04-22-2009
how could I get a process Memory Usage
I use pstat API to get Process Infomation
I would like to get a process
1.process owner
2.how many physical memory and virtual memory and total memory used(KB) and usage(%)
3.a process excution file create time
4.a process excution file access time
I do't know which attribute it i need
thanks
_T_LONG_T pst_uid; /* Real UID */
_T_LONG_T pst_pid; /* Process ID */
_T_LONG_T pst_ppid; /* Parent process ID */
_T_LONG_T pst_dsize; /* # real pages used for data */
_T_LONG_T pst_tsize; /* # real pages used for text */
_T_LONG_T pst_ssize; /* # real pages used for stack */
_T_LONG_T pst_nice; /* Nice value */
struct __psdev pst_term;/* TTY of this process; -1/-1 if there isn't one */
_T_LONG_T pst_pgrp; /* Process group of this process */
_T_LONG_T pst_pri; /* priority of process */
_T_LONG_T pst_addr; /* address of process (in memory) */
_T_LONG_T pst_cpu; /* processor utilization for scheduling */
_T_LONG_T pst_utime; /* user time spent executing (in seconds) */
_T_LONG_T pst_stime; /* system time spent executing (in seconds) */
_T_LONG_T pst_start; /* time process started (seconds since epoch) */
_T_LONG_T pst_flag; /* flags associated with process */
_T_LONG_T pst_stat; /* Current status */
_T_LONG_T pst_wchan; /* If state PS_SLEEP, value sleeping on */
_T_LONG_T pst_procnum; /* processor this proc last run on */
char pst_cmd[PST_CLEN]; /* Command line for the process, if available */
_T_LONG_T pst_time; /* resident time for scheduling */
_T_LONG_T pst_cpticks; /* ticks of CPU time */
_T_LONG_T pst_cptickstotal; /* total ticks for life of process */
_T_LONG_T pst_fss; /* fair share scheduler group ID */
float pst_pctcpu; /* %CPU for this process during p_time */
_T_LONG_T pst_rssize; /* resident set size for process (private pages)*/
_T_LONG_T pst_suid; /* saved UID */
char pst_ucomm[PST_UCOMMLEN]; /* executable basename the process is running*/
_T_LONG_T pst_shmsize; /* # real pages used for shared memory */
_T_LONG_T pst_mmsize; /* # real pages used for memory mapped files */
_T_LONG_T pst_usize; /* # real pages used for U-Area & K-Stack */
_T_LONG_T pst_iosize; /* # real pages used for I/O device mapping */
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LEARN ABOUT DEBIAN
proc::processtable::process
Process(3pm) User Contributed Perl Documentation Process(3pm)
NAME
Proc::ProcessTable::Process - Perl process objects
SYNOPSIS
$process->kill(9);
$process->priority(19);
$process->pgrp(500);
$uid = $process->uid;
...
DESCRIPTION
This is a stub module to provide OO process attribute access for Proc::ProcessTable. Proc::ProcessTable::Process objects are constructed
directly by Proc::ProcessTable; there is no constructor method, only accessors.
METHODS
kill
Sends a signal to the process; just an aesthetic wrapper for perl's kill. Takes the signal (name or number) as an argument. Returns
number of processes signalled.
priority
Get/set accessor; if called with a numeric argument, attempts to reset the process's priority to that number using perl's
<B>setpriority function. Returns the process priority.
pgrp
Same as above for the process group.
all other methods...
are simple accessors that retrieve the process attributes for which they are named. Currently supported are:
uid UID of process
gid GID of process
euid effective UID of process (Solaris only)
egid effective GID of process (Solaris only)
pid process ID
ppid parent process ID
spid sprod ID (IRIX only)
pgrp process group
sess session ID
cpuid CPU ID of processor running on (IRIX only)
priority priority of process
ttynum tty number of process
flags flags of process
minflt minor page faults (Linux only)
cminflt child minor page faults (Linux only)
majflt major page faults (Linux only)
cmajflt child major page faults (Linux only)
utime user mode time (1/100s of seconds) (Linux only)
stime kernel mode time (Linux only)
cutime child utime (Linux only)
cstime child stime (Linux only)
time user + system time
ctime child user + system time
timensec user + system nanoseconds part (Solaris only)
ctimensec child user + system nanoseconds (Solaris only)
qtime cumulative cpu time (IRIX only)
size virtual memory size (bytes)
rss resident set size (bytes)
wchan address of current system call
fname file name
start start time (seconds since the epoch)
pctcpu percent cpu used since process started
state state of process
pctmem percent memory
cmndline full command line of process
ttydev path of process's tty
clname scheduling class name (IRIX only)
See the "README.osname" files in the distribution for more up-to-date information.
AUTHOR
D. Urist, durist@frii.com
SEE ALSO
Proc::ProcessTable.pm, perl(1).
perl v5.14.2 2003-10-03 Process(3pm)