1diff --git a/bench/ResultsWriter.h b/bench/ResultsWriter.h
2index f56deae..69a84c7 100644
3--- a/bench/ResultsWriter.h
4+++ b/bench/ResultsWriter.h
5@@ -46,6 +46,9 @@ public:
6     // Record a single test metric.
7     virtual void metric(const char name[], double ms) {}
8 
9+    // Record a list of test metrics.
10+    virtual void metrics(const char name[], const SkTArray<double> &array) {}
11+
12     // Flush to storage now please.
13     virtual void flush() {}
14 };
15@@ -113,6 +116,17 @@ public:
16         SkASSERT(fConfig);
17         (*fConfig)[name] = ms;
18     }
19+    void metrics(const char name[], const SkTArray<double> &array) override {
20+        // The user who wrote this feature prefers NaNs over not having results.
21+        // Hence, this ignores whether we have NaNs.
22+        SkASSERT(fConfig);
23+        Json::Value value = Json::Value(Json::arrayValue);
24+        value.resize(array.count());
25+        for (unsigned i = 0, e = array.count(); i != e; ++i) {
26+          value[i] = array[i];
27+        }
28+        (*fConfig)[name] = value;
29+    }
30 
31     // Flush to storage now please.
32     void flush() override {
33diff --git a/bench/nanobench.cpp b/bench/nanobench.cpp
34index 0651302..0623d61 100644
35--- a/bench/nanobench.cpp
36+++ b/bench/nanobench.cpp
37@@ -43,6 +43,7 @@
38 #include "SkSVGDOM.h"
39 #include "SkTaskGroup.h"
40 #include "SkThreadUtils.h"
41+#include "SkTypes.h"
42 #include "ThermalManager.h"
43 #include "SkScan.h"
44 
45@@ -1240,7 +1241,7 @@ int nanobench_main() {
46             target->setup();
47             bench->perCanvasPreDraw(canvas);
48 
49-            int maxFrameLag;
50+            int maxFrameLag = 0;
51             int loops = target->needsFrameTiming(&maxFrameLag)
52                 ? setup_gpu_bench(target, bench.get(), maxFrameLag)
53                 : setup_cpu_bench(overhead, target, bench.get());
54@@ -1290,6 +1291,7 @@ int nanobench_main() {
55             benchStream.fillCurrentOptions(log.get());
56             target->fillOptions(log.get());
57             log->metric("min_ms",    stats.min);
58+            log->metrics("samples",  samples);
59 #if SK_SUPPORT_GPU
60             if (gpuStatsDump) {
61                 // dump to json, only SKPBench currently returns valid keys / values
62