Files
linux/samples/bpf/tracex4.bpf.c
Rong Tao d205d4af3a samples/bpf: tracex4: Fix failed to create kretprobe 'kmem_cache_alloc_node+0x0'
commit 7bd230a266 ("mm/slab: enable slab allocation tagging for kmalloc
and friends") [1] swap kmem_cache_alloc_node() to
kmem_cache_alloc_node_noprof().

    linux/samples/bpf$ sudo ./tracex4
    libbpf: prog 'bpf_prog2': failed to create kretprobe
    'kmem_cache_alloc_node+0x0' perf event: No such file or directory
    ERROR: bpf_program__attach failed

Signed-off-by: Rong Tao <rongtao@cestc.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: 7bd230a266
Link: https://lore.kernel.org/bpf/tencent_34E5BCCAC5ABF3E81222AD81B1D05F16DE06@qq.com
2024-08-27 16:17:44 -07:00

1.2 KiB