Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf into perf/core

Pull perf/core improvements and fixes from Jiri Olsa:

User visible changes:

  * Add --percentage option to control absolute/relative percentage output (Namhyung Kim)

Plumbing changes:

  * Add --list-cmds to 'kmem', 'mem', 'lock' and 'sched', for use by completion scripts (Ramkumar Ramachandra)

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

18 files changed, 230 insertions, 76 deletions

diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index fdfceee0ffd0..fbfa1192923c 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -33,17 +33,20 @@ OPTIONS
 -d::
 --dsos=::
         Only consider symbols in these dsos. CSV that understands
-        file://filename entries.
+        file://filename entries.  This option will affect the percentage
+        of the Baseline/Delta column.  See --percentage for more info.
 
 -C::
 --comms=::
         Only consider symbols in these comms. CSV that understands
-        file://filename entries.
+        file://filename entries.  This option will affect the percentage
+        of the Baseline/Delta column.  See --percentage for more info.
 
 -S::
 --symbols=::
         Only consider these symbols. CSV that understands
-        file://filename entries.
+        file://filename entries.  This option will affect the percentage
+        of the Baseline/Delta column.  See --percentage for more info.
 
 -s::
 --sort=::
@@ -89,6 +92,14 @@ OPTIONS
 --order::
        Specify compute sorting column number.
 
+--percentage::
+        Determine how to display the overhead percentage of filtered entries.
+        Filters can be applied by --comms, --dsos and/or --symbols options.
+
+        "relative" means it's relative to filtered entries only so that the
+        sum of shown entries will be always 100%.  "absolute" means it retains
+        the original value before and after the filter is applied.
+
 COMPARISON
 ----------
 The comparison is governed by the baseline file. The baseline perf.data
@@ -157,6 +168,10 @@ with:
   - period_percent being the % of the hist entry period value within
     single data file
 
+  - with filtering by -C, -d and/or -S, period_percent might be changed
+    relative to how entries are filtered.  Use --percentage=absolute to
+    prevent such fluctuation.
+
 ratio
 ~~~~~
 If specified the 'Ratio' column is displayed with value 'r' computed as:
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 8eab8a4bdeb8..09af66298564 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -25,10 +25,6 @@ OPTIONS
 --verbose::
         Be more verbose. (show symbol address, etc)
 
--d::
---dsos=::
-        Only consider symbols in these dsos. CSV that understands
-        file://filename entries.
 -n::
 --show-nr-samples::
         Show the number of samples for each symbol
@@ -42,11 +38,18 @@ OPTIONS
 -c::
 --comms=::
         Only consider symbols in these comms. CSV that understands
-        file://filename entries.
+        file://filename entries.  This option will affect the percentage of
+        the overhead column.  See --percentage for more info.
+-d::
+--dsos=::
+        Only consider symbols in these dsos. CSV that understands
+        file://filename entries.  This option will affect the percentage of
+        the overhead column.  See --percentage for more info.
 -S::
 --symbols=::
         Only consider these symbols. CSV that understands
-        file://filename entries.
+        file://filename entries.  This option will affect the percentage of
+        the overhead column.  See --percentage for more info.
 
 --symbol-filter=::
         Only show symbols that match (partially) with this filter.
@@ -237,6 +240,15 @@ OPTIONS
         Do not show entries which have an overhead under that percent.
         (Default: 0).
 
+--percentage::
+        Determine how to display the overhead percentage of filtered entries.
+        Filters can be applied by --comms, --dsos and/or --symbols options and
+        Zoom operations on the TUI (thread, dso, etc).
+
+        "relative" means it's relative to filtered entries only so that the
+        sum of shown entries will be always 100%.  "absolute" means it retains
+        the original value before and after the filter is applied.
+
 --header::
         Show header information in the perf.data file.  This includes
         various information like hostname, OS and perf version, cpu/mem
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index 976b00c6cdb1..64ed79c43639 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -123,13 +123,16 @@ Default is to monitor all CPUS.
         Show a column with the sum of periods.
 
 --dsos::
-        Only consider symbols in these dsos.
+        Only consider symbols in these dsos.  This option will affect the
+        percentage of the overhead column.  See --percentage for more info.
 
 --comms::
-        Only consider symbols in these comms.
+        Only consider symbols in these comms.  This option will affect the
+        percentage of the overhead column.  See --percentage for more info.
 
 --symbols::
-        Only consider these symbols.
+        Only consider these symbols.  This option will affect the
+        percentage of the overhead column.  See --percentage for more info.
 
 -M::
 --disassembler-style=:: Set disassembler style for objdump.
@@ -165,6 +168,15 @@ Default is to monitor all CPUS.
         Do not show entries which have an overhead under that percent.
         (Default: 0).
 
+--percentage::
+        Determine how to display the overhead percentage of filtered entries.
+        Filters can be applied by --comms, --dsos and/or --symbols options and
+        Zoom operations on the TUI (thread, dso, etc).
+
+        "relative" means it's relative to filtered entries only so that the