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trace: Add congestion control BDP update tracepoints

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Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet
2021-09-28 22:37:25 +00:00
parent 896c16c3b1
commit 0b376a9e82
1 changed files with 7 additions and 1 deletions
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src/core/or/congestion_control_common.c
+7 -1
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@@ -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;
}
/**