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-rw-r--r--tools/perf/Documentation/perf-report.txt13
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index c04cc0647c16..37a175914157 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -72,7 +72,8 @@ OPTIONS
--sort=::
Sort histogram entries by given key(s) - multiple keys can be specified
in CSV format. Following sort keys are available:
- pid, comm, dso, symbol, parent, cpu, socket, srcline, weight, local_weight.
+ pid, comm, dso, symbol, parent, cpu, socket, srcline, weight,
+ local_weight, cgroup_id.
Each key has following meaning:
@@ -80,6 +81,7 @@ OPTIONS
- pid: command and tid of the task
- dso: name of library or module executed at the time of sample
- symbol: name of function executed at the time of sample
+ - symbol_size: size of function executed at the time of sample
- parent: name of function matched to the parent regex filter. Unmatched
entries are displayed as "[other]".
- cpu: cpu number the task ran at the time of sample
@@ -91,6 +93,7 @@ OPTIONS
- 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.
+ - cgroup_id: ID derived from cgroup namespace device and inode numbers.
- transaction: Transaction abort flags.
- overhead: Overhead percentage of sample
- overhead_sys: Overhead percentage of sample running in system mode
@@ -172,6 +175,9 @@ OPTIONS
By default, every sort keys not specified in -F will be appended
automatically.
+ If the keys starts with a prefix '+', then it will append the specified
+ field(s) to the default field order. For example: perf report -F +period,sample.
+
-p::
--parent=<regex>::
A regex filter to identify parent. The parent is a caller of this
@@ -229,6 +235,7 @@ OPTIONS
sort_key can be:
- function: compare on functions (default)
- address: compare on individual code addresses
+ - srcline: compare on source filename and line number
branch can be:
- branch: include last branch information in callgraph when available.
@@ -424,6 +431,10 @@ include::itrace.txt[]
--hierarchy::
Enable hierarchical output.
+--inline::
+ If a callgraph address belongs to an inlined function, the inline stack
+ will be printed. Each entry is function name or file/line.
+
include::callchain-overhead-calculation.txt[]
SEE ALSO