Em Thu, Aug 27, 2020 at 09:10:09AM +1000, Stephen Rothwell escreveu: > Hi all, > > On Thu, 27 Aug 2020 08:38:39 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > /home/sfr/next/next/tools/perf/util/namespaces.c: In function 'nsinfo__new': > > /home/sfr/next/next/tools/perf/util/namespaces.c:139:12: note: the layout of aggregates containing vectors with 8-byte alignment has changed in GCC 5 > > 139 | nsi->pid = pid; > > | ~~~~~~~~~^~~~~ > > > > I assume they are because I have changed all my toolcahins to gcc > > v10 today. > > From gcc v9, so I have no idea what the GGC 5 note is about. Yeah, strange warning, and I reproduced it here with a container: [perfbuilder@five x-powerpc64el]$ dm ubuntu:20.04-x-powerpc64el Tue 01 Sep 2020 02:23:28 PM -03 # export PERF_TARBALL=http://192.168.122.1/perf/perf-5.9.0-rc1.tar.xz # dm ubuntu:20.04-x-powerpc64el 1 37.44 ubuntu:20.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 10-20200411-0ubuntu1) 10.0.1 20200411 (experimental) [master revision bb87d5cc77d:75961caccb7:f883c46b4877f637e0fa5025b4d6b5c9040ec566] 2 37.4383 [perfbuilder@five x-powerpc64el]$ But then the build goes thru and finishes ok :-\ CC /tmp/build/perf/util/perf-hooks.o FLEX /tmp/build/perf/util/parse-events-flex.c FLEX /tmp/build/perf/util/pmu-flex.c util/synthetic-events.c: In function 'perf_event__synthesize_sample': util/synthetic-events.c:1441:22: note: the layout of aggregates containing vectors with 8-byte alignment has changed in GCC 5 1441 | u.val32[0] = sample->pid; | ~~~~~~^~~~~ CC /tmp/build/perf/util/pmu-bison.o FLEX /tmp/build/perf/util/expr-flex.c CC /tmp/build/perf/util/expr-bison.o CC /tmp/build/perf/util/parse-events.o CC /tmp/build/perf/util/parse-events-flex.o CC /tmp/build/perf/util/pmu.o CC /tmp/build/perf/util/pmu-flex.o CC /tmp/build/perf/util/expr-flex.o CC /tmp/build/perf/util/expr.o util/jitdump.c: In function 'jit_process': util/jitdump.c:329:23: note: the layout of aggregates containing vectors with 8-byte alignment has changed in GCC 5 329 | jr->load.pid = bswap_32(jr->load.pid); | ^ util/probe-finder.c: In function 'line_range_search_cb': util/probe-finder.c:1887:17: note: the layout of aggregates containing vectors with 8-byte alignment has changed in GCC 5 1887 | lr->start = lf->lno_s; | ~~^~~~~~~ util/pmu.c: In function '__perf_pmu__new_alias': util/pmu.c:308:12: note: the layout of aggregates containing vectors with 2-byte alignment has changed in GCC 5 308 | static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name, | ^~~~~~~~~~~~~~~~~~~~~ LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o util/parse-events.c: In function 'parse_events__modifier_event': util/parse-events.c:1892:5: note: the layout of aggregates containing vectors with 8-byte alignment has changed in GCC 5 1892 | int parse_events__modifier_event(struct list_head *list, char *str, bool add) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ LD /tmp/build/perf/util/perf-in.o LD /tmp/build/perf/perf-in.o LINK /tmp/build/perf/perf make: Leaving directory '/git/linux/tools/perf' + set +o xtrace /rx_and_build.sh: 38: powerpc64le-linux-gnu-clang: not found [perfbuilder@five x-powerpc64el]$
