diff options
| -rw-r--r-- | tools/perf/util/trace-event-parse.c | 16 | ||||
| -rw-r--r-- | tools/perf/util/trace-event.h | 1 |
2 files changed, 15 insertions, 2 deletions
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 96c5e97ffe7..665dac20cd1 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1548,6 +1548,7 @@ process_str(struct event *event __unused, struct print_arg *arg, char **tok) arg->type = PRINT_STRING; arg->string.string = token; + arg->string.offset = -1; if (read_expected(EVENT_DELIM, (char *)")") < 0) return EVENT_ERROR; @@ -2031,9 +2032,20 @@ static void print_str_arg(void *data, int size, case PRINT_TYPE: break; - case PRINT_STRING: - printf("%s", arg->string.string); + case PRINT_STRING: { + int str_offset; + + if (arg->string.offset == -1) { + struct format_field *f; + + f = find_any_field(event, arg->string.string); + arg->string.offset = f->offset; + } + str_offset = *(int *)(data + arg->string.offset); + str_offset &= 0xffff; + printf("%s", ((char *)data) + str_offset); break; + } case PRINT_OP: /* * The only op for string should be ? : diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 051fcf36382..420294a5773 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -50,6 +50,7 @@ struct print_arg_atom { struct print_arg_string { char *string; + int offset; }; struct print_arg_field { |