linux-kernel - [PATCH v2 6/7] perf kwork: Expand capacity of bpf entries

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Message-ID: <20220730030335.78203-7-yangjihong1@huawei.com>
Date:   Sat, 30 Jul 2022 11:03:34 +0800
From:   Yang Jihong <yangjihong1@...wei.com>
To:     <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
        <mark.rutland@....com>, <alexander.shishkin@...ux.intel.com>,
        <jolsa@...nel.org>, <namhyung@...nel.org>,
        <colin.i.king@...il.com>, <linux-kernel@...r.kernel.org>,
        <linux-perf-users@...r.kernel.org>
CC:     <pc@...ibm.com>, <yhs@...com>, <andrii.nakryiko@...il.com>,
        <songliubraving@...com>, <yangjihong1@...wei.com>
Subject: [PATCH v2 6/7] perf kwork: Expand capacity of bpf entries

100 kwork entries are not enough for a system with hundreds of cores,
improving capacity.

Signed-off-by: Yang Jihong <yangjihong1@...wei.com>
---
 tools/perf/util/bpf_skel/kwork_trace.bpf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/bpf_skel/kwork_trace.bpf.c b/tools/perf/util/bpf_skel/kwork_trace.bpf.c
index 063c124e0999..5300e8be64b0 100644
--- a/tools/perf/util/bpf_skel/kwork_trace.bpf.c
+++ b/tools/perf/util/bpf_skel/kwork_trace.bpf.c
@@ -5,7 +5,7 @@
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
 
-#define KWORK_COUNT 100
+#define KWORK_COUNT 10000
 #define MAX_KWORKNAME 128
 
 /*
-- 
2.30.GIT