linux-kernel - Re: 2.6.25 new perfmon kernel patch + libpfm + pfmon available

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Date:	Tue, 29 Apr 2008 08:33:34 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	"stephane eranian" <eranian@...glemail.com>
Cc:	linux-kernel@...r.kernel.org, ia64 <linux-ia64@...r.kernel.org>
Subject: Re: 2.6.25 new perfmon kernel patch + libpfm + pfmon available

On Wed, 30 Apr 2008 15:11:11 +0200
"stephane eranian" <eranian@...glemail.com> wrote:

> Sorry,
> 
> It's http://perfmon2.sf.net
> 
> 

hummmmm, I wonder why perfmon wants to reimplement half of the PCI layer...

+extern spinlock_t pci_config_lock;
+
+#define PCI_CONF1_ADDRESS(bus, devfn, reg) \
+       (0x80000000 | ((reg & 0xF00) << 16) | ((bus & 0xFF) << 16) \
+       | (devfn << 8) | (reg & 0xFC))
+
+#define is_ibs_pmc(x) (x == 4 || x == 5)
+
+static int pci_read(unsigned int seg, unsigned int bus,
+                   unsigned int devfn, int reg, int len, u32 *value)
+{
+       unsigned long flags;

especially since this doesn't seem to use the proper config space abstractions :(
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