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perf thread: Introduce thread__find_symbol()

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Out of thread__find_addr_location(..., MAP__FUNCTION, ...), idea here is to
continue removing references to MAP__{FUNCTION,VARIABLE} ahead of
getting both types of symbols in the same rbtree, as various places do
two lookups, looking first at MAP__FUNCTION, then at MAP__VARIABLE.

So thread__find_symbol() will eventually do just that, and 'struct
symbol' will have the symbol type, for code that cares about that.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-n7528en9e08yd3flzmb26tth@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2018-04-24 11:24:49 -03:00
parent ea40b6d322
commit 4546263d72
9 changed files with 26 additions and 27 deletions
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3
tools/perf/builtin-timechart.c
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@ -533,8 +533,7 @@ static const char *cat_backtrace(union perf_event *event,
}
tal.filtered = 0;
thread__find_addr_location(al.thread, cpumode,
MAP__FUNCTION, ip, &tal);
thread__find_symbol(al.thread, cpumode, ip, &tal);
if (tal.sym)
fprintf(f, "..... %016" PRIx64 " %s\n", ip,