perf bpf: Make bpf__for_each_stdout_map() generic

By passing a 'name' arg, that will eventually be used to setup more
"bpf-output" events, e.g. to create a event where to create raw_syscalls
like events that in addition to the syscall arguments will also copy the
pointer contents being passed from/to userspace.

Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2018-08-06 09:46:33 -03:00
commit 5941d856a9

View file

@ -1529,12 +1529,15 @@ int bpf__apply_obj_config(void)
bpf_object__for_each_safe(obj, objtmp) \
bpf_map__for_each(pos, obj)
#define bpf__for_each_stdout_map(pos, obj, objtmp) \
#define bpf__for_each_map_named(pos, obj, objtmp, name) \
bpf__for_each_map(pos, obj, objtmp) \
if (bpf_map__name(pos) && \
(strcmp("__bpf_stdout__", \
(strcmp(name, \
bpf_map__name(pos)) == 0))
#define bpf__for_each_stdout_map(pos, obj, objtmp) \
bpf__for_each_map_named(pos, obj, objtmp, "__bpf_stdout__")
int bpf__setup_stdout(struct perf_evlist *evlist)
{
struct bpf_map_priv *tmpl_priv = NULL;