vppinfra: os agnostic api for getting CPU information
Avoid direct sysfs reads when possible...
Type: improvement
Change-Id: I2b84cd18f3da47925d068951f24b79b5b6e20bb1
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vppinfra/linux/sysfs.c b/src/vppinfra/linux/sysfs.c
index 6d9f859..61ee637 100644
--- a/src/vppinfra/linux/sysfs.c
+++ b/src/vppinfra/linux/sysfs.c
@@ -237,13 +237,21 @@
return clib_sysfs_set_nr_hugepages (numa_node, log2_page_size, n + needed);
}
-__clib_export uword *
-clib_sysfs_list_to_bitmap (char *filename)
+__clib_export clib_bitmap_t *
+clib_sysfs_read_bitmap (char *fmt, ...)
{
FILE *fp;
uword *r = 0;
+ va_list va;
+ u8 *filename;
- fp = fopen (filename, "r");
+ va_start (va, fmt);
+ filename = va_format (0, fmt, &va);
+ va_end (va);
+ vec_add1 (filename, 0);
+
+ fp = fopen ((char *) filename, "r");
+ vec_free (filename);
if (fp != NULL)
{