commit 0b376a9e82539621accd54e77f6c09493ed2fa33 Author: David Goulet dgoulet@torproject.org Date: Tue Sep 28 22:37:25 2021 +0000

trace: Add congestion control BDP update tracepoints

Signed-off-by: David Goulet dgoulet@torproject.org --- src/core/or/congestion_control_common.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/core/or/congestion_control_common.c b/src/core/or/congestion_control_common.c index fa603e8df8..51691c106d 100644 --- a/src/core/or/congestion_control_common.c +++ b/src/core/or/congestion_control_common.c @@ -22,6 +22,7 @@ #include "core/or/congestion_control_nola.h" #include "core/or/congestion_control_westwood.h" #include "core/or/congestion_control_st.h" +#include "core/or/trace_probes_cc.h" #include "lib/time/compat_time.h" #include "feature/nodelist/networkstatus.h"

@@ -915,7 +916,12 @@ congestion_control_update_circuit_bdp(congestion_control_t *cc,

/* We updated BDP this round if either we had a blocked channel, or * the curr_rtt_usec was not 0. */ - return (blocked_on_chan || curr_rtt_usec != 0); + bool ret = (blocked_on_chan || curr_rtt_usec != 0); + if (ret) { + tor_trace(TR_SUBSYS(cc), TR_EV(bdp_update), circ, cc, curr_rtt_usec, + sendme_rate_bdp); + } + return ret; }

/**