{Bp-Sched} backport various sched improvements #14044
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Register: smp
Register: nsh
Register: sh
Register: getprime
Register: ostest
Espressif HAL for 3rd Party Platforms: b4c723a119344b4b71d69819019d55637fb570fd
common/xtensa_cpupause.c: In function 'xtensa_pause_handler':
common/xtensa_cpupause.c:240:3: warning: implicit declaration of function 'xtensa_savestate'; did you mean 'xtensa_setps'? [-Wimplicit-function-declaration]
240 | xtensa_savestate(tcb->xcp.regs);
| ^~~~~~~~~~~~~~~~
| xtensa_setps
common/xtensa_cpupause.c:243:3: warning: implicit declaration of function 'xtensa_restorestate'; did you mean 'xtensa_context_restore'? [-Wimplicit-function-declaration]
243 | xtensa_restorestate(tcb->xcp.regs);
| ^~~~~~~~~~~~~~~~~~~
| xtensa_context_restore
Signed-off-by: hujun5 <hujun5@xiaomi.com>
for the citimon stats:
thread 0: thread 1:
enter_critical (t0)
up_switch_context
note suspend thread0 (t1)
thread running
IRQ happen, in ISR:
post thread0
up_switch_context
note resume thread0 (t2)
ISR continue f1
ISR continue f2
...
ISR continue fn
leave_critical (t3)
You will see, the thread 0, critical_section time is:
(t1 - t0) + (t3 - t2)
BUT, this result contains f1 f2 .. fn time spent, it is wrong
to tell user thead0 hold the critical lots of time but actually
not belong to it.
Resolve:
change the nxsched_suspend/resume_scheduler to real hanppends
Signed-off-by: ligd <liguiding1@xiaomi.com>
this is caused by: 35c8c80 Signed-off-by: ligd <liguiding1@xiaomi.com>
…th other functionalities removed. reason: by doing this we can reduce context switch time, When we exit from an interrupt handler, we directly use tcb->xcp.regs before text data bss dec hex filename 178368 876 130604 309848 4ba58 nuttx after text data bss dec hex filename 178120 876 130212 309208 4b7d8 nuttx szie change -248 Signed-off-by: hujun5 <hujun5@xiaomi.com>
CXX: libcxxmini/libxx_new.cxx "/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error apache#3422: use of the "register" storage class specifier is not allowed register uint32_t sp; ^ "/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error apache#3422: use of the "register" storage class specifier is not allowed register uint32_t sp; ^ "/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error apache#3422: use of the "register" storage class specifier is not allowed register uint32_t sp; ^ make[1]: *** [Makefile:69: libxx_delete_sized.o] Error 1 make[1]: *** Waiting for unfinished jobs.... make[1]: *** [Makefile:69: libxx_deletea_sized.o] Error 1 make[1]: *** [Makefile:69: libxx_new.o] Error 1 "/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error apache#3422: use of the "register" storage class specifier is not allowed register uint32_t sp; ^ "/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error apache#3422: use of the "register" storage class specifier is not allowed register uint32_t sp; ^ Signed-off-by: guoshichao <guoshichao@xiaomi.com>
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lupyuen
approved these changes
Oct 10, 2024
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Summary
PR included
#13717
#13651
#13662
#13623
#13737
Impact
RELEASE
Testing
CI