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e289faa9f1
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JINHO LIM e289faa9f1 ANDROID: vendor_hooks: set debugging data when rt_mutex is working 
We already applied the 'vendor hook' for Dtask Debugging Information
in below issue.
(https://issuetracker.google.com/issues/162776704)

There are vendor hook call in mutex and rw_semaphore, but not for rt_mutex
Please refer to description in details as below,

1. Description
This feature writes rt mutex lock waiting information
on the task_struct structure. We can check mutex information and
mutex owner through the kernel log and custom analysis tools.
Like the previous feature in mutex and rw semaphore,
added data can be checked by ramdump analysis.

2. Vendor Hook Position
1) VENDOR_DATA
  - struct task_struct in sched.h

    VENDOR_DATA_ARRAY(2)

    [0] : type   // RTmutex (Mutex, Rwsem, ...)
    [1] : pointer   // address of lock
2) VENDOR_HOOKs
  - __rt_mutex_slowlock() in kernel/locking/rtmutex.c

3. Example
 - SysRq-w in kernel log
...
[   54.164463] [3:  kworker/u16:3:  253] kworker/3:2     D12736   418      2 0x00000228
[   54.164497] [3:  kworker/u16:3:  253] RTmutex: 0xffffffc051fa3ae8: owner[sh :9003]

[   54.167812] [3:  kworker/u16:3:  253] sh              D12848  9003   6900 0x04000200
[   54.167824] [3:  kworker/u16:3:  253] RTmutex: 0xffffffc051fa3b08: owner[kworker/3:2 :418]
...

Bug: 186567468

Signed-off-by: JINHO LIM <jordan.lim@samsung.com>
Change-Id: I93f9753be0b2c1fa1a6eaea09379d54c31d1ebcf
2021-05-03 15:24:28 +00:00
..
bpf Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
cgroup ANDROID: cgroup: Add vendor hook to the cgroup 2021-03-09 01:59:47 +00:00
configs staging: ION: remove some references to CONFIG_ION 2021-01-06 17:39:38 +01:00
debug kgdb: fix to kill breakpoints on initmem after boot 2021-02-26 09:41:05 -08:00
dma Merge 03dc748bf1 ("Merge tag 'xfs-5.12-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux") into android-mainline 2021-03-07 11:16:59 +01:00
entry A trivial cleanup of typo fixes. 2021-04-26 09:41:15 -07:00
events Linux 5.12-rc3 2021-03-15 08:48:29 +01:00
gcov Revert "gcov: clang: fix clang-11+ build" 2021-04-19 15:08:49 -07:00
irq Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
kcsan kcsan: Rewrite kcsan_prandom_u32_max() without prandom_u32_state() 2021-01-04 14:39:07 -08:00
livepatch kallsyms: refactor {,module_}kallsyms_on_each_symbol 2021-02-08 12:22:08 +01:00
locking ANDROID: vendor_hooks: set debugging data when rt_mutex is working 2021-05-03 15:24:28 +00:00
power Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
printk Merge 7b7028edf9 ("Merge tag 'memblock-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock") into android-mainline 2021-03-05 10:30:44 +01:00
rcu Scheduler updates for v5.12: 2021-02-21 12:35:04 -08:00
sched Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
time Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
trace Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
.gitignore FROMGIT: kbuild: update config_data.gz only when the content of .config is changed 2021-04-28 12:56:34 -07:00
acct.c kernel/acct.c: use #elif instead of #end and #elif 2020-12-15 22:46:15 -08:00
async.c
audit_fsnotify.c audit_alloc_mark(): don't open-code ERR_CAST() 2021-02-23 10:25:27 -05:00
audit_tree.c fsnotify: generalize handle_inode_event() 2020-12-03 14:58:35 +01:00
audit_watch.c fsnotify: generalize handle_inode_event() 2020-12-03 14:58:35 +01:00
audit.c lsm: separate security_task_getsecid() into subjective and objective variants 2021-03-22 15:23:32 -04:00
audit.h audit: avoid -Wempty-body warning 2021-03-24 12:11:48 -04:00
auditfilter.c lsm: separate security_task_getsecid() into subjective and objective variants 2021-03-22 15:23:32 -04:00
auditsc.c audit/stable-5.13 PR 20210426 2021-04-27 13:50:58 -07:00
backtracetest.c treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD() 2020-07-30 11:15:58 -07:00
bounds.c
capability.c capability: handle idmapped mounts 2021-01-24 14:27:16 +01:00
cfi.c add support for Clang CFI 2021-04-08 16:04:20 -07:00
compat.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
configs.c
context_tracking.c
cpu_pm.c notifier: Fix broken error handling pattern 2020-09-01 09:58:03 +02:00
cpu.c Merge 657bd90c93 ("Merge tag 'sched-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") into android-mainline 2021-03-03 15:29:15 +01:00
crash_core.c kdump: append uts_namespace.name offset to VMCOREINFO 2020-12-15 22:46:18 -08:00
crash_dump.c
cred.c
delayacct.c
dma.c
exec_domain.c
exit.c kernel/io_uring: cancel io_uring before task works 2020-12-30 19:36:54 -07:00
extable.c
fail_function.c fault-injection: handle EI_ETYPE_TRUE 2020-12-15 22:46:19 -08:00
fork.c Linux 5.12-rc5 2021-03-29 11:00:06 +02:00
freezer.c Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing" 2021-03-27 14:09:10 -06:00
futex.c Linux 5.12-rc4 2021-03-22 08:40:09 +01:00
gen_kheaders.sh
groups.c groups: simplify struct group_info allocation 2021-02-26 09:41:03 -08:00
hung_task.c kernel/hung_task.c: make type annotations consistent 2020-11-02 12:14:19 -08:00
iomem.c
irq_work.c Merge adb35e8dc9 ("Merge tag 'sched-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") into android-mainline 2020-12-16 09:09:52 +00:00
jump_label.c static_call: Fix static_call_update() sanity check 2021-03-19 13:16:44 +01:00
kallsyms.c kallsyms: strip ThinLTO hashes from static functions 2021-04-08 16:04:21 -07:00
kcmp.c Merge branch 'exec-update-lock-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2020-12-15 19:36:48 -08:00
Kconfig.freezer
Kconfig.hz
Kconfig.locks
Kconfig.preempt preempt: Introduce CONFIG_PREEMPT_DYNAMIC 2021-02-17 14:12:24 +01:00
kcov.c kernel: make kcov_common_handle consider the current context 2020-11-02 18:00:20 -08:00
kexec_core.c Merge branch 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-02-21 09:29:23 -08:00
kexec_elf.c
kexec_file.c ima: Free IMA measurement buffer after kexec syscall 2021-02-10 15:49:38 -05:00
kexec_internal.h kexec: move machine_kexec_post_load() to public interface 2021-02-22 12:33:26 +00:00
kexec.c LSM: Introduce kernel_post_load_data() hook 2020-10-05 13:37:03 +02:00
kheaders.c
kmod.c kmod: remove redundant "be an" in the comment 2020-08-12 10:58:01 -07:00
kprobes.c kprobes: Fix to delay the kprobes jump optimization 2021-02-19 14:57:12 -05:00
ksysfs.c
kthread.c Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
latencytop.c
Makefile Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
module_signature.c module: harden ELF info handling 2021-01-19 10:24:45 +01:00
module_signing.c module: harden ELF info handling 2021-01-19 10:24:45 +01:00
module-internal.h
module.c Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
notifier.c notifier: Fix broken error handling pattern 2020-09-01 09:58:03 +02:00
nsproxy.c fixes-v5.11 2020-12-14 16:40:27 -08:00
padata.c padata: fix possible padata_works_lock deadlock 2020-09-04 17:51:55 +10:00
panic.c panic: don't dump stack twice on warn 2020-11-14 11:26:04 -08:00
params.c Modules updates for v5.11 2020-12-17 13:01:31 -08:00
pid_namespace.c fixes-v5.11 2020-12-14 16:40:27 -08:00
pid.c Merge e2dc495734 ("Merge tag 'asm-generic-cleanup-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic") into android-mainline 2020-12-19 14:09:26 +01:00
profile.c kernel: Initialize cpumask before parsing 2021-04-10 13:35:54 +02:00
ptrace.c Revert "kernel: treat PF_IO_WORKER like PF_KTHREAD for ptrace/signals" 2021-03-27 14:09:10 -06:00
range.c kernel.h: split out min()/max() et al. helpers 2020-10-16 11:11:19 -07:00
reboot.c Merge 1c273e10bc ("Merge tag 'zonefs-5.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs") into android-mainline 2021-03-20 11:35:38 +01:00
regset.c regset: kill ->get() 2020-07-27 14:31:12 -04:00
relay.c relay: allow the use of const callback structs 2020-12-15 22:46:18 -08:00
resource_kunit.c resource: provide meaningful MODULE_LICENSE() in test suite 2020-11-25 18:52:35 +01:00
resource.c resource: Move devmem revoke code to resource framework 2021-01-12 14:26:31 +01:00
rseq.c
scftorture.c scftorture: Add debug output for wrong-CPU warning 2021-01-04 13:53:41 -08:00
scs.c scs: switch to vmapped shadow stacks 2020-12-01 10:30:28 +00:00
seccomp.c seccomp: Fix "cacheable" typo in comments 2021-03-30 22:34:30 -07:00
signal.c Linux 5.12-rc5 2021-03-29 11:00:06 +02:00
smp.c smp: Process pending softirqs in flush_smp_call_function_from_idle() 2021-02-17 14:12:42 +01:00
smpboot.c kthread: Extract KTHREAD_IS_PER_CPU 2021-01-22 15:09:42 +01:00
smpboot.h
softirq.c Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
stackleak.c stackleak: let stack_erasing_sysctl take a kernel pointer buffer 2020-09-19 13:13:39 -07:00
stacktrace.c stacktrace: Remove reliable argument from arch_stack_walk() callback 2020-09-18 14:24:16 +01:00
static_call.c static_call: Fix static_call_update() sanity check 2021-03-19 13:16:44 +01:00
stop_machine.c Merge adb35e8dc9 ("Merge tag 'sched-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") into android-mainline 2020-12-16 09:09:52 +00:00
sys_ni.c epoll: wire up syscall epoll_pwait2 2020-12-19 11:18:38 -08:00
sys.c Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00
sysctl-test.c
sysctl.c Merge fecfd01539 ("Merge tag 'leds-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds") into android-mainline 2021-03-07 08:45:40 +01:00
task_work.c task_work: remove legacy TWA_SIGNAL path 2020-12-12 09:17:38 -07:00
taskstats.c treewide: rename nla_strlcpy to nla_strscpy. 2020-11-16 08:08:54 -08:00
test_kprobes.c
torture.c torture: Maintain torture-specific set of CPUs-online books 2021-01-06 17:17:22 -08:00
tracepoint.c ANDROID: vendor_hooks: Allow multiple attachments to restricted hooks 2021-03-31 09:13:02 +00:00
tsacct.c
ucount.c
uid16.c
uid16.h
umh.c usermodehelper: reset umask to default before executing user process 2020-10-06 10:31:52 -07:00
up.c
user_namespace.c capabilities: require CAP_SETFCAP to map uid 0 2021-04-20 14:28:33 -07:00
user-return-notifier.c
user.c user: Use generic ns_common::count 2020-08-19 14:14:12 +02:00
usermode_driver.c bpf: Fix umd memory leak in copy_process() 2021-03-19 22:23:19 +01:00
utsname_sysctl.c
utsname.c uts: Use generic ns_common::count 2020-08-19 14:13:20 +02:00
watch_queue.c watch_queue: rectify kernel-doc for init_watch() 2021-01-26 11:16:34 +00:00
watchdog_hld.c
watchdog.c workqueue/watchdog: Make unbound workqueues aware of touch_softlockup_watchdog() 2021-04-04 13:26:49 -04:00
workqueue_internal.h
workqueue.c Merge commit e7c6e405e1 ("Fix misc new gcc warnings") into android-mainline 2021-04-29 10:20:06 +01:00