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Add a benchmark for using stdio to read a file in /proc.

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Change-Id: I12517aae19e36b7c022a11e8807aece61bb0cb9c
This commit is contained in:
Elliott Hughes 2015-01-16 17:08:31 -08:00
parent 481cf21e08
commit 1cf32f83d3
1 changed files with 10 additions and 0 deletions
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10
benchmarks/stdio_benchmark.cpp
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@ -65,3 +65,13 @@ static void BM_stdio_fwrite_unbuffered(int iters, int chunk_size) {
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);