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authorDamjan Marion <damarion@cisco.com>2024-02-29 16:14:27 +0100
committerBeno�t Ganne <bganne@cisco.com>2024-03-04 08:53:08 +0000
commit4b6614030f384f7c8d847360cacf5c7f7560c6be (patch)
treeb560c46a2cda2bf6b16e147a52a70ed83c3ce1ce /src/plugins
parent2921e0234185f615d7530343b340573e2cb5caec (diff)
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>
Diffstat (limited to 'src/plugins')
-rw-r--r--src/plugins/perfmon/intel/uncore.c11
1 files changed, 5 insertions, 6 deletions
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)
{