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authorRaghavendra Bhat <raghavendrabhat@gluster.com>2011-07-20 12:35:14 +0530
committerAnand Avati <avati@gluster.com>2011-07-20 06:15:23 -0700
commitc6053cac7794dfd9bf693e91cd76c2a45d7859eb (patch)
tree3d5a383221a908c5ce2db53caf0c05fdb6d2e1dc /xlators/debug/io-stats
parenta7e38564ec859afc15274a0d9a16d6e04ed3f6e2 (diff)
debug/io-stats: print the time at which maximum fds were open in gluster top
Change-Id: I257bc29945d5acf8fb316f396fb011a2ab652d7a BUG: 3076 Reviewed-on: http://review.gluster.com/54 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Shishir Gowda <shishirng@gluster.com>
Diffstat (limited to 'xlators/debug/io-stats')
-rw-r--r--xlators/debug/io-stats/src/io-stats.c37
1 files changed, 30 insertions, 7 deletions
diff --git a/xlators/debug/io-stats/src/io-stats.c b/xlators/debug/io-stats/src/io-stats.c
index 7747e7fb2fe..3a203244421 100644
--- a/xlators/debug/io-stats/src/io-stats.c
+++ b/xlators/debug/io-stats/src/io-stats.c
@@ -110,6 +110,7 @@ struct ios_global_stats {
struct ios_lat latency[GF_FOP_MAXVALUE];
uint64_t nr_opens;
uint64_t max_nr_opens;
+ struct timeval max_openfd_time;
};
@@ -598,6 +599,8 @@ io_stats_dump_global_to_logfp (xlator_t *this, struct ios_global_stats *stats,
int i = 0;
struct ios_stat_head *list_head = NULL;
struct ios_conf *conf = NULL;
+ struct tm *tm = NULL;
+ char timestr[256] = {0, };
conf = this->private;
@@ -640,9 +643,15 @@ io_stats_dump_global_to_logfp (xlator_t *this, struct ios_global_stats *stats,
if (interval == -1) {
LOCK (&conf->lock);
{
- ios_log (this, logfp, "Current open fd's: %"PRId64
- " Max open fd's: %"PRId64,conf->cumulative.nr_opens,
- conf->cumulative.max_nr_opens);
+ tm = localtime (&conf->cumulative.max_openfd_time.tv_sec);
+ strftime (timestr, 256, "%Y-%m-%d %H:%M:%S", tm);
+ snprintf (timestr + strlen (timestr), 256 - strlen (timestr),
+ ".%"GF_PRI_SUSECONDS,
+ conf->cumulative.max_openfd_time.tv_usec);
+ ios_log (this, logfp, "Current open fd's: %"PRId64
+ " Max open fd's: %"PRId64" time %s",
+ conf->cumulative.nr_opens,
+ conf->cumulative.max_nr_opens, timestr);
}
UNLOCK (&conf->lock);
ios_log (this, logfp, "==========Open file stats========");
@@ -1018,6 +1027,8 @@ io_stats_dump_stats_to_dict (xlator_t *this, dict_t *resp,
struct ios_stat_list *entry = NULL;
int ret = -1;
ios_stats_thru_t index = IOS_STATS_THRU_MAX;
+ struct tm *tm = NULL;
+ char timestr[256] = {0, };
conf = this->private;
@@ -1031,7 +1042,16 @@ io_stats_dump_stats_to_dict (xlator_t *this, dict_t *resp,
if (ret)
goto out;
ret = dict_set_uint64 (resp, "max-open",
- conf->cumulative.max_nr_opens);
+ conf->cumulative.max_nr_opens);
+
+ tm = localtime (&conf->cumulative.max_openfd_time.tv_sec);
+ strftime (timestr, 256, "%Y-%m-%d %H:%M:%S", tm);
+ snprintf (timestr + strlen (timestr), 256 - strlen (timestr),
+ ".%"GF_PRI_SUSECONDS,
+ conf->cumulative.max_openfd_time.tv_usec);
+
+ ret = dict_set_str (resp, "max-openfd-time",
+ timestr);
if (ret)
goto out;
}
@@ -1138,8 +1158,10 @@ io_stats_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
LOCK (&conf->lock);
{
conf->cumulative.nr_opens++;
- if (conf->cumulative.nr_opens > conf->cumulative.max_nr_opens)
+ if (conf->cumulative.nr_opens > conf->cumulative.max_nr_opens) {
conf->cumulative.max_nr_opens = conf->cumulative.nr_opens;
+ conf->cumulative.max_openfd_time = iosfd->opened_at;
+ }
}
UNLOCK (&conf->lock);
@@ -1198,11 +1220,12 @@ io_stats_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
LOCK (&conf->lock);
{
conf->cumulative.nr_opens++;
- if (conf->cumulative.nr_opens > conf->cumulative.max_nr_opens)
+ if (conf->cumulative.nr_opens > conf->cumulative.max_nr_opens) {
conf->cumulative.max_nr_opens = conf->cumulative.nr_opens;
+ conf->cumulative.max_openfd_time = iosfd->opened_at;
+ }
}
UNLOCK (&conf->lock);
-
if (iosstat) {
BUMP_STATS (iosstat, IOS_STATS_TYPE_OPEN);
iosstat = NULL;