IBS perf test failures on 9950x3d

From: Arnaldo Carvalho de Melo
Date: Fri May 16 2025 - 22:03:04 EST

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Ravi,

Does this look familiar?

⬢ [acme@toolbx perf-tools-next]$ git log --oneline -10
8cdf00b843ea3ca0 (HEAD -> perf-tools-next) perf record: Fix a asan runtime error in util/maps.c
208c0e16834472bb perf record: Add 8-byte aligned event type PERF_RECORD_COMPRESSED2
bcfab08db7fb38bf perf intel-tpebs: Filter non-workload samples
1c5721ca89a1c8ae (x1/perf-tools-next, x1/HEAD, five/perf-tools-next, five/HEAD) perf test: Allow tolerance for leader sampling test
cb422594d62066a5 perf test: Add stat uniquifying test
137359b7895f61cd perf parse-events: Use wildcard processing to set an event to merge into
7d45f402d3117e0b perf evlist: Make uniquifying counter names consistent
ef60b8f5724da364 perf trace: Support --summary-mode=cgroup
39922dc53c268429 perf report: Add 'tgid' sort key
b922881712743035 perf test: Update sysfs path for core PMU caps
⬢ [acme@toolbx perf-tools-next]$

I'll push my local branch soon, but I think this predates it.

If it needs a specific kernel, then the test needs to cope with that,
etc.

- Arnaldo

root@number:~# perf test -vvvvv 115
115: AMD IBS sample period:
--- start ---
test child forked, pid 1949350
Using CPUID AuthenticAMD-26-44-0

IBS config tests:
-----------------
Fetch PMU tests:
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0xffff : Fail (nr samples: 0)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0x1000 : Fail (nr samples: 0)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0xff : Ok (nr samples: 5)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0x1 : Ok (nr samples: 101)
0x0 : Ok
0x10000 : Ok
Op PMU tests:
0x0 : Ok
0x1 : Fail
0x8 : Fail
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0x9 : Ok (nr samples: 101)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0xf : Ok (nr samples: 101)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0x1000 : Fail (nr samples: 0)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0xffff : Fail (nr samples: 0)
0x10000 : Ok
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0x100000 : Fail (nr samples: 0)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0xf00000 : Fail (nr samples: 0)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0xf0ffff : Fail (nr samples: 0)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0x1f0ffff : Fail (nr samples: 0)
mprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission deniedmprotect() failed. Permission denied0x7f0ffff : Fail (nr samples: 0)
0x8f0ffff : Ok
0x17f0ffff : Ok

IBS sample period constraint tests:
-----------------------------------
Fetch PMU test:
freq 0, sample_freq 0: Ok
freq 0, sample_freq 1: Fail
freq 0, sample_freq 15: Fail
mprotect() failed. Permission deniedfreq 0, sample_freq 16: Ok (nr samples: 202)
mprotect() failed. Permission deniedfreq 0, sample_freq 17: Ok (nr samples: 101)
mprotect() failed. Permission deniedfreq 0, sample_freq 143: Ok (nr samples: 101)
mprotect() failed. Permission deniedfreq 0, sample_freq 144: Ok (nr samples: 101)
mprotect() failed. Permission deniedfreq 0, sample_freq 145: Ok (nr samples: 101)
mprotect() failed. Permission deniedfreq 0, sample_freq 1234: Ok (nr samples: 4)
mprotect() failed. Permission deniedfreq 0, sample_freq 4103: Fail (nr samples: 0)
mprotect() failed. Permission deniedfreq 0, sample_freq 65520: Fail (nr samples: 0)
mprotect() failed. Permission deniedfreq 0, sample_freq 65535: Fail (nr samples: 0)
mprotect() failed. Permission deniedfreq 0, sample_freq 65552: Fail (nr samples: 0)
mprotect() failed. Permission deniedfreq 0, sample_freq 8388607: Fail (nr samples: 0)
mprotect() failed. Permission deniedfreq 0, sample_freq 268435455: Fail (nr samples: 0)
freq 1, sample_freq 0: Ok
mprotect() failed. Permission deniedfreq 1, sample_freq 1: Ok (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 15: Ok (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 16: Ok (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 17: Ok (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 143: Ok (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 144: Ok (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 145: Ok (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 1234: Ok (nr samples: 4)
mprotect() failed. Permission deniedfreq 1, sample_freq 4103: Ok (nr samples: 4)
mprotect() failed. Permission deniedfreq 1, sample_freq 65520: Ok (nr samples: 8)
mprotect() failed. Permission deniedfreq 1, sample_freq 65535: Ok (nr samples: 8)
mprotect() failed. Permission deniedfreq 1, sample_freq 65552: Ok (nr samples: 8)
freq 1, sample_freq 8388607: Ok
Op PMU test:
freq 0, sample_freq 0: Ok
freq 0, sample_freq 1: Fail
freq 0, sample_freq 15: Fail
freq 0, sample_freq 16: Fail
freq 0, sample_freq 17: Fail
freq 0, sample_freq 143: Fail
mprotect() failed. Permission deniedfreq 0, sample_freq 144: Ok (nr samples: 101)
mprotect() failed. Permission deniedfreq 0, sample_freq 145: Ok (nr samples: 101)
mprotect() failed. Permission deniedfreq 0, sample_freq 1234: Ok (nr samples: 101)
mprotect() failed. Permission deniedfreq 0, sample_freq 4103: Ok (nr samples: 6)
mprotect() failed. Permission deniedfreq 0, sample_freq 65520: Fail (nr samples: 0)
mprotect() failed. Permission deniedfreq 0, sample_freq 65535: Fail (nr samples: 0)
mprotect() failed. Permission deniedfreq 0, sample_freq 65552: Fail (nr samples: 0)
mprotect() failed. Permission deniedfreq 0, sample_freq 8388607: Fail (nr samples: 0)
mprotect() failed. Permission deniedfreq 0, sample_freq 268435455: Fail (nr samples: 0)
freq 1, sample_freq 0: Ok
mprotect() failed. Permission deniedfreq 1, sample_freq 1: Fail (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 15: Fail (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 16: Fail (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 17: Fail (nr samples: 3)
mprotect() failed. Permission deniedfreq 1, sample_freq 143: Fail (nr samples: 4)
mprotect() failed. Permission deniedfreq 1, sample_freq 144: Fail (nr samples: 4)
mprotect() failed. Permission deniedfreq 1, sample_freq 145: Fail (nr samples: 4)
mprotect() failed. Permission deniedfreq 1, sample_freq 1234: Fail (nr samples: 4)
mprotect() failed. Permission deniedfreq 1, sample_freq 4103: Fail (nr samples: 5)
mprotect() failed. Permission deniedfreq 1, sample_freq 65520: Fail (nr samples: 9)
mprotect() failed. Permission deniedfreq 1, sample_freq 65535: Fail (nr samples: 9)
mprotect() failed. Permission deniedfreq 1, sample_freq 65552: Fail (nr samples: 9)
freq 1, sample_freq 8388607: Ok

IBS ioctl() tests:
------------------
Fetch PMU tests
ioctl(period = 0x0 ): Ok
ioctl(period = 0x1 ): Fail
ioctl(period = 0xf ): Fail
ioctl(period = 0x10 ): Ok
ioctl(period = 0x11 ): Fail
ioctl(period = 0x1f ): Fail
ioctl(period = 0x20 ): Ok
ioctl(period = 0x80 ): Ok
ioctl(period = 0x8f ): Fail
ioctl(period = 0x90 ): Ok
ioctl(period = 0x91 ): Fail
ioctl(period = 0x100 ): Ok
ioctl(period = 0xfff0 ): Ok
ioctl(period = 0xffff ): Fail
ioctl(period = 0x10000 ): Ok
ioctl(period = 0x1fff0 ): Ok
ioctl(period = 0x1fff5 ): Fail
ioctl(freq = 0x0 ): Ok
ioctl(freq = 0x1 ): Ok
ioctl(freq = 0xf ): Ok
ioctl(freq = 0x10 ): Ok
ioctl(freq = 0x11 ): Ok
ioctl(freq = 0x1f ): Ok
ioctl(freq = 0x20 ): Ok
ioctl(freq = 0x80 ): Ok
ioctl(freq = 0x8f ): Ok
ioctl(freq = 0x90 ): Ok
ioctl(freq = 0x91 ): Ok
ioctl(freq = 0x100 ): Ok
Op PMU tests
ioctl(period = 0x0 ): Ok
ioctl(period = 0x1 ): Fail
ioctl(period = 0xf ): Fail
ioctl(period = 0x10 ): Fail
ioctl(period = 0x11 ): Fail
ioctl(period = 0x1f ): Fail
ioctl(period = 0x20 ): Fail
ioctl(period = 0x80 ): Fail
ioctl(period = 0x8f ): Fail
ioctl(period = 0x90 ): Ok
ioctl(period = 0x91 ): Fail
ioctl(period = 0x100 ): Ok
ioctl(period = 0xfff0 ): Ok
ioctl(period = 0xffff ): Fail
ioctl(period = 0x10000 ): Ok
ioctl(period = 0x1fff0 ): Ok
ioctl(period = 0x1fff5 ): Fail
ioctl(freq = 0x0 ): Ok
ioctl(freq = 0x1 ): Ok
ioctl(freq = 0xf ): Ok
ioctl(freq = 0x10 ): Ok
ioctl(freq = 0x11 ): Ok
ioctl(freq = 0x1f ): Ok
ioctl(freq = 0x20 ): Ok
ioctl(freq = 0x80 ): Ok
ioctl(freq = 0x8f ): Ok
ioctl(freq = 0x90 ): Ok
ioctl(freq = 0x91 ): Ok
ioctl(freq = 0x100 ): Ok

IBS freq (negative) tests:
--------------------------
freq 1, sample_freq 200000: Fail

IBS L3MissOnly test: (takes a while)
--------------------
Fetch L3MissOnly: Fail (nr_samples: 299)
Op L3MissOnly: Ok (nr_samples: 444)
---- end(-1) ----
115: AMD IBS sample period : FAILED!
root@number:~#
root@number:~#
root@number:~#
root@number:~# uname -r
6.14.5-300.fc42.x86_64
root@number:~# grep -m1 "model name" /proc/cpuinfo
model name : AMD Ryzen 9 9950X3D 16-Core Processor
root@number:~#

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Next in thread: Ravi Bangoria: "Re: IBS perf test failures on 9950x3d"
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