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[do not merge] CI experiments #112049

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@Kobzol Kobzol commented May 28, 2023 •
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Various CI experiments for try/dist builds.

r? @ghost

@rustbot rustbot added A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. labels May 28, 2023
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Kobzol commented May 28, 2023

@bors try @rust-timer queue

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@rustbot rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label May 28, 2023
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bors commented May 28, 2023

⌛ Trying commit c42e33cf36e728937b9e7d9bbb16c17d0b364e23 with merge c60ecf63ab7a2a0a260b0a8ee02adff4f4dbfe87...

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bors commented May 28, 2023

☀️ Try build successful - checks-actions
Build commit: c60ecf63ab7a2a0a260b0a8ee02adff4f4dbfe87 (c60ecf63ab7a2a0a260b0a8ee02adff4f4dbfe87)

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rust-timer commented May 29, 2023

Finished benchmarking commit (c60ecf63ab7a2a0a260b0a8ee02adff4f4dbfe87): comparison URL.

Overall result: ❌✅ regressions and improvements - ACTION NEEDED

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf.

Next Steps: If you can justify the regressions found in this try perf run, please indicate this with @rustbot label: +perf-regression-triaged along with sufficient written justification. If you cannot justify the regressions please fix the regressions and do another perf run. If the next run shows neutral or positive results, the label will be automatically removed.

@bors rollup=never
@rustbot label: -S-waiting-on-perf +perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 0.3% [0.3%, 0.3%] 2
Regressions ❌
(secondary)		 0.3% [0.3%, 0.3%] 2
Improvements ✅
(primary)		 -0.3% [-0.3%, -0.3%] 1
Improvements ✅
(secondary)		 -0.4% [-0.7%, -0.2%] 9
All ❌✅ (primary) 0.1% [-0.3%, 0.3%] 3

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 3.4% [3.4%, 3.4%] 1
Regressions ❌
(secondary)		 1.8% [1.8%, 1.8%] 1
Improvements ✅
(primary)		 -3.5% [-3.5%, -3.5%] 1
Improvements ✅
(secondary)		 -3.4% [-3.7%, -3.1%] 2
All ❌✅ (primary) -0.1% [-3.5%, 3.4%] 2

Cycles

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 - - 0
Improvements ✅
(primary)		 - - 0
Improvements ✅
(secondary)		 -2.0% [-2.2%, -1.7%] 2
All ❌✅ (primary) - - 0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 646.44s -> 646.666s (0.03%)

@rustbot rustbot added perf-regression Performance regression. and removed S-waiting-on-perf Status: Waiting on a perf run to be completed. labels May 29, 2023
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Kobzol commented May 29, 2023

Looks like removing libcore from the profile set doesn't hurt much. Now I'll try to also completely remove rustc-perf gathering when gathering LLVM PGO profiles.

Looks like after the initial stage 2 build with an instrumented LLVM, there is already 6 GiB of profiles (after benchmarks it's usually 20 GiB). So instrumenting stage 2 build provides a lot of data! I'll try what happens if we delete the profiles.

@bors try @rust-timer queue

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@rustbot rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label May 29, 2023
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bors commented May 29, 2023

⌛ Trying commit 31c917d813e3461b6babe1220a1ac15fc66eae53 with merge 3004a6cee0725e571674b0efdefcd9b82b1e11d6...

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bors commented May 29, 2023

☀️ Try build successful - checks-actions
Build commit: 3004a6cee0725e571674b0efdefcd9b82b1e11d6 (3004a6cee0725e571674b0efdefcd9b82b1e11d6)

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Kobzol commented May 29, 2023

@bors try

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bors commented May 29, 2023

⌛ Trying commit 042e02535bb5a95c8d6d77fc5954d762b73079e0 with merge ed48ba9307a0a1b523e3519499c3918be2dba056...

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rust-timer commented May 29, 2023

Finished benchmarking commit (3004a6cee0725e571674b0efdefcd9b82b1e11d6): comparison URL.

Overall result: ❌ regressions - ACTION NEEDED

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf.

Next Steps: If you can justify the regressions found in this try perf run, please indicate this with @rustbot label: +perf-regression-triaged along with sufficient written justification. If you cannot justify the regressions please fix the regressions and do another perf run. If the next run shows neutral or positive results, the label will be automatically removed.

@bors rollup=never
@rustbot label: -S-waiting-on-perf +perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 3.2% [0.3%, 7.3%] 51
Regressions ❌
(secondary)		 3.1% [0.4%, 5.9%] 24
Improvements ✅
(primary)		 - - 0
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) 3.2% [0.3%, 7.3%] 51

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 2.5% [2.5%, 2.5%] 1
Improvements ✅
(primary)		 - - 0
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) - - 0

Cycles

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 2.6% [0.8%, 4.1%] 32
Regressions ❌
(secondary)		 2.8% [1.8%, 3.6%] 12
Improvements ✅
(primary)		 - - 0
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) 2.6% [0.8%, 4.1%] 32

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 642.999s -> 642.878s (-0.02%)

@rustbot rustbot removed the S-waiting-on-perf Status: Waiting on a perf run to be completed. label May 29, 2023
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bors commented May 29, 2023

☀️ Try build successful - checks-actions
Build commit: ed48ba9307a0a1b523e3519499c3918be2dba056 (ed48ba9307a0a1b523e3519499c3918be2dba056)

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Kobzol commented May 29, 2023

@rust-timer build ed48ba9307a0a1b523e3519499c3918be2dba056

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rust-timer commented May 29, 2023

Finished benchmarking commit (ed48ba9307a0a1b523e3519499c3918be2dba056): comparison URL.

Overall result: ✅ improvements - no action needed

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf.

@bors rollup=never
@rustbot label: -S-waiting-on-perf -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 - - 0
Improvements ✅
(primary)		 -1.0% [-2.0%, -0.3%] 33
Improvements ✅
(secondary)		 -1.1% [-1.5%, -0.4%] 12
All ❌✅ (primary) -1.0% [-2.0%, -0.3%] 33

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 2.5% [2.5%, 2.5%] 1
Improvements ✅
(primary)		 - - 0
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) - - 0

Cycles

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 - - 0
Improvements ✅
(primary)		 - - 0
Improvements ✅
(secondary)		 -2.8% [-2.8%, -2.8%] 1
All ❌✅ (primary) - - 0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 642.999s -> 644.35s (0.21%)

@rustbot rustbot removed the perf-regression Performance regression. label May 29, 2023
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Kobzol commented Dec 8, 2025

@bors try jobs=dist-x86_64-linux @rust-timer queue backends=llvm,cranelift

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rust-bors bot added a commit that referenced this pull request Dec 8, 2025
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Auto merge of #112049 - Kobzol:pgo-omit-benchmarks, r=<try>
7433255 
[do not merge] CI experiments

try-job: dist-x86_64-linux
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@rustbot rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Dec 8, 2025
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rust-bors bot commented Dec 8, 2025

💔 Test for 7433255 failed: CI

@bjorn3 bjorn3 mentioned this pull request Dec 9, 2025
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Kobzol commented Dec 9, 2025

@bors try jobs=dist-x86_64-linux

rust-bors bot added a commit that referenced this pull request Dec 9, 2025
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Auto merge of #112049 - Kobzol:pgo-omit-benchmarks, r=<try>
f4c67a3 
[do not merge] CI experiments

try-job: dist-x86_64-linux
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rust-bors bot commented Dec 9, 2025

💔 Test for f4c67a3 failed: CI. Failed jobs:

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Kobzol commented Dec 9, 2025

@bors try

rust-bors bot added a commit that referenced this pull request Dec 9, 2025
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Auto merge of #112049 - Kobzol:pgo-omit-benchmarks, r=<try>
6015163 
[do not merge] CI experiments
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rust-log-analyzer commented Dec 9, 2025

The job x86_64-gnu-gcc failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot) 
test [debuginfo-gdb] tests/debuginfo/thread.rs ... ok

failures:

---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-external-attr.rs stdout ----
NOTE: compiletest thinks it is using GDB version 12001000
------gdb stdout------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
[Inferior 1 (process 28467) exited normally]

------gdb stderr------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-external-attr.gdb/collapse-debuginfo-external-attr.debugger.script:11: Error in sourced command file:
The program is not being run.

------------------------------------------

error: gdb failed to execute
status: exit status: 1
command: PYTHONPATH="/checkout/src/etc" "/usr/bin/gdb" "-quiet" "-batch" "-nx" "-command=/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-external-attr.gdb/collapse-debuginfo-external-attr.debugger.script"
--- stdout -------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
[Inferior 1 (process 28467) exited normally]
------------------------------------------
--- stderr -------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-external-attr.gdb/collapse-debuginfo-external-attr.debugger.script:11: Error in sourced command file:
The program is not being run.
------------------------------------------

---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-external-attr.rs stdout end ----
---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-external-flag.rs stdout ----
NOTE: compiletest thinks it is using GDB version 12001000
------gdb stdout------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
[Inferior 1 (process 28470) exited normally]

------gdb stderr------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-external-flag.gdb/collapse-debuginfo-external-flag.debugger.script:11: Error in sourced command file:
The program is not being run.

------------------------------------------

error: gdb failed to execute
status: exit status: 1
command: PYTHONPATH="/checkout/src/etc" "/usr/bin/gdb" "-quiet" "-batch" "-nx" "-command=/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-external-flag.gdb/collapse-debuginfo-external-flag.debugger.script"
--- stdout -------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
[Inferior 1 (process 28470) exited normally]
------------------------------------------
--- stderr -------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-external-flag.gdb/collapse-debuginfo-external-flag.debugger.script:11: Error in sourced command file:
The program is not being run.
------------------------------------------

---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-external-flag.rs stdout end ----
---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-external-flag-overriden-by-attr.rs stdout ----
NOTE: compiletest thinks it is using GDB version 12001000
------gdb stdout------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
[Inferior 1 (process 28473) exited normally]

------gdb stderr------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-external-flag-overriden-by-attr.gdb/collapse-debuginfo-external-flag-overriden-by-attr.debugger.script:11: Error in sourced command file:
The program is not being run.

------------------------------------------

error: gdb failed to execute
status: exit status: 1
command: PYTHONPATH="/checkout/src/etc" "/usr/bin/gdb" "-quiet" "-batch" "-nx" "-command=/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-external-flag-overriden-by-attr.gdb/collapse-debuginfo-external-flag-overriden-by-attr.debugger.script"
--- stdout -------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
[Inferior 1 (process 28473) exited normally]
------------------------------------------
--- stderr -------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-external-flag-overriden-by-attr.gdb/collapse-debuginfo-external-flag-overriden-by-attr.debugger.script:11: Error in sourced command file:
The program is not being run.
------------------------------------------

---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-external-flag-overriden-by-attr.rs stdout end ----
---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-no-attr.rs stdout ----
NOTE: compiletest thinks it is using GDB version 12001000
------gdb stdout------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
two
three
four
[Inferior 1 (process 28478) exited normally]

------gdb stderr------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-no-attr.gdb/collapse-debuginfo-no-attr.debugger.script:11: Error in sourced command file:
The program is not being run.

------------------------------------------

error: gdb failed to execute
status: exit status: 1
command: PYTHONPATH="/checkout/src/etc" "/usr/bin/gdb" "-quiet" "-batch" "-nx" "-command=/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-no-attr.gdb/collapse-debuginfo-no-attr.debugger.script"
--- stdout -------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
two
three
four
[Inferior 1 (process 28478) exited normally]
------------------------------------------
--- stderr -------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-no-attr.gdb/collapse-debuginfo-no-attr.debugger.script:11: Error in sourced command file:
The program is not being run.
------------------------------------------

---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-no-attr.rs stdout end ----
---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-with-attr-flag.rs stdout ----
NOTE: compiletest thinks it is using GDB version 12001000
------gdb stdout------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
two
three
four
[Inferior 1 (process 28567) exited normally]

------gdb stderr------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-with-attr-flag.gdb/collapse-debuginfo-with-attr-flag.debugger.script:11: Error in sourced command file:
The program is not being run.

------------------------------------------

error: gdb failed to execute
status: exit status: 1
command: PYTHONPATH="/checkout/src/etc" "/usr/bin/gdb" "-quiet" "-batch" "-nx" "-command=/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-with-attr-flag.gdb/collapse-debuginfo-with-attr-flag.debugger.script"
--- stdout -------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
two
three
four
[Inferior 1 (process 28567) exited normally]
------------------------------------------
--- stderr -------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-with-attr-flag.gdb/collapse-debuginfo-with-attr-flag.debugger.script:11: Error in sourced command file:
The program is not being run.
------------------------------------------

---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-with-attr-flag.rs stdout end ----
---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-with-attr.rs stdout ----
NOTE: compiletest thinks it is using GDB version 12001000
------gdb stdout------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
two
three
four
[Inferior 1 (process 28570) exited normally]

------gdb stderr------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-with-attr.gdb/collapse-debuginfo-with-attr.debugger.script:11: Error in sourced command file:
The program is not being run.

------------------------------------------

error: gdb failed to execute
status: exit status: 1
command: PYTHONPATH="/checkout/src/etc" "/usr/bin/gdb" "-quiet" "-batch" "-nx" "-command=/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-with-attr.gdb/collapse-debuginfo-with-attr.debugger.script"
--- stdout -------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
two
three
four
[Inferior 1 (process 28570) exited normally]
------------------------------------------
--- stderr -------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-with-attr.gdb/collapse-debuginfo-with-attr.debugger.script:11: Error in sourced command file:
The program is not being run.
------------------------------------------

---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-with-attr.rs stdout end ----
---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-with-yes-flag.rs stdout ----
NOTE: compiletest thinks it is using GDB version 12001000
------gdb stdout------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
two
three
four
[Inferior 1 (process 28573) exited normally]

------gdb stderr------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-with-yes-flag.gdb/collapse-debuginfo-with-yes-flag.debugger.script:11: Error in sourced command file:
The program is not being run.

------------------------------------------

error: gdb failed to execute
status: exit status: 1
command: PYTHONPATH="/checkout/src/etc" "/usr/bin/gdb" "-quiet" "-batch" "-nx" "-command=/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-with-yes-flag.gdb/collapse-debuginfo-with-yes-flag.debugger.script"
--- stdout -------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
one
two
three
four
[Inferior 1 (process 28573) exited normally]
------------------------------------------
--- stderr -------------------------------
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/collapse-debuginfo-with-yes-flag.gdb/collapse-debuginfo-with-yes-flag.debugger.script:11: Error in sourced command file:
The program is not being run.
------------------------------------------

---- [debuginfo-gdb] tests/debuginfo/collapse-debuginfo-with-yes-flag.rs stdout end ----
---- [debuginfo-gdb] tests/debuginfo/issue-12886.rs stdout ----
NOTE: compiletest thinks it is using GDB version 12001000
------gdb stdout------------------------------
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
Make breakpoint pending on future shared library load? (y or [n]) [answered N; input not from terminal]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Inferior 1 (process 28684) exited normally]

------gdb stderr------------------------------
No symbol table is loaded.  Use the "file" command.
No symbol table is loaded.  Use the "file" command.
/checkout/obj/build/x86_64-unknown-linux-gnu/test/debuginfo/issue-12886.gdb/issue-12886.debugger.script:10: Error in sourced command file:
The program is not being run.

------------------------------------------

For more information how to resolve CI failures of this job, visit this link.

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rust-bors bot commented Dec 9, 2025

☀️ Try build successful (CI)
Build commit: 6015163 (6015163e31429ad557055a68e6a6034339e45256, parent: d5525a73009e2c61b09daa69df79064530bd4dcf)

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rust-timer commented Dec 9, 2025

Finished benchmarking commit (6015163): comparison URL.

Overall result: ❌✅ regressions and improvements - please read the text below

Benchmarking this pull request means it may be perf-sensitive – we'll automatically label it not fit for rolling up. You can override this, but we strongly advise not to, due to possible changes in compiler perf.

Next Steps: If you can justify the regressions found in this try perf run, please do so in sufficient writing along with @rustbot label: +perf-regression-triaged. If not, please fix the regressions and do another perf run. If its results are neutral or positive, the label will be automatically removed.

@bors rollup=never
@rustbot label: -S-waiting-on-perf +perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 0.1% [0.1%, 0.1%] 2
Improvements ✅
(primary)		 -8.6% [-37.4%, -0.2%] 66
Improvements ✅
(secondary)		 -4.8% [-18.0%, -0.1%] 88
All ❌✅ (primary) -8.6% [-37.4%, -0.2%] 66

Max RSS (memory usage)

Results (primary -5.9%, secondary -4.0%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 0.9% [0.9%, 0.9%] 1
Improvements ✅
(primary)		 -5.9% [-16.3%, -0.5%] 27
Improvements ✅
(secondary)		 -4.5% [-7.9%, -2.3%] 10
All ❌✅ (primary) -5.9% [-16.3%, -0.5%] 27

Cycles

Results (primary -14.2%, secondary -6.7%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 6.9% [3.2%, 12.0%] 7
Improvements ✅
(primary)		 -14.2% [-37.0%, -2.2%] 41
Improvements ✅
(secondary)		 -8.9% [-20.2%, -2.0%] 43
All ❌✅ (primary) -14.2% [-37.0%, -2.2%] 41

Binary size

Results (primary -31.5%, secondary -28.5%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 - - 0
Improvements ✅
(primary)		 -31.5% [-59.5%, -0.2%] 79
Improvements ✅
(secondary)		 -28.5% [-66.9%, -0.0%] 86
All ❌✅ (primary) -31.5% [-59.5%, -0.2%] 79

Bootstrap: 472.272s -> 471.79s (-0.10%)
Artifact size: 389.04 MiB -> 383.94 MiB (-1.31%)

@rustbot rustbot removed the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Dec 9, 2025
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Kobzol commented Dec 9, 2025

@bors try jobs=dist-x86_64-linux @rust-timer queue backends=llvm,cranelift

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rust-bors bot added a commit that referenced this pull request Dec 9, 2025
@rust-bors
Auto merge of #112049 - Kobzol:pgo-omit-benchmarks, r=<try>
7beeea8 
[do not merge] CI experiments

try-job: dist-x86_64-linux
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@rustbot rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Dec 9, 2025
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☀️ Try build successful (CI)
Build commit: 7beeea8 (7beeea8f080db2ae1313e15831e48691a4b172a7, parent: e2893f7c95e45f74c8bc5dbd033486c5bfaa4deb)

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rust-timer commented Dec 9, 2025

Finished benchmarking commit (7beeea8): comparison URL.

Overall result: ❌✅ regressions and improvements - please read the text below

Benchmarking this pull request means it may be perf-sensitive – we'll automatically label it not fit for rolling up. You can override this, but we strongly advise not to, due to possible changes in compiler perf.

Next Steps: If you can justify the regressions found in this try perf run, please do so in sufficient writing along with @rustbot label: +perf-regression-triaged. If not, please fix the regressions and do another perf run. If its results are neutral or positive, the label will be automatically removed.

@bors rollup=never
@rustbot label: -S-waiting-on-perf +perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 0.2% [0.1%, 0.3%] 2
Improvements ✅
(primary)		 -6.9% [-37.3%, -0.2%] 107
Improvements ✅
(secondary)		 -4.0% [-18.0%, -0.1%] 161
All ❌✅ (primary) -6.9% [-37.3%, -0.2%] 107

Max RSS (memory usage)

Results (primary -3.1%, secondary 0.1%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

mean range count
Regressions ❌
(primary)		 0.7% [0.4%, 1.0%] 13
Regressions ❌
(secondary)		 0.7% [0.4%, 1.8%] 97
Improvements ✅
(primary)		 -4.2% [-17.1%, -0.4%] 43
Improvements ✅
(secondary)		 -2.6% [-7.8%, -0.4%] 25
All ❌✅ (primary) -3.1% [-17.1%, 1.0%] 56

Cycles

Results (primary -3.7%, secondary -2.0%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

mean range count
Regressions ❌
(primary)		 0.8% [0.4%, 1.7%] 56
Regressions ❌
(secondary)		 3.3% [0.4%, 11.8%] 62
Improvements ✅
(primary)		 -5.5% [-37.7%, -0.4%] 145
Improvements ✅
(secondary)		 -3.8% [-20.4%, -0.4%] 187
All ❌✅ (primary) -3.7% [-37.7%, 1.7%] 201

Binary size

Results (primary -25.5%, secondary -26.7%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 - - 0
Improvements ✅
(primary)		 -25.5% [-59.5%, -0.2%] 150
Improvements ✅
(secondary)		 -26.7% [-66.9%, -0.0%] 160
All ❌✅ (primary) -25.5% [-59.5%, -0.2%] 150

Bootstrap: 471.528s -> 468.999s (-0.54%)
Artifact size: 388.98 MiB -> 383.94 MiB (-1.30%)

@rustbot rustbot removed the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Dec 9, 2025
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A-CI Area: Our Github Actions CI A-compiletest Area: The compiletest test runner A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-meta Area: Issues & PRs about the rust-lang/rust repository itself A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)

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