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-rw-r--r--src/user/app/iostress/iostress.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/src/user/app/iostress/iostress.c b/src/user/app/iostress/iostress.c
deleted file mode 100644
index ac555de..0000000
--- a/src/user/app/iostress/iostress.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#include <camellia/syscalls.h>
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <x86intrin.h>
-
-int main(int argc, char **argv) {
- long num_runs = 4;
- long num_calls = 512;
- long num_bytes = 1;
- uint64_t *results;
- char *inbuf;
-
- if (argc > 1) num_runs = strtol(argv[1], NULL, 0);
- if (argc > 2) num_calls = strtol(argv[2], NULL, 0);
- if (argc > 3) num_bytes = strtol(argv[3], NULL, 0);
- if (argc > 4 || num_runs == 0 || num_calls == 0) {
- fprintf(stderr, "usage: %s [num_runs] [num_calls] [num_bytes]\n", argv[0]);
- return 1;
- }
-
- results = malloc(sizeof(*results) * num_runs);
- inbuf = malloc(num_bytes);
- memset(inbuf, '.', num_bytes);
-
- for (long i = 0; i < num_runs; i++) {
- uint64_t time = __rdtsc();
- for (long j = 0; j < num_calls; j++)
- _sys_write(1, inbuf, num_bytes, -1, 0);
- results[i] = __rdtsc() - time;
- _sys_write(1, "\n", 1, -1, 0);
- }
-
- uint64_t total = 0;
- for (long i = 0; i < num_runs; i++) {
- uint64_t scaled = results[i] / 3000;
- total += scaled;
- fprintf(stderr, "run %ld: %lu\n", i, scaled);
- }
- fprintf(stderr, "%lu calls, %lu bytes. avg %lu\n", num_calls, num_bytes, total / num_runs);
-
- return 0;
-}