From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 03/60] perf machine: Set ksymbol dso as loaded on arrival Date: Mon, 20 Apr 2020 08:52:19 -0300 Message-ID: <20200420115316.18781-4-acme@kernel.org> References: <20200420115316.18781-1-acme@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200420115316.18781-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Song Liu , Alexei Starovoitov , Andrii Nakryiko , =?UTF-8?q?Bj=C3=83=C2=B6rn=20T=C3=83=C2=B6pel?= , Daniel Borkmann , "David S . Miller" , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend , Martin KaFai Lau , Yonghong Song , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Jiri Olsa 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. Signed-off-by: Jiri Olsa Acked-by: Song Liu Cc: Alexei Starovoitov Cc: Andrii Nakryiko Cc: Björn Töpel Cc: Daniel Borkmann Cc: David S. Miller Cc: Jakub Kicinski Cc: Jesper Dangaard Brouer Cc: John Fastabend Cc: Martin KaFai Lau Cc: Yonghong Song Link: https://lore.kernel.org/bpf/20200312195610.346362-15-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/machine.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 97142e9671be..06aa4e4db63d 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -759,6 +759,7 @@ 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), -- 2.21.1