diff options
| -rw-r--r-- | tools/testing/selftests/bpf/veristat.c | 70 |
1 files changed, 57 insertions, 13 deletions
diff --git a/tools/testing/selftests/bpf/veristat.c b/tools/testing/selftests/bpf/veristat.c index 175a03e6c5ef..a18972ffdeb6 100644 --- a/tools/testing/selftests/bpf/veristat.c +++ b/tools/testing/selftests/bpf/veristat.c @@ -268,10 +268,11 @@ static int append_filter(struct filter **filters, int *cnt, const char *str); static int append_filter_file(const char *path); static int append_var_preset(struct var_preset **presets, int *cnt, const char *expr); static int append_var_preset_file(const char *filename); +static int append_file(const char *path); +static int append_file_from_file(const char *path); static error_t parse_arg(int key, char *arg, struct argp_state *state) { - void *tmp; int err; switch (key) { @@ -381,14 +382,14 @@ static error_t parse_arg(int key, char *arg, struct argp_state *state) break; } case ARGP_KEY_ARG: - tmp = realloc(env.filenames, (env.filename_cnt + 1) * sizeof(*env.filenames)); - if (!tmp) - return -ENOMEM; - env.filenames = tmp; - env.filenames[env.filename_cnt] = strdup(arg); - if (!env.filenames[env.filename_cnt]) - return -ENOMEM; - env.filename_cnt++; + if (arg[0] == '@') + err = append_file_from_file(arg + 1); + else + err = append_file(arg); + if (err) { + fprintf(stderr, "Failed to collect BPF object files: %d\n", err); + return err; + } break; default: return ARGP_ERR_UNKNOWN; @@ -659,7 +660,7 @@ static int append_filter_file(const char *path) f = fopen(path, "r"); if (!f) { err = -errno; - fprintf(stderr, "Failed to open filters in '%s': %s\n", path, strerror(err)); + fprintf(stderr, "Failed to open filters in '%s': %s\n", path, strerror(-err)); return err; } @@ -689,6 +690,49 @@ static const struct stat_specs default_output_spec = { }, }; +static int append_file(const char *path) +{ + void *tmp; + + tmp = realloc(env.filenames, (env.filename_cnt + 1) * sizeof(*env.filenames)); + if (!tmp) + return -ENOMEM; + env.filenames = tmp; + env.filenames[env.filename_cnt] = strdup(path); + if (!env.filenames[env.filename_cnt]) + return -ENOMEM; + env.filename_cnt++; + return 0; +} + +static int append_file_from_file(const char *path) +{ + char buf[1024]; + int err = 0; + FILE *f; + + f = fopen(path, "r"); + if (!f) { + err = -errno; + fprintf(stderr, "Failed to open object files list in '%s': %s\n", + path, strerror(errno)); + return err; + } + + while (fscanf(f, " %1023[^\n]\n", buf) == 1) { + /* lines starting with # are comments, skip them */ + if (buf[0] == '\0' || buf[0] == '#') + continue; + err = append_file(buf); + if (err) + goto cleanup; + } + +cleanup: + fclose(f); + return err; +} + static const struct stat_specs default_csv_output_spec = { .spec_cnt = 14, .ids = { @@ -1190,13 +1234,13 @@ static void fixup_obj(struct bpf_object *obj, struct bpf_program *prog, const ch bpf_program__set_expected_attach_type(prog, attach_type); if (!env.quiet) { - printf("Using guessed program type '%s' for %s/%s...\n", + fprintf(stderr, "Using guessed program type '%s' for %s/%s...\n", libbpf_bpf_prog_type_str(prog_type), filename, prog_name); } } else { if (!env.quiet) { - printf("Failed to guess program type for freplace program with context type name '%s' for %s/%s. Consider using canonical type names to help veristat...\n", + fprintf(stderr, "Failed to guess program type for freplace program with context type name '%s' for %s/%s. Consider using canonical type names to help veristat...\n", ctx_name, filename, prog_name); } } @@ -1378,7 +1422,7 @@ static int append_var_preset_file(const char *filename) f = fopen(filename, "rt"); if (!f) { err = -errno; - fprintf(stderr, "Failed to open presets in '%s': %s\n", filename, strerror(err)); + fprintf(stderr, "Failed to open presets in '%s': %s\n", filename, strerror(-err)); return -EINVAL; } |