Remove experimental jvmti wallclock profiler (#10872)

Remove experimental jvmti wallclock profiler

Merge branch 'master' into zgu/rm-experiment-wall-jvmti

Co-authored-by: devflow.devflow-routing-intake <devflow.devflow-routing-intake@kubernetes.us1.ddbuild.io>

Author: zhengyu123

dd-java-agent/agent-profiling/profiling-controller/src/main/java/com/datadog/profiling/controller/ProfilerFlareReporter.java

@@ -345,14 +345,6 @@ private String getProfilerConfig() {
             ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_CONTEXT_FILTER,
             ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_CONTEXT_FILTER_DEFAULT),
         ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_CONTEXT_FILTER_DEFAULT);
-    appendConfig(
-        sb,
-        "DDProf Wall JVMTI",
-        configProvider.getBoolean(
-            ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_JVMTI,
-            ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_JVMTI_DEFAULT),
-        ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_JVMTI_DEFAULT);
-
     sb.append("\n=== DDProf Allocation Profiling ===\n");
     appendConfig(
         sb,

dd-java-agent/agent-profiling/profiling-ddprof/src/main/java/com/datadog/profiling/ddprof/DatadogProfiler.java

@@ -22,7 +22,6 @@
 import static com.datadog.profiling.ddprof.DatadogProfilerConfig.isTrackingGenerations;
 import static com.datadog.profiling.ddprof.DatadogProfilerConfig.isWallClockProfilerEnabled;
 import static com.datadog.profiling.ddprof.DatadogProfilerConfig.omitLineNumbers;
-import static com.datadog.profiling.ddprof.DatadogProfilerConfig.useJvmtiWallclockSampler;
 import static com.datadog.profiling.utils.ProfilingMode.ALLOCATION;
 import static com.datadog.profiling.utils.ProfilingMode.CPU;
 import static com.datadog.profiling.utils.ProfilingMode.MEMLEAK;
@@ -313,9 +312,6 @@ String cmdStartProfiling(Path file) throws IllegalStateException {
       } else {
         cmd.append(",filter=");
       }
-      if (useJvmtiWallclockSampler(configProvider)) {
-        cmd.append(",wallsampler=jvmti");
-      }
     }
     cmd.append(",loglevel=").append(getLogLevel(configProvider));
     if (profilingModes.contains(ALLOCATION) || profilingModes.contains(MEMLEAK)) {

dd-java-agent/agent-profiling/profiling-ddprof/src/main/java/com/datadog/profiling/ddprof/DatadogProfilerConfig.java

@@ -43,8 +43,6 @@
 import static datadog.trace.api.config.ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_ENABLED;
 import static datadog.trace.api.config.ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_INTERVAL;
 import static datadog.trace.api.config.ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_INTERVAL_DEFAULT;
-import static datadog.trace.api.config.ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_JVMTI;
-import static datadog.trace.api.config.ProfilingConfig.PROFILING_DATADOG_PROFILER_WALL_JVMTI_DEFAULT;
 import static datadog.trace.api.config.ProfilingConfig.PROFILING_HEAP_TRACK_GENERATIONS;
 import static datadog.trace.api.config.ProfilingConfig.PROFILING_HEAP_TRACK_GENERATIONS_DEFAULT;
 import static datadog.trace.api.config.ProfilingConfig.PROFILING_QUEUEING_TIME_ENABLED;
@@ -440,13 +438,6 @@ public static long getLong(ConfigProvider configProvider, String key) {
     return configProvider.getLong(key, configProvider.getLong(normalizeKey(key), -1));
   }
 
-  public static boolean useJvmtiWallclockSampler(ConfigProvider configProvider) {
-    return getBoolean(
-        configProvider,
-        PROFILING_DATADOG_PROFILER_WALL_JVMTI,
-        PROFILING_DATADOG_PROFILER_WALL_JVMTI_DEFAULT);
-  }
-
   private static String normalizeKey(String key) {
     return key.replace(".ddprof.", ".async.");
   }

dd-trace-api/src/main/java/datadog/trace/api/config/ProfilingConfig.java

@@ -119,10 +119,6 @@ public final class ProfilingConfig {
       "profiling.ddprof.wall.context.filter";
   public static final boolean PROFILING_DATADOG_PROFILER_WALL_CONTEXT_FILTER_DEFAULT = true;
 
-  public static final String PROFILING_DATADOG_PROFILER_WALL_JVMTI =
-      "profiling.experimental.ddprof.wall.jvmti";
-  public static final boolean PROFILING_DATADOG_PROFILER_WALL_JVMTI_DEFAULT = false;
-
   public static final String PROFILING_DATADOG_PROFILER_SCHEDULING_EVENT =
       "profiling.experimental.ddprof.scheduling.event";