From 1b8962af4c1b26251e83ee4593300d439e9922aa Mon Sep 17 00:00:00 2001 From: Joel Fernandes Date: Wed, 17 Apr 2019 11:30:46 -0400 Subject: [PATCH] Add support for the bpf_probe_read_str bpf function This is needed for the iorapd project (i/o readahead). Change-Id: If6a3de682296bbce0fc808a0eced6bd778106292 Signed-off-by: Joel Fernandes --- progs/include/bpf_helpers.h | 1 + 1 file changed, 1 insertion(+) diff --git a/progs/include/bpf_helpers.h b/progs/include/bpf_helpers.h index 3ae4291..01bdc68 100644 --- a/progs/include/bpf_helpers.h +++ b/progs/include/bpf_helpers.h @@ -17,6 +17,7 @@ static int (*bpf_map_update_elem)(void* map, void* key, void* value, unsigned long long flags) = (void*) BPF_FUNC_map_update_elem; static int (*bpf_map_delete_elem)(void* map, void* key) = (void*) BPF_FUNC_map_delete_elem; static int (*bpf_probe_read)(void* dst, int size, void* unsafe_ptr) = (void*) BPF_FUNC_probe_read; +static int (*bpf_probe_read_str)(void* dst, int size, void* unsafe_ptr) = (void*) BPF_FUNC_probe_read_str; static unsigned long long (*bpf_ktime_get_ns)(void) = (void*) BPF_FUNC_ktime_get_ns; static int (*bpf_trace_printk)(const char* fmt, int fmt_size, ...) = (void*) BPF_FUNC_trace_printk; static unsigned long long (*bpf_get_current_pid_tgid)(void) = (void*) BPF_FUNC_get_current_pid_tgid;