/* NMI safe access to clock boottime */ return ktime_get_boot_fast_ns(); } const struct bpf_func_proto bpf_ktime_get_boot_ns_proto = { .func = bpf_ktime_get_boot_ns, .gpl_only = false, .ret_type = RET_INTEGER, }; BPF_CALL_0(bpf_get_current_pid_tgid) ...
ktime_get_coarse_ns等函数用于纳秒级时间获取。ktime_mono_to_real将单调时间转换为真实时间。ktime_get_ns等函数用于系统时间、真实时间等纳秒级获取。ktime_get_boottime_ts64和ktime_get_coarse_boottime_ts64用于获取启动时间。ktime_get_boottime_seconds获取秒级启动时间。ktime_get_clocktai_...
顺便利用通过Tektronix示波器 和 DS100 Mini 数字示波器进行交叉测试。...HRTIMER_TEST_CYCLE), HRTIMER_MODE_REL); 在定时器回调函数中,增加定时到期时间:hrtimer_forward(timer, timer->base->get_time(), ktime_set...value; hrtimer_forward(timer, timer->base->get_time(), ktime_set(HRTIMER_TEST_...
(div>>32)){s64ns=kt;u64tmp=ns<0?-ns:ns;do_div(tmp,div);returnns<0?-tmp:tmp;}else{return__ktime_divns(kt,div);}}#else/* BITS_PER_LONG < 64 */staticinlines64ktime_div
Annotation kernel can get tool activity Download SCCT Chinese Name:ktime_get_boottime_ns Proto:static inline u64 ktime_get_boottime_ns(void) Type:u64 Parameter:Nothing164 Return Convert ktime_t to nanoseconds Caller NameDescribe copy_process Create a new process bpf_prog_load Source...
函数名称:Convert ktime_t to nanoseconds 函数原型:static inline s64 ktime_to_ns(const ktime_t kt) 返回类型:s64 参数: 类型参数名称 const ktime_tkt 99返回:kt 源代码转换工具 开放的插件接口X 支持:c/c++/esqlc/java Oracle/Informix/Mysql ...
current_time = ktime_to_ms(ktime_get());if(first_call) { first_call =false; }else{ this_time = current_time - last_time; } total_time += this_time; up_delay = up2gn_delay; top_freq = idle_bottom_freq; bottom_freq = idle_bottom_freq;if(smp_processor_id() ==0) ...
intalarm_set_alarm(char* alarm_data){structrtc_wkalrmalm;intret;charbuf_ptr[BOOTALM_BIT_TOTAL+1];structrtc_timertc_tm;unsignedlongrtc_sec;unsignedlongrtc_alarm_time;structtimespecrtc_delta;structtimespecwall_time;ktime_twall_ktm;structrtc_timewall_tm;structrtc_device*rtc_dev=alarmtimer_get_...
...获取内核高精度时间单位: ktime_t ktime_get(void) 下面是一些时间辅助函数用于计算和转换: ktime_t ktime_set(const long secs, const unsigned 2.9K50 Linux·Linux Linux 文件系统 目录 说明 bin 存放二进制可执行文件 sbin 存放二进制可执行文件,只有 root 才能访问 boot 存放用于系统引导时使用的...
tv->tv_usec = (ns % (1000ULL * 1000 * 1000)) / 1000; return RT_EOK; } @@ -28,9 +28,9 @@ rt_weak rt_err_t rt_ktime_boottime_get_s(time_t *t) { RT_ASSERT(t != RT_NULL); unsigned long ns = (rt_ktime_cputimer_getcnt() * rt_ktime_cputimer_getres()) / RT...