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-rw-r--r--tools/perf/Documentation/perf-report.txt16
1 files changed, 15 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 2b8097ee39d8..10a279871251 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -71,7 +71,11 @@ OPTIONS
entries are displayed as "[other]".
- cpu: cpu number the task ran at the time of sample
- srcline: filename and line number executed at the time of sample. The
- DWARF debuggin info must be provided.
+ DWARF debugging info must be provided.
+ - weight: Event specific weight, e.g. memory latency or transaction
+ abort cost. This is the global weight.
+ - local_weight: Local weight version of the weight above.
+ - transaction: Transaction abort flags.
By default, comm, dso and symbol keys are used.
(i.e. --sort comm,dso,symbol)
@@ -85,6 +89,8 @@ OPTIONS
- symbol_from: name of function branched from
- symbol_to: name of function branched to
- mispredict: "N" for predicted branch, "Y" for mispredicted branch
+ - in_tx: branch in TSX transaction
+ - abort: TSX transaction abort.
And default sort keys are changed to comm, dso_from, symbol_from, dso_to
and symbol_to, see '--branch-stack'.
@@ -135,6 +141,14 @@ OPTIONS
Default: fractal,0.5,callee,function.
+--max-stack::
+ Set the stack depth limit when parsing the callchain, anything
+ beyond the specified depth will be ignored. This is a trade-off
+ between information loss and faster processing especially for
+ workloads that can have a very long callchain stack.
+
+ Default: 127
+
-G::
--inverted::
alias for inverted caller based call graph.