xnu-2782.1.97.tar.gz

[apple/xnu.git] / tools / tests / perf_index / stress_file_read.c

diff --git a/tools/tests/perf_index/stress_file_read.c b/tools/tests/perf_index/stress_file_read.c
deleted file mode 100644 (file)
index 29096db..0000000
--- a/tools/tests/perf_index/stress_file_read.c
+++ /dev/null
@@ -1,66 +0,0 @@
-#include <fcntl.h>
-#include "perf_index.h"
-#include <errno.h>
-
-#define MAXFILESIZE 8589934592L
-#define MIN(a,b) ((a)<(b) ? (a) : (b))
-
-static char readbuff[4096];
-
-void stress_file_read_init(const char *fs_path, int num_threads, long long length, long long max_file_size) {
-  int fd;
-  char filepath[MAXPATHLEN];
-  long long left;
-  size_t writelen;
-
-  if(max_file_size == 0)
-    max_file_size = MAXFILESIZE;
-
-  left = MIN(length, max_file_size/num_threads);
-
-  snprintf(filepath, sizeof(filepath), "%s/file_read", fs_path);
-  fd = open(filepath, O_CREAT | O_EXCL | O_WRONLY, 0644);
-  assert(fd > 0);
-  bzero(readbuff, sizeof(readbuff));
-
-  while(left > 0) {
-    writelen = sizeof(readbuff) < left ? sizeof(readbuff) : left;
-    assert(write(fd, readbuff, writelen) == writelen);
-    left -= writelen;
-  }
-}
-
-void stress_file_read(const char *fs_path, int thread_id, int num_threads, long long length, long long max_file_size) {
-  long long left;
-  size_t file_offset = 0;
-  int readlen;
-  int fd;
-  char filepath[MAXPATHLEN];
-  long long filesize;
-
-
-  if(max_file_size == 0)
-    max_file_size = MAXFILESIZE;
-  filesize =  MIN(length, max_file_size/num_threads);
-
-  snprintf(filepath, sizeof(filepath), "%s/file_read", fs_path);
-  fd = open(filepath, O_RDONLY);
-  assert(fd > 0);
-  for(left=length; left>0;) {
-    readlen = sizeof(readbuff) < left ? sizeof(readbuff) : left;
-    if(file_offset+readlen > filesize) {
-      lseek(fd, 0, SEEK_SET);
-      file_offset = 0;
-      continue;
-    }
-    assert(read(fd, readbuff, readlen) == readlen);
-    left -= readlen;
-    file_offset += readlen;
-  }
-}
-
-void stress_file_read_cleanup(const char *fs_path, int num_threads, long long length) {
-  char filepath[MAXPATHLEN];
-  snprintf(filepath, sizeof(filepath), "%s/file_read", fs_path);
-  assert(unlink(filepath)>=0);
-}