diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index fb9da71eba1f..f2ecd498c72d 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -977,6 +977,10 @@ try_again: ui__error("Too many events are opened.\n" "Try again after reducing the number of events\n"); goto out_err; + } else if ((err == EOPNOTSUPP) && (attr->precise_ip)) { + ui__error("\'precise\' request may not be supported. " + "Try removing 'p' modifier\n"); + goto out_err; } ui__error("The sys_perf_event_open() syscall " |
