GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

samples: bpf: Add xdp_exception tracepoint statistics support

Browse source 
This implements the retrieval and printing, as well the help output.

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210821002010.845777-8-memxor@gmail.com
This commit is contained in:
Kumar Kartikeya Dwivedi 2021-08-21 05:49:55 +05:30 • committed by Alexei Starovoitov
parent 451588764e
commit 82c450803a
2 changed files with 116 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
samples/bpf/xdp_sample_user.h
View file

@ -11,6 +11,7 @@ enum stats_mask {
_SAMPLE_REDIRECT_MAP = 1U << 0,
SAMPLE_RX_CNT = 1U << 1,
SAMPLE_REDIRECT_ERR_CNT = 1U << 2,
SAMPLE_EXCEPTION_CNT = 1U << 5,
SAMPLE_REDIRECT_CNT = 1U << 7,
SAMPLE_REDIRECT_MAP_CNT = SAMPLE_REDIRECT_CNT | _SAMPLE_REDIRECT_MAP,
SAMPLE_REDIRECT_ERR_MAP_CNT = SAMPLE_REDIRECT_ERR_CNT | _SAMPLE_REDIRECT_MAP,
@ -75,6 +76,8 @@ static inline char *safe_strncpy(char *dst, const char *src, size_t size)
__attach_tp(tp_xdp_redirect_map_err); \
if (mask & SAMPLE_REDIRECT_ERR_CNT) \
__attach_tp(tp_xdp_redirect_err); \
if (mask & SAMPLE_EXCEPTION_CNT) \
__attach_tp(tp_xdp_exception); \
return 0; \
}