How does system clock increase its tick counterWhen do I need to specify add_efi_memmap as kernel argument in...

Multi tool use
Referring to different instances of the same character in time travel
diff shows a file that does not exist
How can an advanced civilization forget how to manufacture its technology?
Can I play a first turn Simic Growth Chamber to have 3 mana available in the second turn?
What would the EU do if an EU member declared war on another EU member?
Extract an attribute value from XML
Where is the USB2 OTG port on the RPi 4 Model B located?
Shortest distance around a pyramid
Why can't supermassive black holes merge? (or can they?)
Filtering fine silt/mud from water (not necessarily bacteria etc.)
What is temperature on a quantum level
Occasus nescius
Bronze Age Underwater Civilization
Why did the Japanese attack the Aleutians at the same time as Midway?
How do Windows version numbers work?
I quit, and boss offered me 3 month "grace period" where I could still come back
Keep milk (or milk alternative) for a day without a fridge
Why does resistance reduce when a conductive fabric is stretched?
I have a ruthless DM and I'm considering leaving the party. What are my options to minimize the negative impact to the rest of the group?
Why do players in the past play much longer tournaments than today's top players?
Steampunk helicopter
Can I call 112 to check a police officer's identity in the Czech Republic?
Why isn't there research to build a standard lunar, or Martian mobility platform?
Replacements for swear words
How does system clock increase its tick counter
When do I need to specify add_efi_memmap as kernel argument in UEFI/EFI boot?Linux/Embedded Linux - Understanding the Kernel and additional BSP specific componentsSilent disk errors and reliability of Linux swapHow to Allocate More Space to Swap and Increase its Size Greater than Ram?When exactly does context_switch() switch control to a new process?Slowdown the system clock in Linux serverDid the pivot_root() documentation anticipate the feature of mount namespaces?ACPI: Lid button driver not loaded/boundDoes the Linux kernel have its own page table?i.MX28 SOC DMA timeout on reading NAND FLASH
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ margin-bottom:0;
}
From what I currently understand, that system clock increase its tick counter separately from RTC (hardware clock) when linux is up. I think it is maintained internally by kernel by reading timer interrupt.
So how exactly the mechanism works? Does it require hardware such as timer chip as well?
linux-kernel
New contributor
Andri J is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
From what I currently understand, that system clock increase its tick counter separately from RTC (hardware clock) when linux is up. I think it is maintained internally by kernel by reading timer interrupt.
So how exactly the mechanism works? Does it require hardware such as timer chip as well?
linux-kernel
New contributor
Andri J is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
From what I currently understand, that system clock increase its tick counter separately from RTC (hardware clock) when linux is up. I think it is maintained internally by kernel by reading timer interrupt.
So how exactly the mechanism works? Does it require hardware such as timer chip as well?
linux-kernel
New contributor
Andri J is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
From what I currently understand, that system clock increase its tick counter separately from RTC (hardware clock) when linux is up. I think it is maintained internally by kernel by reading timer interrupt.
So how exactly the mechanism works? Does it require hardware such as timer chip as well?
linux-kernel
linux-kernel
New contributor
Andri J is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Andri J is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Andri J is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 19 mins ago


Andri JAndri J
1
1
New contributor
Andri J is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Andri J is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
0
active
oldest
votes
Your Answer
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "106"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Andri J is a new contributor. Be nice, and check out our Code of Conduct.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f529944%2fhow-does-system-clock-increase-its-tick-counter%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
0
active
oldest
votes
0
active
oldest
votes
active
oldest
votes
active
oldest
votes
Andri J is a new contributor. Be nice, and check out our Code of Conduct.
Andri J is a new contributor. Be nice, and check out our Code of Conduct.
Andri J is a new contributor. Be nice, and check out our Code of Conduct.
Andri J is a new contributor. Be nice, and check out our Code of Conduct.
Thanks for contributing an answer to Unix & Linux Stack Exchange!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f529944%2fhow-does-system-clock-increase-its-tick-counter%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
M,Hr1Q8,yqLvxnSrx1x4Skh8z 7FDa XBRAv,DcrC3JEq1F9b9X1r8iRyr P1Gj655dxwApB c4d0R4fwswiKrUMbg