Remove Analysis Remove Hardware Remove Internet Remove Speed
article thumbnail

The Speed of Time

Brendan Gregg

This was a weird problem to think about: Time itself had now become a resource and target of performance analysis. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. Colleagues/Internet I love using [Linux performance tools].

Speed 126
article thumbnail

The Speed of Time

Brendan Gregg

This was a weird problem to think about: Time itself had now become a resource and target of performance analysis. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. Colleagues/Internet I love using Linux performance tools.

Speed 52
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

USENIX LISA2021 Computing Performance: On the Horizon

Brendan Gregg

This was a chance to talk about other things I've been working on, such as the present and future of hardware performance. The video is on [youtube]: The slides are on [slideshare] or as a [PDF]: I work on many areas of performance, but recently I've had a lot of demand to talk about BPF. Ford, et al., “TCP

article thumbnail

The Speed of Time

Brendan Gregg

This was a weird problem to think about: Time itself had now become a resource and target of performance analysis. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. Colleagues/Internet I love using [Linux performance tools].

Speed 40
article thumbnail

Compatibility Testing – An introduction

Testlodge

Results may vary because of factors like resolution, internet speed, and different OS versions. For medium to large scale applications, compatible with all commonly available operating systems and internet browsers is essential. Why Perform Compatibility Testing?

Testing 78
article thumbnail

Understanding operational 5G: a first measurement study on its coverage, performance and energy consumption

The Morning Paper

We are standing on the eve of the 5G era… 5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. The first 5G networks are now deployed and operational.

Energy 130
article thumbnail

12 different types of mobile testing with real-life examples

Testsigma

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? Let us have a look at the most popular types of mobile testing for applications and hardware.

Mobile 82