diff options
Diffstat (limited to 'tools/power/pm-graph/bootgraph.8')
| -rw-r--r-- | tools/power/pm-graph/bootgraph.8 | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/tools/power/pm-graph/bootgraph.8 b/tools/power/pm-graph/bootgraph.8 index dbdafcf546df..64d513f80a2a 100644 --- a/tools/power/pm-graph/bootgraph.8 +++ b/tools/power/pm-graph/bootgraph.8 @@ -37,6 +37,9 @@ Print the current tool version Add the dmesg log to the html output. It will be viewable by clicking a button in the timeline. .TP +\fB-result \fIfile\fR +Export a results table to a text file for parsing. +.TP \fB-o \fIname\fR Overrides the output subdirectory name when running a new test. Use {date}, {time}, {hostname} for current values. @@ -44,14 +47,14 @@ Use {date}, {time}, {hostname} for current values. e.g. boot-{hostname}-{date}-{time} .SS "advanced" .TP -\fB-f\fR -Use ftrace to add function detail (default: disabled) -.TP -\fB-callgraph\fR +\fB-f or -callgraph\fR Use ftrace to create initcall callgraphs (default: disabled). If -func is not used there will be one callgraph per initcall. This can produce very large outputs, i.e. 10MB - 100MB. .TP +\fB-fstat\fR +Use ftrace to add function detail (default: disabled) +.TP \fB-maxdepth \fIlevel\fR limit the callgraph trace depth to \fIlevel\fR (default: 2). This is the best way to limit the output size when using -callgraph. @@ -67,6 +70,13 @@ 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. (default: none) .TP +\fB-cgskip \fIfile\fR +Reduce callgraph output in the timeline by skipping over uninteresting +functions in the trace, e.g. printk or console_unlock. The functions listed +in this file will show up as empty leaves in the callgraph with only the start/end +times displayed. +(default: none) +.TP \fB-timeprec \fIn\fR Number of significant digits in timestamps (0:S, 3:ms, [6:us]) .TP |