Adjust number of iters for instrumentation run when sampling with perf

Author: David Hua

sdk/mx.sdk/mx_sdk_benchmark.py

@@ -287,6 +287,27 @@ def run_launcher(self, cmd, args, cwd):
         return code, out, dims
 
 
+# The uncompressed file from perf script is ~25x bigger than the compressed file
+ADJUSTED_ITERS_FOR_PERF = {
+    "renaissance": {
+        "finagle-chirper": 10, # Default: 90 iters, 7GB compressed perf file
+        "fj-kmeans": 15, # Default: 30 iters, 520MB compressed perf file
+        "scala-stm-bench7": 20, # Default: 60 iters, 840MB compressed perf file
+        "philosophers": 10, # Default: 30 iters, 900MB compressed perf file
+        "akka-uct": 5, # Default: 24 iters, 2GB compressed perf file
+        "finagle-http": 5 # Default: 12 iters, 1.3GB compressed perf file
+    },
+    "dacapo": {
+        "sunflow": 15 # Default: 49 iters, 1.2GB compressed perf file
+    }
+}
+
+NUM_ITERS_FLAG_NAME = {
+    "renaissance": "-r",
+    "dacapo": "-n"
+}
+
+
 class NativeImageBenchmarkConfig:
     def __init__(self, vm: NativeImageVM, bm_suite: BenchmarkSuite | NativeImageBenchmarkMixin, args):
         self.bm_suite = bm_suite
@@ -308,6 +329,11 @@ def __init__(self, vm: NativeImageVM, bm_suite: BenchmarkSuite | NativeImageBenc
                                                                      not (vm.safepoint_sampler or vm.pgo_sampler_only or vm.pgo_use_perf))
         self.extra_agent_profile_run_args = bm_suite.extra_agent_profile_run_arg(self.benchmark_name, args,
                                                                                  list(image_run_args))
+        if vm.pgo_use_perf and self.benchmark_suite_name in ADJUSTED_ITERS_FOR_PERF and self.benchmark_name in ADJUSTED_ITERS_FOR_PERF[self.benchmark_suite_name]:
+            # For some benches the number of iters in the instrument-run stage is too much for perf, the generated files are too large.
+            desired_iters = ADJUSTED_ITERS_FOR_PERF[self.benchmark_suite_name][self.benchmark_name]
+            mx.log(f"Adjusting number of iters for instrument-run stage to {desired_iters}")
+            self.extra_profile_run_args = adjust_arg_with_number(NUM_ITERS_FLAG_NAME[self.benchmark_suite_name], desired_iters, self.extra_profile_run_args)
         self.params = ['extra-image-build-argument', 'extra-jvm-arg', 'extra-run-arg', 'extra-agent-run-arg',
                        'extra-profile-run-arg',
                        'extra-agent-profile-run-arg', 'benchmark-output-dir', 'stages', 'skip-agent-assertions']
@@ -1560,7 +1586,7 @@ def run_stage_instrument_run(self):
         image_run_cmd += self.config.extra_jvm_args
         image_run_cmd += self.config.extra_profile_run_args
         if self.pgo_use_perf:
-            image_run_cmd = ['perf', 'record', '-o', f'{self.config.perf_data_path}', '--call-graph', 'fp,2048', '--freq=999'] + image_run_cmd
+            image_run_cmd = ['perf', 'record', '-o', f'{self.config.perf_data_path}', '--call-graph', 'fp', '--freq=999'] + image_run_cmd
 
         with self.get_stage_runner() as s:
             if self.pgo_use_perf:
@@ -3733,6 +3759,15 @@ def _strip_arg_with_number_gen(_strip_arg, _args):
         result = _strip_arg_with_number_gen(strip_arg, result)
     return list(result)
 
+def adjust_arg_with_number(arg_name, new_value: int, user_args):
+    """
+    Sets the argument value of `arg_name` in `user_args` with `new_value`.
+    If `arg_name` is already present in `user_args`, the value will be replaced.
+    If `arg_name` is not already present, the argument and corresponding value will be added.
+    """
+
+    return [arg_name, str(new_value)] + strip_args_with_number(arg_name, user_args)
+
 class PerfInvokeProfileCollectionStrategy(Enum):
     """
     The strategy for extracting virtual invoke method profiles from perf sampling data.

substratevm/mx.substratevm/mx_substratevm_benchmark.py

@@ -215,13 +215,13 @@ def renaissance_additional_lib(self, lib):
     def extra_agent_run_arg(self, benchmark, args, image_run_args):
         user_args = super(RenaissanceNativeImageBenchmarkSuite, self).extra_agent_run_arg(benchmark, args, image_run_args)
         # remove -r X argument from image run args
-        return ['-r', '1'] + mx_sdk_benchmark.strip_args_with_number('-r', user_args)
+        return mx_sdk_benchmark.adjust_arg_with_number('-r', 1, user_args)
 
     def extra_profile_run_arg(self, benchmark, args, image_run_args, should_strip_run_args):
         user_args = super(RenaissanceNativeImageBenchmarkSuite, self).extra_profile_run_arg(benchmark, args, image_run_args, should_strip_run_args)
         # remove -r X argument from image run args
         if should_strip_run_args:
-            extra_profile_run_args = ['-r', '1'] + mx_sdk_benchmark.strip_args_with_number('-r', user_args)
+            extra_profile_run_args = mx_sdk_benchmark.adjust_arg_with_number('-r', 1, user_args)
         else:
             extra_profile_run_args = user_args
 
@@ -1185,7 +1185,7 @@ def run(self, benchmarks, bmSuiteArgs) -> mx_benchmark.DataPoints:
     def extra_agent_run_arg(self, benchmark, args, image_run_args):
         user_args = super(DaCapoNativeImageBenchmarkSuite, self).extra_agent_run_arg(benchmark, args, image_run_args)
         # remove -n X argument from image run args
-        return ['-n', '1'] + mx_sdk_benchmark.strip_args_with_number('-n', user_args)
+        return mx_sdk_benchmark.adjust_arg_with_number('-n', 1, user_args)
 
     def extra_profile_run_arg(self, benchmark, args, image_run_args, should_strip_run_args):
         self.fixDataLocation()
@@ -1197,7 +1197,7 @@ def extra_profile_run_arg(self, benchmark, args, image_run_args, should_strip_ru
 
         # remove -n X argument from image run args
         if should_strip_run_args:
-            return ['-n', '1'] + mx_sdk_benchmark.strip_args_with_number('-n', user_args)
+            return mx_sdk_benchmark.adjust_arg_with_number('-n', 1, user_args)
         else:
             return user_args
 
@@ -1342,13 +1342,13 @@ def run(self, benchmarks, bmSuiteArgs) -> mx_benchmark.DataPoints:
     def extra_agent_run_arg(self, benchmark, args, image_run_args):
         user_args = super(ScalaDaCapoNativeImageBenchmarkSuite, self).extra_agent_run_arg(benchmark, args, image_run_args)
         # remove -n X argument from image run args
-        return mx_sdk_benchmark.strip_args_with_number('-n', user_args) + ['-n', '1']
+        return mx_sdk_benchmark.adjust_arg_with_number('-n', 1, user_args)
 
     def extra_profile_run_arg(self, benchmark, args, image_run_args, should_strip_run_args):
         user_args = super(ScalaDaCapoNativeImageBenchmarkSuite, self).extra_profile_run_arg(benchmark, args, image_run_args, should_strip_run_args)
         # remove -n X argument from image run args if the flag is true.
         if should_strip_run_args:
-            return mx_sdk_benchmark.strip_args_with_number('-n', user_args) + ['-n', '1']
+            return mx_sdk_benchmark.adjust_arg_with_number('-n', 1, user_args)
         else:
             return user_args
 

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/nodes/SubstrateMethodCallTargetNode.java

@@ -43,6 +43,14 @@
 public final class SubstrateMethodCallTargetNode extends MethodCallTargetNode {
     public static final NodeClass<SubstrateMethodCallTargetNode> TYPE = NodeClass.create(SubstrateMethodCallTargetNode.class);
 
+    /**
+     * Method profile inferred from a static type profile.
+     */
+    private JavaMethodProfile staticMethodProfile;
+    /**
+     * Either the static method profile, or a dynamic method profile inferred from, for example,
+     * sampling data.
+     */
     private JavaMethodProfile methodProfile;
 
     /*
@@ -59,27 +67,68 @@ public SubstrateMethodCallTargetNode(InvokeKind invokeKind, ResolvedJavaMethod t
         super(TYPE, invokeKind, targetMethod, arguments, returnStamp, typeProfile);
     }
 
-    public void setProfiles(JavaTypeProfile typeProfile, JavaMethodProfile methodProfile) {
-        this.typeProfile = typeProfile;
-        this.methodProfile = methodProfile;
-        this.staticTypeProfile = typeProfile;
+    public void setProfiles(JavaTypeProfile dynamicTypeProfile, JavaTypeProfile staticTypeProfile, JavaMethodProfile dynamicMethodProfile, JavaMethodProfile staticMethodProfile) {
+        this.typeProfile = dynamicTypeProfile;
+        this.methodProfile = dynamicMethodProfile;
+        this.staticTypeProfile = staticTypeProfile;
+        this.staticMethodProfile = staticMethodProfile;
     }
 
-    public void setProfiles(JavaTypeProfile typeProfile, JavaMethodProfile methodProfile, JavaTypeProfile staticTypeProfile) {
+    public void setDynamicProfiles(JavaTypeProfile typeProfile, JavaMethodProfile methodProfile) {
         this.typeProfile = typeProfile;
         this.methodProfile = methodProfile;
-        this.staticTypeProfile = staticTypeProfile;
     }
 
+    /**
+     * Returns a dynamic method profile if one exists. Otherwise, returns a static method profile if
+     * one exists. If neither exist, returns null.
+     */
     public JavaMethodProfile getMethodProfile() {
         return methodProfile;
     }
 
+    /**
+     * Returns a static type profile if one exists. Otherwise, returns null.
+     */
     public JavaTypeProfile getStaticTypeProfile() {
         return staticTypeProfile;
     }
 
+    /**
+     * Returns a static method profile if one exists. Otherwise, returns null.
+     */
+    public JavaMethodProfile getStaticMethodProfile() {
+        return staticMethodProfile;
+    }
+
+    /**
+     * Set a dynamic method profile.
+     */
     public void setJavaMethodProfile(JavaMethodProfile profile) {
         methodProfile = profile;
     }
+
+    /**
+     * Returns true iff {@code this} has a dynamic type profile. A dynamic type profile can be
+     * gathered by, for example, instrumentation. A static type profile (as produced by the static
+     * analysis) does not count as a dynamic profile.
+     */
+    public boolean hasDynamicTypeProfile() {
+        if (typeProfile == null) {
+            return false;
+        }
+        return !typeProfile.equals(staticTypeProfile);
+    }
+
+    /**
+     * Returns true iff {@code this} has a dynamic method profile. A dynamic method profile can be
+     * gathered by, for example, instrumentation or perf samples. A static method profile (as
+     * produced by the static analysis) does not count as a dynamic profile.
+     */
+    public boolean hasDynamicMethodProfile() {
+        if (methodProfile == null) {
+            return false;
+        }
+        return !methodProfile.equals(staticMethodProfile);
+    }
 }

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/SubstrateStrengthenGraphs.java

@@ -44,9 +44,8 @@
 import com.oracle.svm.hosted.code.SubstrateCompilationDirectives;
 import com.oracle.svm.hosted.imagelayer.HostedImageLayerBuildingSupport;
 import com.oracle.svm.hosted.meta.HostedType;
-
-import com.oracle.svm.hosted.phases.DynamicAccessDetectionPhase;
 import com.oracle.svm.hosted.phases.AnalyzeJavaHomeAccessPhase;
+import com.oracle.svm.hosted.phases.DynamicAccessDetectionPhase;
 
 import jdk.graal.compiler.graph.Node;
 import jdk.graal.compiler.nodes.ConstantNode;
@@ -149,13 +148,14 @@ protected FixedNode createUnreachable(StructuredGraph graph, CoreProviders provi
     @Override
     protected void setInvokeProfiles(Invoke invoke, JavaTypeProfile typeProfile, JavaMethodProfile methodProfile) {
         if (needsProfiles(invoke.asNode().graph())) {
-            ((SubstrateMethodCallTargetNode) invoke.callTarget()).setProfiles(typeProfile, methodProfile);
+            ((SubstrateMethodCallTargetNode) invoke.callTarget()).setProfiles(typeProfile, typeProfile, methodProfile, methodProfile);
         }
     }
 
-    protected void setInvokeProfiles(Invoke invoke, JavaTypeProfile typeProfile, JavaMethodProfile methodProfile, JavaTypeProfile staticTypeProfile) {
+    protected void setInvokeProfiles(Invoke invoke, JavaTypeProfile typeProfile, JavaMethodProfile methodProfile, JavaTypeProfile staticTypeProfile, JavaMethodProfile staticMethodProfile) {
         if (needsProfiles(invoke.asNode().graph())) {
-            ((SubstrateMethodCallTargetNode) invoke.callTarget()).setProfiles(typeProfile, methodProfile, staticTypeProfile);
+            SubstrateMethodCallTargetNode substrateCallTarget = (SubstrateMethodCallTargetNode) invoke.callTarget();
+            substrateCallTarget.setProfiles(typeProfile, staticTypeProfile, methodProfile, staticMethodProfile);
         }
     }