Messages in this thread | | | From | "Doug Smythies" <> | Subject | RE: [PATCH] intel_pstate: Update cpu_frequency tracepoint every time | Date | Tue, 19 Jul 2016 20:14:53 -0700 |
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On 2016.07.19 15:10 Srinivas Pandruvada wrote: > On Tue, 2016-07-19 at 15:10 +0200, Rafael J. Wysocki wrote: >> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> >> >> Currently, intel_pstate only updates the cpu_frequency tracepoint >> if the new P-state to set is different from the current one, but >> that causes powertop to report 100% idle on an 100% loaded system >> sometimes. >> >> Prevent that from happening by updating the cpu_frequency tracepoint >> every time intel_pstate_update_pstate() is called. >> >> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>-
Shouldn't this patch refer to:
commit fdfdb2b1301670a69195ba1e5666df4a7f02eb46 Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Date: Fri Mar 18 23:20:02 2016 +0100
intel_pstate: Do not call wrmsrl_on_cpu() with disabled interrupts
which is the patch that introduced the regression?
... Doug
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