From 63d16ca854fc8795e9b1314baaf715b78525a5a9 Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui3371@sina.com>
Date: Tue, 25 Aug 2026 16:30:04 +0800
Subject: [PATCH] Top: removes option `kernelTask` (never implemented)

---
 doc/json_schema.json     | 5 -----
 src/modules/top/option.h | 1 -
 src/modules/top/top.c    | 6 ++----
 3 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/doc/json_schema.json b/doc/json_schema.json
index 411cb9ce0..a34d00fcf 100644
--- a/doc/json_schema.json
+++ b/doc/json_schema.json
@@ -4466,11 +4466,6 @@
                                         "description": "Print all process on a single line",
                                         "default": false
                                     },
-                                    "kernelTask": {
-                                        "type": "boolean",
-                                        "description": "Whether to include kernel tasks (kworker, System, kernel_task) in the process list",
-                                        "default": false
-                                    },
                                     "percent": {
                                         "$ref": "#/$defs/percent"
                                     },
diff --git a/src/modules/top/option.h b/src/modules/top/option.h
index d40cff6fc..3b58118a2 100644
--- a/src/modules/top/option.h
+++ b/src/modules/top/option.h
@@ -17,7 +17,6 @@ typedef struct FFTopOptions {
     uint32_t waitTime;
     FFPercentageModuleConfig percent;
     bool compact;
-    bool kernelTask; // Whether to include kernel tasks (kworker, System, kernel_task) in the process list
 } FFTopOptions;
 
 static_assert(sizeof(FFTopOptions) <= FF_OPTION_MAX_SIZE, "FFTopOptions size exceeds maximum allowed size");
diff --git a/src/modules/top/top.c b/src/modules/top/top.c
index a8b924fe3..b36a3a1cc 100644
--- a/src/modules/top/top.c
+++ b/src/modules/top/top.c
@@ -138,7 +138,6 @@ void ffGenerateTopJsonConfig(FFTopOptions* options, yyjson_mut_doc* doc, yyjson_
     yyjson_mut_obj_add_uint(doc, module, "processes", options->nProcesses);
     yyjson_mut_obj_add_uint(doc, module, "waitTime", options->waitTime);
     yyjson_mut_obj_add_bool(doc, module, "compact", options->compact);
-    yyjson_mut_obj_add_bool(doc, module, "kernelTask", options->kernelTask);
     ffPercentGenerateJsonConfig(doc, module, options->percent);
 }
 
@@ -173,7 +172,6 @@ void ffInitTopOptions(FFTopOptions* options) {
     options->nProcesses = 5;
     options->waitTime = 500;
     options->compact = false;
-    options->kernelTask = false;
     options->percent = (FFPercentageModuleConfig){ 50, 80, 0 };
 }
 
@@ -218,8 +216,8 @@ FFModuleBaseInfo ffTopModuleInfo = {
         { "Process ID", "pid" },
         { "CPU usage", "cpu" },
         { "Memory usage (RSS) in bytes", "mem" },
-        { "Disk read bytes per second", "disk-read" },
-        { "Disk write bytes per second", "disk-write" },
+        { "Disk read bytes per second (0 if unsupported)", "disk-read" },
+        { "Disk write bytes per second (0 if unsupported)", "disk-write" },
         { "CPU usage percentage", "cpu-percentage" },
         { "Memory usage (RSS) formatted", "mem-formatted" },
         { "Disk read formatted", "disk-read-formatted" },