From 74dbec5086ee2f964b98944e9623b0797611ccd7 Mon Sep 17 00:00:00 2001
From: Lizonghang <870644199@qq.com>
Date: Tue, 3 Dec 2024 22:55:16 +0400
Subject: [PATCH] set default readahead size to 128KB if permission is needed

---
 common/profiler.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/common/profiler.cpp b/common/profiler.cpp
index ed493ee5..6a6bc72f 100644
--- a/common/profiler.cpp
+++ b/common/profiler.cpp
@@ -649,7 +649,6 @@ static size_t get_default_readahead_size() {
         file.close();
         return read_ahead_kb * 1024; // convert to bytes
     } else {
-        LOG_INF("Unable to open: %s\n", sysfs_path.c_str());
         return 0;
     }
 #elif __APPLE__
@@ -717,8 +716,8 @@ numjobs=%d
 
     size_t readahead_size = get_default_readahead_size();
     if (readahead_size == 0) {
-        LOG_INF("Error: Unable to get system readahead size\n");
-        return;
+        LOG_INF("Error: Unable to get system readahead size, use 128KB by default\n");
+        readahead_size = 128 * 1024;
     }
     // format the readahead size as a readable string (e.g., "128k" or "1m")
     char readahead_str[8];