perf_2.6.32-report1
Read perf.data (created by perf record) and display the profile
Usage
perf report
[{-i
<file> | --input=file}]
Overview
This command displays the performance counter profile information recorded via perf record.
Options
-i, --input=
Input file name. (default: perf.data)
-d, --dsos=
Only consider symbols in these dsos. CSV that understands file://filename entries. -n --show-nr-samples Show the number of samples for each symbol -T --threads Show per-thread event counters
-C, --comms=
Only consider symbols in these comms. CSV that understands file://filename entries.
-S, --symbols=
Only consider these symbols. CSV that understands file://filename entries.
-w, --field-width=
Force each column width to the provided list, for large terminal readability.
-t, --field-separator=
Use a special separator character and don’t pad with spaces, replacing all occurances of this separator in symbol names (and other output) with a . character, that thus it’s the only non valid separator.
-
-g [type,min], --call-graph -
Display callchains using type and min percent threshold. type can be either:
• flat: single column, linear exposure of callchains.
• graph: use a graph tree, displaying absolute overhead rates.
• fractal: like graph, but displays relative rates. Each branch of the tree is considered as a new profiled object.
Default: fractal,0.5.