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-rw-r--r--tools/perf/builtin-record.c5
-rw-r--r--tools/perf/builtin-top.c4
2 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 73b5d7f91194..53c9892e96dd 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -317,6 +317,11 @@ try_again:
317 perf_evsel__name(pos)); 317 perf_evsel__name(pos));
318 rc = -err; 318 rc = -err;
319 goto out; 319 goto out;
320 } else if ((err == EOPNOTSUPP) && (attr->precise_ip)) {
321 ui__error("\'precise\' request may not be supported. "
322 "Try removing 'p' modifier\n");
323 rc = -err;
324 goto out;
320 } 325 }
321 326
322 printf("\n"); 327 printf("\n");
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:
977 ui__error("Too many events are opened.\n" 977 ui__error("Too many events are opened.\n"
978 "Try again after reducing the number of events\n"); 978 "Try again after reducing the number of events\n");
979 goto out_err; 979 goto out_err;
980 } else if ((err == EOPNOTSUPP) && (attr->precise_ip)) {
981 ui__error("\'precise\' request may not be supported. "
982 "Try removing 'p' modifier\n");
983 goto out_err;
980 } 984 }
981 985
982 ui__error("The sys_perf_event_open() syscall " 986 ui__error("The sys_perf_event_open() syscall "