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Android Perfetto 系列 15：Boot Trace、长時間现场 Trace 与偶发问题抓取

4 天前 · 閱讀 267 次

开机慢、亮屏后偶发卡顿或几小时后才出现的音频断续，通常等不到工程师连上电脑再按「开始录制」。要保留问题发生前的调度、帧或音频事件，采集配置必须提前在设备上运行。现场抓取要先确定触发点前后各保留多久，再选 Ring Buffer、周期写文件或...

Android Perfetto 系列 12：Trace 数据流与丢失排查

4 天前 · 閱讀 444 次

一份 Trace 能在 UI 里打开、SQL 也查得到行，仍可能在采集中丢过数字。线程狀態缺一段、進程名对不上、Track Event 只有 ID 没有名稱时，先查数据丢在哪一层，再决定哪些分析还能继续。SQL 只能度量留下来的事件。丢失发...

Android Perfetto 系列 14：heapprofd 与内存 Profiling

4 天前 · 閱讀 176 次

dumpsys meminfo 显示進程内存上涨，Java heap dump 却没有对应的对象增长时，下一步先查上涨落在 Native Heap、图形 Buffer，还是其他映射。若可疑部分来自 malloc/new，heapprofd ...

Android Perfetto 系列 15：Boot Trace、长时刻现场 Trace 与偶发问题抓取

4 天前 · 閱讀 280 次

Android Perfetto 系列 18：响应速度实战，…

4 天前 · 閱讀 394 次

按钮按下后，按压态何时出现？滑动列表时，内容何时第一次跟着手指移动？这两个问题都要找到输入事件和对应的第一帧反馈；启动总耗时与后续动画帧率回答的是别的问题。本文用 Perfetto 把 InputReader 读到事件、InputDispa...

耗时大半年，开源一本 Android 电子书《Android…

4 天前 · 閱讀 376 次

Android 内部机制的资料，网上不缺。AOSP、官方文档、部落格、论文、trace 讨论，想找都找得到。麻烦的是各说各的版本：这篇是 Android 12 的结论，那篇没写版本，再一篇是某台机器上的现象。AIW 想补的就是这个缺口。全称 ...

2027，地平线和Momenta系在芯片上撞车

5 天前 · 閱讀 437 次

本文来自微信公众号：竞合人工智能，作者：竞合这场对撞therefore不像登场会，更像两條生产线在弯道处提前看见对方headlights。10月29日，XHEART新芯航途把X7 Ultra推到台前时，真正让台下安静下来的，是下一頁PP...

砸10亿美元在美建厂，TP-Link也没换来美国放行

5 天前 · 閱讀 5 次

本文来自微信公众号：大橘财经，作者：赖家琪砸钱布局、承诺在美国建厂，甚至连下一代Wi-Fi 8路由器的组装方案都安排上了，TP-Link最终可能还是敲不开美国行业的大门。据科技媒体Tom's Hardware当地時間10月28日报道，美...

Naomi Watts' Cool-Girl Airport Jacket Has Us Saying Bye to Hoodies

6 天前 · 閱讀 10 次

Naomi Watts just made a strong case for leaving our favorite hoodies at home the next time we head to the airport. The a...

Has Corie Walsh Pleaded After She Was Accused of Killing Son, 2? Inside Case

6 天前 · 閱讀 11 次

Corie Walsh’s attorney has shared a new update on her condition behind bars after she was arrested for the alleged killi...

Influencer Kristy Sarah Seen Kissing Bryson Tiller After Desmond Scott Split

6 天前 · 閱讀 7 次

Influencer Kristy Sarah has seemingly moved on following her divorce from Desmond Scott. Kristy, 31, was seen getting co...

Confirmed! These Chic Tops, Blouses and Sweaters Make Any Outfit Look Luxe (All Under $35)

6 天前 · 閱讀 2 次

I have expensive taste — especially when it comes to fashion. I splurged on a designer bag last month in Paris, secured ...

Danny Masterson Loses Appeal on Rape Conviction, Court Upholds 30-Year Sentence

6 天前 · 閱讀 8 次

Danny Masterson is not getting out of prison anytime soon after an appeals court denied his attempt to overturn his 2023...

Savannah Chrisley Pens Public Letter to Unborn Baby After Pregnancy Reveal

6 天前 · 閱讀 3 次

Savannah Chrisley is sharing a moving public letter to her unborn baby after revealing she is pregnant with her first ch...

'RHONY' Star Jessel Taank's Husband Reacts to Rumors About His Sexuality

6 天前 · 閱讀 6 次

Jessel Taank told her husband, Pavit Randhawa, about the rumors surrounding his sexuality on The Real Housewives of New ...

Khloe Kardashian's Ex Lamar Odom Launches OnlyFans Account: ‘Inside My World’

6 天前 · 閱讀 8 次

Khloé Kardashian’s ex-husband, Lamar Odom, has launched an OnlyFans account to help the world get to know him better. “Y...

'DWTS' Horror Movie Night Shocks With Heartbreaking Double Elimination

6 天前 · 閱讀 4 次

The cast of Dancing With the Stars season 35 brought the thrills during Horror Movie Night — but the real scare came wit...

Thomas Markle's Granddaughter Says ‘Something’ Was ‘Off’ Amid Abuse Claims

6 天前 · 閱讀 12 次

As Filipino authorities investigate child abuse claims made against Thomas Markle Sr., his granddaughter is claiming she...

RJ Decker's [Spoiler] Breaks Silence on Finale's Potentially Deadly Ending

6 天前 · 閱讀 9 次

RJ Decker‘s second season ended on a shocking cliffhanger — and now Bevin Bru is addressing the changes of multiple char...

Jessa Duggar Announces She Is Pregnant, Expecting 7th Child With Ben Seewald