diff options
| -rw-r--r-- | tools/perf/util/probe-event.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 8eae2afff71a..a59d3268adb0 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -894,6 +894,16 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev, struct debuginfo *dinfo; int ntevs, ret = 0; + /* Workaround for gcc #98776 issue. + * Perf failed to add kretprobe event with debuginfo of vmlinux which is + * compiled by gcc with -fpatchable-function-entry option enabled. The + * same issue with kernel module. The retprobe doesn`t need debuginfo. + * This workaround solution use map to query the probe function address + * for retprobe event. + */ + if (pev->point.retprobe) + return 0; + dinfo = open_debuginfo(pev->target, pev->nsi, !need_dwarf); if (!dinfo) { if (need_dwarf) |