diff --git a/agent/src/config/config.rs b/agent/src/config/config.rs
index f4cd99e04df..cf7a4c4fe2f 100644
--- a/agent/src/config/config.rs
+++ b/agent/src/config/config.rs
@@ -1153,6 +1153,7 @@ pub struct EbpfProfileLanguages {
pub python_disabled: bool,
pub php_disabled: bool,
pub nodejs_disabled: bool,
+ pub lua_disabled: bool,
}
impl Default for EbpfProfileLanguages {
@@ -1161,6 +1162,7 @@ impl Default for EbpfProfileLanguages {
python_disabled: false,
php_disabled: false,
nodejs_disabled: false,
+ lua_disabled: false,
}
}
}
diff --git a/agent/src/ebpf/kernel/perf_profiler.bpf.c b/agent/src/ebpf/kernel/perf_profiler.bpf.c
index 803cdafed43..b48a9409bea 100644
--- a/agent/src/ebpf/kernel/perf_profiler.bpf.c
+++ b/agent/src/ebpf/kernel/perf_profiler.bpf.c
@@ -99,15 +99,17 @@ typedef struct {
} stack_t;
/*
- * Stack map for interpreter stacks (Python, PHP, V8).
+ * Stack map for interpreter stacks (Python, PHP, V8, Lua).
* Now uses stack_t to store frame_types and extra_data.
* Due to the limitation of the number of eBPF instruction in kernel, this
* feature is suitable for Linux5.2+
*
* Map sizes are configured in user space program
*/
-MAP_HASH(custom_stack_map_a, __u32, stack_t, 1, FEATURE_FLAG_DWARF_UNWINDING)
-MAP_HASH(custom_stack_map_b, __u32, stack_t, 1, FEATURE_FLAG_DWARF_UNWINDING)
+MAP_HASH(custom_stack_map_a, __u32, stack_t, 1,
+ FEATURE_FLAG_DWARF_UNWINDING | FEATURE_FLAG_PROFILE_LUA)
+MAP_HASH(custom_stack_map_b, __u32, stack_t, 1,
+ FEATURE_FLAG_DWARF_UNWINDING | FEATURE_FLAG_PROFILE_LUA)
/*
* The following maps are used for DWARF based unwinding
@@ -312,7 +314,7 @@ MAP_HASH(lua_tstate_map, __u32, struct lua_state_cache_t, LUA_TSTATE_ENTRIES, FE
/* Records which Lua runtime a process uses (key: tgid, value: LANG_* bitmask).
* Memory: LUA_TSTATE_ENTRIES(65536) * (key 4B + value 4B + hash header) -> roughly sub‑MB.
*/
-MAP_HASH(lang_flags_map, __u32, __u32, LUA_TSTATE_ENTRIES, FEATURE_FLAG_PROFILE_ONCPU)
+MAP_HASH(lua_lang_flags_map, __u32, __u32, LUA_TSTATE_ENTRIES, FEATURE_FLAG_PROFILE_ONCPU)
/* Per-process Lua unwinding metadata (key: tgid, value: lua_unwind_info_t).
* Memory: LUA_TSTATE_ENTRIES(65536) * (key 4B + value 16B + hash header) -> roughly low MB.
*/
@@ -909,7 +911,7 @@ PERF_EVENT_PROG(oncpu_profile) (struct bpf_perf_event_data * ctx) {
pre_python_unwind(ctx, state, &oncpu_maps, PROG_PYTHON_UNWIND_PE_IDX);
}
- __u32 *flags = lang_flags_map__lookup(&key->tgid);
+ __u32 *flags = lua_lang_flags_map__lookup(&key->tgid);
if (flags && (*flags & (LANG_LUA | LANG_LUAJIT))) {
state->lua_is_jit = (*flags & LANG_LUAJIT) ? 1 : 0;
diff --git a/agent/src/ebpf/mod.rs b/agent/src/ebpf/mod.rs
index f70df95393a..f7baed017a7 100644
--- a/agent/src/ebpf/mod.rs
+++ b/agent/src/ebpf/mod.rs
@@ -128,6 +128,8 @@ pub const FEATURE_PROFILE_PYTHON: c_int = 9;
pub const FEATURE_PROFILE_PHP: c_int = 10;
#[allow(dead_code)]
pub const FEATURE_PROFILE_V8: c_int = 11;
+#[allow(dead_code)]
+pub const FEATURE_PROFILE_LUA: c_int = 12;
//追踪器当前状态
#[allow(dead_code)]
diff --git a/agent/src/ebpf/user/config.h b/agent/src/ebpf/user/config.h
index 3c4eb476cc3..8128fe518fd 100644
--- a/agent/src/ebpf/user/config.h
+++ b/agent/src/ebpf/user/config.h
@@ -89,7 +89,7 @@
#define PROG_ONCPU_OUTPUT_FOR_PE "df_PE_oncpu_output"
// lua related maps
-#define MAP_LUA_LANG_FLAGS_NAME "__lang_flags_map"
+#define MAP_LUA_LANG_FLAGS_NAME "__lua_lang_flags_map"
#define MAP_LUA_UNWIND_INFO_NAME "__lua_unwind_info_map"
#define MAP_LUA_OFFSETS_NAME "__lua_offsets_map"
#define MAP_LUAJIT_OFFSETS_NAME "__luajit_offsets_map"
@@ -170,6 +170,7 @@ enum cfg_feature_idx {
FEATURE_PROFILE_PYTHON,
FEATURE_PROFILE_PHP,
FEATURE_PROFILE_V8,
+ FEATURE_PROFILE_LUA,
FEATURE_MAX,
};
@@ -184,6 +185,7 @@ enum cfg_feature_idx {
#define FEATURE_FLAG_PROFILE_PYTHON (1 << FEATURE_PROFILE_PYTHON)
#define FEATURE_FLAG_PROFILE_PHP (1 << FEATURE_PROFILE_PHP)
#define FEATURE_FLAG_PROFILE_V8 (1 << FEATURE_PROFILE_V8)
+#define FEATURE_FLAG_PROFILE_LUA (1 << FEATURE_PROFILE_LUA)
#define FEATURE_FLAG_PROFILE (FEATURE_FLAG_PROFILE_ONCPU | FEATURE_FLAG_PROFILE_OFFCPU | FEATURE_FLAG_PROFILE_MEMORY)
diff --git a/agent/src/ebpf/user/load.c b/agent/src/ebpf/user/load.c
index 36570f51722..7dbb2e060e3 100644
--- a/agent/src/ebpf/user/load.c
+++ b/agent/src/ebpf/user/load.c
@@ -970,6 +970,9 @@ int ebpf_obj_load(struct ebpf_object *obj)
if (!python_profiler_enabled()) {
enabled_feats &= ~FEATURE_FLAG_PROFILE_PYTHON;
}
+ if (!lua_profiler_enabled()) {
+ enabled_feats &= ~FEATURE_FLAG_PROFILE_LUA;
+ }
enabled_feats &= ~extended_feature_flags(map);
if (enabled_feats == 0 &&
map->def.type != BPF_MAP_TYPE_PROG_ARRAY &&
@@ -991,7 +994,8 @@ int ebpf_obj_load(struct ebpf_object *obj)
}
// Log language profiler map creation with max_entries for verification
if (strstr(map->name, "php_") || strstr(map->name, "v8_") ||
- strstr(map->name, "python_")) {
+ strstr(map->name, "python_") || strstr(map->name, "lua_") ||
+ strstr(map->name, "luajit_")) {
ebpf_info
("Language profiler map created: name=%s, max_entries=%d (1 means disabled)\n",
map->name, map->def.max_entries);
diff --git a/agent/src/ebpf/user/profile/perf_profiler.c b/agent/src/ebpf/user/profile/perf_profiler.c
index db47a3fafc3..c34a6f5daa0 100644
--- a/agent/src/ebpf/user/profile/perf_profiler.c
+++ b/agent/src/ebpf/user/profile/perf_profiler.c
@@ -327,7 +327,11 @@ static int create_profiler(struct bpf_tracer *tracer)
if ((ret = maps_config(tracer, MAP_STACK_B_NAME, cap)))
return ret;
- if (get_dwarf_enabled() && (major > 5 || (major == 5 && minor >= 2))) {
+ bool kernel_supports_custom_stack_maps =
+ (major > 5 || (major == 5 && minor >= 2));
+ bool need_custom_stack_maps =
+ get_dwarf_enabled() || lua_profiler_enabled();
+ if (kernel_supports_custom_stack_maps && need_custom_stack_maps) {
if ((ret = maps_config(tracer, MAP_CUSTOM_STACK_A_NAME, cap))) {
return ret;
}
@@ -335,7 +339,9 @@ static int create_profiler(struct bpf_tracer *tracer)
if ((ret = maps_config(tracer, MAP_CUSTOM_STACK_B_NAME, cap))) {
return ret;
}
+ }
+ if (get_dwarf_enabled() && kernel_supports_custom_stack_maps) {
if ((ret =
maps_config(tracer, MAP_PROCESS_SHARD_LIST_NAME,
get_dwarf_process_map_size()))) {
diff --git a/agent/src/ebpf/user/tracer.c b/agent/src/ebpf/user/tracer.c
index e696c6acf6e..680a08098b0 100644
--- a/agent/src/ebpf/user/tracer.c
+++ b/agent/src/ebpf/user/tracer.c
@@ -2018,6 +2018,11 @@ bool python_profiler_enabled(void)
return is_feature_regex_set(FEATURE_PROFILE_PYTHON);
}
+bool lua_profiler_enabled(void)
+{
+ return is_feature_regex_set(FEATURE_PROFILE_LUA);
+}
+
static void init_thread_ids(void)
{
thread_ids.entries = NULL;
diff --git a/agent/src/ebpf/user/tracer.h b/agent/src/ebpf/user/tracer.h
index d341e9cf10e..202f114837f 100644
--- a/agent/src/ebpf/user/tracer.h
+++ b/agent/src/ebpf/user/tracer.h
@@ -627,6 +627,7 @@ bool is_feature_regex_set(int feature);
bool php_profiler_enabled(void);
bool v8_profiler_enabled(void);
bool python_profiler_enabled(void);
+bool lua_profiler_enabled(void);
int bpf_tracer_init(const char *log_file, bool is_stdout);
int tracer_bpf_load(struct bpf_tracer *tracer);
int tracer_probes_init(struct bpf_tracer *tracer);
diff --git a/agent/src/ebpf/user/unwind_tracer.c b/agent/src/ebpf/user/unwind_tracer.c
index b7bab0c1d4e..69225ba158b 100644
--- a/agent/src/ebpf/user/unwind_tracer.c
+++ b/agent/src/ebpf/user/unwind_tracer.c
@@ -307,32 +307,34 @@ int unwind_tracer_init(struct bpf_tracer *tracer) {
pthread_mutex_unlock(&g_v8_unwind_table_lock);
}
- int lua_lang_fd = bpf_table_get_fd(tracer, MAP_LUA_LANG_FLAGS_NAME);
- int lua_unwind_info_fd = bpf_table_get_fd(tracer, MAP_LUA_UNWIND_INFO_NAME);
- int lua_offsets_fd = bpf_table_get_fd(tracer, MAP_LUA_OFFSETS_NAME);
- int luajit_offsets_fd = bpf_table_get_fd(tracer, MAP_LUAJIT_OFFSETS_NAME);
-
- if (lua_lang_fd < 0 || lua_unwind_info_fd < 0 || lua_offsets_fd < 0 || luajit_offsets_fd < 0) {
- ebpf_warning("Failed to get lua profiling map fds (lang:%d unwind:%d lua_ofs:%d lj_ofs:%d)\n",
- lua_lang_fd, lua_unwind_info_fd, lua_offsets_fd, luajit_offsets_fd);
- return -1;
- }
+ if (lua_profiler_enabled()) {
+ int lua_lang_fd = bpf_table_get_fd(tracer, MAP_LUA_LANG_FLAGS_NAME);
+ int lua_unwind_info_fd = bpf_table_get_fd(tracer, MAP_LUA_UNWIND_INFO_NAME);
+ int lua_offsets_fd = bpf_table_get_fd(tracer, MAP_LUA_OFFSETS_NAME);
+ int luajit_offsets_fd = bpf_table_get_fd(tracer, MAP_LUAJIT_OFFSETS_NAME);
+
+ if (lua_lang_fd < 0 || lua_unwind_info_fd < 0 || lua_offsets_fd < 0 || luajit_offsets_fd < 0) {
+ ebpf_warning("Failed to get lua profiling map fds (lang:%d unwind:%d lua_ofs:%d lj_ofs:%d)\n",
+ lua_lang_fd, lua_unwind_info_fd, lua_offsets_fd, luajit_offsets_fd);
+ return -1;
+ }
- lua_unwind_table_t *lua_table =
- lua_unwind_table_create(lua_lang_fd, lua_unwind_info_fd, lua_offsets_fd, luajit_offsets_fd);
- if (lua_table == NULL) {
- ebpf_warning("Failed to create lua unwind table\n");
- return -1;
- }
- lua_set_map_fds(lua_lang_fd, lua_unwind_info_fd, lua_offsets_fd, luajit_offsets_fd);
+ lua_unwind_table_t *lua_table =
+ lua_unwind_table_create(lua_lang_fd, lua_unwind_info_fd, lua_offsets_fd, luajit_offsets_fd);
+ if (lua_table == NULL) {
+ ebpf_warning("Failed to create lua unwind table\n");
+ return -1;
+ }
+ lua_set_map_fds(lua_lang_fd, lua_unwind_info_fd, lua_offsets_fd, luajit_offsets_fd);
- pthread_mutex_lock(&g_lua_unwind_table_lock);
- g_lua_unwind_table = lua_table;
- pthread_mutex_unlock(&g_lua_unwind_table_lock);
+ pthread_mutex_lock(&g_lua_unwind_table_lock);
+ g_lua_unwind_table = lua_table;
+ pthread_mutex_unlock(&g_lua_unwind_table_lock);
- if (dwarf_available() && get_dwarf_enabled() && tracer) {
- lua_queue_existing_processes(tracer);
- }
+ if (dwarf_available() && tracer) {
+ lua_queue_existing_processes(tracer);
+ }
+ }
return 0;
}
@@ -422,7 +424,7 @@ static void lua_queue_existing_processes(struct bpf_tracer *tracer)
{
DIR *dir = NULL;
struct dirent *entry = NULL;
- if (tracer == NULL || tracer->state != TRACER_RUNNING) {
+ if (tracer == NULL) {
return;
}
@@ -529,7 +531,11 @@ void unwind_tracer_drop() {
}
void unwind_process_exec(int pid) {
- if (!dwarf_available() || !get_dwarf_enabled()) {
+ if (!dwarf_available()) {
+ return;
+ }
+
+ if (!get_dwarf_enabled() && !lua_profiler_enabled()) {
return;
}
@@ -543,7 +549,11 @@ void unwind_process_exec(int pid) {
// Process events in the queue
void unwind_events_handle(void) {
- if (!dwarf_available() || !get_dwarf_enabled()) {
+ if (!dwarf_available()) {
+ return;
+ }
+
+ if (!get_dwarf_enabled() && !lua_profiler_enabled()) {
return;
}
@@ -565,7 +575,7 @@ void unwind_events_handle(void) {
}
tracer = event->tracer;
- if (tracer && python_profiler_enabled() && is_python_process(event->pid)) {
+ if (tracer && get_dwarf_enabled() && python_profiler_enabled() && is_python_process(event->pid)) {
python_unwind_table_load(g_python_unwind_table, event->pid);
pthread_mutex_lock(&tracer->mutex_probes_lock);
python_parse_and_register(event->pid, tracer->tps);
@@ -574,17 +584,17 @@ void unwind_events_handle(void) {
pthread_mutex_unlock(&tracer->mutex_probes_lock);
}
- if (tracer && php_profiler_enabled() && is_php_process(event->pid)) {
+ if (tracer && get_dwarf_enabled() && php_profiler_enabled() && is_php_process(event->pid)) {
php_unwind_table_load(g_php_unwind_table, event->pid);
// Note: PHP profiling doesn't require uprobe registration like Python
}
- if (tracer && v8_profiler_enabled() && is_v8_process(event->pid)) {
+ if (tracer && get_dwarf_enabled() && v8_profiler_enabled() && is_v8_process(event->pid)) {
v8_unwind_table_load(g_v8_unwind_table, event->pid);
// Note: V8 profiling doesn't require uprobe registration like Python
}
- if (tracer && is_lua_process(event->pid)) {
+ if (tracer && lua_profiler_enabled() && is_lua_process(event->pid)) {
if (g_lua_unwind_table) {
lua_unwind_table_load(g_lua_unwind_table, event->pid);
}
@@ -612,7 +622,11 @@ void unwind_events_handle(void) {
// Process exit, reclaim resources
void unwind_process_exit(int pid) {
- if (!dwarf_available() || !get_dwarf_enabled()) {
+ if (!dwarf_available()) {
+ return;
+ }
+
+ if (!get_dwarf_enabled() && !lua_profiler_enabled()) {
return;
}
diff --git a/agent/src/ebpf_dispatcher.rs b/agent/src/ebpf_dispatcher.rs
index 382cd5f06b3..a1e6fa233c5 100644
--- a/agent/src/ebpf_dispatcher.rs
+++ b/agent/src/ebpf_dispatcher.rs
@@ -1071,6 +1071,12 @@ impl EbpfCollector {
CString::new(".*").unwrap().as_c_str().as_ptr(),
);
}
+ if !languages.lua_disabled {
+ ebpf::set_feature_regex(
+ ebpf::FEATURE_PROFILE_LUA,
+ CString::new(".*").unwrap().as_c_str().as_ptr(),
+ );
+ }
#[cfg(feature = "extended_observability")]
{
diff --git a/server/agent_config/README-CH.md b/server/agent_config/README-CH.md
index 7ffc6c3108d..1a6147ec727 100644
--- a/server/agent_config/README-CH.md
+++ b/server/agent_config/README-CH.md
@@ -5026,8 +5026,76 @@ inputs:
**详细描述**:
-禁用 Node.js（V8）解释器剖析。禁用后将不采集 Node.js 进程的函数调用栈，
-可节省约 6.4 MB 内核内存（v8_unwind_info_map）。
+禁用 Node.js (V8 引擎) 剖析功能。禁用后将不会采集 Node.js 进程的函数调用栈，可节省约 6.4 MB 的内核内存。
+
+此配置项控制以下 eBPF map 的创建：
+- `v8_unwind_info_map`：存储进程级 unwinding 信息，包括 V8 内部结构偏移量 (~6.4 MB)
+
+适用场景：
+- 环境中确定不运行 Node.js 应用
+- 仅关注其他语言的性能分析
+- 内存受限的环境需要优化资源使用
+
+**重要提示**：修改此配置将自动触发 deepflow-agent 重启，因为 eBPF maps 无法在运行时动态创建或销毁。
+
+##### 禁用 Lua 剖析 {#inputs.ebpf.profile.languages.lua_disabled}
+
+**标签**:
+
+agent_restart
+
+**FQCN**:
+
+`inputs.ebpf.profile.languages.lua_disabled`
+
+**默认值**:
+```yaml
+inputs:
+ ebpf:
+ profile:
+ languages:
+ lua_disabled: false
+```
+
+**模式**:
+| Key | Value |
+| ---- | ---------------------------- |
+| Type | bool |
+
+**详细描述**:
+
+禁用 Lua 解释器剖析功能。禁用后将不会采集 Lua 进程的函数调用栈，可节省约 13 MB 的内核内存。
+
+此配置项控制以下 eBPF maps 的创建：
+- `lua_tstate_map`：缓存每线程 lua_State 栈（按线程，容量较大，约 7 MB）
+- `lua_lang_flags_map`：记录进程 Lua/LuaJIT 类型标记（约 2.5 MB）
+- `lua_unwind_info_map`：存储进程级 unwinding 元信息（约 3 MB）
+- `lua_offsets_map`、`luajit_offsets_map`：存储 Lua/LuaJIT 结构偏移表（总计 < 2 KB）
+
+适用场景：
+- 环境中确定不运行 Lua/LuaJIT 应用（如 OpenResty/nginx-lua）
+- 仅关注其他语言的性能分析
+- 内存受限的环境需要优化资源使用
+
+**重要提示**：修改此配置将自动触发 deepflow-agent 重启，因为 eBPF maps 无法在运行时动态创建或销毁。
+
+**内存节省效果总结**：
+
+| 配置方式 | Python | PHP | Node.js | Lua | 总计内存占用 | 节省内存 |
+| -------- | ------ | --- | ------- | --- | ----------- | -------- |
+| 全部启用（默认） | 6.1 MB | 5.2 MB | 6.4 MB | ~13 MB | ~30-33 MB | 0 MB |
+| 仅 Python | 6.1 MB | 0 MB | 0 MB | 0 MB | ~6.1 MB | ~24-27 MB |
+| 仅 PHP | 0 MB | 5.2 MB | 0 MB | 0 MB | ~5.2 MB | ~25-28 MB |
+| 仅 Node.js | 0 MB | 0 MB | 6.4 MB | 0 MB | ~6.4 MB | ~23-26 MB |
+| 仅 Lua | 0 MB | 0 MB | 0 MB | ~13 MB | ~13 MB | ~17-20 MB |
+| 全部禁用 | 0 MB | 0 MB | 0 MB | 0 MB | ~0 MB | ~30-33 MB |
+
+**注意事项**：
+- 修改语言开关需要重启 deepflow-agent 才能生效
+- eBPF maps 使用预分配机制，空载和满载占用相同的内核内存
+- 禁用时，对应语言的 eBPF maps 会被创建但 max_entries 设为 1（最小化内存占用）
+- 禁用时，不会创建对应语言的 unwind table，也不会加载进程的 unwinding 信息
+- 禁用不需要的语言除了节省内存，还能减少 CPU 开销
### 调优 {#inputs.ebpf.tunning}
diff --git a/server/agent_config/README.md b/server/agent_config/README.md
index 57865a50364..143f514f655 100644
--- a/server/agent_config/README.md
+++ b/server/agent_config/README.md
@@ -5159,6 +5159,53 @@ inputs:
Disable Node.js (V8) interpreter profiling. When disabled, Node.js process stack traces will not be collected,
saving approximately 6.4 MB of kernel memory (v8_unwind_info_map).
+**Important**: Changing this configuration will automatically trigger deepflow-agent restart, as eBPF maps cannot be dynamically created or destroyed at runtime.
+
+##### Lua profiling disabled {#inputs.ebpf.profile.languages.lua_disabled}
+
+**Tags**:
+
+agent_restart
+
+**FQCN**:
+
+`inputs.ebpf.profile.languages.lua_disabled`
+
+**Default value**:
+```yaml
+inputs:
+ ebpf:
+ profile:
+ languages:
+ lua_disabled: false
+```
+
+**Schema**:
+| Key | Value |
+| ---- | ---------------------------- |
+| Type | bool |
+
+**Description**:
+
+Disable Lua interpreter profiling. When disabled, Lua process stack traces will not be collected, saving approximately 13 MB of kernel memory (lua_tstate_map, lua_lang_flags_map, lua_unwind_info_map, lua_offsets_map, luajit_offsets_map).
+
+**Important**: Changing this configuration will automatically trigger deepflow-agent restart, as eBPF maps cannot be dynamically created or destroyed at runtime.
+
+**Memory saving summary**:
+- All enabled (default): ~30-33 MB
+- Python only: ~6.1 MB (saves ~24-27 MB)
+- PHP only: ~5.2 MB (saves ~25-28 MB)
+- Node.js only: ~6.4 MB (saves ~23-26 MB)
+- Lua only: ~13 MB (saves ~17-20 MB)
+- All disabled: ~0 MB (saves ~30-33 MB)
+
+**Notes**:
+- Changing language switches requires deepflow-agent restart
+- eBPF maps use pre-allocation mechanism (same memory usage whether empty or full)
+- When disabled, language-specific eBPF maps are created with max_entries=1 (minimized memory)
+- When disabled, unwind tables are not created and process unwinding info is not loaded
+- Disabling unused languages saves memory and reduces CPU overhead
+
### Tunning {#inputs.ebpf.tunning}
#### Collector Queue Size {#inputs.ebpf.tunning.collector_queue_size}
diff --git a/server/agent_config/template.yaml b/server/agent_config/template.yaml
index 65dff610bb7..f12a000e785 100644
--- a/server/agent_config/template.yaml
+++ b/server/agent_config/template.yaml
@@ -3757,6 +3757,23 @@ inputs:
# 禁用 Node.js（V8）解释器剖析。禁用后将不采集 Node.js 进程的函数调用栈，
# 可节省约 6.4 MB 内核内存（v8_unwind_info_map）。
nodejs_disabled: false
+ # type: bool
+ # name:
+ # en: Lua profiling disabled
+ # ch: 禁用 Lua 剖析
+ # unit:
+ # range: []
+ # enum_options: []
+ # modification: agent_restart
+ # ee_feature: false
+ # description:
+ # en: |-
+ # Disable Lua interpreter profiling. When disabled, Lua process stack traces will not be collected,
+ # saving approximately 13 MB of kernel memory (lua_tstate_map, lua_lang_flags_map, lua_unwind_info_map, lua_offsets_map, luajit_offsets_map).
+ # ch: |-
+ # 禁用 Lua 解释器剖析。禁用后将不采集 Lua 进程的函数调用栈，
+ # 可节省约 13 MB 内核内存（lua_tstate_map、lua_lang_flags_map、lua_unwind_info_map、lua_offsets_map、luajit_offsets_map）。
+ lua_disabled: false
# type: section
# name:
# en: Tunning