head *e;
+ struct ptlrpc_request *req;
+
+ if (srhi->srhi_req != NULL &&
+ srhi->srhi_seq > svc->srv_request_max_cull_seq &&
+ srhi->srhi_seq <= seq) {
+ /* If srhi_req was set previously, hasn't been culled and
+ * we're searching for a seq on or after it (i.e. more
+ * recent), search from it onwards.
+ * Since the service history is LRU (i.e. culled reqs will
+ * be near the head), we shouldn't have to do long
+ * re-scans */
+ LASSERT (srhi->srhi_seq == srhi->srhi_req->rq_history_seq);
+ LASSERT (!list_empty(&svc->srv_request_history));
+ e = &srhi->srhi_req->rq_history_list;
+ } else {
+ /* search from start */
+ e = svc->srv_request_history.next;
+ }
+
+ while (e != &svc->srv_request_history) {
+ req = list_entry(e, struct ptlrpc_request, rq_history_list);
+
+ if (req->rq_history_seq >= seq) {
+ srhi->srhi_seq = req->rq_history_seq;
+ srhi->srhi_req = req;
+ return 0;
+ }
+ e = e->next;
+ }
+
+ return -ENOENT;
+}
+
+static void *
+ptlrpc_lprocfs_svc_req_history_start(struct seq_file *s, loff_t *pos)
+{
+ struct ptlrpc_service *svc = s->private;
+ struct ptlrpc_srh_iterator *srhi;
+ int rc;
+
+ OBD_ALLOC(srhi, sizeof(*srhi));
+ if (srhi == NULL)
+ return NULL;
+
+ srhi->srhi_seq = 0;
+ srhi->srhi_req = NULL;
+
+ spin_lock(&svc->srv_lock);
+ rc = ptlrpc_lprocfs_svc_req_history_seek(svc, srhi, *pos);
+ spin_unlock(&svc->srv_lock);
+
+ if (rc == 0) {
+ *pos = srhi->srhi_seq;
+ return srhi;
+ }
+
+ OBD_FREE(srhi, sizeof(*srhi));
+ return NULL;
+}
+
+static void
+ptlrpc_lprocfs_svc_req_history_stop(struct seq_file *s, void *iter)
+{
+ struct ptlrpc_srh_iterator *srhi = iter;
+
+ if (srhi != NULL)
+ OBD_FREE(srhi, sizeof(*srhi));
+}
+
+static void *
+ptlrpc_lprocfs_svc_req_history_next(struct seq_file *s,
+ void *iter, loff_t *pos)
+{
+ struct ptlrpc_service *svc = s->private;
+ struct ptlrpc_srh_iterator *srhi = iter;
+ int rc;
+
+ spin_lock(&svc->srv_lock);
+ rc = ptlrpc_lprocfs_svc_req_history_seek(svc, srhi, *pos + 1);
+ spin_unlock(&svc->srv_lock);
+
+ if (rc != 0) {
+ OBD_FREE(srhi, sizeof(*srhi));
+ return NULL;
+ }
+
+ *pos = srhi->srhi_seq;
+ return srhi;
+}
+
+static int ptlrpc_lprocfs_svc_req_history_show(struct seq_file *s, void *iter)
+{
+ struct ptlrpc_service *svc = s->private;
+ struct ptlrpc_srh_iterator *srhi = iter;
+ struct ptlrpc_request *req;
+ int rc;
+
+ spin_lock(&svc->srv_lock);
+
+ rc = ptlrpc_lprocfs_svc_req_history_seek(svc, srhi, srhi->srhi_seq);
+
+ if (rc == 0) {
+ req = srhi->srhi_req;
+
+ /* Print common req fields.
+ * CAVEAT EMPTOR: we're racing with the service handler
+ * here. The request could contain any old crap, so you
+ * must be just as careful as the service's request
+ * parser. Currently I only print stuff here I know is OK
+ * to look at coz it was set up in request_in_callback()!!! */
+ seq_printf(s, LPD64":%s:%s:"LPD64":%d:%s ",
+ req->rq_history_seq, libcfs_nid2str(req->rq_self),
+ libcfs_id2str(req->rq_peer), req->rq_xid,
+ req->rq_reqlen,ptlrpc_rqphase2str(req));
+
+ if (svc->srv_request_history_print_fn == NULL)
+ seq_printf(s, "\n");
+ else
+ svc->srv_request_history_print_fn(s, srhi->srhi_req);
+ }
+
+ spin_unlock(&svc->srv_lock);
+
+ return rc;
+}
+
+static int
+ptlrpc_lprocfs_svc_req_history_open(struct inode *inode, struct file *file)
+{
+ static struct seq_operations sops = {
+ .start = ptlrpc_lprocfs_svc_req_history_start,
+ .stop = ptlrpc_lprocfs_svc_req_history_stop,
+ .next = ptlrpc_lprocfs_svc_req_history_next,
+ .show = ptlrpc_lprocfs_svc_req_history_show,
+ };
+ struct proc_dir_entry *dp = PDE(inode);
+ struct seq_file *seqf;
+ int rc;
+
+ LPROCFS_ENTRY_AND_CHECK(dp);
+ rc = seq_open(file, &sops);
+ if (rc) {
+ LPROCFS_EXIT();
+ return rc;
+ }
+
+ seqf = file->private_data;
+ seqf->private = dp->data;
+ return 0;
+}
+
void ptlrpc_lprocfs_register_service(struct proc_dir_entry *entry,
struct ptlrpc_service *svc)
{
+ struct lprocfs_vars lproc_vars[] = {
+ {.name = "req_buffer_history_len",
+ .write_fptr = NULL,
+ .read_fptr = ptlrpc_lprocfs_read_req_history_len,
+ .data = svc},
+ {.name = "req_buffer_history_max",
+ .write_fptr = ptlrpc_lprocfs_write_req_history_max,
+ .read_fptr = ptlrpc_lprocfs_read_req_history_max,
+ .data = svc},
+ {NULL}
+ };
+ static struct file_operations req_history_fops = {
+ .owner = THIS_MODULE,
+ .open = ptlrpc_lprocfs_svc_req_history_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = lprocfs_seq_release,
+ };
+ struct proc_dir_entry *req_history;
+
ptlrpc_lprocfs_register(entry, svc->srv_name,
"stats", &svc->srv_procroot,
&svc->srv_stats);
+
+ if (svc->srv_procroot == NULL)
+ return;
+
+ lprocfs_add_vars(svc->srv_procroot, lproc_vars, NULL);
+
+ req_history = create_proc_entry("req_history", 0400,
+ svc->srv_procroot);
+ if (req_history != NULL) {
+ req_history->data = svc;
+ req_history->proc_fops = &req_history_fops;
+ }
}
void ptlrpc_lprocfs_register_obd(struct obd_device *obddev)
&obddev->obd_svc_procroot,
&obddev->obd_svc_stats);
}
+EXPORT_SYMBOL(ptlrpc_lprocfs_register_obd);
void ptlrpc_lprocfs_rpc_sent(struct ptlrpc_request *req)
{
struct lprocfs_stats *svc_stats;
- int opc = opcode_offset(req->rq_reqmsg->opc);
+ int opc = opcode_offset(lustre_msg_get_opc(req->rq_reqmsg));
svc_stats = req->rq_import->imp_obd->obd_svc_stats;
if (svc_stats == NULL || opc <= 0)
return;
LASSERT(opc < LUSTRE_MAX_OPCODES);
- lprocfs_counter_add(svc_stats, opc + PTLRPC_LAST_CNTR, 0);
+ /* These two use the ptlrpc_lprocfs_brw below */
+ if (!(opc == OST_WRITE || opc == OST_READ))
+ lprocfs_counter_add(svc_stats, opc + PTLRPC_LAST_CNTR, 0);
+}
+
+void ptlrpc_lprocfs_brw(struct ptlrpc_request *req, int opc, int bytes)
+{
+ struct lprocfs_stats *svc_stats;
+ svc_stats = req->rq_import->imp_obd->obd_svc_stats;
+ if (!svc_stats)
+ return;
+ lprocfs_counter_add(svc_stats, opc + PTLRPC_LAST_CNTR, bytes);
}
+EXPORT_SYMBOL(ptlrpc_lprocfs_brw);
void ptlrpc_lprocfs_unregister_service(struct ptlrpc_service *svc)
{
- if (svc->srv_procroot != NULL) {
- lprocfs_remove(svc->srv_procroot);
- svc->srv_procroot = NULL;
- }
- if (svc->srv_stats) {
- lprocfs_free_stats(svc->srv_stats);
- svc->srv_stats = NULL;
- }
+ if (svc->srv_procroot != NULL)
+ lprocfs_remove(&svc->srv_procroot);
+ if (svc->srv_stats)
+ lprocfs_free_stats(&svc->srv_stats);
}
+
void ptlrpc_lprocfs_unregister_obd(struct obd_device *obd)
{
- if (obd->obd_svc_procroot) {
- lprocfs_remove(obd->obd_svc_procroot);
- obd->obd_svc_procroot = NULL;
- }
- if (obd->obd_svc_stats) {
- lprocfs_free_stats(obd->obd_svc_stats);
- obd->obd_svc_stats = NULL;
- }
+ if (obd->obd_svc_procroot)
+ lprocfs_remove(&obd->obd_svc_procroot);
+ if (obd->obd_svc_stats)
+ lprocfs_free_stats(&obd->obd_svc_stats);
}
+EXPORT_SYMBOL(ptlrpc_lprocfs_unregister_obd);
+
+
+int lprocfs_wr_evict_client(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ char tmpbuf[sizeof(struct obd_uuid)];
+
+ /* Kludge code(deadlock situation): the lprocfs lock has been held
+ * since the client is evicted by writting client's
+ * uuid/nid to procfs "evict_client" entry. However,
+ * obd_export_evict_by_uuid() will call lprocfs_remove() to destroy
+ * the proc entries under the being destroyed export{}, so I have
+ * to drop the lock at first here.
+ * - jay, jxiong@clusterfs.com */
+ class_incref(obd);
+ LPROCFS_EXIT();
+
+ sscanf(buffer, "%40s", tmpbuf);
+ obd_export_evict_by_uuid(obd, tmpbuf);
+
+ LPROCFS_ENTRY();
+ class_decref(obd);
+
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_wr_evict_client);
+
+int lprocfs_wr_ping(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct ptlrpc_request *req;
+ int rc;
+ ENTRY;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ req = ptlrpc_prep_req(obd->u.cli.cl_import, LUSTRE_OBD_VERSION,
+ OBD_PING, 1, NULL, NULL);
+ LPROCFS_CLIMP_EXIT(obd);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ ptlrpc_req_set_repsize(req, 1, NULL);
+ req->rq_send_state = LUSTRE_IMP_FULL;
+ req->rq_no_resend = 1;
+
+ rc = ptlrpc_queue_wait(req);
+
+ ptlrpc_req_finished(req);
+ if (rc >= 0)
+ RETURN(count);
+ RETURN(rc);
+}
+EXPORT_SYMBOL(lprocfs_wr_ping);
+
#endif /* LPROCFS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff