Linux Real Time Clock Resolution at Jenny Johnson blog

Linux Real Time Clock Resolution. The accuracy of various system calls that set timeouts, (e.g., select(2), sigtimedwait(2)). sufficiently recent versions of glibc and the linux kernel support the following clocks: the way clocks interact among themselves and the way they react to system events, such as cpu frequency scaling or entering. I don't see any value in the 7. It represents the time in the real world, also referred to as 'wall time' meaning the time as read from the clock. so the 'resolution' of 7 nanoseconds, is 1/100th of the time to do the call to get the time. the software clock, hz, and jiffies. what is the difference between granularity, resolution, precision, and accuracy? Before linux 2.6.21, the accuracy of timer and sleep system calls (see below) was also limited by the size.

linux Real Time clock regarding timestamp storage Unix & Linux
from unix.stackexchange.com

Before linux 2.6.21, the accuracy of timer and sleep system calls (see below) was also limited by the size. what is the difference between granularity, resolution, precision, and accuracy? The accuracy of various system calls that set timeouts, (e.g., select(2), sigtimedwait(2)). I don't see any value in the 7. the software clock, hz, and jiffies. so the 'resolution' of 7 nanoseconds, is 1/100th of the time to do the call to get the time. sufficiently recent versions of glibc and the linux kernel support the following clocks: It represents the time in the real world, also referred to as 'wall time' meaning the time as read from the clock. the way clocks interact among themselves and the way they react to system events, such as cpu frequency scaling or entering.

linux Real Time clock regarding timestamp storage Unix & Linux

Linux Real Time Clock Resolution The accuracy of various system calls that set timeouts, (e.g., select(2), sigtimedwait(2)). the way clocks interact among themselves and the way they react to system events, such as cpu frequency scaling or entering. The accuracy of various system calls that set timeouts, (e.g., select(2), sigtimedwait(2)). sufficiently recent versions of glibc and the linux kernel support the following clocks: the software clock, hz, and jiffies. It represents the time in the real world, also referred to as 'wall time' meaning the time as read from the clock. Before linux 2.6.21, the accuracy of timer and sleep system calls (see below) was also limited by the size. I don't see any value in the 7. so the 'resolution' of 7 nanoseconds, is 1/100th of the time to do the call to get the time. what is the difference between granularity, resolution, precision, and accuracy?

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