diff options
| author | Ian Munsie <imunsie@au1.ibm.com> | 2013-03-21 19:22:52 +0000 |
|---|---|---|
| committer | Michael Ellerman <michael@ellerman.id.au> | 2013-04-18 15:59:55 +1000 |
| commit | a6a058e52a0ce62de84496c9d4b133f2afc61f27 (patch) | |
| tree | a140df07d650136779b3a8b1772a13ad6d3f26ed /arch/powerpc/kernel/dbell.c | |
| parent | 61435690a9c781b4c9e617aa86bd20c146c9a998 (diff) | |
| download | talos-op-linux-a6a058e52a0ce62de84496c9d4b133f2afc61f27.tar.gz talos-op-linux-a6a058e52a0ce62de84496c9d4b133f2afc61f27.zip | |
powerpc: Add accounting for Doorbell interrupts
This patch adds a new line to /proc/interrupts to account for the
doorbell interrupts that each hardware thread has received. The total
interrupt count in /proc/stat will now also include doorbells.
# cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
16: 551 1267 281 175 XICS Level IPI
LOC: 2037 1503 1688 1625 Local timer interrupts
SPU: 0 0 0 0 Spurious interrupts
CNT: 0 0 0 0 Performance monitoring interrupts
MCE: 0 0 0 0 Machine check exceptions
DBL: 42 550 20 91 Doorbell interrupts
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/dbell.c')
| -rw-r--r-- | arch/powerpc/kernel/dbell.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/dbell.c b/arch/powerpc/kernel/dbell.c index 9ebbc24bb23c..d55c76c571f3 100644 --- a/arch/powerpc/kernel/dbell.c +++ b/arch/powerpc/kernel/dbell.c @@ -41,6 +41,8 @@ void doorbell_exception(struct pt_regs *regs) may_hard_irq_enable(); + __get_cpu_var(irq_stat).doorbell_irqs++; + smp_ipi_demux(); irq_exit(); |
