Merge tag 'trace-seq-buf-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/roste...

[cascardo/linux.git] / tools / perf / Documentation / perf-report.txt

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 0927bf4..dd7cccd 100644 (file)
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -159,7 +159,7 @@ OPTIONS
 --dump-raw-trace::
         Dump raw trace in ASCII.
 
--g [type,min[,limit],order[,key]]::
+-g [type,min[,limit],order[,key][,branch]]::
 --call-graph::
         Display call chains using type, min percent threshold, optional print
        limit and order.
@@ -177,6 +177,11 @@ OPTIONS
        - function: compare on functions
        - address: compare on individual code addresses
 
+       branch can be:
+       - branch: include last branch information in callgraph
+       when available. Usually more convenient to use --branch-history
+       for this.
+
        Default: fractal,0.5,callee,function.
 
 --children::
@@ -266,6 +271,11 @@ OPTIONS
        branch stacks and it will automatically switch to the branch view mode,
        unless --no-branch-stack is used.
 
+--branch-history::
+       Add the addresses of sampled taken branches to the callstack.
+       This allows to examine the path the program took to each sample.
+       The data collection must have used -b (or -j) and -g.
+
 --objdump=<path>::
         Path to objdump binary.