linux-kernel - [PATCH 05/25] perf intel-pt: decoder: Add config bit definitions

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Date:   Mon, 24 Jan 2022 10:41:41 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 05/25] perf intel-pt: decoder: Add config bit definitions

Tidy up config bit constants to use #define.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/util/intel-pt.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index e8613cbda331..f3e5c2dfee25 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -46,6 +46,10 @@
 
 #define MAX_TIMESTAMP (~0ULL)
 
+#define INTEL_PT_CFG_PASS_THRU	BIT_ULL(0)
+#define INTEL_PT_CFG_PWR_EVT_EN	BIT_ULL(4)
+#define INTEL_PT_CFG_BRANCH_EN	BIT_ULL(13)
+
 struct range {
 	u64 start;
 	u64 end;
@@ -953,7 +957,8 @@ static bool intel_pt_branch_enable(struct intel_pt *pt)
 
 	evlist__for_each_entry(pt->session->evlist, evsel) {
 		if (intel_pt_get_config(pt, &evsel->core.attr, &config) &&
-		    (config & 1) && !(config & 0x2000))
+		    (config & INTEL_PT_CFG_PASS_THRU) &&
+		    !(config & INTEL_PT_CFG_BRANCH_EN))
 			return false;
 	}
 	return true;
@@ -3429,7 +3434,7 @@ static int intel_pt_synth_events(struct intel_pt *pt,
 		id += 1;
 	}
 
-	if (pt->synth_opts.pwr_events && (evsel->core.attr.config & 0x10)) {
+	if (pt->synth_opts.pwr_events && (evsel->core.attr.config & INTEL_PT_CFG_PWR_EVT_EN)) {
 		attr.config = PERF_SYNTH_INTEL_MWAIT;
 		err = intel_pt_synth_event(session, "mwait", &attr, id);
 		if (err)
-- 
2.25.1