+ssize_t lprocfs_uint_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
+{
+ int *data = ((struct seq_file *)file->private_data)->private;
+ int val = 0, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc < 0)
+ return rc;
+
+ return lprocfs_wr_uint(file, buffer, count, data);
+}
+EXPORT_SYMBOL(lprocfs_uint_seq_write);
+
+int lprocfs_u64_seq_show(struct seq_file *m, void *data)
+{
+ LASSERT(data != NULL);
+ return seq_printf(m, LPU64"\n", *(__u64 *)data);
+}
+EXPORT_SYMBOL(lprocfs_u64_seq_show);
+
+int lprocfs_atomic_seq_show(struct seq_file *m, void *data)
+{
+ cfs_atomic_t *atom = data;
+ LASSERT(atom != NULL);
+ return seq_printf(m, "%d\n", atomic_read(atom));
+}
+EXPORT_SYMBOL(lprocfs_atomic_seq_show);
+
+ssize_t
+lprocfs_atomic_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
+{
+ cfs_atomic_t *atm = ((struct seq_file *)file->private_data)->private;
+ int val = 0;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc < 0)
+ return rc;
+
+ if (val <= 0)
+ return -ERANGE;
+
+ cfs_atomic_set(atm, val);
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_atomic_seq_write);
+
+int lprocfs_uuid_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+
+ LASSERT(obd != NULL);
+ return seq_printf(m, "%s\n", obd->obd_uuid.uuid);
+}
+EXPORT_SYMBOL(lprocfs_uuid_seq_show);
+
+int lprocfs_name_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *dev = data;
+
+ LASSERT(dev != NULL);
+ return seq_printf(m, "%s\n", dev->obd_name);
+}
+EXPORT_SYMBOL(lprocfs_name_seq_show);
+
+int lprocfs_blksize_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc)
+ rc = seq_printf(m, "%u\n", osfs.os_bsize);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_blksize_seq_show);
+
+int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_blocks;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ rc = seq_printf(m, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_kbytestotal_seq_show);
+
+int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bfree;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ rc = seq_printf(m, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_kbytesfree_seq_show);
+
+int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bavail;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ rc = seq_printf(m, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_kbytesavail_seq_show);
+
+int lprocfs_filestotal_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc)
+ rc = seq_printf(m, LPU64"\n", osfs.os_files);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_filestotal_seq_show);
+
+int lprocfs_filesfree_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc)
+ rc = seq_printf(m, LPU64"\n", osfs.os_ffree);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_filesfree_seq_show);
+
+int lprocfs_server_uuid_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_import *imp;
+ char *imp_state_name = NULL;
+ int rc = 0;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+ imp_state_name = ptlrpc_import_state_name(imp->imp_state);
+ rc = seq_printf(m, "%s\t%s%s\n", obd2cli_tgt(obd), imp_state_name,
+ imp->imp_deactive ? "\tDEACTIVATED" : "");
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_server_uuid_seq_show);
+
+int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct ptlrpc_connection *conn;
+ int rc = 0;
+
+ LASSERT(obd != NULL);
+
+ LPROCFS_CLIMP_CHECK(obd);
+ conn = obd->u.cli.cl_import->imp_connection;
+ if (conn && obd->u.cli.cl_import)
+ rc = seq_printf(m, "%s\n", conn->c_remote_uuid.uuid);
+ else
+ rc = seq_printf(m, "%s\n", "<none>");
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_conn_uuid_seq_show);
+
+/** add up per-cpu counters */
+void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
+ struct lprocfs_counter *cnt)
+{
+ unsigned int num_entry;
+ struct lprocfs_counter *percpu_cntr;
+ int i;
+ unsigned long flags = 0;
+
+ memset(cnt, 0, sizeof(*cnt));
+
+ if (stats == NULL) {
+ /* set count to 1 to avoid divide-by-zero errs in callers */
+ cnt->lc_count = 1;
+ return;
+ }
+
+ cnt->lc_min = LC_MIN_INIT;
+
+ num_entry = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
+
+ for (i = 0; i < num_entry; i++) {
+ if (stats->ls_percpu[i] == NULL)
+ continue;
+ percpu_cntr = lprocfs_stats_counter_get(stats, i, idx);
+
+ cnt->lc_count += percpu_cntr->lc_count;
+ cnt->lc_sum += percpu_cntr->lc_sum;
+ if (percpu_cntr->lc_min < cnt->lc_min)
+ cnt->lc_min = percpu_cntr->lc_min;
+ if (percpu_cntr->lc_max > cnt->lc_max)
+ cnt->lc_max = percpu_cntr->lc_max;
+ cnt->lc_sumsquare += percpu_cntr->lc_sumsquare;
+ }
+
+ lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
+}
+EXPORT_SYMBOL(lprocfs_stats_collect);
+
+/**
+ * Append a space separated list of current set flags to str.
+ */
+#define flag2seqstr(flag) \
+ do { \
+ if (imp->imp_##flag) \
+ seq_printf(m, "%s" #flag, first ? "" : ", "); \
+ } while (0)
+static int obd_import_flags2seqstr(struct obd_import *imp, struct seq_file *m)
+{
+ bool first = true;
+
+ if (imp->imp_obd->obd_no_recov) {
+ seq_printf(m, "no_recov");
+ first = false;
+ }
+
+ flag2seqstr(invalid);
+ flag2seqstr(deactive);
+ flag2seqstr(replayable);
+ flag2seqstr(pingable);
+ return 0;
+}
+#undef flags2seqstr
+
+static const char *obd_connect_names[] = {
+ "read_only",
+ "lov_index",
+ "unused",
+ "write_grant",
+ "server_lock",
+ "version",
+ "request_portal",
+ "acl",
+ "xattr",
+ "create_on_write",
+ "truncate_lock",
+ "initial_transno",
+ "inode_bit_locks",
+ "join_file(obsolete)",
+ "getattr_by_fid",
+ "no_oh_for_devices",
+ "remote_client",
+ "remote_client_by_force",
+ "max_byte_per_rpc",
+ "64bit_qdata",
+ "mds_capability",
+ "oss_capability",
+ "early_lock_cancel",
+ "som",
+ "adaptive_timeouts",
+ "lru_resize",
+ "mds_mds_connection",
+ "real_conn",
+ "change_qunit_size",
+ "alt_checksum_algorithm",
+ "fid_is_enabled",
+ "version_recovery",
+ "pools",
+ "grant_shrink",
+ "skip_orphan",
+ "large_ea",
+ "full20",
+ "layout_lock",
+ "64bithash",
+ "object_max_bytes",
+ "imp_recov",
+ "jobstats",
+ "umask",
+ "einprogress",
+ "grant_param",
+ "flock_owner",
+ "lvb_type",
+ "nanoseconds_times",
+ "lightweight_conn",
+ "short_io",
+ "pingless",
+ "flock_deadlock",
+ "disp_stripe",
+ "unknown",
+ NULL
+};
+
+static void obd_connect_seq_flags2str(struct seq_file *m, __u64 flags, char *sep)
+{
+ bool first = true;
+ __u64 mask = 1;
+ int i;
+
+ for (i = 0; obd_connect_names[i] != NULL; i++, mask <<= 1) {
+ if (flags & mask) {
+ seq_printf(m, "%s%s",
+ first ? "" : sep, obd_connect_names[i]);
+ first = false;
+ }
+ }
+ if (flags & ~(mask - 1))
+ seq_printf(m, "%sunknown flags "LPX64,
+ first ? "" : sep, flags & ~(mask - 1));
+}
+
+int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep)
+{
+ __u64 mask = 1;
+ int i, ret = 0;
+
+ for (i = 0; obd_connect_names[i] != NULL; i++, mask <<= 1) {
+ if (flags & mask)
+ ret += snprintf(page + ret, count - ret, "%s%s",
+ ret ? sep : "", obd_connect_names[i]);
+ }
+ if (flags & ~(mask - 1))
+ ret += snprintf(page + ret, count - ret,
+ "%sunknown flags "LPX64,
+ ret ? sep : "", flags & ~(mask - 1));
+ return ret;
+}
+EXPORT_SYMBOL(obd_connect_flags2str);
+
+int lprocfs_import_seq_show(struct seq_file *m, void *data)
+{
+ struct lprocfs_counter ret;
+ struct lprocfs_counter_header *header;
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_import *imp;
+ struct obd_import_conn *conn;
+ int j;
+ int k;
+ int rw = 0;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+
+ seq_printf(m,"import:\n"
+ " name: %s\n"
+ " target: %s\n"
+ " state: %s\n"
+ " instance: %u\n"
+ " connect_flags: [",
+ obd->obd_name,
+ obd2cli_tgt(obd),
+ ptlrpc_import_state_name(imp->imp_state),
+ imp->imp_connect_data.ocd_instance);
+ obd_connect_seq_flags2str(m, imp->imp_connect_data.ocd_connect_flags,
+ ", ");
+ seq_printf(m, "]\n"
+ " import_flags: [");
+ obd_import_flags2seqstr(imp, m);
+
+ seq_printf(m, "]\n"
+ " connection:\n"
+ " failover_nids: [");
+ spin_lock(&imp->imp_lock);
+ j = 0;
+ list_for_each_entry(conn, &imp->imp_conn_list, oic_item) {
+ seq_printf(m, "%s%s", j ? ", " : "",
+ libcfs_nid2str(conn->oic_conn->c_peer.nid));
+ j++;
+ }
+ seq_printf(m, "]\n"
+ " current_connection: %s\n"
+ " connection_attempts: %u\n"
+ " generation: %u\n"
+ " in-progress_invalidations: %u\n",
+ imp->imp_connection == NULL ? "<none>" :
+ libcfs_nid2str(imp->imp_connection->c_peer.nid),
+ imp->imp_conn_cnt,
+ imp->imp_generation,
+ atomic_read(&imp->imp_inval_count));
+ spin_unlock(&imp->imp_lock);
+
+ if (obd->obd_svc_stats == NULL)
+ goto out_climp;
+
+ header = &obd->obd_svc_stats->ls_cnt_header[PTLRPC_REQWAIT_CNTR];
+ lprocfs_stats_collect(obd->obd_svc_stats, PTLRPC_REQWAIT_CNTR, &ret);
+ if (ret.lc_count != 0) {
+ /* first argument to do_div MUST be __u64 */
+ __u64 sum = ret.lc_sum;
+ do_div(sum, ret.lc_count);
+ ret.lc_sum = sum;
+ } else
+ ret.lc_sum = 0;
+ seq_printf(m, " rpcs:\n"
+ " inflight: %u\n"
+ " unregistering: %u\n"
+ " timeouts: %u\n"
+ " avg_waittime: "LPU64" %s\n",
+ atomic_read(&imp->imp_inflight),
+ atomic_read(&imp->imp_unregistering),
+ atomic_read(&imp->imp_timeouts),
+ ret.lc_sum, header->lc_units);
+
+ k = 0;
+ for(j = 0; j < IMP_AT_MAX_PORTALS; j++) {
+ if (imp->imp_at.iat_portal[j] == 0)
+ break;
+ k = max_t(unsigned int, k,
+ at_get(&imp->imp_at.iat_service_estimate[j]));
+ }
+ seq_printf(m, " service_estimates:\n"
+ " services: %u sec\n"
+ " network: %u sec\n",
+ k,
+ at_get(&imp->imp_at.iat_net_latency));
+
+ seq_printf(m, " transactions:\n"
+ " last_replay: "LPU64"\n"
+ " peer_committed: "LPU64"\n"
+ " last_checked: "LPU64"\n",
+ imp->imp_last_replay_transno,
+ imp->imp_peer_committed_transno,
+ imp->imp_last_transno_checked);
+
+ /* avg data rates */
+ for (rw = 0; rw <= 1; rw++) {
+ lprocfs_stats_collect(obd->obd_svc_stats,
+ PTLRPC_LAST_CNTR + BRW_READ_BYTES + rw,
+ &ret);
+ if (ret.lc_sum > 0 && ret.lc_count > 0) {
+ /* first argument to do_div MUST be __u64 */
+ __u64 sum = ret.lc_sum;
+ do_div(sum, ret.lc_count);
+ ret.lc_sum = sum;
+ seq_printf(m, " %s_data_averages:\n"
+ " bytes_per_rpc: "LPU64"\n",
+ rw ? "write" : "read",
+ ret.lc_sum);
+ }
+ k = (int)ret.lc_sum;
+ j = opcode_offset(OST_READ + rw) + EXTRA_MAX_OPCODES;
+ header = &obd->obd_svc_stats->ls_cnt_header[j];
+ lprocfs_stats_collect(obd->obd_svc_stats, j, &ret);
+ if (ret.lc_sum > 0 && ret.lc_count != 0) {
+ /* first argument to do_div MUST be __u64 */
+ __u64 sum = ret.lc_sum;
+ do_div(sum, ret.lc_count);
+ ret.lc_sum = sum;
+ seq_printf(m, " %s_per_rpc: "LPU64"\n",
+ header->lc_units, ret.lc_sum);
+ j = (int)ret.lc_sum;
+ if (j > 0)
+ seq_printf(m, " MB_per_sec: %u.%.02u\n",
+ k / j, (100 * k / j) % 100);
+ }
+ }
+
+out_climp:
+ LPROCFS_CLIMP_EXIT(obd);
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_import_seq_show);
+
+int lprocfs_state_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_import *imp;
+ int j, k;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+
+ seq_printf(m, "current_state: %s\n",
+ ptlrpc_import_state_name(imp->imp_state));
+ seq_printf(m, "state_history:\n");
+ k = imp->imp_state_hist_idx;
+ for (j = 0; j < IMP_STATE_HIST_LEN; j++) {
+ struct import_state_hist *ish =
+ &imp->imp_state_hist[(k + j) % IMP_STATE_HIST_LEN];
+ if (ish->ish_state == 0)
+ continue;
+ seq_printf(m, " - ["CFS_TIME_T", %s]\n",
+ ish->ish_time,
+ ptlrpc_import_state_name(ish->ish_state));
+ }
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_state_seq_show);
+
+int lprocfs_seq_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at)
+{
+ int i;
+ for (i = 0; i < AT_BINS; i++)
+ seq_printf(m, "%3u ", at->at_hist[i]);
+ seq_printf(m, "\n");
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_seq_at_hist_helper);
+
+/* See also ptlrpc_lprocfs_timeouts_show_seq */
+int lprocfs_timeouts_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_import *imp;
+ unsigned int cur, worst;
+ time_t now, worstt;
+ struct dhms ts;
+ int i;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+
+ now = cfs_time_current_sec();
+
+ /* Some network health info for kicks */
+ s2dhms(&ts, now - imp->imp_last_reply_time);
+ seq_printf(m, "%-10s : %ld, "DHMS_FMT" ago\n",
+ "last reply", imp->imp_last_reply_time, DHMS_VARS(&ts));
+
+ cur = at_get(&imp->imp_at.iat_net_latency);
+ worst = imp->imp_at.iat_net_latency.at_worst_ever;
+ worstt = imp->imp_at.iat_net_latency.at_worst_time;
+ s2dhms(&ts, now - worstt);
+ seq_printf(m, "%-10s : cur %3u worst %3u (at %ld, "DHMS_FMT" ago) ",
+ "network", cur, worst, worstt, DHMS_VARS(&ts));
+ lprocfs_seq_at_hist_helper(m, &imp->imp_at.iat_net_latency);
+
+ for(i = 0; i < IMP_AT_MAX_PORTALS; i++) {
+ if (imp->imp_at.iat_portal[i] == 0)
+ break;
+ cur = at_get(&imp->imp_at.iat_service_estimate[i]);
+ worst = imp->imp_at.iat_service_estimate[i].at_worst_ever;
+ worstt = imp->imp_at.iat_service_estimate[i].at_worst_time;
+ s2dhms(&ts, now - worstt);
+ seq_printf(m, "portal %-2d : cur %3u worst %3u (at %ld, "
+ DHMS_FMT" ago) ", imp->imp_at.iat_portal[i],
+ cur, worst, worstt, DHMS_VARS(&ts));
+ lprocfs_seq_at_hist_helper(m, &imp->imp_at.iat_service_estimate[i]);
+ }
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_timeouts_seq_show);
+
+int lprocfs_connect_flags_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ __u64 flags;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ flags = obd->u.cli.cl_import->imp_connect_data.ocd_connect_flags;
+ seq_printf(m, "flags="LPX64"\n", flags);
+ obd_connect_seq_flags2str(m, flags, "\n");
+ seq_printf(m, "\n");
+ LPROCFS_CLIMP_EXIT(obd);
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_connect_flags_seq_show);
+
+#ifndef HAVE_ONLY_PROCFS_SEQ
+
+int lprocfs_rd_uint(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ unsigned int *temp = data;
+ return snprintf(page, count, "%u\n", *temp);
+}
+EXPORT_SYMBOL(lprocfs_rd_uint);
+
git://git.whamcloud.com / fs / lustre-release.git / commitdiff