On Tue, Nov 22, 2011 at 3:53 PM, Enes Albay - انس الباى <albayenes@xxxxxxxxx> wrote:
make use of cscope to get the locations from whr set_user_nice() is called. I did egrep pattern search using cscope and could see it getting called from many locations : -Thanks for reply.
I also asked that set_user_nice where and when is called(file and line). I think it is not called after each forking operation, isn't it? Could you give calling order between functions from do_fork() like that func1()->func2()->...
Regards.On Mon, Nov 21, 2011 at 3:59 AM, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote:
On Mon, Nov 21, 2011 at 00:31, Enes Albay - انس الباىIn x86, do_fork() is called from sys_fork()... check :
<albayenes@xxxxxxxxx> wrote:
> Hi!
>
> anybody knows that where is set_user_nice() function called in the kernel?
> i couldn't find that. i just found that in forking operation
> do_fork()->copy_process()->
> dup_task_struct() called then set_user_nice()
> called but i couldn't find that where. Also how/where do_fork() function
> called in kernel i couldn't find.
http://lxr.linux.no/#linux+v3.1.1/arch/x86/kernel/process.c#L235
While sys_fork() itself, since it's a syscall handler, is called from
entry.S. Please refer to:
http://lxr.linux.no/#linux+v3.1.1/arch/x86/ia32/ia32entry.S#L475
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
--Enes Albay
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0 loop.c 578 set_user_nice(current, -20);
1 nbd.c 505 set_user_nice(current, -20);
2 pktcdvd.c 1567 set_user_nice(current, -20);
3 ipmi_si_intf.c 1012 set_user_nice(current, 19);
4 dmatest.c 291 set_user_nice(current, 10);
5 ap_bus.c 1563 set_user_nice(current, 19);
6 bnx2fc_fcoe.c 436 set_user_nice(current, -20);
7 bnx2fc_fcoe.c 567 set_user_nice(current, -20);
8 fcoe.c 1646 set_user_nice(current, -20);
9 ibmvfc.c 4438 set_user_nice(current, -20);
a ibmvscsi.c 1891 set_user_nice(current, -20);
b lpfc_hbadisc.c 715 set_user_nice(current, -20);
c qla_os.c 3314 set_user_nice(current, -20);
d main.c 2322 set_user_nice(speakup_task, 10);
e target_core_transport.c 6091 set_user_nice(current, -20);
f tfc_cmd.c 702 set_user_nice(current, -20);
g fs-writeback.c 902 set_user_nice(current, 0);
h background.c 83 set_user_nice(current, 10);
i heartbeat.c 1093 set_user_nice(current, -20);
j sched.h 2037 extern void set_user_nice(struct task_struct *p, long nice);
k exit.c 350 set_user_nice(current, 0);
l hung_task.c 195 set_user_nice(current, 0);
m kmod.c 157 set_user_nice(current, 0);
n rcutorture.c 867 set_user_nice(current, 19);
o rcutorture.c 910 set_user_nice(current, 19);
p rcutorture.c 993 set_user_nice(current, 19);
q rcutree_plugin.h 1452 set_user_nice(current, 19);
r rtmutex-tester.c 307 set_user_nice(current, 0);
s sched.c 4880 void set_user_nice(struct task_struct *p, long nice)
t sched.c 4925 EXPORT_SYMBOL(set_user_nice);
u sched.c 4977 set_user_nice(current, nice);
v sched.c 8271 set_user_nice(p, 0);
w sys.c 168 set_user_nice(p, niceval);
x ring_buffer_benchmark.c 453 set_user_nice(consumer, consumer_nice);
y ring_buffer_benchmark.c 462 set_user_nice(producer, producer_nice);
z workqueue.c 2034 set_user_nice(current, RESCUER_NICE_LEVEL);
A backing-dev.c 272 set_user_nice(current, 0);
रेगार्ड्स,
रोहन पूरी
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