Sutter's Mill

MARCH 11, 2024

To talk about C++’s current safety problems and solutions well, I need to include the context of the broad landscape of security and safety threats facing all software. tl;dr: I don’t want C++ to limit what I can express efficiently. tl;dr: I don’t want C++ to limit what I can express efficiently. issues with C++.

C++ 139

C++ Programming Code Java 139

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

Speed 126

Speed Java AWS Virtualization 126

Brendan Gregg

AUGUST 29, 2021

Hit Ctrl-C to end. ^C C msecs : count distribution 0 -> 1 : 83 | | 2 -> 3 : 20 | | 4 -> 7 : 0 | | 8 -> 15 : 41 | | 16 -> 31 : 1620 | * | 32 -> 63 : 8139 | *| 64 -> 127 : 176 | | 128 -> 255 : 95 | | 256 -> 511 : 61 | | 512 -> 1023 : 93 | |. . ## 4. Hit Ctrl-C to end. ^C 41 33681 ^C. Tracing block device I/O.

Cache 105

Cache C++ AWS Latency 105

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. This is how Java flame graphs looked at the time. Maybe Java is calling it more often for some reason.

Speed 52

Speed Java AWS Virtualization 52

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

Speed 40

Speed Java AWS Virtualization 40

Brendan Gregg

JULY 30, 2017

In late 2014 I was modifying the JDK to preserve the frame pointer so that traditional stack walkers and profilers would work (an example of the problem is here , where Java methods lack ancestry). After I fixed the frame pointer, profiling Java looked like this ( SVG ): It worked! Sometimes the profiled Java symbols use "."

Code 40

Code Java C++ Website 40

Smashing Magazine

DECEMBER 2, 2021

The Java Advent 2021 is here! The project started in 2012 with the idea of providing technical content during the Christmas Advent period, so keep looking for nice things under the Java Christmas tree! ??. C# Advent Calendar. It’s time for the fifth annual C# advent calendar that will feature two pieces of content every day.

Design 108

Design Development Programming Website 108