top&io

android/external/toybox/toys/posix/ps.c

android/kernel_platform/common/include/linux/kernel_stat.h

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android/kernel_platform/msm-kernel/kernel/sched/cputime.c

android/kernel_platform/common/drivers/clocksource/hyperv_timer.c

486  #elif defined CONFIG_PARAVIRT
487  static __always_inline void hv_setup_sched_clock(void *sched_clock)
488  {
489      /* We're on x86/x64 *and* using PV ops */
490      paravirt_set_sched_clock(sched_clock);
491  }
492  #else /* !CONFIG_GENERIC_SCHED_CLOCK && !CONFIG_PARAVIRT */
493  static __always_inline void hv_setup_sched_clock(void *sched_clock) {}

​

io

android/external/toybox/toys/posix/ps.c

 # /proc/31142/io
/system/bin/sh: /proc/31142/io: can't execute: Permission denied
:/ # cat /proc/31142/io
rchar: 347014
wchar: 119197
syscr: 480
syscw: 1678
read_bytes: 10043392
write_bytes: 0
cancelled_write_bytes: 0

android/kernel_platform/common/kernel/sched/sched.h

75  #ifdef CONFIG_PARAVIRT
76  # include <asm/paravirt.h>
77  #endif

CPU Steal time-优快云博客

https://juejin.cn/post/7368413086954668068

CPU Steal time-优快云博客

https://zhuanlan.zhihu.com/p/699724119