On Mon, Jun 29, 2009 at 04:31:18PM +0200, Jean Pihet wrote:
I am trying to get the latest IRQ registers from a timer or a work queue
but I am running into problems:
- get_irq_regs() returns NULL in some cases,
It will always return NULL outside of IRQ context - and only returns valid
pointers
On Monday 29 June 2009 17:19:31 Russell King - ARM Linux wrote:
On Mon, Jun 29, 2009 at 04:31:18PM +0200, Jean Pihet wrote:
I am trying to get the latest IRQ registers from a timer or a work queue
but I am running into problems:
- get_irq_regs() returns NULL in some cases,
It will always
On Mon, Jun 29, 2009 at 05:35:37PM +0200, Jean Pihet wrote:
On Monday 29 June 2009 17:19:31 Russell King - ARM Linux wrote:
It's one of these things that nests itself - when you have several IRQs
being processed on one CPU, there are several register contexts saved,
and get_irq_regs()
On Monday 29 June 2009 18:07:44 Russell King - ARM Linux wrote:
On Mon, Jun 29, 2009 at 05:35:37PM +0200, Jean Pihet wrote:
On Monday 29 June 2009 17:19:31 Russell King - ARM Linux wrote:
It's one of these things that nests itself - when you have several IRQs
being processed on one CPU,
On Monday 29 June 2009 17:31:18 ext Jean Pihet wrote:
Hi,
I am trying to get the latest IRQ registers from a timer or a work queue
but I am running into problems:
- get_irq_regs() returns NULL in some cases, so it is unsuable and even
causes crash when trying to get the registers values from
Hi Siarhei Siamashka,
On Monday 29 June 2009 18:36:57 Siarhei Siamashka wrote:
On Monday 29 June 2009 17:31:18 ext Jean Pihet wrote:
Hi,
I am trying to get the latest IRQ registers from a timer or a work queue
but I am running into problems:
- get_irq_regs() returns NULL in some cases,
On Mon, Jun 29, 2009 at 07:36:57PM +0300, Siarhei Siamashka wrote:
On Monday 29 June 2009 17:31:18 ext Jean Pihet wrote:
I am trying to get the latest IRQ registers from a timer or a work queue
but I am running into problems:
- get_irq_regs() returns NULL in some cases, so it is unsuable
On Mon, Jun 29, 2009 at 06:58:41PM +0200, Jean Pihet wrote:
I am trying to get a different approach, starting from the errata
description. The idea is to avoid the counters from overflowing,
which could cause a PMNC unit reset or lock-up (or both).
But this can't work.
Oprofile essentially
On Monday 29 June 2009 19:37:57 Russell King - ARM Linux wrote:
On Mon, Jun 29, 2009 at 07:36:57PM +0300, Siarhei Siamashka wrote:
On Monday 29 June 2009 17:31:18 ext Jean Pihet wrote:
I am trying to get the latest IRQ registers from a timer or a work
queue but I am running into problems:
On Monday 29 June 2009 19:46:33 Russell King - ARM Linux wrote:
On Mon, Jun 29, 2009 at 06:58:41PM +0200, Jean Pihet wrote:
I am trying to get a different approach, starting from the errata
description. The idea is to avoid the counters from overflowing,
which could cause a PMNC unit reset
On Monday 29 June 2009 19:54:23 Siarhei Siamashka wrote:
On Monday 29 June 2009 19:58:41 ext Jean Pihet wrote:
Hi Siarhei Siamashka,
On Monday 29 June 2009 18:36:57 Siarhei Siamashka wrote:
On Monday 29 June 2009 17:31:18 ext Jean Pihet wrote:
Hi,
I am trying to get the
On Monday 29 June 2009 20:37:57 ext Russell King - ARM Linux wrote:
On Mon, Jun 29, 2009 at 07:36:57PM +0300, Siarhei Siamashka wrote:
On Monday 29 June 2009 17:31:18 ext Jean Pihet wrote:
I am trying to get the latest IRQ registers from a timer or a work
queue but I am running into
On Monday 29 June 2009 20:38:59 Siarhei Siamashka wrote:
On Monday 29 June 2009 20:37:57 ext Russell King - ARM Linux wrote:
On Mon, Jun 29, 2009 at 07:36:57PM +0300, Siarhei Siamashka wrote:
On Monday 29 June 2009 17:31:18 ext Jean Pihet wrote:
I am trying to get the latest IRQ
On Monday 29 June 2009 21:49:59 ext Jean Pihet wrote:
[...]
We just need to use not a periodic timer, but kind of a watchdog (this
can be implemented with OMAP GPTIMER).
As long as PMU interrupts are coming fast, watchdog is frequently reset
and never shows up anywhere. Everything is
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