Add a benchmark for using stdio to read a file in /proc.
Change-Id: I12517aae19e36b7c022a11e8807aece61bb0cb9c
diff --git a/benchmarks/stdio_benchmark.cpp b/benchmarks/stdio_benchmark.cpp
index 386ea04..fe25d76 100644
--- a/benchmarks/stdio_benchmark.cpp
+++ b/benchmarks/stdio_benchmark.cpp
@@ -65,3 +65,13 @@
ReadWriteTest(iters, chunk_size, fwrite, false);
}
BENCHMARK(BM_stdio_fwrite_unbuffered)->AT_COMMON_SIZES;
+
+static void BM_stdio_fopen_fgets_fclose(int iters) {
+ char buf[1024];
+ for (int i = 0; i < iters; ++i) {
+ FILE* fp = fopen("/proc/version", "re");
+ fgets(buf, sizeof(buf), fp);
+ fclose(fp);
+ }
+}
+BENCHMARK(BM_stdio_fopen_fgets_fclose);
