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md-cache: Provide statistics to the monitor

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Updates: #427

Change-Id: Ib1f45016ac75d7bc2755db0dd4b68ce1d95d26c3
Signed-off-by: Poornima G <pgurusid@redhat.com>
This commit is contained in:
Poornima G 2018-03-13 17:38:19 +05:30
parent bc04046f0e
commit bf671adddf
1 changed files with 57 additions and 9 deletions
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66
xlators/performance/md-cache/src/md-cache.c
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@ -2632,6 +2632,38 @@ mdc_priv_dump (xlator_t *this)
}
static int32_t
mdc_dump_metrics (xlator_t *this, int fd)
{
struct mdc_conf *conf = NULL;
conf = this->private;
if (!conf)
goto out;
dprintf (fd, "%s.stat_cache_hit_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->mdc_counter.stat_hit));
dprintf (fd, "%s.stat_cache_miss_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->mdc_counter.stat_miss));
dprintf (fd, "%s.xattr_cache_hit_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->mdc_counter.xattr_hit));
dprintf (fd, "%s.xattr_cache_miss_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->mdc_counter.xattr_miss));
dprintf (fd, "%s.nameless_lookup_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->mdc_counter.nameless_lookup));
dprintf (fd, "%s.negative_lookup_count %"PRId64"\n", this->name,
GF_ATOMIC_GET(conf->mdc_counter.negative_lookup));
dprintf (fd, "%s.stat_cache_invalidations_received %"PRId64"\n",
this->name,
GF_ATOMIC_GET(conf->mdc_counter.stat_invals));
dprintf (fd, "%s.xattr_cache_invalidations_received %"PRId64"\n",
this->name,
GF_ATOMIC_GET(conf->mdc_counter.xattr_invals));
out:
return 0;
}
int
mdc_forget (xlator_t *this, inode_t *inode)
{
@ -2934,7 +2966,7 @@ out:
int
reconfigure (xlator_t *this, dict_t *options)
mdc_reconfigure (xlator_t *this, dict_t *options)
{
struct mdc_conf *conf = NULL;
int timeout = 0;
@ -2986,7 +3018,7 @@ out:
}
int32_t
mem_acct_init (xlator_t *this)
mdc_mem_acct_init (xlator_t *this)
{
int ret = -1;
@ -2995,7 +3027,7 @@ mem_acct_init (xlator_t *this)
}
int
init (xlator_t *this)
mdc_init (xlator_t *this)
{
struct mdc_conf *conf = NULL;
int timeout = 0;
@ -3081,7 +3113,7 @@ mdc_update_child_down_time (xlator_t *this, time_t *now)
int
notify (xlator_t *this, int event, void *data, ...)
mdc_notify (xlator_t *this, int event, void *data, ...)
{
int ret = 0;
struct mdc_conf *conf = NULL;
@ -3114,13 +3146,13 @@ notify (xlator_t *this, int event, void *data, ...)
void
fini (xlator_t *this)
mdc_fini (xlator_t *this)
{
GF_FREE (this->private);
}
struct xlator_fops fops = {
struct xlator_fops mdc_fops = {
.lookup = mdc_lookup,
.stat = mdc_stat,
.fstat = mdc_fstat,
@ -3156,17 +3188,17 @@ struct xlator_fops fops = {
};
struct xlator_cbks cbks = {
struct xlator_cbks mdc_cbks = {
.forget = mdc_forget,
};
struct xlator_dumpops dumpops = {
struct xlator_dumpops mdc_dumpops = {
.priv = mdc_priv_dump,
};
struct volume_options options[] = {
struct volume_options mdc_options[] = {
{ .key = {"cache-selinux"},
.type = GF_OPTION_TYPE_BOOL,
.default_value = "false",
@ -3256,3 +3288,19 @@ struct volume_options options[] = {
},
{ .key = {NULL} },
};
xlator_api_t xlator_api = {
.init = mdc_init,
.fini = mdc_fini,
.notify = mdc_notify,
.reconfigure = mdc_reconfigure,
.mem_acct_init = mdc_mem_acct_init,
.dump_metrics = mdc_dump_metrics,
.op_version = {1}, /* Present from the initial version */
.dumpops = &mdc_dumpops,
.fops = &mdc_fops,
.cbks = &mdc_cbks,
.options = mdc_options,
.identifier = "md-cache",
};