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perf kvm: Make perf kvm diff support --guestmount.

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In manpage of perf-kvm, --guestmount is supported by diff command, but
it does not work well.

This patch change the extend the checking in buildid-diff from
guestkallsyms or guestmodules to perf_guest. Then this checking can
cover the all cases perf kvm is used for.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Link: http://lkml.kernel.org/r/72857ed89642e0633f5e88f7e7abbc9645359e8e.1386368672.git.yangds.fnst@cn.fujitsu.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Dongsheng Yang 2013-12-06 17:25:52 -05:00 committed by Arnaldo Carvalho de Melo
parent e1a2b174db
commit d8d9608fdd
1 changed files with 1 additions and 2 deletions
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3
tools/perf/builtin-diff.c
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@ -1000,8 +1000,7 @@ static int data_init(int argc, const char **argv)
data__files_cnt = argc;
use_default = false;
}
} else if (symbol_conf.default_guest_vmlinux_name ||
symbol_conf.default_guest_kallsyms) {
} else if (perf_guest) {
defaults[0] = "perf.data.host";
defaults[1] = "perf.data.guest";
}