On Sun, Feb 24, 2013 at 5:40 PM, Dmitry Sarkisov <ait.ml...@gmail.com>wrote:
> Hello, > > I'm trying to poll cpu temperature with the following code: > > > #define TEMP_MIB "hw.acpi.thermal.tz0.temperature" > > size_t len; > int t; > > len = sizeof(t); > bzero(temp, len); > > if(sysctlbyname(TEMP_MIB, &t, &len, NULL, 0) == -1 ){ > perror("sysctl"); > return -1; > }else{ > printf("%d\n", t); > } > > Values I'm geting are like this: > 3732 > > while actual is: > > sysctl -n hw.acpi.thermal.tz0.temperature > 55.0C > ACPI does not report temperature in degrees Celsius, but in tenths of a degree Kelvin. So both agree. When ACPI was first introduced into head (v5?), the sysctl reported the raw number, but the code was later modified to provide a more human friendly value. Directly probing ACPI for temperature still returns the raw value. -- R. Kevin Oberman, Network Engineer E-mail: rkober...@gmail.com _______________________________________________ freebsd-acpi@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-acpi To unsubscribe, send any mail to "freebsd-acpi-unsubscr...@freebsd.org"