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Changes to debug output, mostly rate limiting.

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This commit is contained in:
Philip Homburg
2008-02-22 11:00:06 +00:00
parent 3c2e122d6d
commit 4a86b1fea5
2 changed files with 84 additions and 23 deletions
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kernel/system/do_devio.c
+26 -2
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@@ -63,6 +63,19 @@ register message *m_ptr; /* pointer to request message */
}
if (i >= nr_io_range)
{
static int curr= 0, limit= 100, extra= 20;
if (curr < limit+extra)
{
kprintf("do_devio: port 0x%x (size %d) not allowed\n",
m_ptr->DIO_PORT, size);
} else if (curr == limit+extra)
{
kprintf("do_devio: no debug output for a while\n");
}
else if (curr == 2*limit-1)
limit *= 2;
curr++;
return EPERM;
}
}
@@ -70,8 +83,19 @@ register message *m_ptr; /* pointer to request message */
doit:
if (m_ptr->DIO_PORT & (size-1))
{
kprintf("do_devio: unaligned port 0x%x (size %d)\n",
m_ptr->DIO_PORT, size);
static int curr= 0, limit= 100, extra= 20;
if (curr < limit+extra)
{
kprintf("do_devio: unaligned port 0x%x (size %d)\n",
m_ptr->DIO_PORT, size);
} else if (curr == limit+extra)
{
kprintf("do_devio: no debug output for a while\n");
}
else if (curr == 2*limit-1)
limit *= 2;
curr++;
return EPERM;
}