From abe9544ea78a2e0c3cc92b4410a57a9c0732293f Mon Sep 17 00:00:00 2001
From: Ian Rogers <irogers@google.com>
Date: Sat, 27 May 2023 00:21:59 -0700
Subject: perf mem: Avoid hybrid PMU list

Add perf_pmu__num_mem_pmus that scans/counts the number of PMUs for
mem events. Switch perf_pmu__for_each_hybrid_pmu to iterating all PMUs
and only handling is_core ones.

Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ali Saidi <alisaidi@amazon.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Dmitrii Dolgov <9erthalion6@gmail.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jing Zhang <renyu.zj@linux.alibaba.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kang Minchul <tegongkang@gmail.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Ming Wang <wangming01@loongson.cn>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20230527072210.2900565-24-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-c2c.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

(limited to 'tools/perf/builtin-c2c.c')

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 08455e26b606..2757ccc19c5e 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -42,7 +42,6 @@
 #include "ui/ui.h"
 #include "ui/progress.h"
 #include "pmu.h"
-#include "pmu-hybrid.h"
 #include "string2.h"
 #include "util/util.h"
 
@@ -3259,10 +3258,8 @@ static int perf_c2c__record(int argc, const char **argv)
 	argc = parse_options(argc, argv, options, record_mem_usage,
 			     PARSE_OPT_KEEP_UNKNOWN);
 
-	if (!perf_pmu__has_hybrid())
-		rec_argc = argc + 11; /* max number of arguments */
-	else
-		rec_argc = argc + 11 * perf_pmu__hybrid_pmu_num();
+	/* Max number of arguments multiplied by number of PMUs that can support them. */
+	rec_argc = argc + 11 * perf_pmu__num_mem_pmus();
 
 	rec_argv = calloc(rec_argc + 1, sizeof(char *));
 	if (!rec_argv)
-- 
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