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perf symbols: Simplify symbol machinery setup

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And also express its configuration toggles via a struct.

Now all one has to do is to call symbol__init(NULL) if the
defaults are OK, or pass a struct symbol_conf pointer with the
desired configuration.

If a tool uses kernel_maps__find_symbol() to look at the kernel
and modules mappings for a symbol but didn't call symbol__init()
first, that will generate a one time warning too, alerting the
subcommand developer that symbol__init() must be called.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1259071517-3242-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo
2009-11-24 12:05:15 -02:00
committed by Ingo Molnar
parent 7cc017edb9
commit b32d133aec
12 changed files with 85 additions and 60 deletions
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2
tools/perf/builtin-sched.c
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@ -1718,7 +1718,7 @@ static int read_events(void)
register_idle_thread();
register_perf_file_handler(&file_handler);
return mmap_dispatch_perf_file(&header, input_name, NULL, false, 0, 0,
return mmap_dispatch_perf_file(&header, input_name, 0, 0,
&cwdlen, &cwd);
}