主从同步性能优化，主从同步性能测试。

2026-02-01 16:49:50 +00:00
parent 003566b69a
commit 6d1a50cf88
31 changed files with 2119 additions and 400 deletions
--- a/ebpf/old.c/replica.bpf.c
+++ b/ebpf/old.c/replica.bpf.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright (c) 2020 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+#include "replica.h"
+
+char LICENSE[] SEC("license") = "Dual BSD/GPL";
+
+struct {
+    __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+    __uint(key_size, sizeof(int));
+    __uint(value_size, sizeof(int));
+} events SEC(".maps");
+
+/* __completed_cmd(const uint8_t *cmd, size_t len, unsigned long long seq); */
+SEC("uprobe//home/lian/share/9.1-kvstore/kvstore:__completed_cmd")
+int BPF_KPROBE(handle_completed_cmd,
+               const __u8 *cmd, size_t len, __u64 seq)
+{
+    struct replica_event evt = {};
+    __u32 copy_len;
+
+    evt.type = EVENT_COMPLETED_CMD;
+    evt.complete.seq = seq;
+
+    copy_len = len;
+    if (copy_len > MAX_CMD_LEN)
+        copy_len = MAX_CMD_LEN;
+
+    evt.complete.len = copy_len;
+
+    if (cmd)
+        bpf_probe_read_user(evt.complete.cmd, copy_len, cmd);
+
+    bpf_perf_event_output(ctx, &events,
+                          BPF_F_CURRENT_CPU,
+                          &evt, sizeof(evt));
+    return 0;
+}
+
+/* __ssync(const uint8_t *ip, uint32_t ip_len, int port, unsigned long long seq); */
+SEC("uprobe//home/lian/share/9.1-kvstore/kvstore:__ssync")
+int BPF_KPROBE(handle_ssync,
+               const __u8 *ip, __u32 ip_len, int port, __u64 seq)
+{
+    struct replica_event evt = {};
+
+    evt.type = EVENT_SSYNC;
+    evt.sync.seq = seq;
+    evt.sync.port = port;
+
+    __u32 copy_len = ip_len;
+    if (copy_len > sizeof(evt.sync.ip))
+        copy_len = sizeof(evt.sync.ip);
+
+    if (ip)
+        bpf_probe_read_user(evt.sync.ip, copy_len, ip);
+
+    bpf_perf_event_output(ctx, &events,
+                          BPF_F_CURRENT_CPU,
+                          &evt, sizeof(evt));
+    return 0;
+}
+
+/* __sready(void); */
+SEC("uprobe//home/lian/share/9.1-kvstore/kvstore:__sready")
+int BPF_KPROBE(handle_sready)
+{
+    struct replica_event evt = {};
+
+    evt.type = EVENT_SREADY;
+
+    bpf_perf_event_output(ctx, &events,
+                          BPF_F_CURRENT_CPU,
+                          &evt, sizeof(evt));
+    return 0;
+}