l7 classify numa and process memory syscalls

3 files changed, 69 insertions, 0 deletions

diff --git a/internal/generate/classify.go b/internal/generate/classify.go
index 191b41e..3fa8d23 100644
--- a/internal/generate/classify.go
+++ b/internal/generate/classify.go
@@ -376,6 +376,30 @@ func classifyNameOnly(name string) (ClassificationResult, bool) {
 		return ClassificationResult{Kind: KindSysVOp}, true
 	case "sys_enter_shmctl":
 		return ClassificationResult{Kind: KindSysVOp}, true
+	case "sys_enter_pkey_alloc":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_pkey_free":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_mbind":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_set_mempolicy":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_get_mempolicy":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_set_mempolicy_home_node":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_migrate_pages":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_move_pages":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_mlockall":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_munlockall":
+		return ClassificationResult{Kind: KindNull}, true
+	case "sys_enter_process_madvise":
+		return ClassificationResult{Kind: KindFd}, true
+	case "sys_enter_process_mrelease":
+		return ClassificationResult{Kind: KindFd}, true
 	case "sys_enter_clone":
 		return ClassificationResult{Kind: KindProc}, true
 	case "sys_enter_clone3":
diff --git a/internal/generate/classify_test.go b/internal/generate/classify_test.go
index bbf33d6..07445ec 100644
--- a/internal/generate/classify_test.go
+++ b/internal/generate/classify_test.go
@@ -745,6 +745,41 @@ func TestClassifyH7NameOnlyKinds(t *testing.T) {
 	}
 }
 
+func TestClassifyL7NameOnlyKinds(t *testing.T) {
+	tests := []struct {
+		name string
+		want TracepointKind
+	}{
+		{"sys_enter_pkey_alloc", KindNull},
+		{"sys_enter_pkey_free", KindNull},
+		{"sys_enter_mbind", KindNull},
+		{"sys_enter_set_mempolicy", KindNull},
+		{"sys_enter_get_mempolicy", KindNull},
+		{"sys_enter_set_mempolicy_home_node", KindNull},
+		{"sys_enter_migrate_pages", KindNull},
+		{"sys_enter_move_pages", KindNull},
+		{"sys_enter_mlockall", KindNull},
+		{"sys_enter_munlockall", KindNull},
+		{"sys_enter_process_madvise", KindFd},
+		{"sys_enter_process_mrelease", KindFd},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := ClassifyFormat(&Format{
+				Name: tt.name,
+				ExternalFields: []Field{
+					{Type: "long", Name: "__syscall_nr"},
+					{Type: "long", Name: "arg0"},
+				},
+			})
+			if r.Kind != tt.want {
+				t.Fatalf("%s: got kind %d, want %d", tt.name, r.Kind, tt.want)
+			}
+		})
+	}
+}
+
 func TestClassify67NameOnlyKinds(t *testing.T) {
 	tests := []struct {
 		name string
diff --git a/internal/generate/codegen_test.go b/internal/generate/codegen_test.go
index 7614ab1..220d77e 100644
--- a/internal/generate/codegen_test.go
+++ b/internal/generate/codegen_test.go
@@ -33,6 +33,16 @@ func TestGeneratePidfdGetfdHandlerUsesPidfdArgument(t *testing.T) {
 	requireContains(t, output, "ev->fd = (__s32)ctx->args[0];")
 }
 
+func TestGenerateProcessMadviseHandlerUsesFirstArgumentAsFd(t *testing.T) {
+	output := GenerateTracepointsC(mustParseAll(t, syntheticPair("process_madvise")))
+
+	requireContains(t, output, `SEC("tracepoint/syscalls/sys_enter_process_madvise")`)
+	requireContains(t, output, "struct fd_event *ev")
+	requireContains(t, output, "ev->event_type = ENTER_FD_EVENT;")
+	requireContains(t, output, "ev->trace_id = SYS_ENTER_PROCESS_MADVISE;")
+	requireContains(t, output, "ev->fd = (__s32)ctx->args[0];")
+}
+
 func TestGenerateOpenHandler(t *testing.T) {
 	output := generateFromPair(t, FormatOpenat, FormatExitOpenat)