op-kernel-dev - Development kernel branch for OpenPOWER systems

	Commit message (Collapse)	Author	Age	Files	Lines
*	PM / tools: scripts: AnalyzeSuspend v4.2	Todd Brandt	2016-07-15	1	-1167/+2474
\| \| \| \| \| \| \| \| \| \| \| \| \|	Update AnalyzeSuspend to v4.2: - kprobe support for function tracing - config file support in lieu of command line options - advanced callgraph support for function debug - dev mode for monitoring common sources of delay, e.g. msleep, udelay - many bug fixes and formatting upgrades Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
*	PM / tools: analyze_suspend.py: update to v3.0	Todd E Brandt	2014-08-09	1	-836/+2981
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	Update of analyze_suspend.py to v3.0 New features include back-2-back suspend testing, device filters to reduce the html size, the inclusion of device_prepare and device_complete callbacks, a usb topography list, and the ability to control USB device autosuspend. UI upgrades include a device detail window and mini-timeline, the addition of a suspend_prepare and resume_complete phase to the timeline which includes the associated device callbacks, automatic highlight of related callbacks, and general color and name changes for better reability. The new version relies on two trace point patches that are already in the kernel: enable_trace_events_suspend_resume.patch enable_trace_events_device_pm_callback.patch It has legacy support for older kernels without these trace events, but when available the tool processes the ftrace output alone (dmesg has been deprecated as a tool input, and is only gathered for convenience). Link: https://01.org/suspendresume/downloads/analyzesuspend-v3.0 Signed-off-by: Todd Brandt <todd.e.brandt@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
*	PM / tools: new tool for suspend/resume performance optimization	Todd E Brandt	2014-01-17	1	-0/+1446
	This tool is designed to assist kernel and OS developers in optimizing their linux stack's suspend/resume time. Using a kernel image built with a few extra options enabled, the tool will execute a suspend and will capture dmesg and ftrace data until resume is complete. This data is transformed into a device timeline and a callgraph to give a quick and detailed view of which devices and callbacks are taking the most time in suspend/resume. The output is a single html file which can be viewed in firefox or chrome. References: https://01.org/suspendresume Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>