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author | Todd Brandt <todd.e.brandt@linux.intel.com> | 2019-05-14 10:53:59 -0700 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-05-27 11:17:07 +0200 |
commit | d5a5e4ec5b415e63dee9dd76653377455572ac09 (patch) | |
tree | 5e571ad8080f14f085d07a2c414f5011fcda1d90 /tools/power/pm-graph/sleepgraph.8 | |
parent | 45dd0a42b90bed6cb8c63e7f88f62bf5662c2413 (diff) | |
download | blackbird-op-linux-d5a5e4ec5b415e63dee9dd76653377455572ac09.tar.gz blackbird-op-linux-d5a5e4ec5b415e63dee9dd76653377455572ac09.zip |
Add README and update pm-graph and sleepgraph docs
Config/man page/README files:
- include README in the pm-graph folder
- add more detail to the example config to describe more options
- update the sleepgraph man page to document the new arguments
Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools/power/pm-graph/sleepgraph.8')
-rw-r--r-- | tools/power/pm-graph/sleepgraph.8 | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/tools/power/pm-graph/sleepgraph.8 b/tools/power/pm-graph/sleepgraph.8 index 24a2e7d0ae63..9648be644d5f 100644 --- a/tools/power/pm-graph/sleepgraph.8 +++ b/tools/power/pm-graph/sleepgraph.8 @@ -53,6 +53,11 @@ disable rtcwake and require a user keypress to resume. Add the dmesg and ftrace logs to the html output. They will be viewable by clicking buttons in the timeline. .TP +\fB-turbostat\fR +Use turbostat to execute the command in freeze mode (default: disabled). This +will provide turbostat output in the log which will tell you which actual +power modes were entered. +.TP \fB-result \fIfile\fR Export a results table to a text file for parsing. .TP @@ -121,6 +126,10 @@ be created in a new subdirectory with a summary page: suspend-xN-{date}-{time}. Use ftrace to create device callgraphs (default: disabled). This can produce very large outputs, i.e. 10MB - 100MB. .TP +\fB-ftop\fR +Use ftrace on the top level call: "suspend_devices_and_enter" only (default: disabled). +This option implies -f and creates a single callgraph covering all of suspend/resume. +.TP \fB-maxdepth \fIlevel\fR limit the callgraph trace depth to \fIlevel\fR (default: 0=all). This is the best way to limit the output size when using callgraphs via -f. @@ -138,8 +147,8 @@ which are barely visible in the timeline. The value is a float: e.g. 0.001 represents 1 us. .TP \fB-cgfilter \fI"func1,func2,..."\fR -Reduce callgraph output in the timeline by limiting it to a list of calls. The -argument can be a single function name or a comma delimited list. +Reduce callgraph output in the timeline by limiting it certain devices. The +argument can be a single device name or a comma delimited list. (default: none) .TP \fB-cgskip \fIfile\fR @@ -183,6 +192,9 @@ Print out the contents of the ACPI Firmware Performance Data Table. \fB-battery\fR Print out battery status and current charge. .TP +\fB-wifi\fR +Print out wifi status and connection details. +.TP \fB-xon/-xoff/-xstandby/-xsuspend\fR Test xset by attempting to switch the display to the given mode. This is the same command which will be issued by \fB-display \fImode\fR. |