| est.c (219046) | est.c (220433) |
|---|---|
| 1/*- 2 * Copyright (c) 2004 Colin Percival 3 * Copyright (c) 2005 Nate Lawson 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted providing that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2004 Colin Percival 3 * Copyright (c) 2005 Nate Lawson 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted providing that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: head/sys/x86/cpufreq/est.c 219046 2011-02-25 23:14:24Z jkim $"); | 29__FBSDID("$FreeBSD: head/sys/x86/cpufreq/est.c 220433 2011-04-07 23:28:28Z jkim $"); |
| 30 31#include <sys/param.h> 32#include <sys/bus.h> 33#include <sys/cpu.h> 34#include <sys/kernel.h> 35#include <sys/malloc.h> 36#include <sys/module.h> 37#include <sys/smp.h> --- 1172 unchanged lines hidden (view full) --- 1210 freq_info *fp; 1211 int bus, freq, volts; 1212 uint16_t id; 1213 1214 if (!msr_info_enabled) 1215 return (EOPNOTSUPP); 1216 1217 /* Figure out the bus clock. */ | 30 31#include <sys/param.h> 32#include <sys/bus.h> 33#include <sys/cpu.h> 34#include <sys/kernel.h> 35#include <sys/malloc.h> 36#include <sys/module.h> 37#include <sys/smp.h> --- 1172 unchanged lines hidden (view full) --- 1210 freq_info *fp; 1211 int bus, freq, volts; 1212 uint16_t id; 1213 1214 if (!msr_info_enabled) 1215 return (EOPNOTSUPP); 1216 1217 /* Figure out the bus clock. */ |
| 1218 freq = tsc_freq / 1000000; | 1218 freq = atomic_load_acq_64(&tsc_freq) / 1000000; |
| 1219 id = msr >> 32; 1220 bus = freq / (id >> 8); 1221 device_printf(dev, "Guessed bus clock (high) of %d MHz\n", bus); 1222 if (!bus_speed_ok(bus)) { 1223 /* We may be running on the low frequency. */ 1224 id = msr >> 48; 1225 bus = freq / (id >> 8); 1226 device_printf(dev, "Guessed bus clock (low) of %d MHz\n", bus); --- 176 unchanged lines hidden --- | 1219 id = msr >> 32; 1220 bus = freq / (id >> 8); 1221 device_printf(dev, "Guessed bus clock (high) of %d MHz\n", bus); 1222 if (!bus_speed_ok(bus)) { 1223 /* We may be running on the low frequency. */ 1224 id = msr >> 48; 1225 bus = freq / (id >> 8); 1226 device_printf(dev, "Guessed bus clock (low) of %d MHz\n", bus); --- 176 unchanged lines hidden --- |