summaryrefslogtreecommitdiff
path: root/samples/bpf/tracex6_kern.c
diff options
context:
space:
mode:
Diffstat (limited to 'samples/bpf/tracex6_kern.c')
-rw-r--r--samples/bpf/tracex6_kern.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/samples/bpf/tracex6_kern.c b/samples/bpf/tracex6_kern.c
deleted file mode 100644
index 46c557afac73..000000000000
--- a/samples/bpf/tracex6_kern.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <linux/ptrace.h>
-#include <linux/version.h>
-#include <uapi/linux/bpf.h>
-#include "bpf_helpers.h"
-
-struct bpf_map_def SEC("maps") counters = {
- .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(u32),
- .max_entries = 64,
-};
-struct bpf_map_def SEC("maps") values = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(int),
- .value_size = sizeof(u64),
- .max_entries = 64,
-};
-struct bpf_map_def SEC("maps") values2 = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(int),
- .value_size = sizeof(struct bpf_perf_event_value),
- .max_entries = 64,
-};
-
-SEC("kprobe/htab_map_get_next_key")
-int bpf_prog1(struct pt_regs *ctx)
-{
- u32 key = bpf_get_smp_processor_id();
- u64 count, *val;
- s64 error;
-
- count = bpf_perf_event_read(&counters, key);
- error = (s64)count;
- if (error <= -2 && error >= -22)
- return 0;
-
- val = bpf_map_lookup_elem(&values, &key);
- if (val)
- *val = count;
- else
- bpf_map_update_elem(&values, &key, &count, BPF_NOEXIST);
-
- return 0;
-}
-
-SEC("kprobe/htab_map_lookup_elem")
-int bpf_prog2(struct pt_regs *ctx)
-{
- u32 key = bpf_get_smp_processor_id();
- struct bpf_perf_event_value *val, buf;
- int error;
-
- error = bpf_perf_event_read_value(&counters, key, &buf, sizeof(buf));
- if (error)
- return 0;
-
- val = bpf_map_lookup_elem(&values2, &key);
- if (val)
- *val = buf;
- else
- bpf_map_update_elem(&values2, &key, &buf, BPF_NOEXIST);
-
- return 0;
-}
-
-char _license[] SEC("license") = "GPL";
-u32 _version SEC("version") = LINUX_VERSION_CODE;