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rephist: Add a counter for the onioniskins stats

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Current counters are reset every heartbeat. This commit adds two
counters for the assigned and dropped onionskins that are not reset so
they can be exported onto the MetricsPort.

Closes #40387

Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2021-05-12 15:31:44 -04:00
parent 3fbd510c52
commit d4fbfb54d4
3 changed files with 33 additions and 11 deletions
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4
src/feature/relay/relay_metrics.c
View File

@ -265,7 +265,7 @@ fill_onionskins_values(void)
metrics_store_entry_add_label(sentry,
metrics_format_label("action", "processed"));
metrics_store_entry_update(sentry,
rep_hist_get_circuit_handshake_assigned(t));
rep_hist_get_circuit_n_handshake_assigned(t));
sentry = metrics_store_add(the_store, rentry->type, rentry->name,
rentry->help);
@ -273,7 +273,7 @@ fill_onionskins_values(void)
metrics_store_entry_add_label(sentry,
metrics_format_label("action", "dropped"));
metrics_store_entry_update(sentry,
rep_hist_get_circuit_handshake_dropped(t));
rep_hist_get_circuit_n_handshake_dropped(t));
tor_free(type_label);
}
}

33
src/feature/stats/rephist.c
View File

@ -1997,12 +1997,18 @@ rep_hist_note_desc_served(const char * desc)
/** Internal statistics to track how many requests of each type of
* handshake we've received, and how many we've assigned to cpuworkers.
* Useful for seeing trends in cpu load.
*
* They are reset at every heartbeat.
* @{ */
STATIC int onion_handshakes_requested[MAX_ONION_HANDSHAKE_TYPE+1] = {0};
STATIC int onion_handshakes_assigned[MAX_ONION_HANDSHAKE_TYPE+1] = {0};
STATIC uint64_t onion_handshakes_dropped[MAX_ONION_HANDSHAKE_TYPE+1] = {0};
/**@}*/
/** Counters keeping the same stats as above but for the entire duration of the
* process (not reset). */
static uint64_t stats_n_onionskin_assigned[MAX_ONION_HANDSHAKE_TYPE+1] = {0};
static uint64_t stats_n_onionskin_dropped[MAX_ONION_HANDSHAKE_TYPE+1] = {0};
/** A new onionskin (using the <b>type</b> handshake) has arrived. */
void
rep_hist_note_circuit_handshake_requested(uint16_t type)
@ -2016,8 +2022,10 @@ rep_hist_note_circuit_handshake_requested(uint16_t type)
void
rep_hist_note_circuit_handshake_assigned(uint16_t type)
{
if (type <= MAX_ONION_HANDSHAKE_TYPE)
if (type <= MAX_ONION_HANDSHAKE_TYPE) {
onion_handshakes_assigned[type]++;
stats_n_onionskin_assigned[type]++;
}
}
/** We've just drop an onionskin (using the <b>type</b> handshake) due to being
@ -2025,8 +2033,9 @@ rep_hist_note_circuit_handshake_assigned(uint16_t type)
void
rep_hist_note_circuit_handshake_dropped(uint16_t type)
{
if (type <= MAX_ONION_HANDSHAKE_TYPE)
onion_handshakes_dropped[type]++;
if (type <= MAX_ONION_HANDSHAKE_TYPE) {
stats_n_onionskin_dropped[type]++;
}
}
/** Get the circuit handshake value that is requested. */
@ -2049,14 +2058,24 @@ rep_hist_get_circuit_handshake_assigned, (uint16_t type))
return onion_handshakes_assigned[type];
}
/** Get the circuit handshake value that is dropped. */
/** Get the total number of circuit handshake value that is assigned. */
MOCK_IMPL(uint64_t,
rep_hist_get_circuit_handshake_dropped, (uint16_t type))
rep_hist_get_circuit_n_handshake_assigned, (uint16_t type))
{
if (BUG(type > MAX_ONION_HANDSHAKE_TYPE)) {
return 0;
}
return onion_handshakes_dropped[type];
return stats_n_onionskin_assigned[type];
}
/** Get the total number of circuit handshake value that is dropped. */
MOCK_IMPL(uint64_t,
rep_hist_get_circuit_n_handshake_dropped, (uint16_t type))
{
if (BUG(type > MAX_ONION_HANDSHAKE_TYPE)) {
return 0;
}
return stats_n_onionskin_dropped[type];
}
/** Log our onionskin statistics since the last time we were called. */

7
src/feature/stats/rephist.h
View File

@ -63,7 +63,11 @@ void rep_hist_log_circuit_handshake_stats(time_t now);
MOCK_DECL(int, rep_hist_get_circuit_handshake_requested, (uint16_t type));
MOCK_DECL(int, rep_hist_get_circuit_handshake_assigned, (uint16_t type));
MOCK_DECL(uint64_t, rep_hist_get_circuit_handshake_dropped, (uint16_t type));
MOCK_DECL(uint64_t, rep_hist_get_circuit_n_handshake_assigned,
(uint16_t type));
MOCK_DECL(uint64_t, rep_hist_get_circuit_n_handshake_dropped,
(uint16_t type));
void rep_hist_hs_stats_init(time_t now);
void rep_hist_hs_stats_term(void);
@ -90,7 +94,6 @@ extern uint32_t rephist_total_num;
#ifdef TOR_UNIT_TESTS
extern int onion_handshakes_requested[MAX_ONION_HANDSHAKE_TYPE+1];
extern int onion_handshakes_assigned[MAX_ONION_HANDSHAKE_TYPE+1];
extern uint64_t onion_handshakes_dropped[MAX_ONION_HANDSHAKE_TYPE+1];
#endif
#ifdef REPHIST_PRIVATE