litmus2008.git/arch, branch master [ARCHIVE] Old LITMUS^RT 2008 version (for reference). x86 setup: fix constraints in segment accessor functions 2009-09-10T10:51:30+00:00 H. Peter Anvin hpa@zytor.com 2008-01-30T12:33:02+00:00 2aba2d37926a1a69ef22ccfbdc298324ab21af4f Fix the operand constraints for the segment accessor functions, {rd,wr}{fs,gs}*. In particular, the 8-bit functions used "r" constraints instead of "q" constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 
Fix the operand constraints for the segment accessor functions,
{rd,wr}{fs,gs}*.  In particular, the 8-bit functions used "r"
constraints instead of "q" constraints.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
trace IPI latency on sparc64 2009-04-28T19:38:06+00:00 Bjoern B. Brandenburg bbb@cs.unc.edu 2009-04-28T19:38:06+00:00 623d6fe767d67a3975c6acbf46808ac1b7d2346b 






trace IPI latency on x86
2009-04-28T18:54:56+00:00

Bjoern B. Brandenburg
bbb@cs.unc.edu

2009-04-28T18:54:56+00:00

f7d1632b07552e23526466b513b343df2d289c2d












sparc64: provide smp_send_pull_timers() implementation
2009-04-23T19:02:28+00:00

Bjoern B. Brandenburg
bbb@cs.unc.edu

2009-04-23T19:02:28+00:00

d66881a2aa11307353b197f47e610692e7bd1875












x86-32: add support for smp_send_pull_timers()
2009-04-23T03:04:09+00:00

Bjoern B. Brandenburg
bbb@cs.unc.edu

2009-04-23T03:04:09+00:00

042043c14a2fe0d3f78682d8f149e038926d5869

This establishes the architectures dependent bits for hrtimer_start_on()
on x86-32.





This establishes the architectures dependent bits for hrtimer_start_on()
on x86-32.







add sys_null_call() to enable system call overhead tracing
2009-03-02T21:16:35+00:00

Bjoern B. Brandenburg
bbb@cs.unc.edu

2009-03-02T21:16:35+00:00

acbe757a454b9cf0b810f5a4125da7243500bc96

A simple noop system call to record kernel entry and exit
times.





A simple noop system call to record kernel entry and exit
times.







Refactor Feather-Trace
2008-05-20T02:48:53+00:00

Bjoern B. Brandenburg
bbb@cs.unc.edu

2008-05-20T02:48:53+00:00

522493257f03b9a9021ac6b18a2c15c0af581b32

- move platform dependent bits into arch/
- provide a default implementation (used for sparc64)





- move platform dependent bits into arch/
- provide a default implementation (used for sparc64)







sparc: force resched on IPI
2008-05-01T23:15:25+00:00

Bjoern B. Brandenburg
bbb@cs.unc.edu

2008-05-01T23:15:25+00:00

87579c371a7f4e5bf19fa9b472d3ba9d8eafcec1

This replicates 1a229e67e4cf08a539fc558d017a95ff03705ac5 for sparc64.

This is what happens:
	smp_send_reschedule()
	-> smp_receive_signal() (smp.c)
	~~> IPI
	~~> xcall_receive_signal (ultra.S)
	~~> soft interrupt (ttable.S)
	-> smp_receive_signal_client (smp.c)
	-> set_tsk_need_resched()




This replicates 1a229e67e4cf08a539fc558d017a95ff03705ac5 for sparc64.

This is what happens:
	smp_send_reschedule()
	-> smp_receive_signal() (smp.c)
	~~> IPI
	~~> xcall_receive_signal (ultra.S)
	~~> soft interrupt (ttable.S)
	-> smp_receive_signal_client (smp.c)
	-> set_tsk_need_resched()






sparc64: include LITMUS syscalls
2008-05-01T20:58:48+00:00

Bjoern B. Brandenburg
bbb@cs.unc.edu

2008-05-01T20:58:48+00:00

a0923fbdafb81a1f93da90b19405e7949f4efe2d

add LITMUS syscalls in jump table and unistd.h




add LITMUS syscalls in jump table and unistd.h






sparc64: enable LITMUS configuration options
2008-05-01T20:30:52+00:00

Bjoern B. Brandenburg
bbb@cs.unc.edu

2008-05-01T20:30:52+00:00

f95c1994a3a9717cb75f6c8a01dd34d0f93656a9