1 files changed, 28 insertions, 0 deletions
diff --git a/src/diskinfo.c b/src/diskinfo.c
new file mode 100644
index 0000000..815f7df
--- /dev/null
+++ b/src/diskinfo.c
@@ -0,0 +1,28 @@
+#include "diskinfo.h"
+
+int disk_io_kb(char* disk,
+    unsigned long long* read,
+    unsigned long long* write) {
+  char syspath[512] = {'\0'};
+  unsigned long long stats[8] = {-1};
+  FILE* fd = NULL;
+
+  sprintf(syspath, "/sys/block/%s/stat", disk);
+
+  fd = fopen(syspath, "r");
+  if(!fd)
+    return -1;
+
+  // read io   read merge   read sectors   read ticks
+  // write io  write merge  write sectors  write ticks
+  fscanf(fd, "%lld %lld %lld %lld %lld %lld %lld %lld ",
+    &stats[0], &stats[1], &stats[2], &stats[3],
+    &stats[4], &stats[5], &stats[6], &stats[7]);
+
+  fclose(fd);
+
+  *read = stats[2] / 2;
+  *write = stats[6] / 2;
+
+  return 1;
+}