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authorDaniel Borkmann <dborkman@redhat.com>2013-04-30 16:44:52 +0200
committerDaniel Borkmann <dborkman@redhat.com>2013-04-30 16:44:52 +0200
commitfc1d0ad07313b66e50f202bfe738554f1491fc15 (patch)
tree1b39e53cdd01c7d8ac54a59b5b6f9cb29be8b70f /flowtop/Makefile
parenta9e85e99a779eff5ac64b957bb51853404803a33 (diff)
man: trafgen: configuration syntax section
This adds the packet configuration syntax section for trafgen's man page. Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Diffstat (limited to 'flowtop/Makefile')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-04 18:47:32 +0000
x80) -- the default on most systems. It occurs because the platform BIOS may erroneously enable an energy-efficiency setting -- MSR_IA32_POWER_CTL BIT-EE, which is not recommended to be enabled on this SKU. On the failing systems, this BIOS issue was not discovered when the desktop motherboard was tested with Windows, because the BIOS also neglects to provide the ACPI/CPPC table, that Windows requires to enable HWP, and so Windows runs in legacy P-state mode, where this setting has no effect. Linux' intel_pstate driver does not require ACPI/CPPC to enable HWP, and so it runs in HWP mode, exposing this incorrect BIOS configuration. There are several ways to address this problem. First, Linux can also run in legacy P-state mode on this system. As intel_pstate is how Linux enables HWP, booting with "intel_pstate=disable" will run in acpi-cpufreq/ondemand legacy p-state mode. Or second, the "performance" governor can be used with intel_pstate, which will modify HWP.EPP to 0. Or third, starting in 4.10, the /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference attribute in can be updated from "balance_power" to "performance". Or fourth, apply this patch, which fixes the erroneous setting of MSR_IA32_POWER_CTL BIT_EE on this model, allowing the default configuration to function as designed. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Cc: 4.6+ <stable@vger.kernel.org> # 4.6+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'net/dsa/slave.c')