好好学习，天天向上
发布时间：2022-03-07 20:13:24
/ # dmesg | grep -i its[ 0.000000] ITS [mem 0x06020000-0x0603ffff][ 0.000000] ITS@0x0000000006020000: allocated 65536 Devices @2080a00000 (flat, esz 8, psz 64K, shr 0) 【所谓flat或indirect指的是devicetable包含了一级表还是两级表，eventid的表只占用了一级】[ .........【阅读全文】
发布时间：2022-01-12 16:37:38
点击(此处)折叠或打开#!/usr/bin/python3# -*- coding:UTF-8 -*-import sysimport osimport globimport reimport subprocess##taskname in trace.txt must all, include wakeup.........【阅读全文】
发布时间：2021-12-06 17:03:29
点击(此处)折叠或打开#!/usr/bin/python3# -*- coding:UTF-8 -*-import sysimport osimport globimport reimport subprocessdebug_printall=0 #all file and dir is printout al.........【阅读全文】
发布时间：2021-12-04 16:04:43
cpu高，R状态的任务为什么/proc/[pid]/stack堆栈不准点击(此处)折叠或打开构造sys cpu高R的情况，为什么堆栈不准190 read_unlock(&tasklist_lock);191 while(1) {192 udelay(8000);193 usle.........【阅读全文】
发布时间：2021-12-02 17:24:45
prev_pid=5737 prev_prio=87 prev_state=R+ ==> next_comm__entry->prev_state = __trace_sched_switch_state(preempt, prev); (__entry->prev_state & (TASK_REPORT_MAX - 1)) ? __print_flags(__entry->prev_state & (TASK_REPORT_MAX - 1), "|", { 0x01, "S" }, { 0x02, "D" }, { 0x04, "T" }, { 0x08.........【阅读全文】
