diff options
Diffstat (limited to 'content/browser/download/download_stats.cc')
| -rw-r--r-- | content/browser/download/download_stats.cc | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/content/browser/download/download_stats.cc b/content/browser/download/download_stats.cc index 40ed912..6332993 100644 --- a/content/browser/download/download_stats.cc +++ b/content/browser/download/download_stats.cc @@ -255,8 +255,7 @@ void RecordDownloadMimeType(const std::string& mime_type_string) { void RecordFileThreadReceiveBuffers(size_t num_buffers) { UMA_HISTOGRAM_CUSTOM_COUNTS( "Download.FileThreadReceiveBuffers", num_buffers, 1, - DownloadResourceHandler::kLoadsToWrite, - DownloadResourceHandler::kLoadsToWrite); + 100, 100); } void RecordBandwidth(double actual_bandwidth, double potential_bandwidth) { @@ -303,6 +302,45 @@ void RecordOpensOutstanding(int size) { 64/*num_buckets*/); } +void RecordContiguousWriteTime(base::TimeDelta time_blocked) { + UMA_HISTOGRAM_TIMES("Download.FileThreadBlockedTime", time_blocked); +} + +void RecordNetworkBandwidth(size_t length, + base::TimeDelta elapsed_time, + base::TimeDelta paused_time) { + size_t non_pause_time_ms = (elapsed_time - paused_time).InMilliseconds(); + if (0u == non_pause_time_ms) + non_pause_time_ms = 1; + + // Note that this will be somewhat higher than sustainable network + // bandwidth because of buffering in the kernel during pauses. + // Using Bytes/s rather than bits/s so that this value is easily + // comparable with BandwidthOverall and BandwidthDisk. + UMA_HISTOGRAM_CUSTOM_COUNTS( + "Download.BandwidthNetworkBytesPerSecond", + (1000 * length / non_pause_time_ms), + 1, 100000000, 50); +} + +void RecordFileBandwidth(size_t length, + base::TimeDelta disk_write_time, + base::TimeDelta elapsed_time) { + size_t elapsed_time_ms = elapsed_time.InMilliseconds(); + if (0u == elapsed_time_ms) + elapsed_time_ms = 1; + size_t disk_write_time_ms = disk_write_time.InMilliseconds(); + if (0u == disk_write_time_ms) + disk_write_time_ms = 1; + + UMA_HISTOGRAM_CUSTOM_COUNTS( + "Download.BandwidthOverallBytesPerSecond", + (1000 * length / elapsed_time_ms), 1, 50000000, 50); + UMA_HISTOGRAM_CUSTOM_COUNTS( + "Download.BandwidthDiskBytesPerSecond", + (1000 * length / disk_write_time_ms), 1, 50000000, 50); +} + void RecordSavePackageEvent(SavePackageEvent event) { UMA_HISTOGRAM_ENUMERATION("Download.SavePackage", event, |