int ldlm_debugfs_setup(void)
{
int rc;
ldlm_debugfs_dir = ldebugfs_register(OBD_LDLM_DEVICENAME,
debugfs_lustre_root,
NULL, NULL);
if (IS_ERR_OR_NULL(ldlm_debugfs_dir)) {
CERROR("LProcFS failed in ldlm-init\n");
rc = ldlm_debugfs_dir ? PTR_ERR(ldlm_debugfs_dir) : -ENOMEM;
goto err;
}
ldlm_ns_debugfs_dir = ldebugfs_register("namespaces",
ldlm_debugfs_dir,
NULL, NULL);
if (IS_ERR_OR_NULL(ldlm_ns_debugfs_dir)) {
CERROR("LProcFS failed in ldlm-init\n");
rc = ldlm_ns_debugfs_dir ? PTR_ERR(ldlm_ns_debugfs_dir)
: -ENOMEM;
goto err_type;
}
ldlm_svc_debugfs_dir = ldebugfs_register("services",
ldlm_debugfs_dir,
NULL, NULL);
if (IS_ERR_OR_NULL(ldlm_svc_debugfs_dir)) {
CERROR("LProcFS failed in ldlm-init\n");
rc = ldlm_svc_debugfs_dir ? PTR_ERR(ldlm_svc_debugfs_dir)
: -ENOMEM;
goto err_ns;
}
rc = ldebugfs_add_vars(ldlm_debugfs_dir, ldlm_debugfs_list, NULL);
if (rc) {
CERROR("LProcFS failed in ldlm-init\n");
goto err_svc;
}
return 0;
err_svc:
ldebugfs_remove(&ldlm_svc_debugfs_dir);
err_ns:
ldebugfs_remove(&ldlm_ns_debugfs_dir);
err_type:
ldebugfs_remove(&ldlm_debugfs_dir);
err:
ldlm_svc_debugfs_dir = NULL;
ldlm_ns_debugfs_dir = NULL;
ldlm_debugfs_dir = NULL;
return rc;
}
void ldlm_debugfs_cleanup(void)
{
if (!IS_ERR_OR_NULL(ldlm_svc_debugfs_dir))
ldebugfs_remove(&ldlm_svc_debugfs_dir);
if (!IS_ERR_OR_NULL(ldlm_ns_debugfs_dir))
ldebugfs_remove(&ldlm_ns_debugfs_dir);
if (!IS_ERR_OR_NULL(ldlm_debugfs_dir))
ldebugfs_remove(&ldlm_debugfs_dir);
ldlm_svc_debugfs_dir = NULL;
ldlm_ns_debugfs_dir = NULL;
ldlm_debugfs_dir = NULL;
}
static void ldlm_namespace_debugfs_unregister(struct ldlm_namespace *ns)
{
if (IS_ERR_OR_NULL(ns->ns_debugfs_entry))
CERROR("dlm namespace %s has no procfs dir?\n",
ldlm_ns_name(ns));
else
ldebugfs_remove(&ns->ns_debugfs_entry);
if (ns->ns_stats)
lprocfs_free_stats(&ns->ns_stats);
}
static void __exit fid_exit(void)
{
if (!IS_ERR_OR_NULL(seq_debugfs_dir))
ldebugfs_remove(&seq_debugfs_dir);
}
static void seq_client_debugfs_fini(struct lu_client_seq *seq)
{
if (!IS_ERR_OR_NULL(seq->lcs_debugfs_entry))
ldebugfs_remove(&seq->lcs_debugfs_entry);
}
void sptlrpc_lproc_fini(void)
{
if (!IS_ERR_OR_NULL(sptlrpc_debugfs_dir))
ldebugfs_remove(&sptlrpc_debugfs_dir);
}
static void
ptlrpc_ldebugfs_register(struct dentry *root, char *dir,
char *name,
struct dentry **debugfs_root_ret,
struct lprocfs_stats **stats_ret)
{
struct dentry *svc_debugfs_entry;
struct lprocfs_stats *svc_stats;
int i, rc;
unsigned int svc_counter_config = LPROCFS_CNTR_AVGMINMAX |
LPROCFS_CNTR_STDDEV;
LASSERT(!*debugfs_root_ret);
LASSERT(!*stats_ret);
svc_stats = lprocfs_alloc_stats(EXTRA_MAX_OPCODES+LUSTRE_MAX_OPCODES,
0);
if (!svc_stats)
return;
if (dir) {
svc_debugfs_entry = ldebugfs_register(dir, root, NULL, NULL);
if (IS_ERR(svc_debugfs_entry)) {
lprocfs_free_stats(&svc_stats);
return;
}
} else {
svc_debugfs_entry = root;
}
lprocfs_counter_init(svc_stats, PTLRPC_REQWAIT_CNTR,
svc_counter_config, "req_waittime", "usec");
lprocfs_counter_init(svc_stats, PTLRPC_REQQDEPTH_CNTR,
svc_counter_config, "req_qdepth", "reqs");
lprocfs_counter_init(svc_stats, PTLRPC_REQACTIVE_CNTR,
svc_counter_config, "req_active", "reqs");
lprocfs_counter_init(svc_stats, PTLRPC_TIMEOUT,
svc_counter_config, "req_timeout", "sec");
lprocfs_counter_init(svc_stats, PTLRPC_REQBUF_AVAIL_CNTR,
svc_counter_config, "reqbuf_avail", "bufs");
for (i = 0; i < EXTRA_LAST_OPC; i++) {
char *units;
switch (i) {
case BRW_WRITE_BYTES:
case BRW_READ_BYTES:
units = "bytes";
break;
default:
units = "reqs";
break;
}
lprocfs_counter_init(svc_stats, PTLRPC_LAST_CNTR + i,
svc_counter_config,
ll_eopcode2str(i), units);
}
for (i = 0; i < LUSTRE_MAX_OPCODES; i++) {
__u32 opcode = ll_rpc_opcode_table[i].opcode;
lprocfs_counter_init(svc_stats,
EXTRA_MAX_OPCODES + i, svc_counter_config,
ll_opcode2str(opcode), "usec");
}
rc = ldebugfs_register_stats(svc_debugfs_entry, name, svc_stats);
if (rc < 0) {
if (dir)
ldebugfs_remove(&svc_debugfs_entry);
lprocfs_free_stats(&svc_stats);
} else {
if (dir)
*debugfs_root_ret = svc_debugfs_entry;
*stats_ret = svc_stats;
}
}