Re: [PATCH v2 05/14] perf cs-etm: Increase default timestamp generation period
| Newsgroups | org.kernel.vger.linux-perf-users |
|---|---|
| Message-ID | <[email protected]> |
> The original purpose of timestamps in per-CPU mode was to roughly emit > samples in the order they occurred across multiple CPUs, rather than > emit all the trace from CPU 1 followed by all from CPU 2 etc. > Previously there was no way to change the interval from the minimum of 1 > cycle, but custom intervals are now supported by the driver. > > Drastically reduce the number of timestamps emitted by increasing the > interval, which is more than enough to interleave sample generation. > This reduces the size of the trace generated. > > Signed-off-by: James Clark <[email protected]> Sashiko has reviewed this patch and found no issues. It looks great! -- Sashiko AI review · https://sashiko.dev/#/patchset/20260821-james-cs-unformatted-per-thread-fix-v2-0-00c4fd0701b4@linaro.org?part=5