标签:shell top code led lin reads oge roc als fail
在线程中的设置代码如下,首先需要确保你是单个线程在跑!
void bind_to_cpu(int cpu_id) {
int64_t cores = sysconf(_SC_NPROCESSORS_CONF);
PRV_DPT_LOGI("CPUS:?%lu\n", cores);
if(cpu_id>=cores) {
PRV_DPT_LOGE("bind_to_cpu: assertion error!");
return;
}
cpu_set_t mask;
CPU_ZERO(&mask);
CPU_SET(cpu_id, &mask);
if(sched_setaffinity(0, sizeof(mask), &mask)==-1) {
PRV_DPT_LOGE("bind_to_cpu: failed to set affinity!");
return;
}
}
void set_thread_name(const char * name){
prctl(PR_SET_NAME, name);
}
void *DepthPreview_Thread(void * parent){
// bind this thread to given cpu
set_thread_name("prv_dpt");
cv::setNumThreads(1); // if you use opencv in android ndk
bind_to_cpu(0);
// some other code here
}
查看对应线程的cpu占用方法如下:
adb shell top -p [线程所属进程的pid,如相机进程就是camerahalserver的pid,也是通过top命令查看] -H | [findstr/grep] [线程名称,采用prctl设置线程名称]
标签:shell top code led lin reads oge roc als fail
原文地址:https://www.cnblogs.com/thisisajoke/p/12844074.html