From 4b6614030f384f7c8d847360cacf5c7f7560c6be Mon Sep 17 00:00:00 2001
From: Damjan Marion <damarion@cisco.com>
Date: Thu, 29 Feb 2024 16:14:27 +0100
Subject: vppinfra: add os_get_online_cpu_core() and os_get_online_cpu_node()

Type: improvement
Change-Id: I6f99f09c7724ce656a4f41a1d5f9c88d74c00faf
Signed-off-by: Damjan Marion <damarion@cisco.com>
---
 src/plugins/perfmon/intel/uncore.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

(limited to 'src/plugins/perfmon')

diff --git a/src/plugins/perfmon/intel/uncore.c b/src/plugins/perfmon/intel/uncore.c
index a709a8d40be..316ebb13571 100644
--- a/src/plugins/perfmon/intel/uncore.c
+++ b/src/plugins/perfmon/intel/uncore.c
@@ -15,6 +15,8 @@
 
 #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>
@@ -148,12 +150,9 @@ intel_uncore_init (vlib_main_t *vm, perfmon_source_t *src)
   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)
     {
-- 
cgit 1.2.3-korg