diff options
| author | Christian Grothoff <christian@grothoff.org> | 2021-12-09 13:29:07 +0100 |
|---|---|---|
| committer | Christian Grothoff <christian@grothoff.org> | 2021-12-09 13:29:07 +0100 |
| commit | ce28d3b8e4aa513336030468cd08e9cb66718273 (patch) | |
| tree | 2be268a5558b7c46ff346efdb1f93a1351b6cbe0 /src | |
| parent | dcb73693dd69767828b975dc603e6b0dd2d5408d (diff) | |
add latency logging
Diffstat (limited to 'src')
| -rw-r--r-- | src/exchange/taler-exchange-httpd.c | 18 | ||||
| -rw-r--r-- | src/exchange/taler-exchange-httpd.h | 5 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/exchange/taler-exchange-httpd.c b/src/exchange/taler-exchange-httpd.c index 58e9b572a..0ba608ff4 100644 --- a/src/exchange/taler-exchange-httpd.c +++ b/src/exchange/taler-exchange-httpd.c @@ -58,6 +58,11 @@ */ #define UNIX_BACKLOG 50 +/** + * Above what request latency do we start to log? + */ +#define WARN_LATENCY GNUNET_TIME_relative_multiply ( \ + GNUNET_TIME_UNIT_MILLISECONDS, 500) /** * Are clients allowed to request /keys for times other than the @@ -383,6 +388,18 @@ handle_mhd_completion_callback (void *cls, /* Sanity-check that we didn't leave any transactions hanging */ GNUNET_break (GNUNET_OK == TEH_plugin->preflight (TEH_plugin->cls)); + { + struct GNUNET_TIME_Relative latency; + + latency = GNUNET_TIME_absolute_get_duration (rc->start_time); + if (latency.rel_value_us > + WARN_LATENCY.rel_value_us) + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "Request for `%s' took %s\n", + rc->url, + GNUNET_STRINGS_relative_time_to_string (latency, + GNUNET_YES)); + } GNUNET_free (rc); *con_cls = NULL; GNUNET_async_scope_restore (&old_scope); @@ -987,6 +1004,7 @@ handle_mhd_request (void *cls, /* We're in a new async scope! */ rc = *con_cls = GNUNET_new (struct TEH_RequestContext); + rc->start_time = GNUNET_TIME_absolute_get (); GNUNET_async_scope_fresh (&rc->async_scope_id); TEH_check_invariants (); rc->url = url; diff --git a/src/exchange/taler-exchange-httpd.h b/src/exchange/taler-exchange-httpd.h index 07f6b0231..cad74d2ed 100644 --- a/src/exchange/taler-exchange-httpd.h +++ b/src/exchange/taler-exchange-httpd.h @@ -219,6 +219,11 @@ struct TEH_RequestContext struct GNUNET_AsyncScopeId async_scope_id; /** + * When was this request started? + */ + struct GNUNET_TIME_Absolute start_time; + + /** * Opaque parsing context. */ void *opaque_post_parsing_context; |