I am attempting to diagnose a reproduction of:
-
13:15:37 (+ 0.000029) futex(0x55bcc7b568d8, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, FUTEX_BITSET_MATCH_ANY) = 0 <299.662141> 13:20:37 (+ 299.662324) futex(0x55bcc7b56890, FUTEX_WAKE_PRIVATE, 1) = 0 <0.000085> -
real 5m8.252s user 0m0.307s sys 0m0.273s
However, when I invoke:
#!/usr/bin/env bash
perf record --debuginfod --call-graph dwarf plasma-discover
…I see:
debuginfodsupport requested, butperfis not built with it.
I see that this appears to be solely available at compile-time:
Consequently, should I file an RHBZ ticket, or does sensible rationale exist for it to not be enabled? The reason I haven’t presumed so is t/159053/3, although flamegraphs do, generally, appear to include symbols. I’d upload an example here, except: