diff options
Diffstat (limited to 'tools/power/pm-graph/sleepgraph.8')
| -rw-r--r-- | tools/power/pm-graph/sleepgraph.8 | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/tools/power/pm-graph/sleepgraph.8 b/tools/power/pm-graph/sleepgraph.8 index 610e72ebbc06..fbe7bd3eae8e 100644 --- a/tools/power/pm-graph/sleepgraph.8 +++ b/tools/power/pm-graph/sleepgraph.8 @@ -39,8 +39,9 @@ Pull arguments and config options from a file. \fB-m \fImode\fR Mode to initiate for suspend e.g. standby, freeze, mem (default: mem). .TP -\fB-o \fIsubdir\fR -Override the output subdirectory. Use {date}, {time}, {hostname} for current values. +\fB-o \fIname\fR +Overrides the output subdirectory name when running a new test. +Use {date}, {time}, {hostname} for current values. .sp e.g. suspend-{hostname}-{date}-{time} .TP @@ -52,7 +53,7 @@ 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. -.SS "Advanced" +.SS "advanced" .TP \fB-cmd \fIstr\fR Run the timeline over a custom suspend command, e.g. pm-suspend. By default @@ -91,7 +92,7 @@ Include \fIt\fR ms delay after last resume (default: 0 ms). Execute \fIn\fR consecutive tests at \fId\fR seconds intervals. The outputs will be created in a new subdirectory with a summary page: suspend-xN-{date}-{time}. -.SS "Ftrace Debug" +.SS "ftrace debug" .TP \fB-f\fR Use ftrace to create device callgraphs (default: disabled). This can produce @@ -124,12 +125,6 @@ Number of significant digits in timestamps (0:S, [3:ms], 6:us). .SH COMMANDS .TP -\fB-ftrace \fIfile\fR -Create HTML output from an existing ftrace file. -.TP -\fB-dmesg \fIfile\fR -Create HTML output from an existing dmesg file. -.TP \fB-summary \fIindir\fR Create a summary page of all tests in \fIindir\fR. Creates summary.html in the current folder. The output page is a table of tests with @@ -146,6 +141,9 @@ with any options you intend to use to see if they will work. \fB-fpdt\fR Print out the contents of the ACPI Firmware Performance Data Table. .TP +\fB-sysinfo\fR +Print out system info extracted from BIOS. Reads /dev/mem directly instead of going through dmidecode. +.TP \fB-usbtopo\fR Print out the current USB topology with power info. .TP @@ -162,9 +160,16 @@ with -fadd they will also be checked. \fB-flistall\fR Print all ftrace functions capable of being captured. These are all the possible values you can add to trace via the -fadd argument. +.SS "rebuild" +.TP +\fB-ftrace \fIfile\fR +Create HTML output from an existing ftrace file. +.TP +\fB-dmesg \fIfile\fR +Create HTML output from an existing dmesg file. .SH EXAMPLES -.SS "Simple Commands" +.SS "simple commands" Check which suspend modes are currently supported. .IP \f(CW$ sleepgraph -modes\fR @@ -185,12 +190,8 @@ Generate a summary of all timelines in a particular folder. .IP \f(CW$ sleepgraph -summary ~/workspace/myresults/\fR .PP -Re-generate the html output from a previous run's dmesg and ftrace log. -.IP -\f(CW$ sleepgraph -dmesg myhost_mem_dmesg.txt -ftrace myhost_mem_ftrace.txt\fR -.PP -.SS "Capturing Simple Timelines" +.SS "capturing basic timelines" Execute a mem suspend with a 15 second wakeup. Include the logs in the html. .IP \f(CW$ sudo sleepgraph -rtcwake 15 -addlogs\fR @@ -204,7 +205,7 @@ Execute a freeze with no wakeup (require keypress). Change output folder name. \f(CW$ sudo sleepgraph -m freeze -rtcwake off -o "freeze-{hostname}-{date}-{time}"\fR .PP -.SS "Capturing Advanced Timelines" +.SS "capturing advanced timelines" Execute a suspend & include dev mode source calls, limit callbacks to 5ms or larger. .IP \f(CW$ sudo sleepgraph -m mem -rtcwake 15 -dev -mindev 5\fR @@ -222,8 +223,7 @@ Execute a suspend using a custom command. \f(CW$ sudo sleepgraph -cmd "echo mem > /sys/power/state" -rtcwake 15\fR .PP - -.SS "Capturing Timelines with Callgraph Data" +.SS "adding callgraph data" Add device callgraphs. Limit the trace depth and only show callgraphs 10ms or larger. .IP \f(CW$ sudo sleepgraph -m mem -rtcwake 15 -f -maxdepth 5 -mincg 10\fR @@ -235,6 +235,16 @@ Capture a full callgraph across all suspend, then filter the html by a single ph \f(CW$ sleepgraph -dmesg host_mem_dmesg.txt -ftrace host_mem_ftrace.txt -f -cgphase resume .PP +.SS "rebuild timeline from logs" +.PP +Rebuild the html from a previous run's logs, using the same options. +.IP +\f(CW$ sleepgraph -dmesg dmesg.txt -ftrace ftrace.txt -callgraph\fR +.PP +Rebuild the html with different options. +.IP +\f(CW$ sleepgraph -dmesg dmesg.txt -ftrace ftrace.txt -addlogs -srgap\fR + .SH "SEE ALSO" dmesg(1) .PP |