diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-trace.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 2bf2ca771ca5..39ad4d0ca884 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1617,6 +1617,34 @@ static int trace__read_syscall_info(struct trace *trace, int id) return syscall__set_arg_fmts(sc); } +static int trace__validate_ev_qualifier(struct trace *trace) +{ + int err = 0; + struct str_node *pos; + + strlist__for_each(pos, trace->ev_qualifier) { + const char *sc = pos->s; + + if (audit_name_to_syscall(sc, trace->audit.machine) < 0) { + if (err == 0) { + fputs("Error:\tInvalid syscall ", trace->output); + err = -EINVAL; + } else { + fputs(", ", trace->output); + } + + fputs(sc, trace->output); + } + } + + if (err < 0) { + fputs("\nHint:\ttry 'perf list syscalls:sys_enter_*'" + "\nHint:\tand: 'man syscalls'\n", trace->output); + } + + return err; +} + /* * args is to be interpreted as a series of longs but we need to handle * 8-byte unaligned accesses. args points to raw_data within the event @@ -2862,6 +2890,10 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) err = -ENOMEM; goto out_close; } + + err = trace__validate_ev_qualifier(&trace); + if (err) + goto out_close; } err = target__validate(&trace.opts.target); |