kfdtest: Implement SuspendAndWakeUp()

Change-Id: I16384cd0ca35f15841344ded4d4237a0a862a934
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>

tests/kfdtest/scripts/kfdtest.exclude

@@ -1,5 +1,14 @@
+
+# Power management tests
+PM_TESTS=\
+"KFDPMTest.SuspendWithActiveProcess:"\
+"KFDPMTest.SuspendWithIdleQueue:"\
+"KFDPMTest.SuspendWithIdleQueueAfterWork:"\
+
 # Permanent exclusions
 # These tests are included for debugging, but are not executed in normal execution on any ASIC:
+# PM_TESTS need human intervention, so put it here. Developers can run them
+# manually through "-p pm" option.
 #
 # Fragmentation test fails intermittently on different systems (see KFD-344). It
 # stresses memory management in unusual ways by having lots of memory allocated but
@@ -12,6 +21,7 @@
 # clears memory at allocation time.
 PERMANENT_BLACKLIST_ALL_ASICS=\
 "-KFDEventTest.MeasureInterruptConsumption:"\
+"$PM_TESTS:"\
 "KFDLocalMemoryTest.Fragmentation:"\
 "KFDQMTest.BasicCuMaskingLinear:"\
 "RDMATest.GPUDirect:"\
@@ -24,15 +34,11 @@ PERMANENT_BLACKLIST_ALL_ASICS=\
 # failures can be found
 # NOTE: If you update this alphabetical listing, add the corresponding JIRA ticket for reference
 #
-# KFDPMTest.SuspendWith[ActiveProcess|IdleQueue|IdleQueueAfterWork] (KFD-326|327|328)
 # KFDPNPTest.DisableAndCreateQueue (KFD-329)
 # KFDQMTest.GPUDoorbellWrite fails intermittently (KFD-318)
 # KFDQMTest.mGPUShareBO (KFD-334)
 # KFDHWSTest.* (SWDEV-193035)
 TEMPORARY_BLACKLIST_ALL_ASICS=\
-"KFDPMTest.SuspendWithActiveProcess:"\
-"KFDPMTest.SuspendWithIdleQueue:"\
-"KFDPMTest.SuspendWithIdleQueueAfterWork:"\
 "KFDPNPTest.DisableAndCreateQueue:"\
 "KFDQMTest.GPUDoorbellWrite:"\
 "KFDQMTest.mGPUShareBO:"\

tests/kfdtest/scripts/run_kfdtest.sh

@@ -51,7 +51,7 @@ printUsage() {
     echo
     echo "Gtest arguments will be forwarded to the app"
     echo
-    echo "Valid platform options: polaris10, vega10, vega20, all, and so on"
+    echo "Valid platform options: pm, core, polaris10, vega10, vega20, all, and so on"
     echo "'all' option runs all tests"
 
     return 0
@@ -76,6 +76,7 @@ getFilter() {
         arcturus ) FILTER="--gtest_filter=$ARCT_TESTS_BLACKLIST" ;;
         navi10 ) FILTER="--gtest_filter=$NAVI10_TESTS_BLACKLIST" ;;
         core ) FILTER="--gtest_filter=$CORE_TESTS" ;;
+        pm ) FILTER="--gtest_filter=$PM_TESTS" ;;
         all ) FILTER="" ;;
         *) die "Unsupported platform $platform. Exiting" ;;
     esac

tests/kfdtest/src/LinuxOSWrapper.cpp

@@ -87,8 +87,22 @@ HSAuint64 GetSystemTickCountInMicroSec() {
 }
 
 bool SuspendAndWakeUp() {
-    // TODO: Implement
-    return false;
+    printf("Please press any key after the system suspends....\n");
+
+    // Use "sudo apt install pm-utils" to install the "pm-suspend"
+    int ret = system("sudo pm-suspend");
+
+    if (ret == -1) {
+        printf("The system linux command could not be run!\n");
+        return false;
+    } else {
+        if (WEXITSTATUS(ret)) {
+            printf("Use 'sudo apt install pm-utils' to install 'pm-suspend' on Ubuntu\n");
+            return false;
+        }
+    }
+
+    return true;
 }
 
 void AcquirePrivilege(OS_PRIVILEGE priv) {