linux-kernel - [PATCH 2/4] perf tools: Simplify evsel__add

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Message-ID: <20240902014621.2002343-3-namhyung@kernel.org>
Date: Sun,  1 Sep 2024 18:46:19 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Kan Liang <kan.liang@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-perf-users@...r.kernel.org,
	Ravi Bangoria <ravi.bangoria@....com>,
	Mark Rutland <mark.rutland@....com>,
	James Clark <james.clark@....com>,
	Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
	Kajol Jain <kjain@...ux.ibm.com>,
	Thomas Richter <tmricht@...ux.ibm.com>,
	Atish Patra <atishp@...shpatra.org>,
	Palmer Dabbelt <palmer@...osinc.com>,
	Mingwei Zhang <mizhang@...gle.com>
Subject: [PATCH 2/4] perf tools: Simplify evsel__add_modifier()

Since it doesn't set the exclude_guest, no need to special handle the
bit and simply show only if one of host or guest bit is set.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/util/evsel.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 49cc71511c0c..57fe0f9b06f9 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -548,7 +548,6 @@ static int evsel__add_modifiers(struct evsel *evsel, char *bf, size_t size)
 {
 	int colon = 0, r = 0;
 	struct perf_event_attr *attr = &evsel->core.attr;
-	bool exclude_guest_default = false;
 
 #define MOD_PRINT(context, mod)	do {					\
 		if (!attr->exclude_##context) {				\
@@ -560,17 +559,15 @@ static int evsel__add_modifiers(struct evsel *evsel, char *bf, size_t size)
 		MOD_PRINT(kernel, 'k');
 		MOD_PRINT(user, 'u');
 		MOD_PRINT(hv, 'h');
-		exclude_guest_default = true;
 	}
 
 	if (attr->precise_ip) {
 		if (!colon)
 			colon = ++r;
 		r += scnprintf(bf + r, size - r, "%.*s", attr->precise_ip, "ppp");
-		exclude_guest_default = true;
 	}
 
-	if (attr->exclude_host || attr->exclude_guest == exclude_guest_default) {
+	if (attr->exclude_host || attr->exclude_guest) {
 		MOD_PRINT(host, 'H');
 		MOD_PRINT(guest, 'G');
 	}
-- 
2.46.0.469.g59c65b2a67-goog