diff options
Diffstat (limited to 'tools/perf/util/bpf-loader.h')
| -rw-r--r-- | tools/perf/util/bpf-loader.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/perf/util/bpf-loader.h b/tools/perf/util/bpf-loader.h index ccd8d7fd79d3..5eb3629eed8b 100644 --- a/tools/perf/util/bpf-loader.h +++ b/tools/perf/util/bpf-loader.h @@ -8,9 +8,21 @@ #include <linux/compiler.h> #include <linux/err.h> #include <string.h> +#include <bpf/libbpf.h> #include "probe-event.h" #include "debug.h" +enum bpf_loader_errno { + __BPF_LOADER_ERRNO__START = __LIBBPF_ERRNO__START - 100, + /* Invalid config string */ + BPF_LOADER_ERRNO__CONFIG = __BPF_LOADER_ERRNO__START, + BPF_LOADER_ERRNO__GROUP, /* Invalid group name */ + BPF_LOADER_ERRNO__EVENTNAME, /* Event name is missing */ + BPF_LOADER_ERRNO__INTERNAL, /* BPF loader internal error */ + BPF_LOADER_ERRNO__COMPILE, /* Error when compiling BPF scriptlet */ + __BPF_LOADER_ERRNO__END, +}; + struct bpf_object; #define PERF_BPF_PROBE_GROUP "perf_bpf_probe" @@ -19,6 +31,8 @@ typedef int (*bpf_prog_iter_callback_t)(struct probe_trace_event *tev, #ifdef HAVE_LIBBPF_SUPPORT struct bpf_object *bpf__prepare_load(const char *filename, bool source); +int bpf__strerror_prepare_load(const char *filename, bool source, + int err, char *buf, size_t size); void bpf__clear(void); @@ -67,6 +81,15 @@ __bpf_strerror(char *buf, size_t size) return 0; } +static inline +int bpf__strerror_prepare_load(const char *filename __maybe_unused, + bool source __maybe_unused, + int err __maybe_unused, + char *buf, size_t size) +{ + return __bpf_strerror(buf, size); +} + static inline int bpf__strerror_probe(struct bpf_object *obj __maybe_unused, int err __maybe_unused, |