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Kernel: Simplify some dbg() logging

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We don't have to log the process name/PID/TID, dbg() automatically adds
that as a prefix to every line.

Also we don't have to do .characters() on Strings passed to dbg() :^)
This commit is contained in:
Andreas Kling 2020-02-29 12:51:44 +01:00
parent c678b35043
commit 7cd1bdfd81
5 changed files with 38 additions and 43 deletions
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17
Kernel/VM/Region.cpp
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@ -28,10 +28,10 @@
#include <Kernel/Process.h>
#include <Kernel/Thread.h>
#include <Kernel/VM/AnonymousVMObject.h>
#include <Kernel/VM/SharedInodeVMObject.h>
#include <Kernel/VM/MemoryManager.h>
#include <Kernel/VM/PageDirectory.h>
#include <Kernel/VM/Region.h>
#include <Kernel/VM/SharedInodeVMObject.h>
//#define MM_DEBUG
//#define PAGE_FAULT_DEBUG
@ -80,7 +80,7 @@ NonnullOwnPtr<Region> Region::clone()
if (m_shared || vmobject().is_inode()) {
ASSERT(!m_stack);
#ifdef MM_DEBUG
dbg() << Process::current->name().characters() << "<" << Process::current->pid() << "> Region::clone(): sharing " << m_name.characters() << " (V" << String::format("%p", vaddr().get()) << ")";
dbg() << "Region::clone(): Sharing " << name() << " (" << vaddr() << ")";
#endif
// Create a new region backed by the same VMObject.
auto region = Region::create_user_accessible(m_range, m_vmobject, m_offset_in_vmobject, m_name, m_access);
@ -90,12 +90,10 @@ NonnullOwnPtr<Region> Region::clone()
}
#ifdef MM_DEBUG
// FIXME: If m_name.characters() is returning null pointer, the debug message will lead to a crash
// For now we use String::format() to mitigate that.
dbg() << Process::current->name().characters() << "<" << Process::current->pid() << "> Region::clone(): cowing " << String::format("%s", m_name.characters()) << " (V" << String::format("%p", vaddr().get()) << ")",
dbg() << "Region::clone(): CoWing " << name() << " (" << vaddr() << ")";
#endif
// Set up a COW region. The parent (this) region becomes COW as well!
ensure_cow_map().fill(true);
// Set up a COW region. The parent (this) region becomes COW as well!
ensure_cow_map().fill(true);
remap();
auto clone_region = Region::create_user_accessible(m_range, m_vmobject->clone(), m_offset_in_vmobject, m_name, m_access);
clone_region->ensure_cow_map();
@ -114,7 +112,7 @@ bool Region::commit()
{
InterruptDisabler disabler;
#ifdef MM_DEBUG
dbg() << "MM: commit " << vmobject().page_count() << " pages in Region " << this << " (VMO=" << &vmobject() << ") at V" << String::format("%p", vaddr().get());
dbg() << "MM: Commit " << page_count() << " pages in Region " << this << " (VMO=" << &vmobject() << ") at " << vaddr();
#endif
for (size_t i = 0; i < page_count(); ++i) {
if (!commit(i))
@ -127,9 +125,6 @@ bool Region::commit(size_t page_index)
{
ASSERT(vmobject().is_anonymous() || vmobject().is_purgeable());
InterruptDisabler disabler;
#ifdef MM_DEBUG
dbg() << "MM: commit single page" << String::format("%zu", page_index, vmobject().page_count()) << "in Region " << this << " (VMO=" << &vmobject() << ") at V" << String::format("%p", vaddr().get());
#endif
auto& vmobject_physical_page_entry = vmobject().physical_pages()[first_page_index() + page_index];
if (!vmobject_physical_page_entry.is_null() && !vmobject_physical_page_entry->is_shared_zero_page())
return true;