Do not format immediately when calling sched_note_printf, but delay formatting until dump trace.
After turning on SYSTEM_NOTE, similar asynchronous syslog functions can be achieved.
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
Some app with same code runs on different cores in AMP mode,
need known physical core id on which the function is called.
Signed-off-by: fangxinyong <fangxinyong@xiaomi.com>
Original code can only deal with single 'address & size' cell
Add function dealing with multiple 'address & size' cell
Add function getting 'bankwidth' property, for cfi-flash device
Signed-off-by: zhengyu9 <zhengyu9@xiaomi.com>
Signed-off-by: ligd <liguiding1@xiaomi.com>
This extension for the event group, to establish a connection between
named event groups and a task. The task may reference the event group
associated with a VFS-based name. Then the event group can be used
in subsequent calls to nxevent_wait() or nxevent_post().
This is an internal OS interface and should not be used by applications.
Signed-off-by: fangxinyong <fangxinyong@xiaomi.com>
reason:
To remove the "sync pause" and decouple the critical section from the dependency on enabling interrupts,
after that we need to further implement "schedlock + spinlock".
changelist
1 Modify the implementation of critical sections to no longer involve enabling interrupts or handling synchronous pause events.
2 GIC_SMP_CPUCALL attach to pause handler to remove arch interface up_cpu_paused_restore up_cpu_paused_save
3 Completely remove up_cpu_pause, up_cpu_resume, up_cpu_paused, and up_cpu_pausereq
4 change up_cpu_pause_async to up_send_cpu_sgi
Signed-off-by: hujun5 <hujun5@xiaomi.com>
Add heap current used to note.
Plot it in segger sysview data plot.
Signed-off-by: xuxingliang <xuxingliang@xiaomi.com>
Signed-off-by: Neo Xu <neo.xu1990@gmail.com>
Record all memory allocation and release, save to ram, used to analyze memory allocation rate and memory usage
Its absolute value is not trustworthy because the memory will be allocated in thread A and released in thread B
netinit-5 [0] 0.105984392: tracing_mark_write: C|5|Heap Usage|96|free: heap: 0x606000000020 size:24, address: 0x603000000370
netinit-5 [0] 0.105996874: tracing_mark_write: C|5|Heap Usage|24|free: heap: 0x606000000020 size:72, address: 0x6070000008e0
nsh_main-4 [0] 3.825169408: tracing_mark_write: C|4|Heap Usage|2177665|free: heap: 0x606000000020 size:424, address: 0x614000000840
nsh_main-4 [0] 3.825228525: tracing_mark_write: C|4|Heap Usage|14977|free: heap: 0x606000000020 size:2162688, address: 0x7f80a639f800
nsh_main-4 [0] 3.825298789: tracing_mark_write: C|4|Heap Usage|15189|malloc: heap: 0x606000000020 size:20, address: 0x6030000003a0
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
Signed-off-by: Neo Xu <neo.xu1990@gmail.com>
In secure state, call virtio_register_mmio_device_secure() to
register the secure virtio mmio device;
In non-secure state, call virtio_register_mmio_device() to
register the non-secure virtio mmio device;
Board should ensure not mixed use the secure and non-seucre mmio
device.
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
1. use '__attribute__((constructor))' mark initialize function
2. use '__attribute__((destructor))' mark uninitialize function
3. compile module with -fvisibility=hidden. use `__attribute__((visibility("default")))`
mark is need export symbol.so not need module_initialize to initialize export symbol.
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
reason:
1 To improve efficiency, we mimic Linux's behavior where preemption disabling is only applicable to the current CPU and does not affect other CPUs.
2 In the future, we will implement "spinlock+sched_lock", and use it extensively. Under such circumstances, if preemption is still globally disabled, it will seriously impact the scheduling efficiency.
3 We have removed g_cpu_lockset and used irqcount in order to eliminate the dependency of schedlock on critical sections in the future, simplify the logic, and further enhance the performance of sched_lock.
4 We set lockcount to 1 in order to lock scheduling on all CPUs during startup, without the need to provide additional functions to disable scheduling on other CPUs.
5 Cpu1~n must wait for cpu0 to enter the idle state before enabling scheduling because it prevents CPUs1~n from competing with cpu0 for the memory manager mutex, which could cause the cpu0 idle task to enter a wait state and trigger an assert.
size nuttx
before:
text data bss dec hex filename
265396 51057 63646 380099 5ccc3 nuttx
after:
text data bss dec hex filename
265184 51057 63642 379883 5cbeb nuttx
size -216
Configuring NuttX and compile:
$ ./tools/configure.sh -l qemu-armv8a:nsh_smp
$ make
Running with qemu
$ qemu-system-aarch64 -cpu cortex-a53 -smp 4 -nographic \
-machine virt,virtualization=on,gic-version=3 \
-net none -chardev stdio,id=con,mux=on -serial chardev:con \
-mon chardev=con,mode=readline -kernel ./nuttx
Signed-off-by: hujun5 <hujun5@xiaomi.com>
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
