litmus-rt.git/include, branch 2012.3 The LITMUS^RT kernel. litmus: get rid of unused RT_F_EXIT_SEM flag 2012-11-27T18:50:17+00:00 Manohar Vanga mvanga@mpi-sws.org 2012-10-03T23:06:01+00:00 63537c738e7eb0ad6bc064b5e47c88092897c1cb This patch removes the RT_F_EXIT_SEM flag. All code paths depending on it being true are assumed to be unreachable and removed. The 'flags' field in struct rt_params is left as-is for use by specific schedulers. For example, sched_pfair defines a custom flag RT_F_REQUEUE within the 'flags' field. Signed-off-by: Manohar Vanga <mvanga@mpi-sws.org> 
This patch removes the RT_F_EXIT_SEM flag. All code paths
depending on it being true are assumed to be unreachable
and removed.

The 'flags' field in struct rt_params is left as-is for
use by specific schedulers. For example, sched_pfair
defines a custom flag RT_F_REQUEUE within the 'flags'
field.

Signed-off-by: Manohar Vanga <mvanga@mpi-sws.org>
litmus: get rid of RT_F_SLEEP and RT_F_RUNNING 2012-11-27T18:50:17+00:00 Manohar Vanga mvanga@mpi-sws.org 2012-10-03T22:30:51+00:00 b7012aa7edba4b88906fc39b9005ff4dae69be59 This patch removes the flags RT_F_SLEEP and RT_F_RUNNING as their name is misleading. This patch replaces them with a 'completed' field in struct rt_param. Signed-off-by: Manohar Vanga <mvanga@mpi-sws.org> 
This patch removes the flags RT_F_SLEEP and RT_F_RUNNING
as their name is misleading. This patch replaces them with
a 'completed' field in struct rt_param.

Signed-off-by: Manohar Vanga <mvanga@mpi-sws.org>
litmus: fix compiler warning in sched_plugin.h 2012-11-27T18:50:16+00:00 Manohar Vanga mvanga@mpi-sws.org 2012-10-03T20:17:51+00:00 635073dd057be83073a36cf0287a08a716d37784 This patch fixes the compiler warning about struct litmus_locking being defined in the parameter list when CONFIG_LITMUS_LOCKING is not set. Signed-off-by: Manohar Vanga <mvanga@mpi-sws.org> 
This patch fixes the compiler warning about struct litmus_locking
being defined in the parameter list when CONFIG_LITMUS_LOCKING is
not set.

Signed-off-by: Manohar Vanga <mvanga@mpi-sws.org>
P-FP: prevent misuse of priority queue 2012-10-18T20:14:09+00:00 Bjoern Brandenburg bbb@mpi-sws.org 2012-09-06T12:25:41+00:00 057dcfdb1f0dfe07ec3e030b238e46a69d249a1e Stop hard-to-detect out-of-bounds errors early. 
Stop hard-to-detect out-of-bounds errors early.
Feather-Trace: hide irq in SEND_RESCHED_END 2012-10-18T20:14:05+00:00 Bjoern Brandenburg bbb@mpi-sws.org 2012-09-04T12:39:09+00:00 a481c27ddd7d324a9f311ae9a08228499dbb7f7b SEND_RESCHED_END is necessarily preceded by an interrupt. We don't want to filter events based on this expected interrupts, but we still want to detect samples disturbed by other interrupts. Hence, subtract one off the interrupt count. 
SEND_RESCHED_END is necessarily preceded by an interrupt. We don't
want to filter events based on this expected interrupts, but we still
want to detect samples disturbed by other interrupts. Hence, subtract
one off the interrupt count.
Use user-provided irq count for TS_SYSCALL_IN_END 2012-10-18T20:14:03+00:00 Bjoern Brandenburg bbb@mpi-sws.org 2012-09-03T12:51:31+00:00 00b4b17dc1f65a1e5de4648200c826cc2eef37f4 To detect interrupts that interfered after the initial time stamp was recorded, this patch changes sched_trace to also record the IRQ count as observed by userspace. 
To detect interrupts that interfered after the initial time stamp was
recorded, this patch changes sched_trace to also record the IRQ count
as observed by userspace.
Export IRQ count to control page 2012-10-18T20:14:03+00:00 Bjoern Brandenburg bbb@mpi-sws.org 2012-09-03T11:58:18+00:00 173e46b1ea0305ab74ab8e6a4b4461e296b83922 Also add some compile-time checks to detect unexpected offsets. 
Also add some compile-time checks to detect unexpected offsets.
Feather-Trace: add support for locking-related syscall overheads 2012-10-18T20:14:02+00:00 Bjoern Brandenburg bbb@mpi-sws.org 2012-08-15T11:34:27+00:00 80e2d84533265a8231534f10c56d9eba01cec99a Support recording timestamps that allow tracing the entry and exit costs of locking-related system calls. 
Support recording timestamps that allow tracing the entry and exit
costs of locking-related system calls.
Feather-Trace: update locking timestamps 2012-10-18T20:14:02+00:00 Bjoern Brandenburg bbb@mpi-sws.org 2012-08-15T11:13:08+00:00 5454446ed47708b26d40337e47affea5e1f298ef Reassing locking timestamps and prepare support for tracing system call overheads. 
Reassing locking timestamps and prepare support for tracing
system call overheads.
Feather-Trace: keep track of PID in trace record 2012-10-18T18:49:01+00:00 Bjoern Brandenburg bbb@mpi-sws.org 2012-08-15T11:04:40+00:00 7b84800f5ee2e35671ac08a7d281ac7f0069ce8f To properly trace locking overheads, it is required to tell apart samples from different tasks, which requires keeping track of their PIDs. The timestamp is shortened to 48 bits to make room for the PID. 
To properly trace locking overheads, it is required to tell apart
samples from different tasks, which requires keeping track of their
PIDs.

The timestamp is shortened to 48 bits to make room for the PID.