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OPPO Kernel Craftsman
OPPO Kernel Craftsman
Nov 12, 2021 · Operations

Linux CPU Time Guardians: Understanding cputime, cpufreq_stats, cpufreq_times, and cpuidle_time

The article explains Linux kernel CPU‑time accounting modules—cputime, cpufreq_stats, cpufreq_times, and cpuidle_time—detailing how each records processor usage, frequency transitions, per‑process frequency data, and idle‑state durations, and why they are essential for performance analysis and power‑optimization by system engineers.

CPU TimeLinux kernelOperating System
0 likes · 7 min read
Linux CPU Time Guardians: Understanding cputime, cpufreq_stats, cpufreq_times, and cpuidle_time
Architect
Architect
Jan 5, 2016 · Mobile Development

Alipay Wallet Mobile Client Monitoring and Power/Traffic Optimization Practices

The article presents Liu Fukang’s technical sharing on building a comprehensive monitoring system for the Alipay Wallet mobile client, detailing resource constraints, AOP‑based diagnostics, dynamic upgrades, and specific strategies for reducing power consumption and network traffic.

AOPAlipayDynamic Upgrade
0 likes · 5 min read
Alipay Wallet Mobile Client Monitoring and Power/Traffic Optimization Practices