From: "Chen, Hu" <hu1.chen@intel.com>
To: rjw@rjwysocki.net
Cc: Chen Hu <hu1.chen@intel.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [RFC/RFT,v7] cpuidle: New timer events oriented governor for tickless systems
Date: Fri, 7 Dec 2018 15:58:35 +0800 [thread overview]
Message-ID: <20181207075840.5881-1-hu1.chen@intel.com> (raw)
In-Reply-To: <2047881.s5VBHReNGT@aspire.rjw.lan>
From: Chen Hu <hu1.chen@intel.com>
Hi Rafael,
I run several popular Android performance benchmarks on teov7, using kernel
4.19.0 as my baseline because I happen to work on it. To backport teov7 to
kernel 4.19.0, I also backport patch 5f26bdc: "cpuidle: menu: Fix wakeup
statistics updates for polling state". The teov7 doesn't show regressions on
such perf KPIs.
Compare "4.19 + 5f26bdc" and "4.19 + 5f26bdc + teov7" on Android with Intel
Apollo Lake SoC:
Test Case Diff after appling teov7
Antutu_6 0.51%
GFX5_openGL_Car_Chase 0.43%
GFX5_openGL_Car_Chase_offscreen 0.25%
GFX5_openGL_Manhattan31 0.75%
GFX5_openGL_Manhattan31_1080_offscreen -0.10%
Geekbench3.3 -0.13%
H264_1080P_60FPS 0.00%
H264_2160P_60FPS 0.00%
H265_2K_10bit 0.00%
H265_2K_8bit 0.00%
Resume_time 1.31%
full_boot -0.39%
Thanks
Chen Hu
next prev parent reply other threads:[~2018-12-07 7:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-04 18:35 [RFC/RFT][PATCH v7] cpuidle: New timer events oriented governor for tickless systems Rafael J. Wysocki
2018-12-07 7:58 ` Chen, Hu [this message]
2018-12-07 8:27 ` [RFC/RFT,v7] " Rafael J. Wysocki
2018-12-07 9:37 ` Quentin Perret
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