Antwort: Re: SLES 11 SP2 High-CPU usage on migration/X threads
[email protected] Wed, 23 Jan 2013 14:29:48 +0100
| Newsgroups | gmane.linux.suse.oracle.general |
|---|---|
| Message-ID | <OF9C0207CA.79F382E6-ONC1257AFC.00497829-C1257AFC.004A2449@bgnet.de> |
Dies ist eine mehrteilige Nachricht im MIME-Format. --===============2068476679== Content-Type: multipart/alternative; boundary="=_alternative 004A2448C1257AFC_=" Dies ist eine mehrteilige Nachricht im MIME-Format. --=_alternative 004A2448C1257AFC_= Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Okay, now this is very strange. I run following script every minute as a cronjob: ---- CUT --- #!/bin/bash echo "=3D=3D Start $(date)" >> /root/highcpu/log.txt ps aux | grep migration | grep -v grep >> /root/highcpu/log.txt ps aux | grep plone | grep -v grep >> /root/highcpu/log.txt echo "" >> /root/highcpu/log.txt ps aux >> /root/highcpu/log.txt echo "=3D=3D END" >> /root/highcpu/log.txt echo "" >> /root/highcpu/log.txt --- CUT --- With following result: =3D=3D Start Wed Jan 23 13:15:01 CET 2013 ps aux | grep migration root 6 0.0 0.0 0 0 ? S Jan22 0:00=20 [migration/0] root 8 0.0 0.0 0 0 ? S Jan22 0:00=20 [migration/1] root 13 0.0 0.0 0 0 ? S Jan22 0:00=20 [migration/2] root 17 0.0 0.0 0 0 ? S Jan22 0:00=20 [migration/3] ps aux (cutted log) USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 6 0.0 0.0 0 0 ? S Jan22 0:00=20 [migration/0] root 8 0.0 0.0 0 0 ? S Jan22 0:00=20 [migration/1] root 13 99.7 0.0 0 0 ? S Jan22 1274:16=20 [migration/2] root 17 0.0 0.0 0 0 ? S Jan22 0:00=20 [migration/3] =3D=3D END In one second, the process migration jumps from 0:00 CPU usage to 1274:16. The uptime of the server is 1278 minutes. Regarding the Uptime and the CPU = Time the usage ist 99,7% in ps aux, because cpu usage ist not a real time=20 stat. Best Regards, Franz Kinader =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F BG-Phoenics GmbH Abteilung Betrieb Loristra=DFe 6 a 80335 M=FCnchen Fon: +49 (0) 89-12179-92 48 Fax: +49 (0) 89-12179-9 99 Mobil: +49 (0) 173-618-14 19 www.bg-phoenics.de =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F Sitz der Gesellschaft: Hannover Handelsregistergericht: Amtsgericht Hannover HRB Nr.: 59345 Gesch=E4ftsf=FChrer: Burkhard Wolf (Vorsitz), Walter Lerch --=_alternative 004A2448C1257AFC_= Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable <font size=3D2 face=3D"sans-serif">Okay, now this is very strange.</font> <br> <br><font size=3D2 face=3D"sans-serif">I run following script every minute as a cronjob:</font> <br> <br><font size=3D2 face=3D"sans-serif">---- CUT ---</font> <br><font size=3D2 face=3D"sans-serif">#!/bin/bash</font> <br><font size=3D2 face=3D"sans-serif">echo "=3D=3D Start $(date)"= ; >> /root/highcpu/log.txt</font> <br><font size=3D2 face=3D"sans-serif">ps aux | grep migration | grep -v gr= ep >> /root/highcpu/log.txt</font> <br><font size=3D2 face=3D"sans-serif">ps aux | grep plone | grep -v grep &= gt;> /root/highcpu/log.txt</font> <br> <br><font size=3D2 face=3D"sans-serif">echo "" >> /root/hig= hcpu/log.txt</font> <br><font size=3D2 face=3D"sans-serif">ps aux >> /root/highcpu/log.tx= t</font> <br><font size=3D2 face=3D"sans-serif">echo "=3D=3D END" >>= /root/highcpu/log.txt</font> <br><font size=3D2 face=3D"sans-serif">echo "" >> /root/hig= hcpu/log.txt<br> --- CUT ---</font> <br> <br><font size=3D2 face=3D"sans-serif">With following result:</font> <br> <br><font size=3D2 face=3D"sans-serif">=3D=3D Start Wed Jan 23 13:15:01 CET= 2013</font> <br><font size=3D2 face=3D"sans-serif">ps aux | grep migration</font> <br><font size=3D2 face=3D"sans-serif">root 6 &= nbsp;0.0 0.0 0 0 ? S Jan22 0:00 [migration/0]</font> <br><font size=3D2 face=3D"sans-serif">root 8 &= nbsp;0.0 0.0 0 0 ? S Jan22 0:00 [migration/1]</font> <br><font size=3D2 face=3D"sans-serif">root 13 &= nbsp;0.0 0.0 0 0 ? S Jan22 0:00 [migration/2]</font> <br><font size=3D2 face=3D"sans-serif">root 17 &= nbsp;0.0 0.0 0 0 ? S Jan22 0:00 [migration/3]</font> <br> <br><font size=3D2 face=3D"sans-serif">ps aux (cutted log)</font> <br><font size=3D2 face=3D"sans-serif">USER PID %CPU %= MEM VSZ RSS TTY STAT START TIME COMMAND</font> <br><font size=3D2 face=3D"sans-serif">root 6 &= nbsp;0.0 0.0 0 0 ? S Jan22 0:00 [migration/0]</font> <br><font size=3D2 face=3D"sans-serif">root 8 &= nbsp;0.0 0.0 0 0 ? S Jan22 0:00 [migration/1]</font> <br><font size=3D2 face=3D"sans-serif">root 13 9= 9.7 0.0 0 0 ? S Jan22 1274:16 [migration/2]</font> <br><font size=3D2 face=3D"sans-serif">root 17 &= nbsp;0.0 0.0 0 0 ? S Jan22 0:00 [migration/3]</font> <br><font size=3D2 face=3D"sans-serif">=3D=3D END</font> <br> <br><font size=3D2 face=3D"sans-serif">In one second, the process migration jumps from 0:00 CPU usage to 1274:16.</font> <br><font size=3D2 face=3D"sans-serif">The uptime of the server is 1278 min= utes. Regarding the Uptime and the CPU Time the usage ist 99,7% in ps aux, because cpu usage ist not a real time stat.</font> <br> <br><font size=3D2 face=3D"sans-serif">Best Regards,<br> Franz Kinader</font> <br><font size=3D1 color=3D#808080 face=3D"sans-serif">=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F<br> <br> BG-Phoenics GmbH<br> Abteilung Betrieb<br> Loristra=DFe 6 a<br> 80335 M=FCnchen<br> <br> Fon: +49 (0) 89-12179-92 48<br> Fax: +49 (0) 89-12179-9 99<br> Mobil: +49 (0) 173-618-14 19<br> <br> </font><a href=3D"www.bg-phoenics.de"><font size=3D1 color=3D#808080 face= =3D"sans-serif">www.bg-phoenics.de</font></a><font size=3D1 color=3D#808080= face=3D"sans-serif"><br> =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F</font> <br><font size=3D1 color=3D#808080 face=3D"sans-serif">Sitz der Gesellschaf= t: Hannover<br> Handelsregistergericht: Amtsgericht Hannover<br> HRB Nr.: 59345<br> Gesch=E4ftsf=FChrer: Burkhard Wolf (Vorsitz), Walter Lerch<br> </font> --=_alternative 004A2448C1257AFC_=-- --===============2068476679== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ suse-sles-e mailing list [email protected] http://listx.novell.com/mailman/listinfo/suse-sles-e --===============2068476679==--