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Message-Id: <20240602225812.81171-1-beaujardswan@gmail.com>
Date: Mon, 3 Jun 2024 00:58:12 +0200
From: Swan Beaujard <beaujardswan@...il.com>
To:
Cc: beaujardswan@...il.com,
Quentin Monnet <qmo@...nel.org>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Andrii Nakryiko <andrii@...nel.org>,
Martin KaFai Lau <martin.lau@...ux.dev>,
Eduard Zingerman <eddyz87@...il.com>,
Song Liu <song@...nel.org>,
Yonghong Song <yonghong.song@...ux.dev>,
John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...nel.org>,
Stanislav Fomichev <sdf@...gle.com>,
Hao Luo <haoluo@...gle.com>,
Jiri Olsa <jolsa@...nel.org>,
bpf@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] tools/bpf: matric typo erro
Corrected typo in bpftool profiler.
Changed all instances of 'MATRICS' to 'METRICS' in the profiler.bpf.c file.
Signed-off-by: Swan Beaujard <beaujardswan@...il.com>
---
tools/bpf/bpftool/skeleton/profiler.bpf.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/tools/bpf/bpftool/skeleton/profiler.bpf.c b/tools/bpf/bpftool/skeleton/profiler.bpf.c
index 2f80edc68..f48c783cb 100644
--- a/tools/bpf/bpftool/skeleton/profiler.bpf.c
+++ b/tools/bpf/bpftool/skeleton/profiler.bpf.c
@@ -40,17 +40,17 @@ struct {
const volatile __u32 num_cpu = 1;
const volatile __u32 num_metric = 1;
-#define MAX_NUM_MATRICS 4
+#define MAX_NUM_METRICS 4
SEC("fentry/XXX")
int BPF_PROG(fentry_XXX)
{
- struct bpf_perf_event_value___local *ptrs[MAX_NUM_MATRICS];
+ struct bpf_perf_event_value___local *ptrs[MAX_NUM_METRICS];
u32 key = bpf_get_smp_processor_id();
u32 i;
/* look up before reading, to reduce error */
- for (i = 0; i < num_metric && i < MAX_NUM_MATRICS; i++) {
+ for (i = 0; i < num_metric && i < MAX_NUM_METRICS; i++) {
u32 flag = i;
ptrs[i] = bpf_map_lookup_elem(&fentry_readings, &flag);
@@ -58,7 +58,7 @@ int BPF_PROG(fentry_XXX)
return 0;
}
- for (i = 0; i < num_metric && i < MAX_NUM_MATRICS; i++) {
+ for (i = 0; i < num_metric && i < MAX_NUM_METRICS; i++) {
struct bpf_perf_event_value___local reading;
int err;
@@ -99,14 +99,14 @@ fexit_update_maps(u32 id, struct bpf_perf_event_value___local *after)
SEC("fexit/XXX")
int BPF_PROG(fexit_XXX)
{
- struct bpf_perf_event_value___local readings[MAX_NUM_MATRICS];
+ struct bpf_perf_event_value___local readings[MAX_NUM_METRICS];
u32 cpu = bpf_get_smp_processor_id();
u32 i, zero = 0;
int err;
u64 *count;
/* read all events before updating the maps, to reduce error */
- for (i = 0; i < num_metric && i < MAX_NUM_MATRICS; i++) {
+ for (i = 0; i < num_metric && i < MAX_NUM_METRICS; i++) {
err = bpf_perf_event_read_value(&events, cpu + i * num_cpu,
(void *)(readings + i),
sizeof(*readings));
@@ -116,7 +116,7 @@ int BPF_PROG(fexit_XXX)
count = bpf_map_lookup_elem(&counts, &zero);
if (count) {
*count += 1;
- for (i = 0; i < num_metric && i < MAX_NUM_MATRICS; i++)
+ for (i = 0; i < num_metric && i < MAX_NUM_METRICS; i++)
fexit_update_maps(i, &readings[i]);
}
return 0;
--
2.39.3 (Apple Git-146)
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