1
vote
0answers
15 views

Show all running tasks in Assembly

Is it possible to show/log everything what the CPU does? The CPU knows what it executes, so it could print the running threads/tasks on the screen or in a file.
0
votes
0answers
17 views

Are there two seperated schedulers in major operating systems, one for processes and one for their threads?

Let's assume a process is given the CPU on a single-core CPU system by the scheduler and let's assume this process has 10 threads. Who decides which of the ten threads gets the CPU? In other words, ...
0
votes
1answer
88 views

Cores and threads? How does it all work exactly?

I am confused by this ... if a CPU has 2 logical cores, it can run two programs 100% concurrent, yes? Otherwise, 2 programs on one CPU must be 100% time-divided (can't run independently as the same ...
0
votes
0answers
30 views

Command to get associated threads for pid in OSX

In Linux I can use one of the following ps -p pid -L -o pid,tid,%cpu,%mem ps -C command -L -o pid,tid %cpu,%mem What is the equivalent command for OS X ?.
0
votes
1answer
3k views

what does 2 core 4 threads mean in cpu?

I wanted to know what does 2 cores 4 threads mean about a cpu? I am talking about this cpu which i have http://ark.intel.com/products/47341/Intel-Core-i5-520M-Processor-3M-Cache-2_40-GHz I initially ...
1
vote
3answers
121 views

Single threaded process being executed on 2 cores

On my quad core cpu, it seems like a single thread (endless while loop) is being executed on 2 cores simultaneously. Why is this? Shouldn't a single thread be executed on one core only?
0
votes
1answer
127 views

Use all processor cores, 1 core/per 1 thread in *nix

According to xz documentation the "-T 4" means I should be using 4 threads, each compressing a different part of the file simultaneously. Before using nice -19 I would only get %50 usage of 1 core, ...
15
votes
3answers
2k views

Task Manager is saying the system is running with over a thousand threads

I opened up Task Manager and looked under the "System" area and saw: Threads: 1337 Since I have a dual-core processor with hyper-threading available (meaning four threads), how is it possible to ...
0
votes
0answers
821 views

CPU usage always around 40% because of wait-chain?

I am facing a very rare problem and it's causing much trouble. Whenever I boot my PC(HP 2000-2116tu, Win7, 4GB mem), there is a set of processes(legitimate ones and not virus), one of which starts to ...
1
vote
5answers
5k views

how can force a prgram to use all of CPU capacity?

I have Windows 7 And a Intel Core-i5 CPU (4Thread) some programs like Firefox, only use up to maximum 25% of All CPU(only 1 Thread) And some programs like Winrar, use up to 100% of All CPU Can ...
-1
votes
2answers
88 views

What do you call the “action of” striping threads across multiple processors? [closed]

A question of curiousity, I understand [one thread per core] or with time slicing, [many threads one core] But, is there a way even through emulation, even with a performance cost, to... how to say... ...
5
votes
2answers
546 views

Which logical CPU (core) belongs to which socket?

I need to test performance of a multithreaded program on 1 CPU, but I have a dual CPU machine. I need to set affinity to those logical CPU's, that share their socket, oterwise they strongly benefit ...
2
votes
2answers
3k views

What does “thread” mean as related to CPUs? [duplicate]

Possible Duplicate: What are threads, and what do they do in the processor? I know a process can have multiple threads, on my Windows 7 machine each process has over 10 threads in avg. ...
1
vote
1answer
768 views

Which processor/core is this process/service using?

What can i use to monitor which processor/core/thread an application is using? I have 16 processors and want to know which processor a specific application is using. I am running Windows Server 2003 ...
2
votes
1answer
143 views

Dual Core, Core 2 Duo, Core i Series

How does Dual Core, Core 2 Duo, Core i Series processors executes (1) process without threads (2) process with threads Actually I want to know how these processors distribute a single process ...