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perf annotate stdio2: Print more descriptive event information header
To match the recently added event header information to --tui, e.g.: # perf annotate --ignore-vmlinux --stdio2 _raw_spin_lock_irqsave Samples: 128 of event 'cycles:ppp', 4000 Hz, Event count (approx.): 48617682 _raw_spin_lock_irqsave() /proc/kcore 0.78 nop 7.03 push %rbx 3.12 pushfq 6.25 pop %rax nop mov %rax,%rbx 3.12 cli nop xor %eax,%eax mov $0x1,%edx 79.69 lock cmpxchg %edx,(%rdi) test %eax,%eax ↓ jne 2b mov %rbx,%rax pop %rbx ← retq 2b: mov %eax,%esi → callq *ffffffffb30eaed0 mov %rbx,%rax pop %rbx ← retq # Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Martin Liška <mliska@suse.cz> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-ujy46x7cldyhyxelyf2b9quy@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -2325,7 +2325,7 @@ int symbol__tty_annotate2(struct symbol *sym, struct map *map,
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struct dso *dso = map->dso;
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struct rb_root source_line = RB_ROOT;
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struct annotation_options opts = annotation__default_options;
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const char *ev_name = perf_evsel__name(evsel);
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struct annotation *notes = symbol__annotation(sym);
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char buf[1024];
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if (symbol__annotate2(sym, map, evsel, &opts, NULL) < 0)
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@ -2337,12 +2337,8 @@ int symbol__tty_annotate2(struct symbol *sym, struct map *map,
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print_summary(&source_line, dso->long_name);
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}
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if (perf_evsel__is_group_event(evsel)) {
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perf_evsel__group_desc(evsel, buf, sizeof(buf));
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ev_name = buf;
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}
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fprintf(stdout, "%s() %s\nEvent: %s\n\n", sym->name, dso->long_name, ev_name);
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annotation__scnprintf_samples_period(notes, buf, sizeof(buf), evsel);
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fprintf(stdout, "%s\n%s() %s\n", buf, sym->name, dso->long_name);
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symbol__annotate_fprintf2(sym, stdout);
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annotated_source__purge(symbol__annotation(sym)->src);
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