diff options
| author | mbelshe@google.com <mbelshe@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-12-15 23:05:56 +0000 |
|---|---|---|
| committer | mbelshe@google.com <mbelshe@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-12-15 23:05:56 +0000 |
| commit | 150ca3940c2b9f7b8f8cb2732ffc5d57f46b94e0 (patch) | |
| tree | b835ca8c4d991e513dc31461bfdef4a1586ef2e5 /net | |
| parent | adea06580fdeed989187732f93bd7fc8b726ef0c (diff) | |
| download | chromium_src-150ca3940c2b9f7b8f8cb2732ffc5d57f46b94e0.zip chromium_src-150ca3940c2b9f7b8f8cb2732ffc5d57f46b94e0.tar.gz chromium_src-150ca3940c2b9f7b8f8cb2732ffc5d57f46b94e0.tar.bz2 | |
Remove the AsyncSlowStart experiment
BUG=30144
TEST=none
Review URL: http://codereview.chromium.org/491056
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@34620 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'net')
| -rw-r--r-- | net/http/http_network_transaction.cc | 12 | ||||
| -rw-r--r-- | net/socket/tcp_client_socket_win.cc | 18 |
2 files changed, 0 insertions, 30 deletions
diff --git a/net/http/http_network_transaction.cc b/net/http/http_network_transaction.cc index 7ca82e38..41df85f 100644 --- a/net/http/http_network_transaction.cc +++ b/net/http/http_network_transaction.cc @@ -1150,18 +1150,6 @@ void HttpNetworkTransaction::LogTransactionConnectedMetrics() const { total_duration, base::TimeDelta::FromMilliseconds(1), base::TimeDelta::FromMinutes(10), 100); - - // Also record for our field trial. - static bool use_async_tcp(FieldTrialList::Find("AsyncSlowStart") && - !FieldTrialList::Find("AsyncSlowStart")->group_name().empty()); - if (use_async_tcp) { - UMA_HISTOGRAM_CLIPPED_TIMES( - FieldTrial::MakeName("Net.Transaction_Connected_New", - "AsyncSlowStart").data(), - total_duration, - base::TimeDelta::FromMilliseconds(1), base::TimeDelta::FromMinutes(10), - 100); - } } // Currently, non-zero priority requests are frame or sub-frame resource diff --git a/net/socket/tcp_client_socket_win.cc b/net/socket/tcp_client_socket_win.cc index bfd1981..91a1212 100644 --- a/net/socket/tcp_client_socket_win.cc +++ b/net/socket/tcp_client_socket_win.cc @@ -6,7 +6,6 @@ #include "base/basictypes.h" #include "base/compiler_specific.h" -#include "base/field_trial.h" // for SlowStart trial #include "base/memory_debug.h" #include "base/stats_counters.h" #include "base/string_util.h" @@ -150,9 +149,6 @@ class TCPClientSocketWin::Core : public base::RefCounted<Core> { // Throttle the read size based on our current slow start state. // Returns the throttled read size. int ThrottleReadSize(int size) { - if (!use_slow_start_throttle_) - return size; - if (slow_start_throttle_ < kMaxSlowStartThrottle) { size = std::min(size, slow_start_throttle_); slow_start_throttle_ *= 2; @@ -209,15 +205,9 @@ class TCPClientSocketWin::Core : public base::RefCounted<Core> { static const int kMaxSlowStartThrottle = 32 * kInitialSlowStartThrottle; int slow_start_throttle_; - static bool use_slow_start_throttle_; - static bool trial_initialized_; - DISALLOW_COPY_AND_ASSIGN(Core); }; -bool TCPClientSocketWin::Core::use_slow_start_throttle_ = false; -bool TCPClientSocketWin::Core::trial_initialized_ = false; - TCPClientSocketWin::Core::Core( TCPClientSocketWin* socket) : socket_(socket), @@ -226,14 +216,6 @@ TCPClientSocketWin::Core::Core( slow_start_throttle_(kInitialSlowStartThrottle) { memset(&read_overlapped_, 0, sizeof(read_overlapped_)); memset(&write_overlapped_, 0, sizeof(write_overlapped_)); - - // Initialize the AsyncSlowStart FieldTrial. - if (!trial_initialized_) { - trial_initialized_ = true; - FieldTrial* trial = FieldTrialList::Find("AsyncSlowStart"); - if (trial && trial->group_name() == "_AsyncSlowStart") - use_slow_start_throttle_ = true; - } } TCPClientSocketWin::Core::~Core() { |