Seems intel_pt works now on 23.04.
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1641859
Title:
perf compiled without auxtrace
Status in linux package in Ubuntu:
Fix Released
Bug description:
perf in linux-tools-common_4.8.0-27.29 seems to be compiled without auxtrace
support. This prevents perf from using Intel Processor Trace (PT) or Branch
Trace Store (BTS). Unfortunately, rather than indicating that auxtrace is
missing, perf just records no samples:
# grep -c intel_pt /proc/cpuinfo
8
# perf list | grep intel_pt
# grep intel_pt /proc/cpuinfo
# perf record -e intel_pt// -- ls
...
# perf script
I am able to successfully to use PT on my machine if I compile perf
myself.
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