diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
index 8f3d30c5a0d8..48fb488e000e 100644
--- a/Documentation/admin-guide/pm/amd-pstate.rst
+++ b/Documentation/admin-guide/pm/amd-pstate.rst
@@ -409,37 +409,53 @@ Unit Tests for amd-pstate
 
 1. Test case decriptions
 
+    1). basic tests
+
+        Test prerequisite and basic functions for the ``amd-pstate`` driver.
+
         +---------+--------------------------------+------------------------------------------------------------------------------------+
         | Index   | Functions                      | Description                                                                        |
         +=========+================================+====================================================================================+
-        | 0       | amd_pstate_ut_acpi_cpc_valid   || Check whether the _CPC object is present in SBIOS.                                |
+        | 1       | amd_pstate_ut_acpi_cpc_valid   || Check whether the _CPC object is present in SBIOS.                                |
         |         |                                ||                                                                                   |
         |         |                                || The detail refer to `Processor Support <processor_support_>`_.                    |
         +---------+--------------------------------+------------------------------------------------------------------------------------+
-        | 1       | amd_pstate_ut_check_enabled    || Check whether AMD P-State is enabled.                                             |
+        | 2       | amd_pstate_ut_check_enabled    || Check whether AMD P-State is enabled.                                             |
         |         |                                ||                                                                                   |
         |         |                                || AMD P-States and ACPI hardware P-States always can be supported in one processor. |
         |         |                                | But AMD P-States has the higher priority and if it is enabled with                 |
         |         |                                | :c:macro:`MSR_AMD_CPPC_ENABLE` or ``cppc_set_enable``, it will respond to the      |
         |         |                                | request from AMD P-States.                                                         |
         +---------+--------------------------------+------------------------------------------------------------------------------------+
-        | 2       | amd_pstate_ut_check_perf       || Check if the each performance values are reasonable.                              |
+        | 3       | amd_pstate_ut_check_perf       || Check if the each performance values are reasonable.                              |
         |         |                                || highest_perf >= nominal_perf > lowest_nonlinear_perf > lowest_perf > 0.           |
         +---------+--------------------------------+------------------------------------------------------------------------------------+
-        | 3       | amd_pstate_ut_check_freq       || Check if the each frequency values and max freq when set support boost mode       |
+        | 4       | amd_pstate_ut_check_freq       || Check if the each frequency values and max freq when set support boost mode       |
         |         |                                | are reasonable.                                                                    |
         |         |                                || max_freq >= nominal_freq > lowest_nonlinear_freq > min_freq > 0                   |
         |         |                                || If boost is not active but supported, this maximum frequency will be larger than  |
         |         |                                | the one in ``cpuinfo``.                                                            |
         +---------+--------------------------------+------------------------------------------------------------------------------------+
 
+    2). Tbench test
+
+        Testing and monitor the cpu changes when running tbench benchmark under the specified governor.
+        These changes include desire performance, frequency, load, performance, energy etc.
+        The specified governor is ondemand or schedutil.
+
+    3). Gitsource test
+
+        Testing and monitor the cpu changes when running gitsource benchmark under the specified governor.
+        These changes include desire performance, frequency, load, time, energy etc.
+        The specified governor is ondemand or schedutil.
+
 #. How to execute the tests
 
    We use test module in the kselftest frameworks to implement it.
    We create amd-pstate-ut module and tie it into kselftest.(for
    details refer to Linux Kernel Selftests [4]_).
 
-    1. Build
+    a. Build
 
         + open the :c:macro:`CONFIG_X86_AMD_PSTATE` configuration option.
         + set the :c:macro:`CONFIG_X86_AMD_PSTATE_UT` configuration option to M.
@@ -449,23 +465,95 @@ Unit Tests for amd-pstate
             $ cd linux
             $ make -C tools/testing/selftests
 
+        + make perf ::
+
+            $ cd tools/perf/
+            $ make
+
+
     #. Installation & Steps ::
 
         $ make -C tools/testing/selftests install INSTALL_PATH=~/kselftest
+        $ cp tools/perf/perf ~/kselftest/amd-pstate/
         $ sudo ./kselftest/run_kselftest.sh -c amd-pstate
-        TAP version 13
-        1..1
-        # selftests: amd-pstate: amd-pstate-ut.sh
-        # amd-pstate-ut: ok
-        ok 1 selftests: amd-pstate: amd-pstate-ut.sh
-
-    #. Results ::
-
-         $ dmesg | grep "amd_pstate_ut" | tee log.txt
-         [12977.570663] amd_pstate_ut: 1    amd_pstate_ut_acpi_cpc_valid  success!
-         [12977.570673] amd_pstate_ut: 2    amd_pstate_ut_check_enabled   success!
-         [12977.571207] amd_pstate_ut: 3    amd_pstate_ut_check_perf      success!
-         [12977.571212] amd_pstate_ut: 4    amd_pstate_ut_check_freq      success!
+
+    #. Specified test case ::
+
+        $ cd ~/kselftest/amd-pstate
+        $ sudo ./run.sh -t basic
+        $ sudo ./run.sh -t tbench
+        $ sudo ./run.sh -t gitsource
+        $ ./run.sh --help
+        ./run.sh: illegal option -- -
+        Usage: ./run.sh [OPTION...]
+        [-h <help>]
+        [-o <output-file-for-dump>]
+        [-t <all:       All testing,
+        basic:     Basic testing,
+        tbench:    Test tbench,
+        gitsource: Test gitsource.>]
+        [-i <tbench time limit>]
+        [-p <tbench process number>]
+        [-l <loop times for tbench/gitsource]
+        [-n <amd tracer interval]
+
+    4). Results
+
+        + basic
+
+         When you finish test, you will get the following log info ::
+
+          $ dmesg | grep "amd_pstate_ut" | tee log.txt
+          [12977.570663] amd_pstate_ut: 1    amd_pstate_ut_acpi_cpc_valid  success!
+          [12977.570673] amd_pstate_ut: 2    amd_pstate_ut_check_enabled   success!
+          [12977.571207] amd_pstate_ut: 3    amd_pstate_ut_check_perf      success!
+          [12977.571212] amd_pstate_ut: 4    amd_pstate_ut_check_freq      success!
+
+        + tbench
+
+         When you finish test, you will get selftest.tbench.csv and selftest.tbench.result files form amd-pstate.
+         Open selftest.tbench.csv :
+
+         +-----------+---------+----------+---------+----------+-------------------+----------------+-----------+
+         + Governor  | Round   | Des-perf | Freq    | Load     | Performance(MB/s) | Energy(Joules) | PPW(MB/J) |
+         +===========+=========+==========+=========+==========+===================+================+===========+
+         + ondemand  | 1       | 203.244  | 3.2225  | 87.5064  | 35368.2           | 6626.1         | 101.4164  |
+         +-----------+---------+----------+---------+----------+-------------------+----------------+-----------+
+         + ondemand  | 2       | 205.861  | 3.24948 | 88.9281  | 34795.7           | 6547.06        | 100.9794  |
+         +-----------+---------+----------+---------+----------+-------------------+----------------+-----------+
+         + ondemand  | Average | 204.553  | 3.23599 | 88.2173  | 35081.9           | 6586.58        | 101.1991  |
+         +-----------+---------+----------+---------+----------+-------------------+----------------+-----------+
+         +           |         |          |         |          |                   |                |           |
+         +-----------+---------+----------+---------+----------+-------------------+----------------+-----------+
+         + schedutil | 1       | 253.735  | 3.26755 | 96.6481  | 34653.9           | 6622.85        | 99.4170   |
+         +-----------+---------+----------+---------+----------+-------------------+----------------+-----------+
+         + schedutil | 2       | 254.654  | 3.44086 | 92.3564  | 31707.8           | 6573.67        | 91.6456   |
+         +-----------+---------+----------+---------+----------+-------------------+----------------+-----------+
+         + schedutil | Average | 254.195  | 3.3542  | 94.5023  | 33180.8           | 6598.26        | 95.5456   |
+         +-----------+---------+----------+---------+----------+-------------------+----------------+-----------+
+
+        + gitsource
+
+         When you finish test, you will get selftest.gitsource.csv and selftest.gitsource.result files form amd-pstate.
+         Open selftest.gitsource.csv :
+
+         +-----------+---------+----------+----------+----------+----------+----------------+----------+
+         + Governor  | Round   | Des-perf | Freq     | Load     | Times(s) | Energy(Joules) | PPW(s/J) |
+         +===========+=========+==========+==========+==========+==========+================+==========+
+         + ondemand  | 1       | 29.7305  | 1.13025  | 8.49585  | 341.61   | 6811.02        | 0.0501   |
+         +-----------+---------+----------+----------+----------+----------+----------------+----------+
+         + ondemand  | 2       | 28.0523  | 1.33848  | 8.16496  | 339.21   | 6999.84        | 0.0484   |
+         +-----------+---------+----------+----------+----------+----------+----------------+----------+
+         + ondemand  | Average | 28.8914  | 1.23436  | 8.33041  | 340.41   | 6905.43        | 0.0492   |
+         +-----------+---------+----------+----------+----------+----------+----------------+----------+
+         +           |         |          |          |          |          |                |          |
+         +-----------+---------+----------+----------+----------+----------+----------------+----------+
+         + schedutil | 1       | 29.6971  | 0.834149 | 9.57879  | 278.15   | 5992.26        | 0.0464   |
+         +-----------+---------+----------+----------+----------+----------+----------------+----------+
+         + schedutil | 2       | 31.6573  | 0.99686  | 8.60513  | 280.28   | 5772.59        | 0.0485   |
+         +-----------+---------+----------+----------+----------+----------+----------------+----------+
+         + schedutil | Average | 30.6772  | 0.915504 | 9.09196  | 279.215  | 5882.43        | 0.0474   |
+         +-----------+---------+----------+----------+----------+----------+----------------+----------+
 
 Reference
 ===========
