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-rw-r--r--tools/perf/Documentation/perf-top.txt18
1 files changed, 5 insertions, 13 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index 58d6598a968..6a118e71d00 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -140,20 +140,12 @@ Default is to monitor all CPUS.
--asm-raw::
Show raw instruction encoding of assembly instructions.
--G [type,min,order]::
+-G::
+ Enables call-graph (stack chain/backtrace) recording.
+
--call-graph::
- Display call chains using type, min percent threshold and order.
- type can be either:
- - flat: single column, linear exposure of call chains.
- - 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.
-
- order can be either:
- - callee: callee based call graph.
- - caller: inverted caller based call graph.
-
- Default: fractal,0.5,callee.
+ Setup and enable call-graph (stack chain/backtrace) recording,
+ implies -G.
--ignore-callees=<regex>::
Ignore callees of the function(s) matching the given regex.