Re: [lttng-dev] Profiling LTTng tracepoint latency on different arm platforms
Mathieu Desnoyers via lttng-dev <[email protected]>
| Newsgroups | org.lttng.lists.lttng-dev |
|---|---|
| Message-ID | <[email protected]> |
On 6/20/23 06:27, Mousa, Anas via lttng-dev wrote: > Hello, > > Arethereanysuggestionstorootcausethehighlatencyandpotentiallyimproveiton*platform****1*? > > Thanks and best regards, > > Anas. > I recommend using "perf" when tracing with the sample program in a loop to figure out the hot spots. With that information on the "fast" and "slow" system, we might be able to figure out what differs. Also, comparing the kernel configurations of the two systems can help. Also comparing the glibc versions of the two systems would be relevant. Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev