Bananymous
/
banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel: Fix possible division by zero in scheduler

This commit is contained in:
Bananymous 2025-06-25 10:39:08 +03:00
parent 6fa7fe26dc
commit 6d3d41abe2
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
kernel/kernel/Scheduler.cpp
View File

@ -458,9 +458,14 @@ namespace Kernel
else
{
const uint64_t duration_ns = current_ns - m_last_load_balance_ns;
const uint64_t max_thread_load_x1000 = 1000 * m_most_loaded_threads.front().node->time_used_ns / duration_ns;
const uint64_t max_load_thread_count = ((2000 / max_thread_load_x1000) + 1) / 2;
s_processor_infos[Processor::current_id().as_u32()].max_load_threads = max_load_thread_count;
const uint64_t max_thread_load_x1000 = 1000 * most_loaded_thread.node->time_used_ns / duration_ns;
if (max_thread_load_x1000 == 0)
s_processor_infos[Processor::current_id().as_u32()].max_load_threads = 0;
else
{
const uint64_t max_load_thread_count = ((2000 / max_thread_load_x1000) + 1) / 2;
s_processor_infos[Processor::current_id().as_u32()].max_load_threads = max_load_thread_count;
}
}
}