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[14/15] perf tools: Set ksymbol dso as loaded on arrival

Message ID 20200302143154.258569-15-jolsa@kernel.org
State Changes Requested
Delegated to: BPF Maintainers
Headers show
Series bpf: Add trampoline and dispatcher to /proc/kallsyms | expand

Commit Message

Jiri Olsa March 2, 2020, 2:31 p.m. UTC
There's no special load action for ksymbol data on
map__load/dso__load action, where the kernel is getting
loaded. It only gets confused with kernel kallsyms/vmlinux
load for bpf object, which fails and could mess up with
the map.

Disabling any further load of the map for ksymbol related dso/map.

Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/util/machine.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index fb5c2cd44d30..463ada5117f8 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -742,6 +742,7 @@  static int machine__process_ksymbol_register(struct machine *machine,
 		map->start = event->ksymbol.addr;
 		map->end = map->start + event->ksymbol.len;
 		maps__insert(&machine->kmaps, map);
+		dso__set_loaded(dso);
 	}
 
 	sym = symbol__new(map->map_ip(map, map->start),