diff options
Diffstat (limited to 'net/dns/dns_transaction.cc')
| -rw-r--r-- | net/dns/dns_transaction.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/dns/dns_transaction.cc b/net/dns/dns_transaction.cc index e5afdf1..170ea67 100644 --- a/net/dns/dns_transaction.cc +++ b/net/dns/dns_transaction.cc @@ -528,6 +528,7 @@ class DnsTransactionImpl : public DnsTransaction, callback_(callback), net_log_(net_log), qnames_initial_size_(0), + attempts_count_(0), had_tcp_attempt_(false), first_server_index_(0) { DCHECK(session_.get()); @@ -641,6 +642,10 @@ class DnsTransactionImpl : public DnsTransaction, timer_.Stop(); RecordLostPacketsIfAny(); + if (result.rv == OK) + UMA_HISTOGRAM_COUNTS("AsyncDNS.AttemptCountSuccess", attempts_count_); + else + UMA_HISTOGRAM_COUNTS("AsyncDNS.AttemptCountFail", attempts_count_); if (response && qtype_ == dns_protocol::kTypeA) { UMA_HISTOGRAM_COUNTS("AsyncDNS.SuffixSearchRemain", qnames_.size()); @@ -684,6 +689,7 @@ class DnsTransactionImpl : public DnsTransaction, new DnsUDPAttempt(server_index, lease.Pass(), query.Pass()); attempts_.push_back(attempt); + ++attempts_count_; if (!got_socket) return AttemptResult(ERR_CONNECTION_REFUSED, NULL); @@ -728,6 +734,7 @@ class DnsTransactionImpl : public DnsTransaction, query.Pass()); attempts_.push_back(attempt); + ++attempts_count_; had_tcp_attempt_ = true; net_log_.AddEvent( @@ -909,6 +916,8 @@ class DnsTransactionImpl : public DnsTransaction, // List of attempts for the current name. ScopedVector<DnsAttempt> attempts_; + // Count of attempts, not reset when |attempts_| vector is cleared. + int attempts_count_; bool had_tcp_attempt_; // Index of the first server to try on each search query. |