#include <vnet/vnet.h>
#include <vppinfra/linux/sysfs.h>
+#include <vppinfra/bitmap.h>
+#include <vppinfra/unix.h>
#include <perfmon/perfmon.h>
#include <perfmon/intel/core.h>
#include <perfmon/intel/uncore.h>
u32 i, j;
u8 *s = 0;
- if ((err = clib_sysfs_read ("/sys/devices/system/node/online", "%U",
- unformat_bitmap_list, &node_bitmap)))
- {
- clib_error_free (err);
- return clib_error_return (0, "failed to discover numa topology");
- }
+ node_bitmap = os_get_online_cpu_node_bitmap ();
+ if (!node_bitmap)
+ return clib_error_return (0, "failed to discover numa topology");
clib_bitmap_foreach (i, node_bitmap)
{