| Date | Tue, 12 Mar 2019 14:10:33 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH v9 perf,bpf 06/15] perf, bpf: save bpf_prog_info in a rbtree in perf_env |
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On Mon, Mar 11, 2019 at 10:30:42PM -0700, Song Liu wrote:
SNIP
> +/* purge data in bpf_progs.infos tree */ > +static void perf_env__purge_bpf(struct perf_env *env) > +{ > + struct rb_root *root; > + struct rb_node *next; > + > + down_write(&env->bpf_progs.lock); > + > + root = &env->bpf_progs.infos; > + next = rb_first(root); > + > + while (next) { > + struct bpf_prog_info_node *node; > + > + node = rb_entry(next, struct bpf_prog_info_node, rb_node); > + next = rb_next(&node->rb_node); > + rb_erase(&node->rb_node, root); > + free(node); > + }
env->bpf_progs.infos_cnt = 0; ?
but it's probably not needed given the current usage
jirka
> + up_write(&env->bpf_progs.lock); > +}
SNIP
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