Top 10 improvements in the last 7 days for Chromium Perf Sheriff

Delta	Revision Range	Bot	Test Suite	Test
zero-to-nonzero	576907-576945	linux-perf	rendering.desktop	percentage_smooth/mix_10k
zero-to-nonzero	576907-576945	linux-perf	rendering.desktop	percentage_smooth/hakim
4862.6%	576907-576945	linux-perf	rendering.desktop	percentage_smooth/microsoft_tweet_map
446.0%	576907-576945	linux-perf	rendering.desktop	percentage_smooth/sync_scroll_offset
227.2%	576907-576945	linux-perf	rendering.desktop	percentage_smooth/wordpress
204.0%	576907-576945	linux-perf	rendering.desktop	percentage_smooth/pinterest_2018
151.8%	576907-576945	linux-perf	rendering.desktop	percentage_smooth/techcrunch_2018
150.7%	576907-576945	linux-perf	rendering.desktop	percentage_smooth/wordpress_2018
84.0%	576907-576945	linux-perf	rendering.desktop	queueing_durations/wordpress_2018
83.8%	576907-576945	linux-perf	rendering.desktop	queueing_durations/techcrunch_2018

Top 10 regressions in the last 7 days for Chromium Perf Sheriff

Delta	Revision Range	Bot	Test Suite	Test	Bug
zero-to-nonzero	1531966583-1531978164	health-plan-webview-low-end-phone	system_health.memory_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background_media/background_media_imgur	865692
zero-to-nonzero	1531966583-1531978164	health-plan-webview-low-end-phone	system_health.memory_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background_search/background_search_google	865692
zero-to-nonzero	1531966583-1531978164	health-plan-webview-low-end-phone	system_health.memory_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background_tools/background_tools_gmail	865692
zero-to-nonzero	1531966312-1531972908	health-plan-webview-low-end-phone	memory.top_10_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background/after_https_www_google_co_uk_hl_en_q_science	865694
zero-to-nonzero	1531966312-1531972908	health-plan-webview-low-end-phone	memory.top_10_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background/after_https_m_facebook_com_rihanna	865694
zero-to-nonzero	1531966312-1531972908	health-plan-webview-low-end-phone	memory.top_10_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background/after_https_mobile_twitter_com_justinbieber_skip_interstitial_true	865694
zero-to-nonzero	1531966312-1531972908	health-plan-webview-low-end-phone	memory.top_10_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background/after_http_www_baidu_com_s_word_google	865694
zero-to-nonzero	1531966312-1531972908	health-plan-webview-low-end-phone	memory.top_10_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background/after_http_m_youtube_com_results_q_science	865694
zero-to-nonzero	1531966312-1531972908	health-plan-webview-low-end-phone	memory.top_10_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background/after_http_m_intl_taobao_com_group_purchase_html	865694
zero-to-nonzero	1531966312-1531972908	health-plan-webview-low-end-phone	memory.top_10_mobile	memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/background/after_http_en_m_wikipedia_org_wiki_Science	865694