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stats: add mean and current values for OWD and rate

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This commit is contained in:
Steffen Vogel 2017-08-30 19:50:17 +02:00
parent f994e996a0
commit 3dafefb8d2
2 changed files with 14 additions and 7 deletions
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3
include/villas/hist.h
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@ -57,6 +57,9 @@ struct hist {
double _m[2], _s[2]; /**< Private variables for online variance calculation */
};
#define hist_last(h) ((h)->last)
#define hist_total(h) ((h)->total)
/** Initialize struct hist with supplied values and allocate memory for buckets. */
int hist_init(struct hist *h, int buckets, hist_cnt_t warmup);

18
lib/stats.c
View file

@ -160,8 +160,10 @@ void stats_reset(struct stats *s)
static struct table_column stats_cols[] = {
{ 35, "Path", "%s", NULL, TABLE_ALIGN_LEFT },
{ 10, "Cnt", "%ju", "p", TABLE_ALIGN_RIGHT },
{ 10, "OWD", "%f", "S", TABLE_ALIGN_RIGHT },
{ 10, "Rate", "%f", "p/S", TABLE_ALIGN_RIGHT },
{ 10, "OWD last", "%f", "S", TABLE_ALIGN_RIGHT },
{ 10, "OWD mean", "%f", "S", TABLE_ALIGN_RIGHT },
{ 10, "Rate last", "%f", "p/S", TABLE_ALIGN_RIGHT },
{ 10, "Rate mean", "%f", "p/S", TABLE_ALIGN_RIGHT },
{ 10, "Drop", "%ju", "p", TABLE_ALIGN_RIGHT },
{ 10, "Skip", "%ju", "p", TABLE_ALIGN_RIGHT }
};
@ -199,11 +201,13 @@ void stats_print_periodic(struct stats *s, FILE *f, enum stats_format fmt, int v
case STATS_FORMAT_HUMAN:
table_row(&stats_table,
path_name(p),
s->histograms[STATS_OWD].total,
s->histograms[STATS_OWD].last,
1.0 / s->histograms[STATS_GAP_SAMPLE].last,
s->histograms[STATS_REORDERED].total,
s->histograms[STATS_SKIPPED].total
hist_total(&s->histograms[STATS_OWD]),
hist_last(&s->histograms[STATS_OWD]),
hist_mean(&s->histograms[STATS_OWD]),
1.0 / hist_last(&s->histograms[STATS_GAP_RECEIVED]),
1.0 / hist_mean(&s->histograms[STATS_GAP_RECEIVED]),
hist_total(&s->histograms[STATS_REORDERED]),
hist_total(&s->histograms[STATS_SKIPPED])
);
break;