[tor-commits] [tor/master] Lower circuit build time bin width to 10ms.

[asn at torproject.org]

commit 406400a74d917ec997d26afdf4ae97d9826820fe
Author: Mike Perry <mikeperry-git at torproject.org>
Date:   Wed Nov 4 12:30:50 2020 -0600

    Lower circuit build time bin width to 10ms.
    
    50ms is not enough resolution. CBT can be as low as 80ms in datacenter
    clients close to their relays.
---
 src/core/or/circuitstats.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/or/circuitstats.h b/src/core/or/circuitstats.h
index e7262e9e82..15fe23641e 100644
--- a/src/core/or/circuitstats.h
+++ b/src/core/or/circuitstats.h
@@ -55,7 +55,7 @@ void circuit_build_times_mark_circ_as_measurement_only(origin_circuit_t *circ);
 #define CBT_NCIRCUITS_TO_OBSERVE 1000
 
 /** Width of the histogram bins in milliseconds */
-#define CBT_BIN_WIDTH ((build_time_t)50)
+#define CBT_BIN_WIDTH ((build_time_t)10)
 
 /** Number of modes to use in the weighted-avg computation of Xm */
 #define CBT_DEFAULT_NUM_XM_MODES 3