From: Muhammad Falak R Wani <falakreyaz@gmail.com>
To: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>
Cc: Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
netdev@vger.kernel.org, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org,
Muhammad Falak R Wani <falakreyaz@gmail.com>
Subject: [PATCH] samples: bpf: offwaketime: define MAX_ENTRIES instead of a magic number
Date: Sun, 15 Aug 2021 12:20:13 +0530 [thread overview]
Message-ID: <20210815065013.15411-1-falakreyaz@gmail.com> (raw)
Define MAX_ENTRIES instead of using 10000 as a magic number in various
places.
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
samples/bpf/offwaketime_kern.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/samples/bpf/offwaketime_kern.c b/samples/bpf/offwaketime_kern.c
index 14b792915a9c..4866afd054da 100644
--- a/samples/bpf/offwaketime_kern.c
+++ b/samples/bpf/offwaketime_kern.c
@@ -20,6 +20,7 @@
})
#define MINBLOCK_US 1
+#define MAX_ENTRIES 10000
struct key_t {
char waker[TASK_COMM_LEN];
@@ -32,14 +33,14 @@ struct {
__uint(type, BPF_MAP_TYPE_HASH);
__type(key, struct key_t);
__type(value, u64);
- __uint(max_entries, 10000);
+ __uint(max_entries, MAX_ENTRIES);
} counts SEC(".maps");
struct {
__uint(type, BPF_MAP_TYPE_HASH);
__type(key, u32);
__type(value, u64);
- __uint(max_entries, 10000);
+ __uint(max_entries, MAX_ENTRIES);
} start SEC(".maps");
struct wokeby_t {
@@ -51,14 +52,14 @@ struct {
__uint(type, BPF_MAP_TYPE_HASH);
__type(key, u32);
__type(value, struct wokeby_t);
- __uint(max_entries, 10000);
+ __uint(max_entries, MAX_ENTRIES);
} wokeby SEC(".maps");
struct {
__uint(type, BPF_MAP_TYPE_STACK_TRACE);
__uint(key_size, sizeof(u32));
__uint(value_size, PERF_MAX_STACK_DEPTH * sizeof(u64));
- __uint(max_entries, 10000);
+ __uint(max_entries, MAX_ENTRIES);
} stackmap SEC(".maps");
#define STACKID_FLAGS (0 | BPF_F_FAST_STACK_CMP)
--
2.17.1
next reply other threads:[~2021-08-15 6:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-15 6:50 Muhammad Falak R Wani [this message]
2021-08-15 7:20 ` [PATCH] samples: bpf: offwaketime: define MAX_ENTRIES instead of a magic number patchwork-bot+netdevbpf
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