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nl-cache: Provide statistics to the monitor

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Updates: #429

Change-Id: Ic2e64422055f1838d5d453643c739ef1e9319cfe
Signed-off-by: Poornima G <pgurusid@redhat.com>
This commit is contained in:
Poornima G 2018-03-13 17:51:29 +05:30
parent bf671adddf
commit e043938e28
1 changed files with 61 additions and 9 deletions
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70
xlators/performance/nl-cache/src/nl-cache.c
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@ -541,7 +541,7 @@ out:
int
notify (xlator_t *this, int event, void *data, ...)
nlc_notify (xlator_t *this, int event, void *data, ...)
{
int ret = 0;
time_t now = 0;
@ -646,8 +646,45 @@ nlc_priv_dump (xlator_t *this)
}
static int32_t
nlc_dump_metrics (xlator_t *this, int fd)
{
nlc_conf_t *conf = NULL;
conf = this->private;
dprintf (fd, "%s.negative_lookup_hit_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->nlc_counter.nlc_hit));
dprintf (fd, "%s.negative_lookup_miss_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->nlc_counter.nlc_miss));
dprintf (fd, "%s.get_real_filename_hit_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->nlc_counter.getrealfilename_hit));
dprintf (fd, "%s.get_real_filename_miss_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->nlc_counter.getrealfilename_miss));
dprintf (fd, "%s.nameless_lookup_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->nlc_counter.nameless_lookup));
dprintf (fd, "%s.inodes_with_positive_dentry_cache %"PRId64"\n",
this->name,
GF_ATOMIC_GET(conf->nlc_counter.pe_inode_cnt));
dprintf (fd, "%s.inodes_with_negative_dentry_cache %"PRId64"\n",
this->name, GF_ATOMIC_GET(conf->nlc_counter.ne_inode_cnt));
dprintf (fd, "%s.dentry_invalidations_recieved %"PRId64"\n",
this->name, GF_ATOMIC_GET(conf->nlc_counter.nlc_invals));
dprintf (fd, "%s.cache_limit %"PRIu64"\n", this->name,
conf->cache_size);
dprintf (fd, "%s.consumed_cache_size %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->current_cache_size));
dprintf (fd, "%s.inode_limit %"PRIu64"\n", this->name,
conf->inode_limit);
dprintf (fd, "%s.consumed_inodes %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->refd_inodes));
return 0;
}
void
fini (xlator_t *this)
nlc_fini (xlator_t *this)
{
nlc_conf_t *conf = NULL;
@ -661,7 +698,7 @@ fini (xlator_t *this)
int32_t
mem_acct_init (xlator_t *this)
nlc_mem_acct_init (xlator_t *this)
{
int ret = -1;
@ -671,7 +708,7 @@ mem_acct_init (xlator_t *this)
int32_t
reconfigure (xlator_t *this, dict_t *options)
nlc_reconfigure (xlator_t *this, dict_t *options)
{
nlc_conf_t *conf = NULL;
@ -690,7 +727,7 @@ out:
int32_t
init (xlator_t *this)
nlc_init (xlator_t *this)
{
nlc_conf_t *conf = NULL;
int ret = -1;
@ -749,7 +786,7 @@ out:
}
struct xlator_fops fops = {
struct xlator_fops nlc_fops = {
.rename = nlc_rename,
.mknod = nlc_mknod,
.create = nlc_create,
@ -768,17 +805,17 @@ struct xlator_fops fops = {
};
struct xlator_cbks cbks = {
struct xlator_cbks nlc_cbks = {
.forget = nlc_forget,
};
struct xlator_dumpops dumpops = {
struct xlator_dumpops nlc_dumpops = {
.inodectx = nlc_inodectx,
.priv = nlc_priv_dump,
};
struct volume_options options[] = {
struct volume_options nlc_options[] = {
{ .key = {"nl-cache-positive-entry"},
.type = GF_OPTION_TYPE_BOOL,
.default_value = "false",
@ -806,3 +843,18 @@ struct volume_options options[] = {
},
{ .key = {NULL} },
};
xlator_api_t xlator_api = {
.init = nlc_init,
.fini = nlc_fini,
.notify = nlc_notify,
.reconfigure = nlc_reconfigure,
.mem_acct_init = nlc_mem_acct_init,
.dump_metrics = nlc_dump_metrics,
.op_version = {1}, /* Present from the initial version */
.dumpops = &nlc_dumpops,
.fops = &nlc_fops,
.cbks = &nlc_cbks,
.options = nlc_options,
.identifier = "nl-cache",
};