I used the following command to extract backtraces leading to user level L3-misses in a simple evince benchmark: As it is clear, the sampling period is quite large (10000 events between consecutive samples). For this experiment, the output of perf script had some samples similar to this one: At the bottom of the backtrace, there is a symbol called [unknown],
Tag: trace
How to create high frequency logging (tracing) in Linux userspace?
I am starting a new user-space application and i want to create some common utilities for logging and tracing i distinguish between the 2 utilities. in my prespective logging should be something that is always on and used for high level information and debug. Where as tracing is much more detailed and more frequent. i think syslog is a good