linux/tools/perf/tests, branch master

Merge tag 'perf-tools-for-v7.0-1-2026-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

2026-02-21T18:51:08Z

Pull perf tools updates from Arnaldo Carvalho de Melo: - Introduce 'perf sched stats' tool with record/report/diff workflows using schedstat counters - Add a faster libdw based addr2line implementation and allow selecting it or its alternatives via 'perf config addr2line.style=' - Data-type profiling fixes and improvements including the ability to select fields using 'perf report''s -F/-fields, e.g.: 'perf report --fields overhead,type' - Add 'perf test' regression tests for Data-type profiling with C and Rust workloads - Fix srcline printing with inlines in callchains, make sure this has coverage in 'perf test' - Fix printing of leaf IP in LBR callchains - Fix display of metrics without sufficient permission in 'perf stat' - Print all machines in 'perf kvm report -vvv', not just the host - Switch from SHA-1 to BLAKE2s for build ID generation, remove SHA-1 code - Fix 'perf report's histogram entry collapsing with '-F' option - Use system's cacheline size instead of a hardcoded value in 'perf report' - Allow filtering conversion by time range in 'perf data' - Cover conversion to CTF using 'perf data' in 'perf test' - Address newer glibc const-correctness (-Werror=discarded-qualifiers) issues - Fixes and improvements for ARM's CoreSight support, simplify ARM SPE event config in 'perf mem', update docs for 'perf c2c' including the ARM events it can be used with - Build support for generating metrics from arch specific python script, add extra AMD, Intel, ARM64 metrics using it - Add AMD Zen 6 events and metrics - Add JSON file with OpenHW Risc-V CVA6 hardware counters - Add 'perf kvm' stats live testing - Add more 'perf stat' tests to 'perf test' - Fix segfault in `perf lock contention -b/--use-bpf` - Fix various 'perf test' cases for s390 - Build system cleanups, bump minimum shellcheck version to 0.7.2 - Support building the capstone based annotation routines as a plugin - Allow passing extra Clang flags via EXTRA_BPF_FLAGS * tag 'perf-tools-for-v7.0-1-2026-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (255 commits) perf test script: Add python script testing support perf test script: Add perl script testing support perf script: Allow the generated script to be a path perf test: perf data --to-ctf testing perf test: Test pipe mode with data conversion --to-json perf json: Pipe mode --to-ctf support perf json: Pipe mode --to-json support perf check: Add libbabeltrace to the listed features perf build: Allow passing extra Clang flags via EXTRA_BPF_FLAGS perf test data_type_profiling.sh: Skip just the Rust tests if code_with_type workload is missing tools build: Fix feature test for rust compiler perf libunwind: Fix calls to thread__e_machine() perf stat: Add no-affinity flag perf evlist: Reduce affinity use and move into iterator, fix no affinity perf evlist: Missing TPEBS close in evlist__close() perf evlist: Special map propagation for tool events that read on 1 CPU perf stat-shadow: In prepare_metric fix guard on reading NULL perf_stat_evsel Revert "perf tool_pmu: More accurately set the cpus for tool events" tools build: Emit dependencies file for test-rust.bin tools build: Make test-rust.bin be removed by the 'clean' target ...

perf test script: Add python script testing support

2026-02-12T20:45:23Z

Basic coverage of python script support from `perf script`. Committer testing: $ perf test 'perf script python' 107: perf script python tests : Ok $ perf test -vv 'perf script python' 107: perf script python tests: --- start --- test child forked, pid 595537 Testing event: sched:sched_switch perf script python test [Skipped: failed to record sched:sched_switch] Testing event: task-clock Generating python script... generated Python script: /tmp/__perf_test_script.J4rWj.py Executing python script... perf script python test [Success: task-clock triggered param_dict] ---- end(0) ---- 107: perf script python tests : Ok $ Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Leo Yan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Sandipan Das Cc: Yujie Liu Signed-off-by: Arnaldo Carvalho de Melo

perf test script: Add perl script testing support

2026-02-12T20:45:23Z

Basic coverage of perl script support from `perf script`. This is disabled by default and so the test will most normally skip. Committer testing: $ perf test 'perf script perl' 106: perf script perl tests : Skip $ perf test -vv 'perf script perl' 106: perf script perl tests: --- start --- test child forked, pid 578323 perf script perl test [Skipped: no libperl support] ---- end(-2) ---- 106: perf script perl tests : Skip $ perf check feature libperl libperl: [ OFF ] # HAVE_LIBPERL_SUPPORT ( tip: Deprecated, use LIBPERL=1 and install perl-ExtUtils-Embed/libperl-dev to build with it ) $ Install perl-ExtUtils-Embed, build with LIBPERL=1, rebuild: $ perf check feature libperl libperl: [ on ] # HAVE_LIBPERL_SUPPORT $ perf test 'perf script perl' 106: perf script perl tests : Ok $ perf test -vv 'perf script perl' 106: perf script perl tests: --- start --- test child forked, pid 588206 Testing event: sched:sched_switch perf script perl test [Skipped: failed to record sched:sched_switch] Testing event: task-clock Generating perl script... generated Perl script: /tmp/__perf_test_script.RpMn5.pl Executing perl script... perf script perl test [Success: task-clock triggered $VAR1] ---- end(0) ---- 106: perf script perl tests : Ok $ Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Leo Yan Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Sandipan Das Cc: Yujie Liu Signed-off-by: Arnaldo Carvalho de Melo

perf test: perf data --to-ctf testing

2026-02-12T20:45:22Z

If babeltrace is detected check that --to-ctf functions with a data file and in pipe mode. Committer testing: $ perf test 'perf data convert --to-ctf' 124: 'perf data convert --to-ctf' command test : Ok $ perf test -vv 'perf data convert --to-ctf' 124: 'perf data convert --to-ctf' command test: --- start --- test child forked, pid 556008 libbabeltrace: [ on ] # HAVE_LIBBABELTRACE_SUPPORT Testing Perf Data Conversion Command to CTF (File input) [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.021 MB /tmp/__perf_test.perf.data.9TxzZ (115 samples) ] [ perf data convert: Converted '/tmp/__perf_test.perf.data.9TxzZ' into CTF data '/tmp/__perf_test.ctf.f5EkS' ] [ perf data convert: Converted and wrote 0.012 MB (115 samples) ] Perf Data Converter Command to CTF (File input) [SUCCESS] Testing Perf Data Conversion Command to CTF (Pipe mode) [ perf record: Woken up 2 times to write data ] [ perf record: Captured and wrote 0.047 MB - ] Failed to setup all events. [ perf data convert: Converted '/tmp/__perf_test.perf.data.9TxzZ' into CTF data '/tmp/__perf_test.ctf.f5EkS' ] [ perf data convert: Converted and wrote 0.000 MB (0 samples) ] Perf Data Converter Command to CTF (Pipe mode) [SUCCESS] Unexpected signal in main ---- end(0) ---- 124: 'perf data convert --to-ctf' command test : Ok $ Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Derek Foreman Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Signed-off-by: Arnaldo Carvalho de Melo

perf test: Test pipe mode with data conversion --to-json

2026-02-12T20:45:22Z

Add pipe mode test for json data conversion. Tidy up exit and cleanup code. Committer testing: $ perf test 'perf data convert --to-json' 124: 'perf data convert --to-json' command test : Ok $ perf test -vv 'perf data convert --to-json' 124: 'perf data convert --to-json' command test: --- start --- test child forked, pid 548738 Testing Perf Data Conversion Command to JSON [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.020 MB /tmp/__perf_test.perf.data.krxvl (104 samples) ] [ perf data convert: Converted '/tmp/__perf_test.perf.data.krxvl' into JSON data '/tmp/__perf_test.output.json.0z60p' ] [ perf data convert: Converted and wrote 0.075 MB (104 samples) ] Perf Data Converter Command to JSON [SUCCESS] Validating Perf Data Converted JSON file The file contains valid JSON format [SUCCESS] Testing Perf Data Conversion Command to JSON (Pipe mode) [ perf record: Woken up 2 times to write data ] [ perf record: Captured and wrote 0.046 MB - ] [ perf data convert: Converted '-' into JSON data '/tmp/__perf_test.output.json.0z60p' ] [ perf data convert: Converted and wrote 0.081 MB (110 samples) ] Perf Data Converter Command to JSON (Pipe mode) [SUCCESS] Validating Perf Data Converted JSON file The file contains valid JSON format [SUCCESS] ---- end(0) ---- 124: 'perf data convert --to-json' command test : Ok $ Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Derek Foreman Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Signed-off-by: Arnaldo Carvalho de Melo

perf test data_type_profiling.sh: Skip just the Rust tests if code_with_type workload is missing

2026-02-12T20:45:22Z

Namhyung suggested skipping only the rust tests when the code_with_type 'perf test' workload is not built into perf, do it so that we can continue to test the C based workloads: With rust: root@number:/# perf test -vv "data type" 83: perf data type profiling tests: --- start --- test child forked, pid 2645245 Basic Rust perf annotate test Basic annotate test [Success] Pipe Rust perf annotate test Pipe annotate test [Success] Basic C perf annotate test Basic annotate test [Success] Pipe C perf annotate test Pipe annotate test [Success] ---- end(0) ---- 83: perf data type profiling tests : Ok root@number:/# Without: root@number:/# perf test "data type" 83: perf data type profiling tests : Ok root@number:/# perf test -vv "data type" 83: perf data type profiling tests: --- start --- test child forked, pid 2634759 Basic Rust perf annotate test Skip: code_with_type workload not built in 'perf test' Pipe Rust perf annotate test Skip: code_with_type workload not built in 'perf test' Basic C perf annotate test Basic annotate test [Success] Pipe C perf annotate test Pipe annotate test [Success] ---- end(0) ---- 83: perf data type profiling tests : Ok root@number:/# Suggested-by: Namhyung Kim Cc: Dmitrii Dolgov <9erthalion6@gmail.com> Cc: Miguel Ojeda Signed-off-by: Arnaldo Carvalho de Melo

Merge tag 'kbuild-7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux

2026-02-11T21:40:35Z

Pull Kbuild/Kconfig updates from Nathan Chancellor: "Kbuild: - Drop '*_probe' pattern from modpost section check allowlist, which hid legitimate warnings (Johan Hovold) - Disable -Wtype-limits altogether, instead of enabling at W=2 (Vincent Mailhol) - Improve UAPI testing to skip testing headers that require a libc when CONFIG_CC_CAN_LINK is not set, opening up testing of headers with no libc dependencies to more environments (Thomas Weißschuh) - Update gendwarfksyms documentation with required dependencies (Jihan LIN) - Reject invalid LLVM= values to avoid unintentionally falling back to system toolchain (Thomas Weißschuh) - Add a script to help run the kernel build process in a container for consistent environments and testing (Guillaume Tucker) - Simplify kallsyms by getting rid of the relative base (Ard Biesheuvel) - Performance and usability improvements to scripts/make_fit.py (Simon Glass) - Minor various clean ups and fixes Kconfig: - Move XPM icons to individual files, clearing up GTK deprecation warnings (Rostislav Krasny) - Support depends on FOO if BAR as syntactic sugar for depends on FOO || !BAR (Nicolas Pitre, Graham Roff) - Refactor merge_config.sh to use awk over shell/sed/grep, dramatically speeding up processing large number of config fragments (Anders Roxell, Mikko Rapeli)" * tag 'kbuild-7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux: (39 commits) kbuild: remove dependency of run-command on config scripts/make_fit: Compress dtbs in parallel scripts/make_fit: Support a few more parallel compressors kbuild: Support a FIT_EXTRA_ARGS environment variable scripts/make_fit: Move dtb processing into a function scripts/make_fit: Support an initial ramdisk scripts/make_fit: Speed up operation rust: kconfig: Don't require RUST_IS_AVAILABLE for rustc-option MAINTAINERS: Add scripts/install.sh into Kbuild entry modpost: Amend ppc64 save/restfpr symnames for -Os build MIPS: tools: relocs: Ship a definition of R_MIPS_PC32 streamline_config.pl: remove superfluous exclamation mark kbuild: dummy-tools: Add python3 scripts: kconfig: merge_config.sh: warn on duplicate input files scripts: kconfig: merge_config.sh: use awk in checks too scripts: kconfig: merge_config.sh: refactor from shell/sed/grep to awk kallsyms: Get rid of kallsyms relative base mips: Add support for PC32 relocations in vmlinux Documentation: dev-tools: add container.rst page scripts: add tool to run containerized builds ...

perf test code_with_type.sh: Skip test if rust wasn't available at build time

2026-02-09T18:47:03Z

$ perf test 'perf data type profiling tests' 83: perf data type profiling tests : Skip $ perf test -vv 'perf data type profiling tests' 83: perf data type profiling tests: --- start --- test child forked, pid 977213 Skip: code_with_type workload not built in 'perf test' ---- end(-2) ---- 83: perf data type profiling tests : Skip $ Cc: Dmitrii Dolgov <9erthalion6@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo

perf tests workload: Formatting for code_with_type.rs

2026-02-09T18:36:00Z

One part of the rust code for code_with_type workload wasn't properly formatted. Pass it through rustfmt to fix that. Closes: https://lore.kernel.org/oe-kbuild-all/202602091357.oyRv6hgQ-lkp@intel.com/ Reported-by: kernel test robot Reviewed-by: Ian Rogers Signed-off-by: Dmitrii Dolgov <9erthalion6@gmail.com> Cc: Miguel Ojeda Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo

perf tests: Test annotate with data type profiling and C

2026-02-08T22:16:28Z

Exercise the annotate command with data type profiling feature with C. For that extend the existing data type profiling shell test to profile the datasym workload, then annotate the result expecting to see some data structures from the C code. Committer testing: root@number:~# perf test 'perf data type profiling tests' 83: perf data type profiling tests : Ok root@number:~# perf test -vv 'perf data type profiling tests' 83: perf data type profiling tests: --- start --- test child forked, pid 125028 Basic Rust perf annotate test Basic annotate test [Success] Pipe Rust perf annotate test Pipe annotate test [Success] Basic C perf annotate test Basic annotate test [Success] Pipe C perf annotate test Pipe annotate test [Success] ---- end(0) ---- 83: perf data type profiling tests : Ok root@number:~# Signed-off-by: Dmitrii Dolgov <9erthalion6@gmail.com> Tested-by: Arnaldo Carvalho de Melo Cc: Ian Rogers Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo