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Asked: 2026-05-12T16:07:04+00:00

I have a multi-threaded application(C++ and pthread library) and I will like to know

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I have a multi-threaded application(C++ and pthread library) and I will like to know how much resources(CPU and memory) each thread uses.
Is there a way to find out these details on Solaris and Linux both or on either of them.

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1 Answer

  1. Editorial Team

    You could use the ps command with some option: 

    ps -eLo pid,ppid,lwp,nlwp,osz,rss,ruser,pcpu,stime,etime,args | more
  PID  PPID    LWP NLWP   SZ  RSS    RUSER %CPU    STIME     ELAPSED COMMAND
    0     0      1    1    0    0     root  0.0   Oct_02  4-02:13:37 sched
    1     0      1    1  298  528     root  0.0   Oct_02  4-02:13:36 /sbin/init
    2     0      1    1    0    0     root  0.0   Oct_02  4-02:13:36 pageout

    Have a look at the ps man’s page to get some information (LWP (light weight process))

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