1.11 How do I find out about a process' memory usage? 我怎样找出一个进程的存储器使用情况? 1.12 Why do processes never decrease in size? 为什么进程的大小不缩减? 1.13 How do I change the name of my program (as seen by `ps')? 我怎样改变我程序的名字(即“ps”看到的名字)? 1.14 How ca...
大多数UNIX系统提供了一个选项以进行进程会计(process accounting)处理。启用该选项后,每当进程结束时内核就写一个会计记录。 会计记录结构定义在头文件中,虽然每种系统的实现各不相同,但会计记录样式基本如下: typedefu_shortcomp_t;/* 3-bit base 8 exponent; 13-bit fraction*/structacct{charac_flag;/* flag...
u_int32_t ac_btime; /* Process creation time(seconds since the Epoch) */ comp_t ac_utime; /* User CPU time */ comp_t ac_stime; /* System CPU time */ comp_t ac_etime; /* Elapsed time */ comp_t ac_mem; /* Average memory usage (kB) */ comp_t ac_io; /* Characters t...
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and the application of F parameters; Explanation of PS aux or lax output; The owner of the USER process; The ID of the PID process; PPID parent process; Percentage of CPU occupied by%CPU process; Percentage of memory occupied by%MEM; NI process NICE value, numerical value, means less CPU...
# os.fork() returns 0 in the child process and the child's # process id in the parent. So if pid == 0 then we're in # the child process. if pid == 0: # now we're in the child process; trap (Ctrl-C) # interrupts by catching KeyboardInterrupt) and exit ...
The second part in RMS is to update related information in each workstation (e.g., CPU status, memory) every 60 seconds. This part can clear the garbage process/memory and help increase utilization too. RMS is developed with perl/Tk and based on client-server architecture, where socket ...
Each process is represented by one ormore tasks, depending on thread usage. This display does not repeat.The -m displays slabinfo.The -n switch causes the header to be displayed only once rather thanperiodically.The -s switch displays a table of various event counters and memoryst...
Memory Usage per Process Solaris 8 5 MB per process (Proxy Server default is set to 32 processes) AIX 4.3.3 3 MB per process (Proxy Server default is set to 32 processes) HP-UX 11.0 3.5 MB per process (Proxy Server default is set to 32 processes) SSL...
守护进程(daemon process,在后台运行且不与终端相连接的一种进程)中一个常见的代码序列是关闭所有打开文件。某些程序中有下列形式的代码序列,这段程序假定在<sys/param.h>头文件中定义了常量NOFILE。 #include <sys/param.h>; for (i = 0; i < NOFILE; i++) close(i); 另外一些程序则使用某些<stdio....