-ESRCH from mcctrl doesn't mean an error but the file is not a regular
file and mcctrl wants McKernel to treat it as a device file.
Change-Id: Ie121f0e6a8b1f0a29c2f2cf193a51f4f52337809
Report timeout when McKernel doesn't respond to prevent the caller
from waiting forever.
Refs: #1167
Change-Id: I8bd87e43aafffdd0952198224e44195af4368883
The size of tid table needs to be more than #CPUs when CPU oversubscription
is needed.
Note that the max number of simultaneous threads are the min of the
following two:
(1) Number of mcexec worker threads
(2) NR_TID defined in kernel/syscall.c
Change-Id: I425189da415e1d3a763ad62567950d001850cf0d
schedule_timeout() with idle_halt should use spin sleep because sleep
with timeout is not implemented.
Change-Id: Ia0bebcc10ddfb872bffeece7f13fb35a4791db18
vfs_read has been unexported in bd8df82be66 ("fs: unexport vfs_read and vfs_write")
in kernel 4.14.
kernel_read has always™ existed and is actually more appropriate: we can
remove the set_fs calls that are done in kernel_read.
The downside is that the function prototype also changed in 4.14 with
bdd1d2d3d251 ("fs: fix kernel_read prototype")...
(same with kernel_write e13ec939e96b ("fs: fix kernel_write prototype"))
Change-Id: I6f76a6387ae02b4d33bd62952d995a90b1952fc9
The functions now take a bitmask in argument since commit d7416c6f79
("perf_event: Specify counter by bit_mask on start/stop")...
Thanksfully the change also induced a type modification so it was easy
to notice.
(On the other hand I'm building with --disable-perf so why the hell is
that file compiled?!)
Change-Id: Ie16367cc94e81068b70e1b80142a6394de896c4f
struct sched_param is defined differently since headers changed in
linux ae7e81c07 ("sched/headers...")
Change-Id: I22af79bf3d9df69d09903b2830d99426309cf911
Some enums were redefined in lib/include/mc_perf_event.h in commit
1284060 ("support PERF_TYPE_{HARDWARE|HWCACHE} in perf_event_open")
Change-Id: I1a98699955ca7fd6135b2a7dde72ed4df77b1974
The function was between two perf functions when perf functions don't
use it...
It seemed simpler to move the function than to add an extra ifdef
Use that occasion to fix style warnings, no actual code changes were
made.
Change-Id: Ie8b5fa7968a3d5e54a690d079874db54f5e6c8c9
This function was added for x86 by commit 140f813d77 ("fix:
differences in behavior of sigaction between Linux and Mckernel")
The x86 and arm files are actually pretty close and could use
factoring...
Change-Id: Ia8820fd2f824d898610b384a3e137c96aadbc911
Instead of parsing System.map, use kallsyms_lookup_name() to
get unexported symbols addresses at module loading time.
This lets mckernel work with kaslr enabled (it gets enabled by
default from el7.5 onwards)
Change-Id: Ie4349fc1145ebce44f37f1f40c16f9d75584074d
Probably only needed for recent system, see ihk's 3271b5e6 ("fix
compilation with recent glibc (cpu_set define change)")
The root of the problem really is that we rely on system headers for
mckernel that ought to be independent...
Change-Id: Ieb9a017e5a7697ad767087370ced7b615efc917e
vma is part of vmf and isn't needed, so type changed (see linux 11bac80
("mm, fs: reduce fault, [...] to take only vmf"))
Change-Id: I4c023e23c7e7416ad2df2dcc0698a0032e574e4c
See linux's commit 0ee931c4 ("mm: treewide: remove GFP_TEMPORARY
allocation flag") for a long explanation, but basically that flag
"is just cargo cult" and should be removed
Change-Id: I2147cd65b6b9ec509a72e11cc3abf1fe1561c10b
Similarily, pgoff << PAGE_SHIFT would need pgoff to be unsigned to fit,
but off_t is signed.
The reason for this shift was to truncate the offset argument to be
aligned to page boundaries, do that instead
Change-Id: I36c3de34b1834fdb0503942a6f3212e94986effd
Heavily inspired off linux kernel's dynamic debug:
* add a /sys/kernel/debug/dynamic_debug/control file
(accessible from linux side in /sys/class/mcos/mcos0/sys/kernel/debug/dynamic_debug/control)
* read from file to list debug statements (currently limited to 4k in size)
* write to file with '[file foo ][func bar ][line [x][-[y]]] [+-]p' to change values
Side effects:
* reindented all linker scripts, there is a new __verbose section
* added string function strpbrk
Change-Id: I36d7707274dcc3ecaf200075a31a2f0f76021059
The standard UNIX tool to get processes information, need to have the
process id inside /proc/<PID>/status.
Using ps without PID in /proc/<PID>/status gives :
PID TTY TIME CMD
2551 pts/0 00:00:00 bash
0 pts/0 00:00:00 exe
0 pts/0 00:00:00 exe
With this patch:
PID TTY TIME CMD
2551 pts/0 00:00:00 bash
11966 pts/0 00:00:00 exe
12619 pts/0 00:00:00 exe
Change-Id: Ic9d255cbef4d49e49bdaedcfc8e3545d9c144325
Some are important, e.g. the seemingly harmless braces around if with dprintf,
since that dprintf is defined as empty, will screw things up and grab the next
line
Change-Id: Ie5e1cf813178ad708ff42ae5e477fbc96034471c
