diff options
Diffstat (limited to 'kernel/bpf/syscall.c')
| -rw-r--r-- | kernel/bpf/syscall.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 22e7a805c6723..0e758911d963f 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -2094,6 +2094,17 @@ struct bpf_prog_kstats { u64 misses; }; +void notrace bpf_prog_inc_misses_counter(struct bpf_prog *prog) +{ + struct bpf_prog_stats *stats; + unsigned int flags; + + stats = this_cpu_ptr(prog->stats); + flags = u64_stats_update_begin_irqsave(&stats->syncp); + u64_stats_inc(&stats->misses); + u64_stats_update_end_irqrestore(&stats->syncp, flags); +} + static void bpf_prog_get_stats(const struct bpf_prog *prog, struct bpf_prog_kstats *stats) { |