00a34a8ba3
uti: util_thread: Hoist uti_desc check
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Change-Id: I8c4b75140df2fe149dfe20e0a8f0bf323b5f1763
2018-09-04 19:53:03 +09:00
8900c2cec5
uti: mcexec_uti_attr: Fix CPU binding decision
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Change-Id: I4047858895503ae912e5575bb232dbbb2f915722
2018-09-04 19:53:03 +09:00
fca02ee248
uti: Add error checks to kmalloc of struct uti_attr
2018-09-04 19:53:03 +09:00
781a69617b
uti: Replace data types represented as arrays with C structures
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Defining C structures for the following objects:
(1) Remote and local context
(2) Stack of system call arguments / return values
Change-Id: Iafbb6c795bd765e3c78c54a255d8a1e4d4536288
2018-09-04 19:53:03 +09:00
04d4145b3e
uti: Replace dead uti thread with new mcexec thread in proc->tids
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Change-Id: Ic6e906dd1bfac1b07f1317732cbe0a5191831cd8
2018-09-04 19:53:03 +09:00
96aab7e215
uti: Cosmetic change in util_thread
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Change-Id: I8aa75efa4dbfb798e40e75f76bacbd184dae23b8
2018-09-04 19:53:02 +09:00
98ee584ab6
uti: Change field name of release_user_space_desc
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Change-Id: I18ada86ec3835198c1a947d8ceb36075d6ff2e94
2018-09-04 19:53:02 +09:00
6b031c5472
uti: Fix condition for pthread_join of mcexec threads
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Change-Id: Iaeee91c197b84436f84ce4380768aa79e7f9419e
2018-09-04 19:53:02 +09:00
e42c414454
uti: Hook system calls by binary-patching glibc
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(1) Add --enable-uti option. The binary-patch library is
preloaded with this option.
(2) Binary-patching is done by syscall_intercept developed by Intel
This commit includes the following fixes:
(1) Fix do_exit() and terminate() handling
(2) Fix timing of killing mcexec threads when McKernel thread calls terminate()
Change-Id: Iad885e1e5540ed79f0808debd372463e3b8fecea
2018-09-04 19:53:02 +09:00
e613483bee
uti: Add system call profile
2018-09-04 19:53:02 +09:00
c0271f4727
Add debug messages for per-process data
2018-09-04 19:53:02 +09:00
4969762f15
uti: Add usage of uti specific options to mcexec
2018-09-04 19:53:02 +09:00
09d3648e43
uti: Set PROT_EXEC to host VMA when PROT_READ is set
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Set PROT_EXEC to host VMA because uti needs PROT_EXEC for text VMAs.
Meanings of prot bits of Host VMA has been changed as follows.
RWX: No mapping or RW mapping
RX: Read only mapping
2018-09-04 19:53:02 +09:00
4e905cd412
uti: do_syscall: Don't warn when proxy is gone
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This is because this is a normal case since terminate() is changed so
that it first kills all mcexec threads and then kill McKernel threads.
Change-Id: I88380bf28b60645d361baded525d71105235c16f
2018-09-04 19:53:01 +09:00
8c11daf726
uti: Fix signal relay from mcexec to McKernel
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Change-Id: I2ffd8049a0fb1637cfc6bab7fe24c6a85e5e53fc
2018-09-04 19:53:01 +09:00
5cb8a1f10f
uti: Workaround not to share CPU with OpenMP threads
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* Assign uti thread to the last idle CPU so that it's not shared with
an OpenMP thread
Change-Id: Ia42cae056ce81fde9b6dab6286b39a52f3c9e172
2018-09-04 19:53:01 +09:00
dbba7dea18
uti: Allow only the first do_fork() call to create a uti thread
2018-09-04 19:53:01 +09:00
b6ab5911b7
uti: Identify uti thread by clone count
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--uti-thread-count <count> is added to mcexec.
Change-Id: Id9ec464412a5bb71e4d9e87d05f79de22d35b067
2018-09-04 19:53:01 +09:00
b0d7f890d0
uti: Reverse-offload msync()
2018-09-04 19:53:01 +09:00
b9c0cdddab
uti: Cosmetic change
2018-09-04 19:52:14 +09:00
7ee7dd5e2c
uti: Allow tracer to call release_handler() for the main process
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Change-Id: I934a6eefbcb87473e87c109d6b4d32c7ab486894
2018-09-04 19:52:14 +09:00
07db4a80a7
__do_in_kernel_syscall: Move ihk_ikc_release_packet from mcexec_wait_syscall
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Change-Id: Ieeb5fda42dbddc9da27242f4b547c2143659f97a
2018-09-04 19:52:14 +09:00
f04e5c24ab
uti: Don't call mcexec_terminate_thread() when McKernel asks mcexec to interrupt system call
2018-09-04 19:52:14 +09:00
b8bacdd2de
Reference counting per-thread data
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It is accompanied by the following fixes:
(1) Fix put ppd locations in mcexec_wait_syscall()
(2) Move put ptd to end of mcexec_terminate_thread_unsafe() and mcexec_ret_syscall()
(3) Add debug messages for ptd add/get/put
(4) Fix ptd-add/get/put matching in mcexec_wait_syscall()
* Skip put when woken-up from wait_event_interruptible() by signal
Change-Id: Ib9be3f5e62a7a370197cb36c9fa7c4d79f44c314
2018-09-04 19:52:14 +09:00
a121ffc785
uti: Release packet of reply from McKernel in backward_offload()
2018-09-04 19:52:14 +09:00
88f9693390
uti: Return -ENOSYS without offloading for set_robust_list()
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Change-Id: I43466e3850fd2ad68e5754d1d460438fa47f3ed4
2018-09-04 19:52:13 +09:00
124ec580a0
uti: Call do_exit when tracer isn't working and do_syscall returned -ERESTARTSYS
2018-09-04 19:52:13 +09:00
af7f61db49
uti: mcexec: Fix error check of pthread_detach
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Change-Id: Idda8e060641bbd7b01c50163140a2c5f7466d193
2018-09-04 19:52:13 +09:00
ee299b5780
uti: Check size of syscall arguments for syscall_intercept
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Change-Id: I747b90e1f521b08266cfc021ef4b23e2e3c7ba4c
2018-09-04 19:52:13 +09:00
c60a778c8d
uti: Zero-clear struct mckernel_exec_file before initialization
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Change-Id: I315008b7f5c9e66a93b80da87d1a6332d717c2aa
2018-09-04 19:52:13 +09:00
25a129ea6a
uti: Disable jumping to McKernel futex code
2018-09-04 19:52:13 +09:00
8e9924c523
uti: Lock per_thread_data_hash_lock in mcctrl_put_per_proc_data()
2018-09-04 19:52:13 +09:00
c71291a429
mcctrl: Add mcexec_terminate_thread_unsafe()
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Change-Id: I6ca54cdac2ab9449d40b22f7329f1a215e5aa33b
2018-09-04 19:52:13 +09:00
ba93b83d68
uti: Add __user to mcexec_terminate_thread argument
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Change-Id: Ic96a91e6a892a1bd2f1d333580e28bced6a40dc0
2018-09-04 19:52:13 +09:00
c2f41ca9ad
uti: Replace hand-made list of host_threads with Linux macro
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Change-Id: Ib46cc9fcdd2854b7bbe21c2cc885beeb22d16dd2
2018-09-04 19:52:13 +09:00
062d7ecae3
uti: Use copy_from_user() in mcexec_terminate_thread()
2018-09-04 19:52:12 +09:00
58d038fcac
uti: Fix wrong argument passed to ihk_ikc_release_packet() in mcexec_terminate_thread()
2018-09-04 19:52:12 +09:00
510310342c
uti: Use fresh struct syscall_request instance when replying to syscall_backward()
2018-09-04 19:52:12 +09:00
a6198f267b
uti: Offload set_robust_list to McKernel
2018-09-04 19:52:12 +09:00
5e78bd85ab
uti: Fix tracer exit code for the case when create_tracer() isn't called
2018-09-04 19:52:12 +09:00
85c0c8a01f
uti: Add debug messages for syscall
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Change-Id: I2f96e71d5384f883f7dc568122c57d92bc1cd818
2018-09-04 19:52:12 +09:00
e29f579061
uti: Prevent user space vma from getting copied when forking
2018-09-04 19:52:12 +09:00
63703589e5
uti: Clear user space PTEs after first fork in create_tracer()
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Change-Id: I60755f0cb5e84c3a5a5cd91515411a30f0995822
2018-09-04 19:52:12 +09:00
5c8c1986b5
uti: Add comment on ppd life cycle
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Change-Id: Id16cf036b2d919444e8634b536fd701d996bcef2
2018-09-04 19:52:12 +09:00
e4370d235c
uti: Make tracer not call mcexec_terminate_thread() when tracee is killed by signal
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Change-Id: I5878c7d623ce182a7cb9578c9d5c430c1bee8e1e
2018-09-04 19:52:12 +09:00
31ac007cb5
uti: Increase CPU_HZ to 1000
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Change-Id: I8619263845fd8ebabe6fc7de619a5b51ac04470a
2018-09-04 19:52:11 +09:00
56da7e2de9
uti: Allocate memory area directly to uti_desc->wp
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Change-Id: Ia5a1dbf56b937d9d05cd7fa1c5eec4a5b4b7b196
2018-09-04 19:52:11 +09:00
35300e7b4f
uti: Create tracer when forking
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Change-Id: Ic66cf6289ac6f32a884ba1266e641ce61620a239
2018-09-04 19:52:11 +09:00
439dc0928b
uti: Streamline syscall_backward()
2018-09-04 19:52:11 +09:00
4b3e58fd3d
uti: Call terminate only when exit_group is called
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Tracer tells McKernel side to call do_exit() in WIFSIGNALED case.
Change-Id: If85c6cbb4856036b406b11335f1384e57f26292d
2018-09-04 19:52:11 +09:00
