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Courses>Operating Systems & Servers>Timing Subsystem in deep
IT & SoftwareTiming Subsystem in deep
Price:Paid
Length:5 hours
Content type:video
level:all levels
Updated:20 February 2024
Published:21 August 2022
Similar courses
Opportunities
Courses>Operating Systems & Servers>Timing Subsystem in deep
Timing Subsystem in deep
4.7 (148.0)
5 hours
148 students
What you will learn
1Programming timing in user space
2Timing Hardware
3Jiffies
4Low resolution & High resolution timers
5POSIX Clocks
Target audiences
1Linux Kernel Developers interested in gaining deep knowledge about timing subsystem
Requirements
1Should have a basic understanding of Linux Kernel modules
2C Language
FAQ
You can view and review the lecture materials indefinitely, like an on-demand channel.
Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
Description

Timing Measurements in Linux Kernel

Many computer activities are based on timing measurements.

E.g. Your Computer display is turned off, if you have not pressed a key or moved your mouse for a particular time.

Linux timing subsystem mainly handles two types of timing activities

        1. Keeping the current time and date

                a. time() , gettimeofday() and clock_gettime()

                b. Time stamps for files and network packets

        2. Maintaining Timers

                a. Mechanisms to notify kernel and user space (ex. alarm()) that a certain interval of time has elapsed.

Hardware Devices

Linux depends on hardware devices to maintain time. These devices can be basically classified into two types:

        1. Clocks/Counters:  provide precise time measurements

                Used to keep track of current time of day

        2. Timers: Issue interrupts at fixed, predefined frequency.

                Used for implementing software timers

What will you learn from this course?

  • Various timing commands: date, uptime

  • POSIX Clocks: CLOCK_BOOTTIME, CLOCK_MONOTONIC_RAW, CLOCK_REALTIME, CLOCK_PROCESS_CPUTIME_ID, CLOCK_THREAD_CPUTIME_ID

  • Timing System calls: ctime, gettimeofday, clock_gettime, clock_settime, clock_getres, times, getrusage

  • Setting time from userspace

  • How to measure time for a particular instruction

  • Hardware Devices used in timing measurement: RTC, TSC, Programmable Interval Timer, APIC, High Precision Event Timer

  • Jiffies

  • Low Resolution and High Resolution Timers

This course comes with a 30 day money back guaranteed!. If you are not satisfied with the course, you'll get your money back

So what are you waiting for, enroll now and take the next step in learning Timing subsystem in Linux Kernel

Similar courses
Opportunities
Make the most out of your online education
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All rights reserved
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Careertail
Courses>Operating Systems & Servers>Timing Subsystem in deep
IT & SoftwareTiming Subsystem in deep
Price:Paid
Length:5 hours
Content type:video
level:all levels
Updated:20 February 2024
Published:21 August 2022
Similar courses
Opportunities
Courses>Operating Systems & Servers>Timing Subsystem in deep
Timing Subsystem in deep
4.7 (148.0)
5 hours
148 students
What you will learn
1Programming timing in user space
2Timing Hardware
3Jiffies
4Low resolution & High resolution timers
5POSIX Clocks
Target audiences
1Linux Kernel Developers interested in gaining deep knowledge about timing subsystem
Requirements
1Should have a basic understanding of Linux Kernel modules
2C Language
FAQ
You can view and review the lecture materials indefinitely, like an on-demand channel.
Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
Description

Timing Measurements in Linux Kernel

Many computer activities are based on timing measurements.

E.g. Your Computer display is turned off, if you have not pressed a key or moved your mouse for a particular time.

Linux timing subsystem mainly handles two types of timing activities

        1. Keeping the current time and date

                a. time() , gettimeofday() and clock_gettime()

                b. Time stamps for files and network packets

        2. Maintaining Timers

                a. Mechanisms to notify kernel and user space (ex. alarm()) that a certain interval of time has elapsed.

Hardware Devices

Linux depends on hardware devices to maintain time. These devices can be basically classified into two types:

        1. Clocks/Counters:  provide precise time measurements

                Used to keep track of current time of day

        2. Timers: Issue interrupts at fixed, predefined frequency.

                Used for implementing software timers

What will you learn from this course?

  • Various timing commands: date, uptime

  • POSIX Clocks: CLOCK_BOOTTIME, CLOCK_MONOTONIC_RAW, CLOCK_REALTIME, CLOCK_PROCESS_CPUTIME_ID, CLOCK_THREAD_CPUTIME_ID

  • Timing System calls: ctime, gettimeofday, clock_gettime, clock_settime, clock_getres, times, getrusage

  • Setting time from userspace

  • How to measure time for a particular instruction

  • Hardware Devices used in timing measurement: RTC, TSC, Programmable Interval Timer, APIC, High Precision Event Timer

  • Jiffies

  • Low Resolution and High Resolution Timers

This course comes with a 30 day money back guaranteed!. If you are not satisfied with the course, you'll get your money back

So what are you waiting for, enroll now and take the next step in learning Timing subsystem in Linux Kernel

Similar courses
Opportunities
Make the most out of your online education
Careertail
Copyright © 2021 Careertail.
All rights reserved
Quick Links
Get StartedLog InAbout UsCourses
Company
BlogContactsPrivacy PolicyCookie PolicyTerms and Conditions
Stay up to date
Trustpilot