P States
"Sreenidhi BG" <[email protected]> 31 Aug 2004 11:41:25 -0000
| Newsgroups | gmane.linux.power-management.devel |
|---|---|
| Message-ID | <[email protected]> |
This is a multipart mime message --Next_1093952485---0-203.199.83.39-5135 Content-type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline <P>=0Ahello All, <BR>=0AI recently bought a Pentium M IBM thinkpad. It is r= unning on Linux, SuSe 9.1 with 2.6.4 kernel.<BR>=0A<BR>=0AI dont see the &q= uot;performance" entry in my "proc/acpi/processor/CPU0/performanc= e" interface.<BR>=0A<BR>=0AI have enabled the PowerManagement section = in Linux Kernel, recompiled and booted with my new kernel. But still I dont= see the "performance" entry in my /proc interface.<BR>=0A<BR>=0A= How can I force my Laptop to operate at different cpufreq, say P1 ? how do = U switch between P0 and P1 ? are there any APIs available ( I mean exported= by the kernel or ACPI driver ) and How do I know at what frequency is my C= PU running?<BR>=0A<BR>=0AAny pointers to any utilities/resources will be of= great help.<BR>=0A<BR>=0ARegards,<BR>=0ASreenidhi,<BR>=0A<BR>=0A=0A</P>=0A= <br><br>=0A<A target=3D"_blank" HREF=3D"http://clients.rediff.com/signature= /track_sig.asp"><IMG SRC=3D"http://ads.rediff.com/RealMedia/ads/adstream_nx= .cgi/www.rediffmail.com/inbox.htm@Bottom" BORDER=3D0 VSPACE=3D0 HSPACE=3D0>= </a>=0A --Next_1093952485---0-203.199.83.39-5135 Content-type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline hello All, =0AI recently bought a Pentium M IBM thinkpad. It is running on = Linux, SuSe 9.1 with 2.6.4 kernel.=0A=0AI dont see the "performance" entry = in my "proc/acpi/processor/CPU0/performance" interface.=0A=0AI have enabled= the PowerManagement section in Linux Kernel, recompiled and booted with my= new kernel. But still I dont see the "performance" entry in my /proc inter= face.=0A=0AHow can I force my Laptop to operate at different cpufreq, say P= 1 ? how do U switch between P0 and P1 ? are there any APIs available ( I me= an exported by the kernel or ACPI driver ) and How do I know at what freque= ncy is my CPU running?=0A=0AAny pointers to any utilities/resources will be= of great help.=0A=0ARegards,=0ASreenidhi,=0A=0A --Next_1093952485---0-203.199.83.39-5135-- ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=5047&alloc_id=10808&op=click