8d6c97ea5c
schedule(): disable auto thread migration
2015-08-07 16:07:31 +09:00
0a0e2c04a0
support for dynamically toggling time sharing when CPU is oversubscribed
2015-08-07 08:51:50 +09:00
aa191b87d3
schedule(): use XSAVE/XRSTOR and swap floating point registers in context switch
2015-08-07 08:41:00 +09:00
d5c243571f
cpu_clear_and_set(): atomic CPU mask update in migration code
2015-08-06 10:49:55 +09:00
328e69a335
schedule(): do not preempt while holding spinlocks or while in offloaded syscall
2015-08-06 10:36:13 +09:00
b77755d0f7
obtain_clone_cpuid(): always start from CPU 0 and fill in cores linearily
2015-07-28 20:20:47 +09:00
d7bae14707
TEMPORARY: schedule(): move threads when core is explicitly oversubscribed
2015-07-28 20:12:58 +09:00
4e58d08f5c
schedule_timeout(): give a chance to other process in spin sleep if CPU core is oversubscribed
2015-07-28 20:06:56 +09:00
9b1e691588
fix thread migration code (i.e., sched_setaffinity())
...
- moved migration code into idle() process and updated schedule() to detect
when a thread has moved to another CPU in order to avoid doing housekeeping
on behalf of the original one
- start CPU head from core 0
- keeps track of nested interrupts
2015-07-24 20:09:17 +09:00
3988b0fc61
keep track of IRQ context and don't do thread migration there
2015-07-23 16:56:58 +09:00
1bc84d3feb
modify to copy credentials
2015-07-13 15:29:26 +09:00
7647c99cc2
do_migrate(): disable IRQ while holding migq_lock to avoid deadlocking with reschedule interrupts
2015-07-09 15:23:28 +09:00
4ebe778ede
vm->exiting: deal with exit_group() and concurrent page faults
2015-06-25 16:04:04 +09:00
7d5a68be1b
add PID and GID to /proc/pid/status
...
add /proc/pid/cmdline
refs #445
refs #447
2015-05-18 17:45:37 +09:00
4698bc40c2
implement System V shared memory for LTP syscalls
2015-03-19 16:21:18 +09:00
8934eb91a4
kill syscall check uid
2015-03-17 15:04:36 +09:00
8b24f60861
Combine range and memobj flags before arch_vrflag_to_ptattr()
2015-03-05 16:40:14 +09:00
bf12a5c45e
Introduction of write-combined memory type mappings.
...
Introduction of VR_WRITE_COMBINED, PTATTR_WRITE_COMBINED and modification
to the memobj's get_page() interface so that Linux communicates back mapping
flags (such as write-combined).
2015-03-05 16:03:21 +09:00
e6011be1af
create area for to save fp regs
...
refs #421
2015-03-05 12:18:46 +09:00
2eac58aab3
add patch_process_vm(). (in progress)
...
This function patches specified range of specified user space even if
the range is not writable.
refs #401
2015-03-04 12:00:51 +09:00
2239a6b09b
modify page_fault_process()
...
- change its argument from 'struct process *'
to 'struct process_vm *'.
- change its name from 'page_fault_process()'
to 'page_fault_process_vm()'.
- allow to resolve a fault on the process_vm of another process.
2015-03-04 11:29:15 +09:00
8caeba7cba
support PTRACE_GETSIGINFO and PTRACE_SETSIGINFO
...
refs #422
2015-03-03 09:54:57 +09:00
0307f6a6cc
impementation of sched_{setparam, getparam, setscheduler, getscheduler, get_priority_min, get_priority_max, rr_get_interval} system calls
2015-02-19 11:46:03 -08:00
c0edb6fe6f
add new cpu state CPU_STATUS_RESERVED
2015-02-18 13:46:08 +09:00
16af976a71
support msync() system call. refs #382
...
Msync(2) of this version writes only the pages which the calling process
modified. Modifications of the other processes are not written.
2015-02-18 11:52:15 +09:00
9574a28a5f
The same CPU is assigned to a different process.
...
refs #423
2015-02-17 18:27:46 +09:00
fa15f6b106
support PTRACE_SYSCALL.
...
support PTRACE_O_TRACESYSGOOD.
ptrace_report_exec() calls ptrace_report_signal().
refs #265
2015-02-17 16:56:27 +09:00
5f5ab34559
support PTRACE_ATTACH.
...
fix PTRACE_TRACEME, PTRACE_DETACH.
2015-01-30 21:02:01 +09:00
c3ade864d9
fix PTRACE_PEEKUSER, PTRACE_POKEUSER, PTRACE_GETREGS.
...
support PTRACE_SETREGS.
In struct process, add 'unsigned long *ptrace_debugreg', instead of 'struct user *userp'.
debug registers are read/written from/to ptrace_debugreg, save/restore in schedule().
most general registers are proc->uctx.
fs_base is proc->thread.tlsblock_base.
gs_base,ds,es,fs,gs and orig_rax are uncompleted.
other members in 'struct user' are ignored, same as Linux implementation.
refs #257
refs #373
refs #263
2015-01-29 14:08:38 +09:00
08cc31f9bf
support setrlimits/getrlimits, however this fix is these syscalls only.
...
checking resource process must implement it separately.
refs #330
2015-01-27 10:35:58 +09:00
765de119dc
support PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK, PTRACE_O_TRACEVFORKDONE.
...
to start with a SIGSTOP, do not set proc->ftn->status to PS_RUNNING in __runq_add_proc().
change vfork() set CLONE_VFORK.
refs #266
refs #267
refs #372
support PTRACE_GETEVENTMSG.
to store ptrace event, add 'unsigned long ptrace_eventmsg;' member in struct fork_tree_node.
refs #273
2015-01-14 10:43:18 +09:00
0942bf0ce0
make dkprintf() evaluate its parameters always
...
Parameters of dkprintf() should be evaluated even if dkprintf() is
disabled. Because this enables to find expression of parameter obsolete
and to avoid unnecessary compiler warnings such as "unused variable".
2014-12-22 16:58:03 +09:00
9c94e90007
use ftn->tid instead of proc->tid
2014-12-22 16:58:02 +09:00
8909597499
clone(): support for handling CLONE_SIGHAND and CLONE_VM flags separately
2014-12-04 16:55:17 +09:00
8f30e16976
when mcexec is killed by SIGKILL, terminate mckernel process (BUG#259)
2014-11-27 16:13:52 +09:00
89acf5c5d6
support for AT_RANDOM auxiliary entry on the process stack (needed for _dl_random in glibc)
2014-11-11 08:48:27 +09:00
3fe7e39607
some variables definition are gathered to fork_tree_node from process.
...
- remove both-defined: pid, pgid, status
- move to fork_tree_node: tid
- make dummy fork_tree_node for idle_process.
2014-10-29 16:54:09 +09:00
11947a4ce3
initialize and propagate a cpu affinity (temporary fix)
...
This fix is only intended to work an OpenMP program.
It is necessary to investigate behavior of linux and reimplement this
fix.
2014-10-20 15:21:49 +09:00
f195b9c675
don't use COW pages in private anonymous mapping (quick fix)
2014-10-17 23:25:15 +09:00
d2cb890cdd
idle(): recheck runq just before cpu status check
...
There is a problem which causes wait4(2) hang when wait4(2) called by a
process races with its child process termination.
This is a quick fix for this problem. See idle().
refs #271
2014-10-15 17:58:27 +09:00
758796bb69
idle(): cosmetic changes
2014-10-15 17:58:27 +09:00
95dd193fd6
Fix reporting of having done execve to ptracer
2014-10-15 14:49:23 +09:00
2997274470
Make __WCLONE option for wait4(2) and flags for clone(2) work properly.
2014-10-15 14:45:58 +09:00
013d3e95c2
Fix manipulation of fork_tree_node for ptrace
2014-10-15 14:42:17 +09:00
658b88fd7b
Modify spacing
2014-10-15 14:40:47 +09:00
da17625be9
gdb: definitions for ptrace() and syscall part of TRACEME
2014-10-15 14:30:17 +09:00
dbecaa2fc8
Add ptrace functions of job-control and signal
...
Note that a forked process automatically becomes ptraced state in this
commit.
2014-10-15 14:28:55 +09:00
a7b0880a8d
Make findthread_and_lock take ihk_spinlock_t **
2014-09-23 12:03:48 +09:00
7e12f0db72
Revert "テスト支援コード"
...
This reverts commit 054cb2ada2
2014-09-17 19:59:32 +09:00
d692b57a67
Revert "idle 開始時に free_list の状況を表示する"
...
This reverts commit ec47968a48
2014-09-17 19:59:27 +09:00
