diff options
| -rw-r--r-- | tools/perf/util/event.c | 8 | ||||
| -rw-r--r-- | tools/perf/util/session.c | 2 |
2 files changed, 7 insertions, 3 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index ed558191c0b3..4af6b279e34a 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -558,13 +558,17 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, struct map *map; struct kmap *kmap; int err; + union perf_event *event; + + if (machine->vmlinux_maps[0] == NULL) + return -1; + /* * We should get this from /sys/kernel/sections/.text, but till that is * available use this, and after it is use this as a fallback for older * kernels. */ - union perf_event *event = zalloc((sizeof(event->mmap) + - machine->id_hdr_size)); + event = zalloc((sizeof(event->mmap) + machine->id_hdr_size)); if (event == NULL) { pr_debug("Not enough memory synthesizing mmap event " "for kernel modules\n"); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 6d2d50dea1d8..883406f4b381 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -119,7 +119,7 @@ struct perf_session *perf_session__new(struct perf_data_file *file, * kernel MMAP event, in perf_event__process_mmap(). */ if (perf_session__create_kernel_maps(session) < 0) - goto out_delete; + pr_warning("Cannot read kernel map\n"); } if (tool && tool->ordering_requires_timestamps && |