perf diff: Use perf_session__fprintf_hists just like 'perf record'

[deliverable/linux.git] / tools / perf / Documentation / perf-diff.txt

diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index b7c393bf9ec19d5a0176d4a3d77e54b76fd4b7f7..8974e208cba6a72e67f1c78ed0754741c23d1e52 100644 (file)
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -19,13 +19,37 @@ If no parameters are passed it will assume perf.data.old and perf.data.
 
 OPTIONS
 -------
--p::
---percentage::
-       Show percentages instead of raw counts
+-d::
+--dsos=::
+       Only consider symbols in these dsos. CSV that understands
+       file://filename entries.
+
+-C::
+--comms=::
+       Only consider symbols in these comms. CSV that understands
+       file://filename entries.
+
+-S::
+--symbols=::
+       Only consider these symbols. CSV that understands
+       file://filename entries.
+
+-s::
+--sort=::
+       Sort by key(s): pid, comm, dso, symbol.
+
+-t::
+--field-separator=::
+
+       Use a special separator character and don't pad with spaces, replacing
+       all occurances of this separator in symbol names (and other output)
+       with a '.' character, that thus it's the only non valid separator.
+
 -v::
 --verbose::
        Be verbose, for instance, show the raw counts in addition to the
        diff.
+
 SEE ALSO
 --------
 linkperf:perf-record[1]