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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-20 11:26:56 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-20 11:26:56 -0800 |
commit | 8793422fd9ac5037f5047f80473007301df3689f (patch) | |
tree | f5aa3b3a564f053e1b5604c45db80193abc734a4 /Documentation/trace | |
parent | b3cdda2b4f541439ca4205793040aa2e1c852e3b (diff) | |
parent | 10baf04e95fbf7eb6089410220a547211dd2ffa7 (diff) | |
download | linux-8793422fd9ac5037f5047f80473007301df3689f.tar.gz linux-8793422fd9ac5037f5047f80473007301df3689f.tar.bz2 linux-8793422fd9ac5037f5047f80473007301df3689f.zip |
Merge tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
- Rework of the ACPI namespace scanning code from Rafael J. Wysocki
with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
Toshi Kani, and Yinghai Lu.
- ACPI power resources handling and ACPI device PM update from Rafael
J Wysocki.
- ACPICA update to version 20130117 from Bob Moore and Lv Zheng with
contributions from Aaron Lu, Chao Guan, Jesper Juhl, and Tim Gardner.
- Support for Intel Lynxpoint LPSS from Mika Westerberg.
- cpuidle update from Len Brown including Intel Haswell support, C1
state for intel_idle, removal of global pm_idle.
- cpuidle fixes and cleanups from Daniel Lezcano.
- cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri with
contributions from Stratos Karafotis and Rickard Andersson.
- Intel P-states driver for Sandy Bridge processors from Dirk
Brandewie.
- cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.
- cpufreq fixes related to ordering issues between acpi-cpufreq and
powernow-k8 from Borislav Petkov and Matthew Garrett.
- cpufreq support for Calxeda Highbank processors from Mark Langsdorf
and Rob Herring.
- cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
from Shawn Guo.
- cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
and Inderpal Singh.
- Support for "lightweight suspend" from Zhang Rui.
- Removal of the deprecated power trace API from Paul Gortmaker.
- Assorted updates from Andreas Fleig, Colin Ian King, Davidlohr Bueso,
Joseph Salisbury, Kees Cook, Li Fei, Nishanth Menon, ShuoX Liu,
Srinivas Pandruvada, Tejun Heo, Thomas Renninger, and Yasuaki
Ishimatsu.
* tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (267 commits)
PM idle: remove global declaration of pm_idle
unicore32 idle: delete stray pm_idle comment
openrisc idle: delete pm_idle
mn10300 idle: delete pm_idle
microblaze idle: delete pm_idle
m32r idle: delete pm_idle, and other dead idle code
ia64 idle: delete pm_idle
cris idle: delete idle and pm_idle
ARM64 idle: delete pm_idle
ARM idle: delete pm_idle
blackfin idle: delete pm_idle
sparc idle: rename pm_idle to sparc_idle
sh idle: rename global pm_idle to static sh_idle
x86 idle: rename global pm_idle to static x86_idle
APM idle: register apm_cpu_idle via cpuidle
cpufreq / intel_pstate: Add kernel command line option disable intel_pstate.
cpufreq / intel_pstate: Change to disallow module build
tools/power turbostat: display SMI count by default
intel_idle: export both C1 and C1E
ACPI / hotplug: Fix concurrency issues and memory leaks
...
Diffstat (limited to 'Documentation/trace')
-rw-r--r-- | Documentation/trace/events-power.txt | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/Documentation/trace/events-power.txt b/Documentation/trace/events-power.txt index cf794af22855..e1498ff8cf94 100644 --- a/Documentation/trace/events-power.txt +++ b/Documentation/trace/events-power.txt @@ -17,7 +17,7 @@ Cf. include/trace/events/power.h for the events definitions. 1. Power state switch events ============================ -1.1 New trace API +1.1 Trace API ----------------- A 'cpu' event class gathers the CPU-related events: cpuidle and @@ -41,31 +41,6 @@ The event which has 'state=4294967295' in the trace is very important to the use space tools which are using it to detect the end of the current state, and so to correctly draw the states diagrams and to calculate accurate statistics etc. -1.2 DEPRECATED trace API ------------------------- - -A new Kconfig option CONFIG_EVENT_POWER_TRACING_DEPRECATED with the default value of -'y' has been created. This allows the legacy trace power API to be used conjointly -with the new trace API. -The Kconfig option, the old trace API (in include/trace/events/power.h) and the -old trace points will disappear in a future release (namely 2.6.41). - -power_start "type=%lu state=%lu cpu_id=%lu" -power_frequency "type=%lu state=%lu cpu_id=%lu" -power_end "cpu_id=%lu" - -The 'type' parameter takes one of those macros: - . POWER_NONE = 0, - . POWER_CSTATE = 1, /* C-State */ - . POWER_PSTATE = 2, /* Frequency change or DVFS */ - -The 'state' parameter is set depending on the type: - . Target C-state for type=POWER_CSTATE, - . Target frequency for type=POWER_PSTATE, - -power_end is used to indicate the exit of a state, corresponding to the latest -power_start event. - 2. Clocks events ================ The clock events are used for clock enable/disable and for |