linux-kernel - [PATCH 2/3] perf kvm stat report: Enable the target.system

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Message-Id: <1409579095-12963-3-git-send-email-yarygin@linux.vnet.ibm.com>
Date:	Mon,  1 Sep 2014 17:44:54 +0400
From:	Alexander Yarygin <yarygin@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	Alexander Yarygin <yarygin@...ux.vnet.ibm.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [PATCH 2/3] perf kvm stat report: Enable the target.system_wide flag

The 'perf kvm stat report' command can be used to analyze events either
for system wide or for specific pids. Let's enable
kvm->opts.target.system_wide flag when 'report' command is running for
system-wide analyzing. This helps to sync kvm->opts.target values in
'report' and 'live' commands.

Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Christian Borntraeger <borntraeger@...ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Signed-off-by: Alexander Yarygin <yarygin@...ux.vnet.ibm.com>
---
 tools/perf/builtin-kvm.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index ad73476..b7fa0bc 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1212,6 +1212,9 @@ kvm_events_report(struct perf_kvm_stat *kvm, int argc, const char **argv)
 					   kvm_events_report_options);
 	}
 
+	if (!kvm->opts.target.pid)
+		kvm->opts.target.system_wide = true;
+
 	return kvm_events_report_vcpu(kvm);
 }
 
-- 
1.7.9.5

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