diff mbox series

[v4,21/35] perf header: Avoid hybrid PMU list in write_pmu_caps

Message ID 20230526215410.2435674-22-irogers@google.com (mailing list archive)
State New, archived
Headers show
Series PMU refactoring and improvements | expand

Commit Message

Ian Rogers May 26, 2023, 9:53 p.m. UTC 
Avoid perf_pmu__for_each_hybrid_pmu by iterating all PMUs are dumping
the core ones. This will eventually allow removal of the hybrid PMU
list.

Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
---
 tools/perf/util/header.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 276870221ce0..e24cc8f316cd 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -51,7 +51,6 @@ 
 #include "bpf-event.h"
 #include "bpf-utils.h"
 #include "clockid.h"
-#include "pmu-hybrid.h"
 
 #include <linux/ctype.h>
 #include <internal/lib.h>
@@ -1589,17 +1588,21 @@  static int write_pmu_caps(struct feat_fd *ff,
 	 * Write hybrid pmu caps first to maintain compatibility with
 	 * older perf tool.
 	 */
-	pmu = NULL;
-	perf_pmu__for_each_hybrid_pmu(pmu) {
-		ret = __write_pmu_caps(ff, pmu, true);
-		if (ret < 0)
-			return ret;
+	if (perf_pmu__has_hybrid()) {
+		pmu = NULL;
+		while ((pmu = perf_pmu__scan(pmu))) {
+			if (!pmu->is_core)
+				continue;
+
+			ret = __write_pmu_caps(ff, pmu, true);
+			if (ret < 0)
+				return ret;
+		}
 	}
 
 	pmu = NULL;
 	while ((pmu = perf_pmu__scan(pmu))) {
-		if (!pmu->name || !strcmp(pmu->name, "cpu") ||
-		    !pmu->nr_caps || perf_pmu__is_hybrid(pmu->name))
+		if (pmu->is_core || !pmu->nr_caps)
 			continue;
 
 		ret = __write_pmu_caps(ff, pmu, true);