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set default readahead size to 128KB if permission is needed

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Lizonghang 2024-12-03 22:55:16 +04:00
parent 1a7237636e
commit 74dbec5086
1 changed files with 2 additions and 3 deletions
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5
common/profiler.cpp
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@ -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];