summaryrefslogtreecommitdiff
path: root/tools/perf/Documentation
diff options
context:
space:
mode:
authorAndi Kleen <ak@linux.intel.com>2013-09-20 07:40:43 -0700
committerIngo Molnar <mingo@kernel.org>2013-10-04 10:06:12 +0200
commit475eeab9f3c1579c8da89667496084db4867bf7c (patch)
treecacc059c63a8091d69f2cd024dba7c74a6b0d1d8 /tools/perf/Documentation
parent0126d493b62e1306db09e1019c05e0bfe84ae8e7 (diff)
downloadlinux-475eeab9f3c1579c8da89667496084db4867bf7c.tar.gz
tools/perf: Add support for record transaction flags
Add support for recording and displaying the transaction flags. They are essentially a new sort key. Also display them in a nice way to the user. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1379688044-14173-6-git-send-email-andi@firstfloor.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r--tools/perf/Documentation/perf-record.txt4
-rw-r--r--tools/perf/Documentation/perf-report.txt4
-rw-r--r--tools/perf/Documentation/perf-top.txt2
3 files changed, 8 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index 6bec1c944849..f732eaa6a500 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -179,12 +179,14 @@ is enabled for all the sampling events. The sampled branch type is the same for
The various filters must be specified as a comma separated list: --branch-filter any_ret,u,k
Note that this feature may not be available on all processors.
--W::
--weight::
Enable weightened sampling. An additional weight is recorded per sample and can be
displayed with the weight and local_weight sort keys. This currently works for TSX
abort events and some memory events in precise mode on modern Intel CPUs.
+--transaction::
+Record transaction flags for transaction related events.
+
SEE ALSO
--------
linkperf:perf-stat[1], linkperf:perf-list[1]
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index ae337e38cff5..be5ad87b6c3d 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -72,6 +72,10 @@ OPTIONS
- cpu: cpu number the task ran at the time of sample
- srcline: filename and line number executed at the time of sample. The
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)
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index f852eb5d988d..6d70fbfe28a2 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -113,7 +113,7 @@ Default is to monitor all CPUS.
-s::
--sort::
Sort by key(s): pid, comm, dso, symbol, parent, srcline, weight,
- local_weight, abort, in_tx
+ local_weight, abort, in_tx, transaction
-n::
--show-nr-samples::