perf annotate: Add disassembly warnings for annotate --stdio
authorJames Clark <james.clark@arm.com>
Thu, 29 Jul 2021 15:58:02 +0000 (16:58 +0100)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 3 Aug 2021 20:04:06 +0000 (17:04 -0300)
Currently 'perf annotate --stdio' (and --stdio2) will exit without
printing anything if there are disassembly errors. Apply the same error
handler that's used for TUI and GTK modes. This makes comparing
disassembly across the different modes more consistent.

Signed-off-by: James Clark <james.clark@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lore.kernel.org/lkml/20210729155805.2830-4-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/annotate.c

index cb280de..d43f6b5 100644 (file)
@@ -2789,9 +2789,17 @@ int symbol__tty_annotate2(struct map_symbol *ms, struct evsel *evsel,
        struct rb_root source_line = RB_ROOT;
        struct hists *hists = evsel__hists(evsel);
        char buf[1024];
+       int err;
+
+       err = symbol__annotate2(ms, evsel, opts, NULL);
+       if (err) {
+               char msg[BUFSIZ];
 
-       if (symbol__annotate2(ms, evsel, opts, NULL) < 0)
+               dso->annotate_warned = true;
+               symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
+               ui__error("Couldn't annotate %s:\n%s", sym->name, msg);
                return -1;
+       }
 
        if (opts->print_lines) {
                srcline_full_filename = opts->full_path;
@@ -2815,9 +2823,17 @@ int symbol__tty_annotate(struct map_symbol *ms, struct evsel *evsel,
        struct dso *dso = ms->map->dso;
        struct symbol *sym = ms->sym;
        struct rb_root source_line = RB_ROOT;
+       int err;
+
+       err = symbol__annotate(ms, evsel, opts, NULL);
+       if (err) {
+               char msg[BUFSIZ];
 
-       if (symbol__annotate(ms, evsel, opts, NULL) < 0)
+               dso->annotate_warned = true;
+               symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
+               ui__error("Couldn't annotate %s:\n%s", sym->name, msg);
                return -1;
+       }
 
        symbol__calc_percent(sym, evsel);