Alessio Igor Bogani wrote:
John Sigler wrote:
# cat /proc/interrupts
CPU0
0: 37 XT-PIC-XT timer
Just curious: Can you post the output of the "cat /proc/timer_list" ?
Kernel command line: [...] lpj=12667000 lapic nmi_watchdog=0 idle=halt
Kernel configuration:
http://linux.kernel.free.fr/latency/config-2.6.20.7-rt8-adlink-latency
# cat /proc/timer_list
Timer List Version: v0.3
HRTIMER_MAX_CLOCK_BASES: 2
now at 3759145433320 nsecs
cpu: 0
clock 0:
.index: 0
.resolution: 1 nsecs
.get_time: ktime_get_real
.offset: 1185370134437814624 nsecs
active timers:
clock 1:
.index: 1
.resolution: 1 nsecs
.get_time: ktime_get
.offset: 0 nsecs
active timers:
#0: <cf795e74>, tick_sched_timer, S:01
# expires at 3759150000000 nsecs [in 4566680 nsecs]
#1: <cf795e74>, it_real_fn, S:01
# expires at 5027741374801 nsecs [in 1268595941481 nsecs]
.expires_next : 3759150000000 nsecs
.hres_active : 1
.nr_events : 375503
.nohz_mode : 0
.idle_tick : 0 nsecs
.tick_stopped : 0
.idle_jiffies : 0
.idle_calls : 0
.idle_sleeps : 0
.idle_entrytime : 0 nsecs
.idle_sleeptime : 0 nsecs
.last_jiffies : 0
.next_jiffies : 0
.idle_expires : 0 nsecs
jiffies: 345914
Tick Device: mode: 1
Clock Event Device: pit
max_delta_ns: 27461866
min_delta_ns: 12571
mult: 5124677
shift: 32
mode: 3
next_event: 9223372036854775807 nsecs
set_next_event: pit_next_event
set_mode: init_pit_timer
event_handler: tick_handle_oneshot_broadcast
tick_broadcast_mask: 00000000
tick_broadcast_oneshot_mask: 00000000
Tick Device: mode: 1
Clock Event Device: lapic
max_delta_ns: 1006582530
min_delta_ns: 1799
mult: 35793183
shift: 32
mode: 3
next_event: 3759150000000 nsecs
set_next_event: lapic_next_event
set_mode: lapic_timer_setup
event_handler: hrtimer_interrupt
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