add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/tools/perf/MANIFEST
..
..
@@ -7,6 +7,9 @@
7
7
 tools/lib/api
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8
 tools/lib/bpf
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 tools/lib/subcmd
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+tools/lib/perf
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+tools/lib/argv_split.c
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+tools/lib/ctype.c
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 tools/lib/hweight.c
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 tools/lib/rbtree.c
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 tools/lib/string.c
..
..
@@ -16,3 +19,5 @@
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 tools/lib/bitmap.c
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 tools/lib/str_error_r.c
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 tools/lib/vsprintf.c
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+tools/lib/zalloc.c
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+scripts/bpf_helpers_doc.py