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authorBen Hutchings <ben@decadent.org.uk>2017-04-11 01:29:44 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-04-13 14:51:10 +0200
commit4cca0457686e4ee1677d69469e4ddfd94d389a80 (patch)
treeee614f63444bee524de51295f9a0b78a0a85e6d0 /tools/power
parentMerge branch 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/len... (diff)
downloadlinux-4cca0457686e4ee1677d69469e4ddfd94d389a80.tar.xz
linux-4cca0457686e4ee1677d69469e4ddfd94d389a80.zip
cpupower: Fix turbo frequency reporting for pre-Sandy Bridge cores
The switch that conditionally sets CPUPOWER_CAP_HAS_TURBO_RATIO and CPUPOWER_CAP_IS_SNB flags is missing a break, so all cores get both flags set and an assumed base clock of 100 MHz for turbo values. Reported-by: GSR <gsr.bugs@infernal-iceberg.com> Tested-by: GSR <gsr.bugs@infernal-iceberg.com> References: https://bugs.debian.org/859978 Fixes: 8fb2e440b223 (cpupower: Show Intel turbo ratio support via ...) Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools/power')
-rw-r--r--tools/power/cpupower/utils/helpers/cpuid.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c
index 93b0aa74ca03..39c2c7d067bb 100644
--- a/tools/power/cpupower/utils/helpers/cpuid.c
+++ b/tools/power/cpupower/utils/helpers/cpuid.c
@@ -156,6 +156,7 @@ out:
*/
case 0x2C: /* Westmere EP - Gulftown */
cpu_info->caps |= CPUPOWER_CAP_HAS_TURBO_RATIO;
+ break;
case 0x2A: /* SNB */
case 0x2D: /* SNB Xeon */
case 0x3A: /* IVB */