CPU사용률 모니터링

CPU사용률 모니터링

 

# nmon -> t 옵션

# topas -P

 

특정 기간(ex. 5초 등..)동안 CPU사용률을 확인하고 싶다면 tprof 커맨드 사용

 

# tprof -x sleep <측정 시간 / 초단위>   

=>  현재 directory에 sleep.prof 라는 이름의 output 파일이 생성되며, CPU 사용률로 sorting하여 결과 로깅됨

ex) # tprof -x sleep 30
    # cat sleep.prof

Configuration information
=========================
...snip...

Tprof command was:
    tprof -x sleep 5
Trace command was:
    /usr/bin/trace -ad -M -L 1339173273 -T 500000 -j 00A,001,002,003,38F,005,006,134,210,139,5A2,5A5,465,234,5D8, -o -
Total Samples = 625
Traced Time = 5.01s (out of a total execution time of 5.01s)
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

Process                                Freq  Total Kernel   User Shared  Other
=======                                ====  ===== ======   ==== ======  =====
wait                                      8  99.84  99.84   0.00   0.00   0.00
/usr/sbin/snmpmibd                        1   0.16   0.16   0.00   0.00   0.00
=======                                ====  ===== ======   ==== ======  =====
Total                                     9 100.00 100.00   0.00   0.00   0.00

Process                   PID      TID  Total Kernel   User Shared  Other
=======                   ===      ===  ===== ======   ==== ======  =====
wait                   131076   131077  66.24  66.24   0.00   0.00   0.00
wait                  1114146  1638451   8.16   8.16   0.00   0.00   0.00
wait                  1179684  1703989   8.00   8.00   0.00   0.00   0.00
wait                  1048608  1572913   8.00   8.00   0.00   0.00   0.00
wait                  1245222  1769527   8.00   8.00   0.00   0.00   0.00
wait                  1310760  1835065   0.80   0.80   0.00   0.00   0.00
wait                  1441836  2228293   0.32   0.32   0.00   0.00   0.00
wait                  1376298  2162755   0.32   0.32   0.00   0.00   0.00
/usr/sbin/snmpmibd    7602378  9306289   0.16   0.16   0.00   0.00   0.00
=======                   ===      ===  ===== ======   ==== ======  =====
Total                                  100.00 100.00   0.00   0.00   0.00