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MINOR: stats: add 3 fields to report the frontend-specific connection stats

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Frontends have extra information compared to other entities, they can
report some statistics at the connection level while the other ones
are limited to the session level. This patch adds 3 more fields for
this :
 - conn_rate
 - conn_rate_max
 - conn_tot

It's worth noting that listeners theorically have such statistics, except
that the distinction between connections and sessions is not clearly made
in the code, so that will have to be improved later.
This commit is contained in:
Willy Tarreau 2016-01-11 13:52:04 +01:00
parent f1516d9840
commit c73810f94f
2 changed files with 19 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
doc/management.txt
View File

@ -899,7 +899,7 @@ S (Servers).
4. scur [LFBS]: current sessions
5. smax [LFBS]: max sessions
6. slim [LFBS]: configured session limit
7. stot [LFBS]: cumulative number of connections
7. stot [LFBS]: cumulative number of sessions
8. bin [LFBS]: bytes in
9. bout [LFBS]: bytes out
10. dreq [LFB.]: requests denied because of security concerns.
@ -1026,6 +1026,9 @@ S (Servers).
74: cookie [..BS]: server's cookie value or backend's cookie name
75: mode [LFBS]: proxy mode (tcp, http, health, unknown)
76: algo [..B.]: load balancing algorithm
77: conn_rate [.F..]: number of connections over the last elapsed second
78: conn_rate_max [.F..]: highest known conn_rate
79: conn_tot [.F..]: cumulative number of connections
9.2. Unix Socket commands

19
src/dumpstats.c
View File

@ -337,6 +337,9 @@ enum stat_field {
ST_F_COOKIE,
ST_F_MODE,
ST_F_ALGO,
ST_F_CONN_RATE,
ST_F_CONN_RATE_MAX,
ST_F_CONN_TOT,
/* must always be the last one */
ST_F_TOTAL_FIELDS
@ -424,6 +427,9 @@ const char *stat_field_names[ST_F_TOTAL_FIELDS] = {
[ST_F_COOKIE] = "cookie",
[ST_F_MODE] = "mode",
[ST_F_ALGO] = "algo",
[ST_F_CONN_RATE] = "conn_rate",
[ST_F_CONN_RATE_MAX] = "conn_rate_max",
[ST_F_CONN_TOT] = "conn_tot",
};
/* one line of stats */
@ -3285,7 +3291,7 @@ static int stats_dump_fields_html(const struct field *stats, int admin, unsigned
"<tr><th>Current session rate:</th><td>%s/s</td></tr>"
"",
U2H(stats[ST_F_RATE].u.u32),
U2H(read_freq_ctr(&px->fe_conn_per_sec)),
U2H(stats[ST_F_CONN_RATE].u.u32),
U2H(stats[ST_F_RATE].u.u32));
if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
@ -3301,7 +3307,7 @@ static int stats_dump_fields_html(const struct field *stats, int admin, unsigned
"<tr><th>Max session rate:</th><td>%s/s</td></tr>"
"",
U2H(stats[ST_F_RATE_MAX].u.u32),
U2H(px->fe_counters.cps_max),
U2H(stats[ST_F_CONN_RATE_MAX].u.u32),
U2H(stats[ST_F_RATE_MAX].u.u32));
if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
@ -3322,9 +3328,9 @@ static int stats_dump_fields_html(const struct field *stats, int admin, unsigned
"<tr><th>Cum. connections:</th><td>%s</td></tr>"
"<tr><th>Cum. sessions:</th><td>%s</td></tr>"
"",
U2H(stats[ST_F_SCUR].u.u32), U2H(px->fe_counters.conn_max), U2H(stats[ST_F_SLIM].u.u32),
U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
U2H(stats[ST_F_STOT].u.u64),
U2H(px->fe_counters.cum_conn),
U2H(stats[ST_F_CONN_TOT].u.u64),
U2H(stats[ST_F_STOT].u.u64));
/* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
@ -3947,6 +3953,11 @@ static int stats_dump_fe_stats(struct stream_interface *si, struct proxy *px)
stats[ST_F_COMP_BYP] = mkf_u64(FN_COUNTER, px->fe_counters.comp_byp);
stats[ST_F_COMP_RSP] = mkf_u64(FN_COUNTER, px->fe_counters.p.http.comp_rsp);
/* connections : conn_rate, conn_rate_max, conn_tot, conn_max */
stats[ST_F_CONN_RATE] = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_conn_per_sec));
stats[ST_F_CONN_RATE_MAX] = mkf_u32(FN_MAX, px->fe_counters.cps_max);
stats[ST_F_CONN_TOT] = mkf_u64(FN_COUNTER, px->fe_counters.cum_conn);
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
int admin;