fergalmoran/ladybird
1
0
Fork 0
mirror of https://github.com/fergalmoran/ladybird.git synced 2025-12-31 13:48:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Add 'boot_prof' option to enable full system profiling on boot

Browse Source 
The full system profiling functionality is useful for profiling the
boot performance of the system. Add a new kernel boot option to start
the system with profiling enabled. This lets you disable and view a
profile once the system is booted.

You can use it by running:
```
$ run.sh qcmd boot_prof
```
This commit is contained in:
Brian Gianforcaro
2021-03-03 01:00:41 -08:00
committed by Andreas Kling
parent 0f424afd5a
commit afe099388e
3 changed files with 13 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
Kernel/init.cpp
View File

@@ -246,7 +246,7 @@ void init_stage2(void*)
FinalizerTask::spawn();
PCI::initialize();
auto boot_profiling = kernel_command_line().is_boot_profiling_enabled();
auto is_text_mode = kernel_command_line().is_text_mode();
if (is_text_mode) {
dbgln("Text mode enabled");
@@ -319,6 +319,12 @@ void init_stage2(void*)
}
thread->set_priority(THREAD_PRIORITY_HIGH);
if (boot_profiling) {
dbgln("Starting full system boot profiling");
auto result = Process::current()->sys$profiling_enable(-1);
VERIFY(!result.is_error());
}
NetworkTask::spawn();
Process::current()->sys$exit(0);