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perf symbols: Consider unresolved DSOs in the dso__col_widt calculation 

By using BITS_PER_LONG / 4, that is the number of chars that will be
used in such cases as the DSO "name".

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2010-05-09 16:07:01 -03:00
parent 28e2a106d1
commit 3ceb0d4438
1 changed files with 7 additions and 0 deletions
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7
tools/perf/util/event.c
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@ -676,6 +676,13 @@ int event__preprocess_sample(const event_t *self, struct perf_session *session,
dso__calc_col_width(al->map->dso);
al->sym = map__find_symbol(al->map, al->addr, filter);
} else {
const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
if (dsos__col_width < unresolved_col_width &&
!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
!symbol_conf.dso_list)
dsos__col_width = unresolved_col_width;
}
if (symbol_conf.sym_list && al->sym &&