From b2128904e2e25c5473de89d8bce5039adfab318d Mon Sep 17 00:00:00 2001
From: Bjoern Rabenstein <beorn@soundcloud.com>
Date: Tue, 27 Jan 2015 17:16:23 +0100
Subject: [PATCH] Add BenchmarkProcessor002ParseOnly, to get at least a hint of
 the JSON speed.

---
 .../fixtures/test0_0_1-0_0_2-large.json       | 1032 +++++++++++++++++
 extraction/processor0_0_2_test.go             |   24 +
 text/bench_test.go                            |    5 +-
 3 files changed, 1060 insertions(+), 1 deletion(-)
 create mode 100644 extraction/fixtures/test0_0_1-0_0_2-large.json

diff --git a/extraction/fixtures/test0_0_1-0_0_2-large.json b/extraction/fixtures/test0_0_1-0_0_2-large.json
new file mode 100644
index 0000000..7168338
--- /dev/null
+++ b/extraction/fixtures/test0_0_1-0_0_2-large.json
@@ -0,0 +1,1032 @@
+[
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+      "job": "batch_job"
+    },
+    "docstring": "Total count of RPC calls.",
+    "metric": {
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+      "value": [
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+            "service": "foo"
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+        {
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+            "foo": "baz",
+            "service": "foo"
+          },
+          "value": 25
+        }
+      ]
+    }
+  },
+  {
+    "baseLabels": {
+      "__name__": "rpc_latency_microseconds_0"
+    },
+    "docstring": "RPC latency summary.",
+    "metric": {
+      "type": "histogram",
+      "value": [
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+          "value": {
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+            "0.050000": 78.48563317257356,
+            "0.500000": 97.31798360385088,
+            "0.900000": 109.89202084295582,
+            "0.990000": 109.99626121011262
+          }
+        },
+        {
+          "labels": {
+            "foo": "baz",
+            "service": "bar"
+          },
+          "value": {
+            "0.010000": 78.48563317257356,
+            "0.050000": 78.48563317257356,
+            "0.500000": 97.31798360385088,
+            "0.900000": 109.89202084295582,
+            "0.990000": 109.99626121011262
+          }
+        }
+      ]
+    }
+  },
+  {
+    "baseLabels": {
+      "__name__": "rpc_calls_total_8",
+      "job": "batch_job"
+    },
+    "docstring": "Total count of RPC calls.",
+    "metric": {
+      "type": "counter",
+      "value": [
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "zed"
+          },
+          "value": 25
+        },
+        {
+          "labels": {
+            "foo": "baz",
+            "service": "bar"
+          },
+          "value": 25
+        },
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "foo"
+          },
+          "value": 25
+        },
+        {
+          "labels": {
+            "foo": "baz",
+            "service": "foo"
+          },
+          "value": 25
+        }
+      ]
+    }
+  },
+  {
+    "baseLabels": {
+      "__name__": "rpc_latency_microseconds_8"
+    },
+    "docstring": "RPC latency summary.",
+    "metric": {
+      "type": "histogram",
+      "value": [
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "foo"
+          },
+          "value": {
+            "0.010000": 15.890724674774395,
+            "0.050000": 15.890724674774395,
+            "0.500000": 84.63044031436561,
+            "0.900000": 160.21100853053224,
+            "0.990000": 172.49828748957728
+          }
+        },
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "zed"
+          },
+          "value": {
+            "0.010000": 0.0459814091918713,
+            "0.050000": 0.0459814091918713,
+            "0.500000": 0.6120456642749681,
+            "0.900000": 1.355915069887731,
+            "0.990000": 1.772733213161236
+          }
+        },
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "bar"
+          },
+          "value": {
+            "0.010000": 78.48563317257356,
+            "0.050000": 78.48563317257356,
+            "0.500000": 97.31798360385088,
+            "0.900000": 109.89202084295582,
+            "0.990000": 109.99626121011262
+          }
+        },
+        {
+          "labels": {
+            "foo": "baz",
+            "service": "bar"
+          },
+          "value": {
+            "0.010000": 78.48563317257356,
+            "0.050000": 78.48563317257356,
+            "0.500000": 97.31798360385088,
+            "0.900000": 109.89202084295582,
+            "0.990000": 109.99626121011262
+          }
+        }
+      ]
+    }
+  },
+  {
+    "baseLabels": {
+      "__name__": "rpc_calls_total_9",
+      "job": "batch_job"
+    },
+    "docstring": "Total count of RPC calls.",
+    "metric": {
+      "type": "counter",
+      "value": [
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "zed"
+          },
+          "value": 25
+        },
+        {
+          "labels": {
+            "foo": "baz",
+            "service": "bar"
+          },
+          "value": 25
+        },
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "foo"
+          },
+          "value": 25
+        },
+        {
+          "labels": {
+            "foo": "baz",
+            "service": "foo"
+          },
+          "value": 25
+        }
+      ]
+    }
+  },
+  {
+    "baseLabels": {
+      "__name__": "rpc_latency_microseconds_9"
+    },
+    "docstring": "RPC latency summary.",
+    "metric": {
+      "type": "histogram",
+      "value": [
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "foo"
+          },
+          "value": {
+            "0.010000": 15.890724674774395,
+            "0.050000": 15.890724674774395,
+            "0.500000": 84.63044031436561,
+            "0.900000": 160.21100853053224,
+            "0.990000": 172.49828748957728
+          }
+        },
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "zed"
+          },
+          "value": {
+            "0.010000": 0.0459814091918713,
+            "0.050000": 0.0459814091918713,
+            "0.500000": 0.6120456642749681,
+            "0.900000": 1.355915069887731,
+            "0.990000": 1.772733213161236
+          }
+        },
+        {
+          "labels": {
+            "foo": "bar",
+            "service": "bar"
+          },
+          "value": {
+            "0.010000": 78.48563317257356,
+            "0.050000": 78.48563317257356,
+            "0.500000": 97.31798360385088,
+            "0.900000": 109.89202084295582,
+            "0.990000": 109.99626121011262
+          }
+        },
+        {
+          "labels": {
+            "foo": "baz",
+            "service": "bar"
+          },
+          "value": {
+            "0.010000": 78.48563317257356,
+            "0.050000": 78.48563317257356,
+            "0.500000": 97.31798360385088,
+            "0.900000": 109.89202084295582,
+            "0.990000": 109.99626121011262
+          }
+        }
+      ]
+    }
+  }
+]
diff --git a/extraction/processor0_0_2_test.go b/extraction/processor0_0_2_test.go
index 6a7d458..6ef8fb3 100644
--- a/extraction/processor0_0_2_test.go
+++ b/extraction/processor0_0_2_test.go
@@ -14,7 +14,9 @@
 package extraction
 
 import (
+	"bytes"
 	"errors"
+	"io/ioutil"
 	"os"
 	"path"
 	"runtime"
@@ -200,3 +202,25 @@ func BenchmarkProcessor002Process(b *testing.B) {
 
 	b.Logf("Allocated %d at %f per cycle with %d cycles.", allocated, float64(allocated)/float64(b.N), b.N)
 }
+
+func BenchmarkProcessor002ParseOnly(b *testing.B) {
+	b.StopTimer()
+	data, err := ioutil.ReadFile("fixtures/test0_0_1-0_0_2-large.json")
+	if err != nil {
+		b.Fatal(err)
+	}
+	ing := fakeIngester{}
+	b.StartTimer()
+
+	for i := 0; i < b.N; i++ {
+		if err := Processor002.ProcessSingle(bytes.NewReader(data), ing, &ProcessOptions{}); err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+type fakeIngester struct{}
+
+func (i fakeIngester) Ingest(model.Samples) error {
+	return nil
+}
diff --git a/text/bench_test.go b/text/bench_test.go
index 806551e..e343bff 100644
--- a/text/bench_test.go
+++ b/text/bench_test.go
@@ -19,7 +19,6 @@ import (
 	"io"
 	"io/ioutil"
 	"testing"
-
 	dto "github.com/prometheus/client_model/go"
 
 	"github.com/matttproud/golang_protobuf_extensions/ext"
@@ -40,6 +39,10 @@ import (
 // the difference becomes less relevant, only ~4x.
 //
 // The test data contains 248 samples.
+//
+// BenchmarkProcessor002ParseOnly in the extraction package is not quite
+// comparable to the benchmarks here, but it gives an idea: JSON parsing is even
+// slower than text parsing and needs a comparable amount of allocs.
 
 // BenchmarkParseText benchmarks the parsing of a text-format scrape into metric
 // family DTOs.