linux-kernel - [PATCH] perf parse-events: Set exclude

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Message-Id: <20200812065953.22143-1-yao.jin@linux.intel.com>
Date:   Wed, 12 Aug 2020 14:59:53 +0800
From:   Jin Yao <yao.jin@...ux.intel.com>
To:     acme@...nel.org, jolsa@...nel.org, peterz@...radead.org,
        mingo@...hat.com, alexander.shishkin@...ux.intel.com
Cc:     Linux-kernel@...r.kernel.org, ak@...ux.intel.com,
        kan.liang@...el.com, yao.jin@...el.com, like.xu@...ux.intel.com,
        Jin Yao <yao.jin@...ux.intel.com>
Subject: [PATCH] perf parse-events: Set exclude_guest for user-space counting

Currently if we run 'perf record -e cycles:u', exclude_guest is 0.

But it doesn't make sense that we request for user-space counting
but we also get the guest report.

To keep perf semantics consistent and clear, this patch sets
exclude_guest for user-space counting.

Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>
---
 tools/perf/util/parse-events.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 9f7260e69113..4d809f1fe269 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1794,6 +1794,8 @@ static int get_event_modifier(struct event_modifier *mod, char *str,
 		if (*str == 'u') {
 			if (!exclude)
 				exclude = eu = ek = eh = 1;
+			if (!exclude_GH)
+				eG = 1;
 			eu = 0;
 		} else if (*str == 'k') {
 			if (!exclude)
-- 
2.17.1