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Merge tag 'perf-tools-for-v5.15-2021-09-04' of git://git.kernel.org/p…
…ub/scm/linux/kernel/git/acme/linux
Pull perf tool updates from Arnaldo Carvalho de Melo:
"New features:
- Improvements for the flamegraph python script, including:
- Display perf.data header
- Display PIDs of user stacks
- Added option to change color scheme
- Default to blue/green color scheme to improve accessibility
- Correctly identify kernel stacks when debuginfo is available
- Improvements for 'perf bench futex':
- Add --mlockall parameter
- Add --broadcast and --pi to the 'requeue' sub benchmark
- Add support for PMU aliases.
- Introduce an ARM Coresight ETE decoder.
- Add a 'perf bench' entry for evlist open/close operations, to help
quantify improvements with multithreading 'perf record'.
- Allow reporting the [un]throttle PERF_RECORD_ meta event in 'perf
script's python scripting.
- Add a 'perf test' entry for PMU aliases.
- Add a 'perf test' entry for 'perf record/perf report/perf script'
pipe mode.
Fixes:
- perf script dlfilter (API for filtering via dynamically loaded
shared object introduced in v5.14) fixes and a 'perf test' entry
for it.
- Fix get_current_dir_name() compilation on Android.
- Fix issues with asciidoc and double dashes uses.
- Fix memory leaks in the BTF handling code.
- Fix leftover problems in the Documentation from the infrastructure
originally lifted from the git codebase.
- Fix *probe_vfs_getname.sh 'perf test' failures.
- Handle fd gaps in 'perf test's test__dso_data_reopen().
- Make sure to show disasembly warnings for 'perf annotate --stdio'.
- Fix output from pipe to file and vice-versa in 'perf
record/report/script'.
- Correct 'perf data -h' output.
- Fix wrong comm in system-wide mode with 'perf record --delay'.
- Do not allow --for-each-cgroup without cpu in 'perf stat'
- Make 'perf test --skip' work on shell tests.
- Fix libperf's verbose printing.
Misc improvements:
- Preparatory patches for multithreading various 'perf record' phases
(synthesizing, opening, recording, etc).
- Add sparse context/locking annotations in compiler-types.h, also to
help with the multithreading effort.
- Optimize the generation of the arch specific erno tables used in
'perf trace'.
- Optimize libperf's perf_cpu_map__max().
- Improve ARM's CoreSight warnings.
- Report collisions in AUX records.
- Improve warnings for the LLVM 'perf test' entry.
- Improve the PMU events 'perf test' codebase.
- perf test: Do not compare overheads in the zstd comp test
- Better support annotation on ARM.
- Update 'perf trace's cmd string table to decode sys_bpf() first
arg.
Vendor events:
- Add JSON events and metrics for Intel's Ice Lake, Tiger Lake and
Elhart Lake.
- Update JSON eventsand metrics for Intel's Cascade Lake and Sky Lake
servers.
Hardware tracing:
- Improvements for the ARM hardware tracing auxtrace support"
* tag 'perf-tools-for-v5.15-2021-09-04' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (130 commits)
perf tests: Add test for PMU aliases
perf pmu: Add PMU alias support
perf session: Report collisions in AUX records
perf script python: Allow reporting the [un]throttle PERF_RECORD_ meta event
perf build: Report failure for testing feature libopencsd
perf cs-etm: Show a warning for an unknown magic number
perf cs-etm: Print the decoder name
perf cs-etm: Create ETE decoder
perf cs-etm: Update OpenCSD decoder for ETE
perf cs-etm: Fix typo
perf cs-etm: Save TRCDEVARCH register
perf cs-etm: Refactor out ETMv4 header saving
perf cs-etm: Initialise architecture based on TRCIDR1
perf cs-etm: Refactor initialisation of decoder params.
tools build: Fix feature detect clean for out of source builds
perf evlist: Add evlist__for_each_entry_from() macro
perf evsel: Handle precise_ip fallback in evsel__open_cpu()
perf evsel: Move bpf_counter__install_pe() to success path in evsel__open_cpu()
perf evsel: Move test_attr__open() to success path in evsel__open_cpu()
perf evsel: Move ignore_missing_thread() to fallback code
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| while (<I>) { | ||
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| chomp; | ||
| s/^include::\s*//; | ||
| s/\[\]//; | ||
| $include{$text}{$_} = 1; | ||
| $included{$_} = 1; | ||
| } | ||
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| close I; | ||
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| while (my ($text, $included) = each %include) { | ||
| for my $i (keys %$included) { | ||
| # $text has include::$i; if $i includes $j | ||
| # $text indirectly includes $j. | ||
| if (exists $include{$i}) { | ||
| for my $j (keys %{$include{$i}}) { | ||
| if (!exists $include{$text}{$j}) { | ||
| $include{$text}{$j} = 1; | ||
| $included{$j} = 1; | ||
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| if (! exists $included{$text} && | ||
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| print "$base.html $base.xml : ", join(" ", keys %$included), "\n"; | ||
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| } |
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| #!/usr/bin/perl -w | ||
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| if (s/^\@top (.*)/\@node $1,,,Top/) { | ||
| push @menu, $1; | ||
| } | ||
| s/\(\@pxref\{\[(URLS|REMOTES)\]}\)//; | ||
| s/\@anchor\{[^{}]*\}//g; | ||
| print $tmp $_; | ||
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| close $tmp; | ||
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| @setfilename gitman.info | ||
| @documentencoding UTF-8 | ||
| @dircategory Development | ||
| @direntry | ||
| * Git Man Pages: (gitman). Manual pages for Git revision control system | ||
| @end direntry | ||
| @node Top,,, (dir) | ||
| @top Git Manual Pages | ||
| @documentlanguage en | ||
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| '; | ||
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| print; | ||
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| close $tmp; | ||
| print "\@bye\n"; | ||
| unlink "$output.tmp"; |
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